systena.co.jp website information.
systena.co.jp domain name is registered by .JP top-level domain registry. See the other sites registred in .JP domain zone.
Following name servers are specified for systena.co.jp domain:
- uns02.usen.ad.jp
- ns101.systena.co.jp
- ns001.systena.co.jp
- ns.systena.co.jp
and probably website systena.co.jp is hosted by AMAZON-02 - Amazon.com, Inc., US web hosting company. Check the complete list of other most popular websites hosted by AMAZON-02 - Amazon.com, Inc., US hosting company.
According to Alexa traffic rank the highest website systena.co.jp position was 28682 (in the world). The lowest Alexa rank position was 996423. Now website systena.co.jp ranked in Alexa database as number 465903 (in the world).
Website systena.co.jp Desktop speed measurement score (47/100) is better than the results of 20.85% of other sites shows that the page desktop performance can be improved.
systena.co.jp 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 systena.co.jp (43/100) is better than the results of 22.8% 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 |
|---|---|---|
| Nov-27-2024 | N/A | N/A |
| Nov-26-2024 | 465,903 | -7,165 |
| Nov-25-2024 | 458,738 | 3,776 |
| Nov-24-2024 | 462,514 | 3,223 |
| Nov-23-2024 | 465,737 | -3,162 |
| Nov-22-2024 | 462,575 | 3,666 |
| Nov-21-2024 | 466,241 | -9,532 |
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systena.co.jp 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.
systena.co.jp 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.
systena.co.jp server information
systena.co.jp desktop page speed rank
Last tested: 2019-01-15
Desktop Speed
Bad
47/100
systena.co.jp Desktop Speed Test Quick Summary
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priority - 34 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:
https://c.marsflag.com/lib/fonts/font-awesome/4.6.3/css/font-awesome.css (expiration not specified)
https://c.marsflag.com/lib/js/md5.min.js (expiration not specified)
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https://c.marsflag.com/mf/gui/img/bar/A/navigation-bar-result.png (expiration not specified)
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https://www.systena.co.jp/common/css/all.css (expiration not specified)
https://www.systena.co.jp/common/css/vendor/slick.css (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_blank.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_facebook.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_instagram.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_jpx.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_logo.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_price.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_privacy.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/header_icon_contact.png (expiration not specified)
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https://www.systena.co.jp/common/img/layout/header_logo.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/totop.png (expiration not specified)
https://www.systena.co.jp/common/img/parts/icon_pdf.png (expiration not specified)
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https://www.systena.co.jp/common/js/vendor/libs.js (expiration not specified)
https://www.systena.co.jp/common/js/vendor/slick.min.js (expiration not specified)
https://www.systena.co.jp/css/index.css (expiration not specified)
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https://www.googletagmanager.com/gtag/js?id=UA-6473832-4 (15 minutes)
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https://www.google-analytics.com/analytics.js (2 hours)
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https://www.systena.co.jp/common/img/layout/totop.png (expiration not specified)
https://www.systena.co.jp/common/img/parts/icon_pdf.png (expiration not specified)
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https://www.systena.co.jp/common/js/vendor/libs.js (expiration not specified)
https://www.systena.co.jp/common/js/vendor/slick.min.js (expiration not specified)
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https://www.systena.co.jp/img/top_pickup_arrow_left.png (expiration not specified)
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https://www.systena.co.jp/img/top_pickup_arrow_right.png (expiration not specified)
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https://www.systena.co.jp/img/top_recruit_bnr_pc.png (expiration not specified)
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https://www.systena.co.jp/img/top_service_wave.png (expiration not specified)
https://www.systena.co.jp/img/top_title_bg01-left_pc.png (expiration not specified)
https://www.systena.co.jp/img/top_title_bg01-right_pc.png (expiration not specified)
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https://www.googletagmanager.com/gtag/js?id=UA-6473832-4 (15 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-WDT6N63 (15 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
priority - 31 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 302.8KiB (76% reduction).
Compressing https://www.systena.co.jp/common/css/all.css could save 94.4KiB (85% reduction).
Compressing https://www.systena.co.jp/common/js/vendor/libs.js could save 70.7KiB (65% reduction).
Compressing https://www.systena.co.jp/common/js/vendor/slick.min.js could save 31KiB (75% reduction).
Compressing https://c.marsflag.com/lib/fonts/font-awesome/4.6.3/css/font-awesome.css could save 27.4KiB (79% reduction).
Compressing https://www.systena.co.jp/css/index.css could save 22.7KiB (84% reduction).
Compressing https://www.systena.co.jp/ could save 20.2KiB (79% reduction).
Compressing https://c.marsflag.com/lib/js/md5.min.js could save 19.9KiB (82% reduction).
Compressing https://www.systena.co.jp/common/js/all.min.js could save 6.3KiB (63% reduction).
Compressing https://www.systena.co.jp/js/index.js could save 4.9KiB (71% reduction).
Compressing https://ee.wovn.io/values/translate could save 4KiB (79% reduction).
Compressing https://www.systena.co.jp/common/css/vendor/slick.css could save 1.1KiB (67% reduction).
Compressing https://www.systena.co.jp/common/js/vendor/libs.js could save 70.7KiB (65% reduction).
Compressing https://www.systena.co.jp/common/js/vendor/slick.min.js could save 31KiB (75% reduction).
Compressing https://c.marsflag.com/lib/fonts/font-awesome/4.6.3/css/font-awesome.css could save 27.4KiB (79% reduction).
Compressing https://www.systena.co.jp/css/index.css could save 22.7KiB (84% reduction).
Compressing https://www.systena.co.jp/ could save 20.2KiB (79% reduction).
Compressing https://c.marsflag.com/lib/js/md5.min.js could save 19.9KiB (82% reduction).
Compressing https://www.systena.co.jp/common/js/all.min.js could save 6.3KiB (63% reduction).
Compressing https://www.systena.co.jp/js/index.js could save 4.9KiB (71% reduction).
Compressing https://ee.wovn.io/values/translate could save 4KiB (79% reduction).
Compressing https://www.systena.co.jp/common/css/vendor/slick.css could save 1.1KiB (67% reduction).
priority - 4 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://www.systena.co.jp/common/css/all.css
priority - 3 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 33.2KiB (20% reduction).
Minifying https://www.systena.co.jp/common/css/all.css could save 23.3KiB (22% reduction).
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priority - 1 Minify HTML
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Minify HTML for the following resources to reduce their size by 9.2KiB (37% reduction).
Minifying https://www.systena.co.jp/ could save 9.2KiB (37% reduction).
priority - 0 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 4.2KiB (47% reduction).
Minifying https://www.systena.co.jp/js/index.js could save 3.2KiB (47% reduction).
Minifying https://c.marsflag.com/mf/cs.js could save 1,023B (48% reduction) after compression.
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systena.co.jp Desktop Resources
| Total Resources | 92 |
| Number of Hosts | 15 |
| Static Resources | 75 |
| JavaScript Resources | 24 |
| CSS Resources | 7 |
systena.co.jp Desktop Resource Breakdown
systena.co.jp mobile page speed rank
Last tested: 2019-01-15
Mobile Speed
Bad
43/100
systena.co.jp Mobile Speed Test Quick Summary
priority - 52 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:
https://c.marsflag.com/lib/fonts/font-awesome/4.6.3/css/font-awesome.css (expiration not specified)
https://c.marsflag.com/lib/js/md5.min.js (expiration not specified)
https://c.marsflag.com/mf/cs.js (expiration not specified)
https://c.marsflag.com/mf/gui/css/result-frame.css (expiration not specified)
https://c.marsflag.com/mf/gui/gui.js (expiration not specified)
https://c.marsflag.com/mf/gui/img/bar/A/navigation-bar-result.png (expiration not specified)
https://c.marsflag.com/mf/gui/js/customer/gui-mf.js (expiration not specified)
https://c.marsflag.com/mf/gui/js/lib/jquery2.js (expiration not specified)
https://c.marsflag.com/mf/gui/js/serp.js (expiration not specified)
https://c.marsflag.com/mf/mfx/css/mfx-serp.css (expiration not specified)
https://c.marsflag.com/mf/mfx/js/mfx-sbox.js (expiration not specified)
https://www.systena.co.jp/common/css/all.css (expiration not specified)
https://www.systena.co.jp/common/css/vendor/slick.css (expiration not specified)
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https://www.systena.co.jp/common/img/layout/footer_facebook.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_instagram.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_jpx.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_logo.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_price.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_privacy.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/header_icon_contact.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/header_icon_search.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/header_logo.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/totop.png (expiration not specified)
https://www.systena.co.jp/common/img/parts/icon_pdf.png (expiration not specified)
https://www.systena.co.jp/common/js/all.min.js (expiration not specified)
https://www.systena.co.jp/common/js/vendor/libs.js (expiration not specified)
https://www.systena.co.jp/common/js/vendor/slick.min.js (expiration not specified)
https://www.systena.co.jp/css/index.css (expiration not specified)
https://www.systena.co.jp/img/top_cm_arrow.png (expiration not specified)
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https://www.systena.co.jp/img/top_news_arrow_orange.png (expiration not specified)
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https://www.systena.co.jp/img/top_service_cloud_bg.png (expiration not specified)
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https://www.systena.co.jp/img/top_title_bg01-left_sp.png (expiration not specified)
https://www.systena.co.jp/img/top_title_bg01-right_sp.png (expiration not specified)
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https://www.systena.co.jp/js/index.js (expiration not specified)
https://wap.wovn.io/1.js (10 minutes)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
https://www.googletagmanager.com/gtag/js?id=UA-6473832-4 (15 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-WDT6N63 (15 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://c.marsflag.com/lib/js/md5.min.js (expiration not specified)
https://c.marsflag.com/mf/cs.js (expiration not specified)
https://c.marsflag.com/mf/gui/css/result-frame.css (expiration not specified)
https://c.marsflag.com/mf/gui/gui.js (expiration not specified)
https://c.marsflag.com/mf/gui/img/bar/A/navigation-bar-result.png (expiration not specified)
https://c.marsflag.com/mf/gui/js/customer/gui-mf.js (expiration not specified)
https://c.marsflag.com/mf/gui/js/lib/jquery2.js (expiration not specified)
https://c.marsflag.com/mf/gui/js/serp.js (expiration not specified)
https://c.marsflag.com/mf/mfx/css/mfx-serp.css (expiration not specified)
https://c.marsflag.com/mf/mfx/js/mfx-sbox.js (expiration not specified)
https://www.systena.co.jp/common/css/all.css (expiration not specified)
https://www.systena.co.jp/common/css/vendor/slick.css (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_blank.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_facebook.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_instagram.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_jpx.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_logo.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_price.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/footer_privacy.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/header_icon_contact.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/header_icon_search.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/header_logo.png (expiration not specified)
https://www.systena.co.jp/common/img/layout/totop.png (expiration not specified)
https://www.systena.co.jp/common/img/parts/icon_pdf.png (expiration not specified)
https://www.systena.co.jp/common/js/all.min.js (expiration not specified)
https://www.systena.co.jp/common/js/vendor/libs.js (expiration not specified)
https://www.systena.co.jp/common/js/vendor/slick.min.js (expiration not specified)
https://www.systena.co.jp/css/index.css (expiration not specified)
https://www.systena.co.jp/img/top_cm_arrow.png (expiration not specified)
https://www.systena.co.jp/img/top_cm_bg.png (expiration not specified)
https://www.systena.co.jp/img/top_cm_wave.png (expiration not specified)
https://www.systena.co.jp/img/top_mv_pc.jpg (expiration not specified)
https://www.systena.co.jp/img/top_mv_sp.jpg (expiration not specified)
https://www.systena.co.jp/img/top_news_arrow_orange.png (expiration not specified)
https://www.systena.co.jp/img/top_pickup_arrow_left.png (expiration not specified)
https://www.systena.co.jp/img/top_pickup_arrow_orange.png (expiration not specified)
https://www.systena.co.jp/img/top_pickup_arrow_right.png (expiration not specified)
https://www.systena.co.jp/img/top_pickup_img01.png (expiration not specified)
https://www.systena.co.jp/img/top_pickup_img02.png (expiration not specified)
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https://www.systena.co.jp/img/top_pickup_img06.png (expiration not specified)
https://www.systena.co.jp/img/top_pickup_img07.png (expiration not specified)
https://www.systena.co.jp/img/top_recruit_bnr_pc.png (expiration not specified)
https://www.systena.co.jp/img/top_recruit_bnr_sp.png (expiration not specified)
https://www.systena.co.jp/img/top_service_cloud_bg.png (expiration not specified)
https://www.systena.co.jp/img/top_service_cloud_icon.png (expiration not specified)
https://www.systena.co.jp/img/top_service_develop_bg.png (expiration not specified)
https://www.systena.co.jp/img/top_service_develop_icon.png (expiration not specified)
https://www.systena.co.jp/img/top_service_it_bg.png (expiration not specified)
https://www.systena.co.jp/img/top_service_it_icon.png (expiration not specified)
https://www.systena.co.jp/img/top_service_operation_bg.png (expiration not specified)
https://www.systena.co.jp/img/top_service_operation_icon.png (expiration not specified)
https://www.systena.co.jp/img/top_service_original_bg.png (expiration not specified)
https://www.systena.co.jp/img/top_service_original_icon.png (expiration not specified)
https://www.systena.co.jp/img/top_service_utilization_bg.png (expiration not specified)
https://www.systena.co.jp/img/top_service_utilization_icon.png (expiration not specified)
https://www.systena.co.jp/img/top_service_wave.png (expiration not specified)
https://www.systena.co.jp/img/top_title_bg01-left_sp.png (expiration not specified)
https://www.systena.co.jp/img/top_title_bg01-right_sp.png (expiration not specified)
https://www.systena.co.jp/img/top_title_bg02_sp.png (expiration not specified)
https://www.systena.co.jp/js/index.js (expiration not specified)
https://wap.wovn.io/1.js (10 minutes)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
https://www.googletagmanager.com/gtag/js?id=UA-6473832-4 (15 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-WDT6N63 (15 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
priority - 42 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 413.6KiB (47% reduction).
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Compressing https://www.systena.co.jp/img/top_service_it_bg.png could save 14.1KiB (98% reduction).
Compressing https://www.systena.co.jp/img/top_service_original_bg.png could save 14.1KiB (98% reduction).
Compressing https://www.systena.co.jp/img/top_service_operation_bg.png could save 14.1KiB (98% reduction).
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Compressing https://www.systena.co.jp/img/top_service_cloud_bg.png could save 14.1KiB (98% reduction).
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Compressing https://yt3.ggpht.com/-ZzA8B_ovGag/AAAAAAAAAAI/AAA…rj-c0xffffff/photo.jpg could save 1.4KiB (40% reduction).
Compressing https://www.systena.co.jp/img/top_title_bg02_sp.png could save 945B (88% reduction).
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Compressing https://www.systena.co.jp/common/img/layout/footer_blank.png could save 130B (32% reduction).
Compressing https://www.systena.co.jp/img/top_mv_sp.jpg could save 90.5KiB (45% reduction).
Compressing https://www.systena.co.jp/img/top_service_it_bg.png could save 14.1KiB (98% reduction).
Compressing https://www.systena.co.jp/img/top_service_original_bg.png could save 14.1KiB (98% reduction).
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Compressing https://www.systena.co.jp/img/top_service_cloud_bg.png could save 14.1KiB (98% reduction).
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Compressing https://www.systena.co.jp/img/top_service_cloud_icon.png could save 4KiB (26% reduction).
Compressing https://www.systena.co.jp/img/top_service_original_icon.png could save 3.2KiB (23% reduction).
Compressing https://www.systena.co.jp/img/top_service_it_icon.png could save 3.1KiB (20% reduction).
Compressing https://c.marsflag.com/mf/gui/img/bar/A/navigation-bar-result.png could save 2.9KiB (37% reduction).
Compressing https://www.systena.co.jp/img/top_service_develop_icon.png could save 2.6KiB (20% reduction).
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Compressing https://yt3.ggpht.com/-ZzA8B_ovGag/AAAAAAAAAAI/AAA…rj-c0xffffff/photo.jpg could save 1.4KiB (40% reduction).
Compressing https://www.systena.co.jp/img/top_title_bg02_sp.png could save 945B (88% reduction).
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Compressing https://www.systena.co.jp/img/top_title_bg01-left_sp.png could save 511B (38% reduction).
Compressing https://www.systena.co.jp/common/img/parts/icon_pdf.png could save 346B (42% reduction).
Compressing https://www.systena.co.jp/img/top_title_bg01-right_sp.png could save 323B (27% reduction).
Compressing https://www.systena.co.jp/common/img/layout/footer_facebook.png could save 298B (30% reduction).
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Compressing https://www.systena.co.jp/common/img/layout/footer_blank.png could save 130B (32% reduction).
priority - 31 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 302.8KiB (76% reduction).
Compressing https://www.systena.co.jp/common/css/all.css could save 94.4KiB (85% reduction).
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Compressing https://www.systena.co.jp/common/js/all.min.js could save 6.3KiB (63% reduction).
Compressing https://www.systena.co.jp/js/index.js could save 4.9KiB (71% reduction).
Compressing https://ee.wovn.io/values/translate could save 4KiB (79% reduction).
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Compressing https://www.systena.co.jp/common/js/vendor/slick.min.js could save 31KiB (75% reduction).
Compressing https://c.marsflag.com/lib/fonts/font-awesome/4.6.3/css/font-awesome.css could save 27.4KiB (79% reduction).
Compressing https://www.systena.co.jp/css/index.css could save 22.7KiB (84% reduction).
Compressing https://www.systena.co.jp/ could save 20.2KiB (79% reduction).
Compressing https://c.marsflag.com/lib/js/md5.min.js could save 19.9KiB (82% reduction).
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priority - 16 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://www.systena.co.jp/common/css/all.css
priority - 3 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 33.2KiB (20% reduction).
Minifying https://www.systena.co.jp/common/css/all.css could save 23.3KiB (22% reduction).
Minifying https://www.systena.co.jp/css/index.css could save 4.9KiB (19% reduction).
Minifying https://c.marsflag.com/lib/fonts/font-awesome/4.6.3/css/font-awesome.css could save 4.7KiB (14% reduction).
Minifying https://www.systena.co.jp/common/css/vendor/slick.css could save 385B (23% reduction).
Minifying https://www.systena.co.jp/css/index.css could save 4.9KiB (19% reduction).
Minifying https://c.marsflag.com/lib/fonts/font-awesome/4.6.3/css/font-awesome.css could save 4.7KiB (14% reduction).
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priority - 1 Minify HTML
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Minify HTML for the following resources to reduce their size by 9.2KiB (37% reduction).
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priority - 0 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 4.2KiB (47% reduction).
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systena.co.jp Mobile Resources
| Total Resources | 94 |
| Number of Hosts | 16 |
| Static Resources | 76 |
| JavaScript Resources | 24 |
| CSS Resources | 7 |
systena.co.jp Mobile Resource Breakdown
systena.co.jp mobile page usability
Last tested: 2019-01-15
Mobile Usability
Good
99/100
systena.co.jp 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
<button type="submit" class="mf_finder_searchBox_submit"></button> is close to 1 other tap targets.The tap target
<button type="button" class="slick-prev slick-arrow">Previous</button> is close to 1 other tap targets.The tap target
<a href="/service/syste…carsystem.html">自動運転・車載システム…ハウを活かして課題解決を支援</a> is close to 1 other tap targets.The tap target
<a href="#page-top"></a> is close to 1 other tap targets.The tap target
<div class="wovn-lang-selector">EnglishTranslated by machine</div> is close to 1 other tap targets.systena.co.jp similar domains
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systena.co.jp 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.
systena.co.jp 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.