bbt.ac website information.
bbt.ac domain name is registered by .AC top-level domain registry. See the other sites registred in .AC domain zone.
Following name servers are specified for bbt.ac domain:
- ns3.p15.dynect.net
- ns1.p15.dynect.net
- ns2.p15.dynect.net
- ns4.p15.dynect.net
and probably website bbt.ac is hosted by WIKIMEDIA - Wikimedia Foundation Inc., US web hosting company. Check the complete list of other most popular websites hosted by WIKIMEDIA - Wikimedia Foundation Inc., US hosting company.
According to Alexa traffic rank the highest website bbt.ac position was 28329 (in the world). The lowest Alexa rank position was 994121. Now website bbt.ac ranked in Alexa database as number 737295 (in the world).
Website bbt.ac Desktop speed measurement score (41/100) is better than the results of 15.65% of other sites shows that the page desktop performance can be improved.
bbt.ac Mobile usability score (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.
Mobile speed measurement score of bbt.ac (31/100) is better than the results of 10.59% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
Weekly Rank Report
| Date | Rank | Change |
|---|---|---|
| Sep-29-2024 | N/A | N/A |
| Sep-28-2024 | 737,295 | 15,894 |
| Sep-27-2024 | 753,189 | -4,579 |
| Sep-26-2024 | 748,610 | -9,860 |
| Sep-25-2024 | 738,750 | 1,697 |
| Sep-24-2024 | 740,447 | 12,489 |
| Sep-23-2024 | 752,936 | 4,151 |
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bbt.ac Rank History
Alexa can identify the popularity of a website as well as its competitors. It is important for website owners and bloggers to know their Alexa ranking because it shows how many visitors have viewed their web page. It gives them a clear idea of how popular their website is on the internet and the ranking of their competitors.
bbt.ac whois
WHOIS is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system, but is also used for a wider range of other information.
Domain Name: bbt.ac
Registry Domain ID: 1c0e47291ec746e4a77d7edd57b621e9-DONUTS
Registrar WHOIS Server: whois.101domain.com
Registrar URL: http://101domain.com
Updated Date: 2021-06-08T04:41:50Z
Creation Date: 2009-07-08T13:34:23Z
Registry Expiry Date: 2022-07-08T13:34:23Z
Registrar: 101domain GRS Limited
Registrar IANA ID: 1011
Registrar Abuse Contact Email: abuse@101domain.com
Registrar Abuse Contact Phone: +1.7604448674
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Digital Privacy Corporation
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: CA
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ns-934.awsdns-52.net
Name Server: ns-2017.awsdns-60.co.uk
Name Server: ns-224.awsdns-28.com
Name Server: ns-1412.awsdns-48.org
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2021-11-27T12:02:15Z
bbt.ac server information
bbt.ac desktop page speed rank
Last tested: 2019-08-24
Desktop Speed
Bad
41/100
bbt.ac Desktop Speed Test Quick Summary
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priority - 39 Leverage browser caching
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priority - 37 Enable compression
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Compressing https://bbt.ac/common/js/jquery-1.11.3.min.js could save 61.2KiB (65% reduction).
Compressing https://webpush.satori.cloud/js/webpush.js could save 56.9KiB (64% reduction).
Compressing https://bbt.ac/common/css/common.css could save 45.1KiB (84% reduction).
Compressing https://bbt.ac/common/js/iscroll.js could save 42.5KiB (78% reduction).
Compressing https://bbt.ac/common/css/contents.css could save 35.6KiB (84% reduction).
Compressing https://bbt.ac/ could save 34.8KiB (78% reduction).
Compressing https://bbt.ac/common/css/layout.css could save 21.4KiB (82% reduction).
Compressing https://bbt.ac/common/js/featherlight.js could save 14KiB (67% reduction).
Compressing https://bbt.ac/common/js/jquery.bxslider.min.js could save 13.9KiB (73% reduction).
Compressing https://satori.segs.jp/s.js?c=71d71df2 could save 13.7KiB (78% reduction).
Compressing https://bbt.ac/common/css/home.css could save 6.8KiB (78% reduction).
Compressing https://bbt.ac/common/js/common.js could save 5KiB (69% reduction).
Compressing https://spdmg.i-mobile.co.jp/script/adSiteVisit.js could save 3.5KiB (63% reduction).
Compressing https://spdmg.i-mobile.co.jp/script/dgcore.js could save 2.8KiB (65% reduction).
Compressing https://bbt.ac/common/css/featherlight.css could save 1.9KiB (61% reduction).
Compressing https://spcnv.i-mobile.co.jp/script/adv_inner.js?20120316 could save 1.7KiB (57% reduction).
Compressing https://spdmg.i-mobile.co.jp/script/dg_gateway.js?20120316 could save 1.4KiB (61% reduction).
Compressing https://bbt.ac/common/js/jquery.cookie.js could save 1.1KiB (57% reduction).
Compressing https://rlets.com/static/getItem.html?rl_eid=rctOp…B%22RlocalOptOut%22%5D could save 849B (49% reduction).
Compressing https://bbt.ac/common/js/home.js could save 453B (53% reduction).
Compressing https://spdmg-backend.i-mobile.co.jp/adv.aspx?sid=3244&cq=lp=1 could save 347B (46% reduction).
Compressing https://vms.boldchat.com/aid/347251878530263210/bc…fined&&hasbutton=false could save 165B (33% reduction).
Compressing https://spcnv.i-mobile.co.jp/script/adv.js could save 138B (42% reduction).
Compressing https://webpush.satori.cloud/js/webpush.js could save 56.9KiB (64% reduction).
Compressing https://bbt.ac/common/css/common.css could save 45.1KiB (84% reduction).
Compressing https://bbt.ac/common/js/iscroll.js could save 42.5KiB (78% reduction).
Compressing https://bbt.ac/common/css/contents.css could save 35.6KiB (84% reduction).
Compressing https://bbt.ac/ could save 34.8KiB (78% reduction).
Compressing https://bbt.ac/common/css/layout.css could save 21.4KiB (82% reduction).
Compressing https://bbt.ac/common/js/featherlight.js could save 14KiB (67% reduction).
Compressing https://bbt.ac/common/js/jquery.bxslider.min.js could save 13.9KiB (73% reduction).
Compressing https://satori.segs.jp/s.js?c=71d71df2 could save 13.7KiB (78% reduction).
Compressing https://bbt.ac/common/css/home.css could save 6.8KiB (78% reduction).
Compressing https://bbt.ac/common/js/common.js could save 5KiB (69% reduction).
Compressing https://spdmg.i-mobile.co.jp/script/adSiteVisit.js could save 3.5KiB (63% reduction).
Compressing https://spdmg.i-mobile.co.jp/script/dgcore.js could save 2.8KiB (65% reduction).
Compressing https://bbt.ac/common/css/featherlight.css could save 1.9KiB (61% reduction).
Compressing https://spcnv.i-mobile.co.jp/script/adv_inner.js?20120316 could save 1.7KiB (57% reduction).
Compressing https://spdmg.i-mobile.co.jp/script/dg_gateway.js?20120316 could save 1.4KiB (61% reduction).
Compressing https://bbt.ac/common/js/jquery.cookie.js could save 1.1KiB (57% reduction).
Compressing https://rlets.com/static/getItem.html?rl_eid=rctOp…B%22RlocalOptOut%22%5D could save 849B (49% reduction).
Compressing https://bbt.ac/common/js/home.js could save 453B (53% reduction).
Compressing https://spdmg-backend.i-mobile.co.jp/adv.aspx?sid=3244&cq=lp=1 could save 347B (46% reduction).
Compressing https://vms.boldchat.com/aid/347251878530263210/bc…fined&&hasbutton=false could save 165B (33% reduction).
Compressing https://spcnv.i-mobile.co.jp/script/adv.js could save 138B (42% reduction).
priority - 4 Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 41.5KiB (38% reduction).
Minifying https://bbt.ac/common/js/iscroll.js could save 15.5KiB (29% reduction).
Minifying https://bbt.ac/common/js/featherlight.js could save 11.2KiB (53% reduction).
Minifying https://satori.segs.jp/s.js?c=71d71df2 could save 9.3KiB (52% reduction).
Minifying https://bbt.ac/common/js/common.js could save 2.2KiB (32% reduction).
Minifying https://bbt.ac/common/js/jquery.cookie.js could save 1KiB (53% reduction).
Minifying https://connect.facebook.net/ja_JP/sdk.js could save 673B (39% reduction) after compression.
Minifying https://connect.facebook.net/signals/plugins/inferredEvents.js?v=2.9.4 could save 646B (85% reduction) after compression.
Minifying https://tr.webantenna.info/js/webantenna.js could save 451B (13% reduction) after compression.
Minifying https://rs.adapf.com/sc/20f761681f300520d6482ffa6d1c30c7f6570942.js could save 323B (24% reduction) after compression.
Minifying https://bbt.ac/common/js/home.js could save 209B (25% reduction).
Minifying https://bbt.ac/common/js/featherlight.js could save 11.2KiB (53% reduction).
Minifying https://satori.segs.jp/s.js?c=71d71df2 could save 9.3KiB (52% reduction).
Minifying https://bbt.ac/common/js/common.js could save 2.2KiB (32% reduction).
Minifying https://bbt.ac/common/js/jquery.cookie.js could save 1KiB (53% reduction).
Minifying https://connect.facebook.net/ja_JP/sdk.js could save 673B (39% reduction) after compression.
Minifying https://connect.facebook.net/signals/plugins/inferredEvents.js?v=2.9.4 could save 646B (85% reduction) after compression.
Minifying https://tr.webantenna.info/js/webantenna.js could save 451B (13% reduction) after compression.
Minifying https://rs.adapf.com/sc/20f761681f300520d6482ffa6d1c30c7f6570942.js could save 323B (24% reduction) after compression.
Minifying https://bbt.ac/common/js/home.js could save 209B (25% reduction).
priority - 4 Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 40.8KiB (28% reduction).
Minifying https://bbt.ac/common/css/common.css could save 13.1KiB (25% reduction).
Minifying https://bbt.ac/common/css/contents.css could save 10.8KiB (26% reduction).
Minifying https://bbt.ac/common/css/layout.css could save 8.1KiB (31% reduction).
Minifying https://www.google.com/cse/static/element/e1b7867e793369c8/default+ja.css could save 3.8KiB (40% reduction) after compression.
Minifying https://bbt.ac/common/css/home.css could save 2.8KiB (33% reduction).
Minifying https://bbt.ac/common/css/featherlight.css could save 1.7KiB (56% reduction).
Minifying https://www.google.com/cse/static/style/look/v3/default.css could save 512B (19% reduction) after compression.
Minifying https://bbt.ac/common/css/contents.css could save 10.8KiB (26% reduction).
Minifying https://bbt.ac/common/css/layout.css could save 8.1KiB (31% reduction).
Minifying https://www.google.com/cse/static/element/e1b7867e793369c8/default+ja.css could save 3.8KiB (40% reduction) after compression.
Minifying https://bbt.ac/common/css/home.css could save 2.8KiB (33% reduction).
Minifying https://bbt.ac/common/css/featherlight.css could save 1.7KiB (56% reduction).
Minifying https://www.google.com/cse/static/style/look/v3/default.css could save 512B (19% reduction) after compression.
priority - 2 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Optimize CSS Delivery of the following:
https://bbt.ac/common/css/layout.css
priority - 1 Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 7.5KiB (17% reduction).
Minifying https://bbt.ac/ could save 7KiB (16% reduction).
Minifying https://spdmg-backend.i-mobile.co.jp/adv.aspx?sid=3244&cq=lp=1 could save 155B (21% reduction).
Minifying https://satori.segs.jp/s_inner.html could save 152B (21% reduction) after compression.
Minifying https://satori.segs.jp/s?cu=https%3A%2F%2Fbbt.ac%2…71d71df2&stid=&optout= could save 143B (20% reduction) after compression.
Minifying https://spdmg-backend.i-mobile.co.jp/adv.aspx?sid=3244&cq=lp=1 could save 155B (21% reduction).
Minifying https://satori.segs.jp/s_inner.html could save 152B (21% reduction) after compression.
Minifying https://satori.segs.jp/s?cu=https%3A%2F%2Fbbt.ac%2…71d71df2&stid=&optout= could save 143B (20% reduction) after compression.
bbt.ac Desktop Resources
| Total Resources | 136 |
| Number of Hosts | 34 |
| Static Resources | 89 |
| JavaScript Resources | 42 |
| CSS Resources | 9 |
bbt.ac Desktop Resource Breakdown
bbt.ac mobile page speed rank
Last tested: 2019-02-01
Mobile Speed
Bad
31/100
bbt.ac Mobile Speed Test Quick Summary
priority - 70 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 685.3KiB (62% reduction).
Compressing http://bbt.ac/slide04%20%281%29.jpg could save 253.3KiB (73% reduction).
Compressing http://bbt.ac/slide_facaulty.jpg could save 247.2KiB (69% reduction).
Compressing http://bbt.ac/top_slide00.jpg could save 58.6KiB (47% reduction).
Compressing http://bbt.ac/common/images/footer_tel.png could save 44.7KiB (97% reduction).
Compressing http://bbt.ac/main_visu.jpg could save 40.5KiB (46% reduction).
Compressing http://bbt.ac/common/images/header_logo_sp.png could save 2.7KiB (21% reduction).
Compressing http://bbt.ac/common/images/footer_sns_facebook.png could save 2.3KiB (52% reduction).
Compressing http://bbt.ac/images/topics_pic02.png could save 2.1KiB (15% reduction).
Compressing http://bbt.ac/common/images/footer_sns_mail_sp.png could save 2.1KiB (41% reduction).
Compressing http://bbt.ac/common/images/footer_sns_facebook_sp.png could save 2KiB (49% reduction).
Compressing http://bbt.ac/common/images/footer_sns_mail.png could save 2KiB (47% reduction).
Compressing http://bbt.ac/common/images/footer_logo.png could save 1.8KiB (20% reduction).
Compressing http://bbt.ac/common/images/footer_sns_twitter_sp.png could save 1.8KiB (38% reduction).
Compressing http://bbt.ac/common/images/footer_sns_twitter.png could save 1.8KiB (43% reduction).
Compressing http://bbt.ac/common/images/header_logo.png could save 1.6KiB (17% reduction).
Compressing http://bbt.ac/images/banner06.png could save 1.6KiB (11% reduction).
Compressing http://bbt.ac/images/topics_ttl.png could save 1.4KiB (22% reduction).
Compressing http://bbt.ac/images/news_ttl.png could save 1.2KiB (20% reduction).
Compressing http://bbt.ac/common/images/header_tel.png could save 1.1KiB (46% reduction).
Compressing http://bbt.ac/common/images/icn_sns_hatebu.png could save 1KiB (68% reduction).
Compressing http://bbt.ac/common/images/header_btn02.png could save 1KiB (72% reduction).
Compressing http://bbt.ac/common/images/icn_sns_pocket.png could save 1KiB (73% reduction).
Compressing http://bbt.ac/common/images/icn_sns_twitter.png could save 1KiB (65% reduction).
Compressing http://bbt.ac/common/images/icn_sns_google.png could save 1KiB (64% reduction).
Compressing http://bbt.ac/common/images/header_btn03.png could save 1,018B (79% reduction).
Compressing http://bbt.ac/common/images/header_btn03_sp.png could save 1,009B (72% reduction).
Compressing http://bbt.ac/common/images/header_btn01_sp.png could save 1,001B (77% reduction).
Compressing http://bbt.ac/common/images/icn_sns_facebook.png could save 986B (80% reduction).
Compressing http://bbt.ac/common/images/pagetop.png could save 986B (66% reduction).
Compressing http://bbt.ac/common/images/header_btn01.png could save 978B (84% reduction).
Compressing http://bbt.ac/common/images/slide_prev.png could save 976B (81% reduction).
Compressing http://bbt.ac/common/images/slide_next.png could save 970B (81% reduction).
Compressing http://bbt.ac/common/images/icn_plus01.png could save 946B (89% reduction).
Compressing http://bbt.ac/common/images/header_btn02_sp.png could save 935B (57% reduction).
Compressing https://www.google.com/cse/static/css/v2/clear.png could save 898B (88% reduction).
Compressing http://bbt.ac/slide_facaulty.jpg could save 247.2KiB (69% reduction).
Compressing http://bbt.ac/top_slide00.jpg could save 58.6KiB (47% reduction).
Compressing http://bbt.ac/common/images/footer_tel.png could save 44.7KiB (97% reduction).
Compressing http://bbt.ac/main_visu.jpg could save 40.5KiB (46% reduction).
Compressing http://bbt.ac/common/images/header_logo_sp.png could save 2.7KiB (21% reduction).
Compressing http://bbt.ac/common/images/footer_sns_facebook.png could save 2.3KiB (52% reduction).
Compressing http://bbt.ac/images/topics_pic02.png could save 2.1KiB (15% reduction).
Compressing http://bbt.ac/common/images/footer_sns_mail_sp.png could save 2.1KiB (41% reduction).
Compressing http://bbt.ac/common/images/footer_sns_facebook_sp.png could save 2KiB (49% reduction).
Compressing http://bbt.ac/common/images/footer_sns_mail.png could save 2KiB (47% reduction).
Compressing http://bbt.ac/common/images/footer_logo.png could save 1.8KiB (20% reduction).
Compressing http://bbt.ac/common/images/footer_sns_twitter_sp.png could save 1.8KiB (38% reduction).
Compressing http://bbt.ac/common/images/footer_sns_twitter.png could save 1.8KiB (43% reduction).
Compressing http://bbt.ac/common/images/header_logo.png could save 1.6KiB (17% reduction).
Compressing http://bbt.ac/images/banner06.png could save 1.6KiB (11% reduction).
Compressing http://bbt.ac/images/topics_ttl.png could save 1.4KiB (22% reduction).
Compressing http://bbt.ac/images/news_ttl.png could save 1.2KiB (20% reduction).
Compressing http://bbt.ac/common/images/header_tel.png could save 1.1KiB (46% reduction).
Compressing http://bbt.ac/common/images/icn_sns_hatebu.png could save 1KiB (68% reduction).
Compressing http://bbt.ac/common/images/header_btn02.png could save 1KiB (72% reduction).
Compressing http://bbt.ac/common/images/icn_sns_pocket.png could save 1KiB (73% reduction).
Compressing http://bbt.ac/common/images/icn_sns_twitter.png could save 1KiB (65% reduction).
Compressing http://bbt.ac/common/images/icn_sns_google.png could save 1KiB (64% reduction).
Compressing http://bbt.ac/common/images/header_btn03.png could save 1,018B (79% reduction).
Compressing http://bbt.ac/common/images/header_btn03_sp.png could save 1,009B (72% reduction).
Compressing http://bbt.ac/common/images/header_btn01_sp.png could save 1,001B (77% reduction).
Compressing http://bbt.ac/common/images/icn_sns_facebook.png could save 986B (80% reduction).
Compressing http://bbt.ac/common/images/pagetop.png could save 986B (66% reduction).
Compressing http://bbt.ac/common/images/header_btn01.png could save 978B (84% reduction).
Compressing http://bbt.ac/common/images/slide_prev.png could save 976B (81% reduction).
Compressing http://bbt.ac/common/images/slide_next.png could save 970B (81% reduction).
Compressing http://bbt.ac/common/images/icn_plus01.png could save 946B (89% reduction).
Compressing http://bbt.ac/common/images/header_btn02_sp.png could save 935B (57% reduction).
Compressing https://www.google.com/cse/static/css/v2/clear.png could save 898B (88% reduction).
priority - 64 Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
http://bbt.ac/1901_sp.gif (expiration not specified)
http://bbt.ac/banner03.png (expiration not specified)
http://bbt.ac/banner05.png (expiration not specified)
http://bbt.ac/common/css/common.css (expiration not specified)
http://bbt.ac/common/css/contents.css (expiration not specified)
http://bbt.ac/common/css/featherlight.css (expiration not specified)
http://bbt.ac/common/css/home.css (expiration not specified)
http://bbt.ac/common/css/layout.css (expiration not specified)
http://bbt.ac/common/images/footer_logo.png (expiration not specified)
http://bbt.ac/common/images/footer_sns_facebook.png (expiration not specified)
http://bbt.ac/common/images/footer_sns_facebook_sp.png (expiration not specified)
http://bbt.ac/common/images/footer_sns_mail.png (expiration not specified)
http://bbt.ac/common/images/footer_sns_mail_sp.png (expiration not specified)
http://bbt.ac/common/images/footer_sns_twitter.png (expiration not specified)
http://bbt.ac/common/images/footer_sns_twitter_sp.png (expiration not specified)
http://bbt.ac/common/images/footer_tel.png (expiration not specified)
http://bbt.ac/common/images/gnav01_pic01.png (expiration not specified)
http://bbt.ac/common/images/gnav02_pic01.png (expiration not specified)
http://bbt.ac/common/images/gnav03_pic01.png (expiration not specified)
http://bbt.ac/common/images/gnav04_pic01.png (expiration not specified)
http://bbt.ac/common/images/gnav05_pic01.png (expiration not specified)
http://bbt.ac/common/images/gnav06_pic01.png (expiration not specified)
http://bbt.ac/common/images/header_btn01.png (expiration not specified)
http://bbt.ac/common/images/header_btn01_sp.png (expiration not specified)
http://bbt.ac/common/images/header_btn02.png (expiration not specified)
http://bbt.ac/common/images/header_btn02_sp.png (expiration not specified)
http://bbt.ac/common/images/header_btn03.png (expiration not specified)
http://bbt.ac/common/images/header_btn03_sp.png (expiration not specified)
http://bbt.ac/common/images/header_logo.png (expiration not specified)
http://bbt.ac/common/images/header_logo_sp.png (expiration not specified)
http://bbt.ac/common/images/header_tel.png (expiration not specified)
http://bbt.ac/common/images/icn_plus01.png (expiration not specified)
http://bbt.ac/common/images/icn_sns_facebook.png (expiration not specified)
http://bbt.ac/common/images/icn_sns_google.png (expiration not specified)
http://bbt.ac/common/images/icn_sns_hatebu.png (expiration not specified)
http://bbt.ac/common/images/icn_sns_pocket.png (expiration not specified)
http://bbt.ac/common/images/icn_sns_twitter.png (expiration not specified)
http://bbt.ac/common/images/pagetop.png (expiration not specified)
http://bbt.ac/common/images/slide_next.png (expiration not specified)
http://bbt.ac/common/images/slide_prev.png (expiration not specified)
http://bbt.ac/common/js/common.js (expiration not specified)
http://bbt.ac/common/js/featherlight.js (expiration not specified)
http://bbt.ac/common/js/home.js (expiration not specified)
http://bbt.ac/common/js/iscroll.js (expiration not specified)
http://bbt.ac/common/js/jquery-1.11.3.min.js (expiration not specified)
http://bbt.ac/common/js/jquery.bxslider.min.js (expiration not specified)
http://bbt.ac/common/js/jquery.cookie.js (expiration not specified)
http://bbt.ac/images/banner01.png (expiration not specified)
http://bbt.ac/images/banner06.png (expiration not specified)
http://bbt.ac/images/news_ttl.png (expiration not specified)
http://bbt.ac/images/topics_pic01.png (expiration not specified)
http://bbt.ac/images/topics_pic02.png (expiration not specified)
http://bbt.ac/images/topics_pic03.png (expiration not specified)
http://bbt.ac/images/topics_pic04.png (expiration not specified)
http://bbt.ac/images/topics_pic05.png (expiration not specified)
http://bbt.ac/images/topics_ttl.png (expiration not specified)
http://bbt.ac/main_visu.jpg (expiration not specified)
http://bbt.ac/slide04%20%281%29.jpg (expiration not specified)
http://bbt.ac/slide_facaulty.jpg (expiration not specified)
http://bbt.ac/top_slide00.jpg (expiration not specified)
http://bbt.ac/top_slide_201711_02.png (expiration not specified)
http://images.boldchat.com/images/clear.gif (expiration not specified)
http://rs.adapf.com/sc/20f761681f300520d6482ffa6d1c30c7f6570942 (expiration not specified)
http://rtsys.rtrk.jp/rct_lct/js/rlrct1.js (expiration not specified)
http://spdmg.i-mobile.co.jp/script/adSiteVisit.js (expiration not specified)
http://spdmg.i-mobile.co.jp/script/dgcore.js (expiration not specified)
https://b92.yahoo.co.jp/js/s_retargeting.js (expiration not specified)
https://c.k3r.jp/ (expiration not specified)
https://rs.adapf.com/sc/20f761681f300520d6482ffa6d1c30c7f6570942.js (expiration not specified)
https://spcnv.i-mobile.co.jp/script/adv.js (expiration not specified)
http://satori.segs.jp/s.js?c=71d71df2 (5 minutes)
http://www.googletagmanager.com/gtm.js?id=GTM-PFTMZM (15 minutes)
http://connect.facebook.net/ja_JP/sdk.js (20 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/254493…8077?v=2.8.37&r=stable (20 minutes)
https://connect.facebook.net/signals/plugins/identity.js?v=2.8.37 (20 minutes)
http://cse.google.com/adsense/search/async-ads.js (60 minutes)
http://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://api.kaiu-marketing.com/assets/javascripts/…ancybox-transitions.js (60 minutes)
https://api.kaiu-marketing.com/assets/javascripts/…box/jquery.fancybox.js (60 minutes)
https://api.kaiu-marketing.com/assets/javascripts/…ry-3.2.1/jquery.min.js (60 minutes)
https://api.kaiu-marketing.com/assets/stylesheets/…ox/jquery.fancybox.css (60 minutes)
https://api.kaiu-marketing.com/assets/stylesheets/modal.css (60 minutes)
http://code.usergram.info/js/usergram.js (2 hours)
http://www.google-analytics.com/analytics.js (2 hours)
https://tr.webantenna.info/js/webantenna.js (2 hours)
http://bbt.ac/banner03.png (expiration not specified)
http://bbt.ac/banner05.png (expiration not specified)
http://bbt.ac/common/css/common.css (expiration not specified)
http://bbt.ac/common/css/contents.css (expiration not specified)
http://bbt.ac/common/css/featherlight.css (expiration not specified)
http://bbt.ac/common/css/home.css (expiration not specified)
http://bbt.ac/common/css/layout.css (expiration not specified)
http://bbt.ac/common/images/footer_logo.png (expiration not specified)
http://bbt.ac/common/images/footer_sns_facebook.png (expiration not specified)
http://bbt.ac/common/images/footer_sns_facebook_sp.png (expiration not specified)
http://bbt.ac/common/images/footer_sns_mail.png (expiration not specified)
http://bbt.ac/common/images/footer_sns_mail_sp.png (expiration not specified)
http://bbt.ac/common/images/footer_sns_twitter.png (expiration not specified)
http://bbt.ac/common/images/footer_sns_twitter_sp.png (expiration not specified)
http://bbt.ac/common/images/footer_tel.png (expiration not specified)
http://bbt.ac/common/images/gnav01_pic01.png (expiration not specified)
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http://bbt.ac/common/images/gnav06_pic01.png (expiration not specified)
http://bbt.ac/common/images/header_btn01.png (expiration not specified)
http://bbt.ac/common/images/header_btn01_sp.png (expiration not specified)
http://bbt.ac/common/images/header_btn02.png (expiration not specified)
http://bbt.ac/common/images/header_btn02_sp.png (expiration not specified)
http://bbt.ac/common/images/header_btn03.png (expiration not specified)
http://bbt.ac/common/images/header_btn03_sp.png (expiration not specified)
http://bbt.ac/common/images/header_logo.png (expiration not specified)
http://bbt.ac/common/images/header_logo_sp.png (expiration not specified)
http://bbt.ac/common/images/header_tel.png (expiration not specified)
http://bbt.ac/common/images/icn_plus01.png (expiration not specified)
http://bbt.ac/common/images/icn_sns_facebook.png (expiration not specified)
http://bbt.ac/common/images/icn_sns_google.png (expiration not specified)
http://bbt.ac/common/images/icn_sns_hatebu.png (expiration not specified)
http://bbt.ac/common/images/icn_sns_pocket.png (expiration not specified)
http://bbt.ac/common/images/icn_sns_twitter.png (expiration not specified)
http://bbt.ac/common/images/pagetop.png (expiration not specified)
http://bbt.ac/common/images/slide_next.png (expiration not specified)
http://bbt.ac/common/images/slide_prev.png (expiration not specified)
http://bbt.ac/common/js/common.js (expiration not specified)
http://bbt.ac/common/js/featherlight.js (expiration not specified)
http://bbt.ac/common/js/home.js (expiration not specified)
http://bbt.ac/common/js/iscroll.js (expiration not specified)
http://bbt.ac/common/js/jquery-1.11.3.min.js (expiration not specified)
http://bbt.ac/common/js/jquery.bxslider.min.js (expiration not specified)
http://bbt.ac/common/js/jquery.cookie.js (expiration not specified)
http://bbt.ac/images/banner01.png (expiration not specified)
http://bbt.ac/images/banner06.png (expiration not specified)
http://bbt.ac/images/news_ttl.png (expiration not specified)
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http://bbt.ac/main_visu.jpg (expiration not specified)
http://bbt.ac/slide04%20%281%29.jpg (expiration not specified)
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http://bbt.ac/top_slide00.jpg (expiration not specified)
http://bbt.ac/top_slide_201711_02.png (expiration not specified)
http://images.boldchat.com/images/clear.gif (expiration not specified)
http://rs.adapf.com/sc/20f761681f300520d6482ffa6d1c30c7f6570942 (expiration not specified)
http://rtsys.rtrk.jp/rct_lct/js/rlrct1.js (expiration not specified)
http://spdmg.i-mobile.co.jp/script/adSiteVisit.js (expiration not specified)
http://spdmg.i-mobile.co.jp/script/dgcore.js (expiration not specified)
https://b92.yahoo.co.jp/js/s_retargeting.js (expiration not specified)
https://c.k3r.jp/ (expiration not specified)
https://rs.adapf.com/sc/20f761681f300520d6482ffa6d1c30c7f6570942.js (expiration not specified)
https://spcnv.i-mobile.co.jp/script/adv.js (expiration not specified)
http://satori.segs.jp/s.js?c=71d71df2 (5 minutes)
http://www.googletagmanager.com/gtm.js?id=GTM-PFTMZM (15 minutes)
http://connect.facebook.net/ja_JP/sdk.js (20 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/254493…8077?v=2.8.37&r=stable (20 minutes)
https://connect.facebook.net/signals/plugins/identity.js?v=2.8.37 (20 minutes)
http://cse.google.com/adsense/search/async-ads.js (60 minutes)
http://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://api.kaiu-marketing.com/assets/javascripts/…ancybox-transitions.js (60 minutes)
https://api.kaiu-marketing.com/assets/javascripts/…box/jquery.fancybox.js (60 minutes)
https://api.kaiu-marketing.com/assets/javascripts/…ry-3.2.1/jquery.min.js (60 minutes)
https://api.kaiu-marketing.com/assets/stylesheets/…ox/jquery.fancybox.css (60 minutes)
https://api.kaiu-marketing.com/assets/stylesheets/modal.css (60 minutes)
http://code.usergram.info/js/usergram.js (2 hours)
http://www.google-analytics.com/analytics.js (2 hours)
https://tr.webantenna.info/js/webantenna.js (2 hours)
priority - 40 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 7 blocking script resources and 7 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Remove render-blocking JavaScript:
http://bbt.ac/common/js/jquery-1.11.3.min.js
http://bbt.ac/common/js/iscroll.js
http://bbt.ac/common/js/featherlight.js
http://bbt.ac/common/js/common.js
http://bbt.ac/common/js/jquery.bxslider.min.js
http://bbt.ac/common/js/home.js
http://bbt.ac/common/js/jquery.cookie.js
http://bbt.ac/common/js/iscroll.js
http://bbt.ac/common/js/featherlight.js
http://bbt.ac/common/js/common.js
http://bbt.ac/common/js/jquery.bxslider.min.js
http://bbt.ac/common/js/home.js
http://bbt.ac/common/js/jquery.cookie.js
Optimize CSS Delivery of the following:
http://bbt.ac/common/css/layout.css
http://bbt.ac/common/css/common.css
https://fonts.googleapis.com/css?family=Open+Sans:300,600
https://fonts.googleapis.com/css?family=Roboto+Slab:700
http://bbt.ac/common/css/contents.css
http://bbt.ac/common/css/featherlight.css
http://bbt.ac/common/css/home.css
http://bbt.ac/common/css/common.css
https://fonts.googleapis.com/css?family=Open+Sans:300,600
https://fonts.googleapis.com/css?family=Roboto+Slab:700
http://bbt.ac/common/css/contents.css
http://bbt.ac/common/css/featherlight.css
http://bbt.ac/common/css/home.css
priority - 33 Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 321.3KiB (74% reduction).
Compressing http://bbt.ac/common/js/jquery-1.11.3.min.js could save 61.2KiB (65% reduction).
Compressing http://bbt.ac/common/css/common.css could save 45.1KiB (84% reduction).
Compressing http://bbt.ac/common/js/iscroll.js could save 42.5KiB (78% reduction).
Compressing http://bbt.ac/common/css/contents.css could save 35.6KiB (84% reduction).
Compressing http://bbt.ac/ could save 35.1KiB (78% reduction).
Compressing http://bbt.ac/common/css/layout.css could save 21.4KiB (82% reduction).
Compressing http://bbt.ac/common/js/featherlight.js could save 14KiB (67% reduction).
Compressing http://bbt.ac/common/js/jquery.bxslider.min.js could save 13.9KiB (73% reduction).
Compressing http://satori.segs.jp/s.js?c=71d71df2 could save 13.5KiB (78% reduction).
Compressing http://rtsys.rtrk.jp/rct_lct/js/rlrct1.js could save 9.1KiB (71% reduction).
Compressing http://bbt.ac/common/css/home.css could save 6.8KiB (78% reduction).
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Compressing https://c.k3r.jp/ could save 4.9KiB (57% reduction).
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Compressing http://bbt.ac/common/css/featherlight.css could save 1.9KiB (61% reduction).
Compressing http://spcnv.i-mobile.co.jp/script/adv_inner.js?20120316 could save 1.7KiB (57% reduction).
Compressing http://spdmg.i-mobile.co.jp/script/dg_gateway.js?20120316 could save 1.4KiB (61% reduction).
Compressing http://bbt.ac/common/js/jquery.cookie.js could save 1.1KiB (57% reduction).
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Compressing https://spcnv.i-mobile.co.jp/script/adv.js could save 138B (42% reduction).
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Compressing http://bbt.ac/common/css/common.css could save 45.1KiB (84% reduction).
Compressing http://bbt.ac/common/js/iscroll.js could save 42.5KiB (78% reduction).
Compressing http://bbt.ac/common/css/contents.css could save 35.6KiB (84% reduction).
Compressing http://bbt.ac/ could save 35.1KiB (78% reduction).
Compressing http://bbt.ac/common/css/layout.css could save 21.4KiB (82% reduction).
Compressing http://bbt.ac/common/js/featherlight.js could save 14KiB (67% reduction).
Compressing http://bbt.ac/common/js/jquery.bxslider.min.js could save 13.9KiB (73% reduction).
Compressing http://satori.segs.jp/s.js?c=71d71df2 could save 13.5KiB (78% reduction).
Compressing http://rtsys.rtrk.jp/rct_lct/js/rlrct1.js could save 9.1KiB (71% reduction).
Compressing http://bbt.ac/common/css/home.css could save 6.8KiB (78% reduction).
Compressing http://bbt.ac/common/js/common.js could save 5KiB (69% reduction).
Compressing https://c.k3r.jp/ could save 4.9KiB (57% reduction).
Compressing http://spdmg.i-mobile.co.jp/script/adSiteVisit.js could save 3.5KiB (63% reduction).
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Compressing https://spcnv.i-mobile.co.jp/script/adv.js could save 138B (42% reduction).
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priority - 16 Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
Only about 67% of the final above-the-fold content could be rendered with the full HTML response.
Click to see the screenshot with only the HTML response:
priority - 4 Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 40.8KiB (28% reduction).
Minifying http://bbt.ac/common/css/common.css could save 13.1KiB (25% reduction).
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priority - 4 Minify JavaScript
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Minify JavaScript for the following resources to reduce their size by 40.2KiB (38% reduction).
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Minifying http://bbt.ac/common/js/home.js could save 209B (25% reduction).
priority - 1 Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 7.3KiB (16% reduction).
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Minifying http://satori.segs.jp/s?cu=http%3A%2F%2Fbbt.ac%2F&…71d71df2&stid=&optout= could save 143B (20% reduction) after compression.
bbt.ac Mobile Resources
| Total Resources | 150 |
| Number of Hosts | 37 |
| Static Resources | 95 |
| JavaScript Resources | 50 |
| CSS Resources | 11 |
bbt.ac Mobile Resource Breakdown
bbt.ac mobile page usability
Last tested: 2019-02-01
Mobile Usability
Good
99/100
bbt.ac Mobile Usability Test Quick Summary
priority - 0 Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target
<a href="#">pagetop</a> is close to 1 other tap targets.bbt.ac similar domains
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bbt.ac Ping
Ping is a networking utility tool to test if a particular host is reachable. It is a diagnostic that checks reachability of a host on an Internet Protocol (IP) network. In a computer network, a ping test is a way of sending messages from one host to another. Aside from checking if the host is connected to a network, ping also gives indicators of the reliability and general speed of the connection.
bbt.ac TRACEROUTE
Traceroute is a network diagnostic tool used to track the pathway taken by a packet on an IP network from source to destination. Traceroute also records the time taken for each hop the packet makes during its route to the destination. Traceroute uses ICMP (Internet Control Message Protocol) echo packets with variable time to live values. The response time of each hop is calculated. To guarantee accuracy, each hop is queried multiple times (usually three times) to better measure the response of that particular hop.