vff.org.vn website information.
vff.org.vn domain name is registered by .VN top-level domain registry. See the other sites registred in .VN domain zone.
Following name servers are specified for vff.org.vn domain:
- ns-a5.cloudnetvn.com
- ns-a3.cloudnetvn.com
- ns-a1.cloudnetvn.com
and probably website vff.org.vn 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 vff.org.vn position was 27013 (in the world). The lowest Alexa rank position was 999179. Now website vff.org.vn ranked in Alexa database as number 375781 (in the world).
Website vff.org.vn Desktop speed measurement score (0/100) shows that the page desktop performance can be improved.
vff.org.vn Mobile usability score (96/100) is better than the results of 46.59% of other sites and means that the page is mobile-friendly.
Mobile speed measurement score of vff.org.vn (24/100) is better than the results of 6.28% 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-16-2024 | 375,781 | -1,470 |
| Nov-15-2024 | 374,311 | 4,890 |
| Nov-14-2024 | 379,201 | -773 |
| Nov-13-2024 | 378,428 | 0 |
| Nov-12-2024 | 378,428 | 0 |
| Nov-11-2024 | 378,428 | 0 |
| Nov-10-2024 | 378,428 | 7,015 |
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vff.org.vn 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.
vff.org.vn 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.
vff.org.vn domain is not supported
vff.org.vn server information
vff.org.vn desktop page speed rank
Last tested: 2019-10-31
Desktop Speed
Bad
0/100
vff.org.vn Desktop Speed Test Quick Summary
priority - 3765 Optimize images
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Compressing https://vff.org.vn/uploads/news/1420599269image0701151420598054.jpg could save 8.8KiB (22% reduction).
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Compressing https://vff.org.vn/upload/download/1530522097LOGO.…-126-x-37-pixel-01.jpg could save 4.3KiB (72% reduction).
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Compressing https://vff.org.vn/themes/default/images/list-bg.png could save 2.8KiB (85% reduction).
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Compressing https://vff.org.vn/themes/default/css/tango/arrow-r.png could save 2.7KiB (83% reduction).
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Compressing https://vff.org.vn/themes/default/images/icon-photo.png could save 2.7KiB (94% reduction).
Compressing https://vff.org.vn/themes/default/space.png could save 2.7KiB (97% reduction).
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Compressing https://vff.org.vn/en.jpg could save 461B (47% reduction).
Compressing https://vff.org.vn/themes/default/images/next.png could save 241B (19% reduction).
Compressing https://vff.org.vn/themes/default/images/prev.png could save 226B (18% reduction).
priority - 71 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 689.1KiB (79% reduction).
Compressing https://vff.org.vn/ could save 298.6KiB (92% reduction).
Compressing https://vff.org.vn/themes/default/js/jquery-ui-1.9.0.custom.min.js could save 169.3KiB (73% reduction).
Compressing https://vff.org.vn/themes/default/js/jquery-1.9.0.min.js could save 58.7KiB (64% reduction).
Compressing https://vff.org.vn/themes/default/js/owl.carousel.js could save 28.2KiB (78% reduction).
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Compressing https://vff.org.vn/themes/default/style.css could save 23.2KiB (79% reduction).
Compressing https://vff.org.vn/themes/default/js/jscuonheader.js could save 9.6KiB (68% reduction).
Compressing https://vff.org.vn/themes/default/js/jquery.flexslider-min.js could save 5.5KiB (71% reduction).
Compressing https://vff.org.vn/themes/default/css/owl.carousel.css could save 4.7KiB (81% reduction).
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Compressing https://vff.org.vn/themes/default/js/jquery.countdown.js could save 1.5KiB (60% reduction).
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Compressing https://vff.org.vn/themes/default/js/jquery-ui-tabs-rotate.js could save 1.1KiB (61% reduction).
Compressing https://vff.org.vn/themes/default/css/owl.theme.css could save 824B (57% reduction).
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Compressing https://vff.org.vn/themes/default/js/jquery-1.9.0.min.js could save 58.7KiB (64% reduction).
Compressing https://vff.org.vn/themes/default/js/owl.carousel.js could save 28.2KiB (78% reduction).
Compressing https://vff.org.vn/themes/default/js/jquery.jcarousel.js could save 28.1KiB (79% reduction).
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Compressing https://vff.org.vn/upload/tuyendung/ could save 1.8KiB (75% reduction).
Compressing https://vff.org.vn/themes/default/js/jquery.countdown.js could save 1.5KiB (60% reduction).
Compressing https://vff.org.vn/themes/default/js/function.js could save 1.4KiB (64% reduction).
Compressing https://vff.org.vn/themes/default/css/tango/skin.css could save 1.3KiB (73% reduction).
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priority - 21 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 206.8KiB (63% reduction).
Minifying https://vff.org.vn/ could save 206.8KiB (63% reduction).
priority - 14 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 11 blocking script resources and 9 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:
https://vff.org.vn/themes/default/js/jquery-1.9.0.min.js
https://vff.org.vn/themes/default/js/function.js
https://vff.org.vn/themes/default/js/jquery.jcarousel.js
https://vff.org.vn/themes/default/js/owl.carousel.js
https://vff.org.vn/themes/default/js/jquery.scrollbox.js
https://vff.org.vn/themes/default/js/modernizr.custom.28468.js
https://vff.org.vn/themes/default/js/jscuonheader.js
https://vff.org.vn/themes/default/js/jquery-ui-1.9.0.custom.min.js
https://vff.org.vn/themes/default/js/jquery-ui-tabs-rotate.js
https://vff.org.vn/themes/default/js/jquery.ad-gallery.js
https://vff.org.vn/themes/default/js/ddsmoothmenu.js
https://vff.org.vn/themes/default/js/function.js
https://vff.org.vn/themes/default/js/jquery.jcarousel.js
https://vff.org.vn/themes/default/js/owl.carousel.js
https://vff.org.vn/themes/default/js/jquery.scrollbox.js
https://vff.org.vn/themes/default/js/modernizr.custom.28468.js
https://vff.org.vn/themes/default/js/jscuonheader.js
https://vff.org.vn/themes/default/js/jquery-ui-1.9.0.custom.min.js
https://vff.org.vn/themes/default/js/jquery-ui-tabs-rotate.js
https://vff.org.vn/themes/default/js/jquery.ad-gallery.js
https://vff.org.vn/themes/default/js/ddsmoothmenu.js
Optimize CSS Delivery of the following:
https://vff.org.vn/themes/default/style.css
https://vff.org.vn/themes/default/css/tango/skin.css
https://vff.org.vn/themes/default/css/tango/skin1.css
https://vff.org.vn/themes/default/css/owl.carousel.css
https://vff.org.vn/themes/default/css/owl.theme.css
https://vff.org.vn/themes/default/css/nojs.css
https://vff.org.vn/themes/default/css/slide.css
https://vff.org.vn/themes/default/css/jquery.ad-gallery.css
https://vff.org.vn/themes/default/js/ddsmoothmenu.css
https://vff.org.vn/themes/default/css/tango/skin.css
https://vff.org.vn/themes/default/css/tango/skin1.css
https://vff.org.vn/themes/default/css/owl.carousel.css
https://vff.org.vn/themes/default/css/owl.theme.css
https://vff.org.vn/themes/default/css/nojs.css
https://vff.org.vn/themes/default/css/slide.css
https://vff.org.vn/themes/default/css/jquery.ad-gallery.css
https://vff.org.vn/themes/default/js/ddsmoothmenu.css
priority - 10 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://stc-laban.zdn.vn/v5/images/weather/40_2.3.png (expiration not specified)
https://img.youtube.com/vi/FAhgL_8PEjs/0.jpg (5 minutes)
https://img.youtube.com/vi/cMmtD2eVR48/0.jpg (5 minutes)
https://img.youtube.com/vi/iBl5pk88zDM/0.jpg (5 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/158200…17415?v=2.9.5&r=stable (20 minutes)
https://connect.facebook.net/vi_VN/sdk.js (20 minutes)
https://apis.google.com/js/platform.js (30 minutes)
https://img.fifa.com/images/flags/4/vie.png (60 minutes)
https://img.youtube.com/vi/EqKb4T60dMc/0.jpg (2 hours)
https://img.youtube.com/vi/JxWvdgfuagg/0.jpg (2 hours)
https://img.youtube.com/vi/gF2V5T5s4YU/0.jpg (2 hours)
https://img.youtube.com/vi/ikVB6wA4MNc/0.jpg (2 hours)
https://img.youtube.com/vi/qnWsg_ZGhQU/0.jpg (2 hours)
https://img.youtube.com/vi/sNKS9IPzvdk/0.jpg (2 hours)
https://img.youtube.com/vi/xF5TSgsmub4/0.jpg (2 hours)
https://www.google-analytics.com/analytics.js (2 hours)
http://thienduongweb.com/tool/weather/img/bg_thoitiet.gif (4 hours)
http://thienduongweb.com/tool/weather/img/circle-chart.png (4 hours)
http://thienduongweb.com/tool/weather/img/cloud.png (4 hours)
http://thienduongweb.com/tool/weather/img/money.png (4 hours)
http://thienduongweb.com/tool/weather/script.js (4 hours)
http://thienduongweb.com/tool/weather/style.css (4 hours)
https://img.youtube.com/vi/FAhgL_8PEjs/0.jpg (5 minutes)
https://img.youtube.com/vi/cMmtD2eVR48/0.jpg (5 minutes)
https://img.youtube.com/vi/iBl5pk88zDM/0.jpg (5 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/158200…17415?v=2.9.5&r=stable (20 minutes)
https://connect.facebook.net/vi_VN/sdk.js (20 minutes)
https://apis.google.com/js/platform.js (30 minutes)
https://img.fifa.com/images/flags/4/vie.png (60 minutes)
https://img.youtube.com/vi/EqKb4T60dMc/0.jpg (2 hours)
https://img.youtube.com/vi/JxWvdgfuagg/0.jpg (2 hours)
https://img.youtube.com/vi/gF2V5T5s4YU/0.jpg (2 hours)
https://img.youtube.com/vi/ikVB6wA4MNc/0.jpg (2 hours)
https://img.youtube.com/vi/qnWsg_ZGhQU/0.jpg (2 hours)
https://img.youtube.com/vi/sNKS9IPzvdk/0.jpg (2 hours)
https://img.youtube.com/vi/xF5TSgsmub4/0.jpg (2 hours)
https://www.google-analytics.com/analytics.js (2 hours)
http://thienduongweb.com/tool/weather/img/bg_thoitiet.gif (4 hours)
http://thienduongweb.com/tool/weather/img/circle-chart.png (4 hours)
http://thienduongweb.com/tool/weather/img/cloud.png (4 hours)
http://thienduongweb.com/tool/weather/img/money.png (4 hours)
http://thienduongweb.com/tool/weather/script.js (4 hours)
http://thienduongweb.com/tool/weather/style.css (4 hours)
priority - 9 Reduce server response time
In our test, your server responded in 1.1 seconds.
There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.
priority - 6 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 56.6KiB (41% reduction).
Minifying https://vff.org.vn/themes/default/js/jquery.jcarousel.js could save 18.4KiB (52% reduction).
Minifying https://vff.org.vn/themes/default/js/jquery.ad-gallery.js could save 11.6KiB (35% reduction).
Minifying https://vff.org.vn/themes/default/js/jscuonheader.js could save 11.1KiB (80% reduction).
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Minifying https://vff.org.vn/themes/default/js/jquery.ad-gallery.js could save 11.6KiB (35% reduction).
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Minifying https://vff.org.vn/themes/default/js/jquery.countdown.js could save 780B (31% reduction).
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Minifying https://connect.facebook.net/vi_VN/sdk.js could save 672B (39% reduction) after compression.
priority - 1 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 5.4KiB (23% reduction).
Minifying https://vff.org.vn/themes/default/css/jquery.ad-gallery.css could save 1.3KiB (30% reduction).
Minifying https://vff.org.vn/themes/default/js/ddsmoothmenu.css could save 1.1KiB (36% reduction).
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Minifying https://vff.org.vn/themes/default/css/tango/skin1.css could save 563B (13% reduction).
Minifying https://vff.org.vn/themes/default/css/owl.theme.css could save 433B (31% reduction).
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Minifying https://vff.org.vn/themes/default/css/tango/skin.css could save 258B (15% reduction).
vff.org.vn Desktop Resources
| Total Resources | 163 |
| Number of Hosts | 13 |
| Static Resources | 151 |
| JavaScript Resources | 22 |
| CSS Resources | 10 |
vff.org.vn Desktop Resource Breakdown
vff.org.vn mobile page speed rank
Last tested: 2018-01-25
Mobile Speed
Bad
24/100
vff.org.vn Mobile Speed Test Quick Summary
priority - 214 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 2MiB (41% reduction).
Compressing https://vff.org.vn/upload/product/1512980563AZ4A7448.JPG could save 531.8KiB (22% reduction).
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Compressing https://vff.org.vn/uploads/news/1516864617U23_tuyet_3.jpg could save 177.3KiB (70% reduction).
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priority - 26 Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://vff.org.vn/
https://vff.org.vn/
http://m.vff.org.vn/
https://vff.org.vn/
http://m.vff.org.vn/
priority - 25 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://vff.org.vn/en.jpg (expiration not specified)
https://vff.org.vn/upload/advert/1463410772Logo-suzuki-253-x-171.jpg (expiration not specified)
https://vff.org.vn/upload/advert/1463411864yanmar-chuan.jpg (expiration not specified)
https://vff.org.vn/upload/advert/1465202472Zcom-by-GMO-chuan.jpg (expiration not specified)
https://vff.org.vn/upload/advert/1497846099vdqg%202017.jpg (expiration not specified)
https://vff.org.vn/upload/advert/1502426038Sony-logo.jpg (expiration not specified)
https://vff.org.vn/upload/advert/1511229815Logo%20VPmilk-01.jpg (expiration not specified)
https://vff.org.vn/upload/advert/1514706295Untitled-1.jpg (expiration not specified)
https://vff.org.vn/upload/advert/1515044013Grand-Sport-1.jpg (expiration not specified)
https://vff.org.vn/upload/product/1504085443AZ4A0036.JPG (expiration not specified)
https://vff.org.vn/upload/product/1507697645Hop%20bao%208.jpg (expiration not specified)
https://vff.org.vn/upload/product/1512980563AZ4A7448.JPG (expiration not specified)
https://vff.org.vn/upload/service/1513151157Logo%20VFF.jpg (expiration not specified)
https://vff.org.vn/upload/service/1515471771u23%20chau%20a%202018.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1512703496ronaldo-qbv.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1513657969FLC%20Th…0Hoahau%20Petrovic.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1515992210a8-1633-1515945205.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516712595Logo-VFF-web2013.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516713108bai%20vi…ren%20foxsportasia.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516717966U23VN-noluc.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516783058Logo%20VFF.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516787633quang%20hai.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516797569HAGL---Dak-Lak.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516801381U23VN-doping.jpg (expiration not specified)
https://vff.org.vn/uploads/news/151680715320180124_180134.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516849108park%20k…20da,%20webthethao.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516864617U23_tuyet_3.jpg (expiration not specified)
http://img.youtube.com/vi/cD-0uqu52vo/0.jpg (5 minutes)
http://img.youtube.com/vi/nm4ftSrptMI/0.jpg (5 minutes)
http://img.youtube.com/vi/oJBFFr9DvSU/0.jpg (5 minutes)
http://connect.facebook.net/vi_VN/sdk.js (20 minutes)
http://m.vff.org.vn/themes/default/js/jquery-1.9.0.min.js (2.5 days)
http://m.vff.org.vn/themes/default/js/main.js (2.5 days)
http://m.vff.org.vn/themes/default/js/owl.carousel.js (2.5 days)
https://vff.org.vn/upload/advert/1463410772Logo-suzuki-253-x-171.jpg (expiration not specified)
https://vff.org.vn/upload/advert/1463411864yanmar-chuan.jpg (expiration not specified)
https://vff.org.vn/upload/advert/1465202472Zcom-by-GMO-chuan.jpg (expiration not specified)
https://vff.org.vn/upload/advert/1497846099vdqg%202017.jpg (expiration not specified)
https://vff.org.vn/upload/advert/1502426038Sony-logo.jpg (expiration not specified)
https://vff.org.vn/upload/advert/1511229815Logo%20VPmilk-01.jpg (expiration not specified)
https://vff.org.vn/upload/advert/1514706295Untitled-1.jpg (expiration not specified)
https://vff.org.vn/upload/advert/1515044013Grand-Sport-1.jpg (expiration not specified)
https://vff.org.vn/upload/product/1504085443AZ4A0036.JPG (expiration not specified)
https://vff.org.vn/upload/product/1507697645Hop%20bao%208.jpg (expiration not specified)
https://vff.org.vn/upload/product/1512980563AZ4A7448.JPG (expiration not specified)
https://vff.org.vn/upload/service/1513151157Logo%20VFF.jpg (expiration not specified)
https://vff.org.vn/upload/service/1515471771u23%20chau%20a%202018.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1512703496ronaldo-qbv.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1513657969FLC%20Th…0Hoahau%20Petrovic.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1515992210a8-1633-1515945205.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516712595Logo-VFF-web2013.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516713108bai%20vi…ren%20foxsportasia.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516717966U23VN-noluc.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516783058Logo%20VFF.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516787633quang%20hai.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516797569HAGL---Dak-Lak.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516801381U23VN-doping.jpg (expiration not specified)
https://vff.org.vn/uploads/news/151680715320180124_180134.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516849108park%20k…20da,%20webthethao.jpg (expiration not specified)
https://vff.org.vn/uploads/news/1516864617U23_tuyet_3.jpg (expiration not specified)
http://img.youtube.com/vi/cD-0uqu52vo/0.jpg (5 minutes)
http://img.youtube.com/vi/nm4ftSrptMI/0.jpg (5 minutes)
http://img.youtube.com/vi/oJBFFr9DvSU/0.jpg (5 minutes)
http://connect.facebook.net/vi_VN/sdk.js (20 minutes)
http://m.vff.org.vn/themes/default/js/jquery-1.9.0.min.js (2.5 days)
http://m.vff.org.vn/themes/default/js/main.js (2.5 days)
http://m.vff.org.vn/themes/default/js/owl.carousel.js (2.5 days)
priority - 16 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 159KiB (74% reduction).
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Compressing http://m.vff.org.vn/themes/default/js/main.js could save 1,008B (66% reduction).
priority - 12 Reduce server response time
In our test, your server responded in 0.34 seconds. There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.
priority - 8 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.
Approximately 13% 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:
http://m.vff.org.vn/themes/default/normalize.min.css
priority - 2 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 20.4KiB (40% reduction).
Minifying http://m.vff.org.vn/ could save 20.4KiB (40% reduction).
priority - 1 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 8.4KiB (23% reduction).
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priority - 1 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 6.5KiB (20% reduction).
Minifying http://m.vff.org.vn/themes/default/less_file/mobile.css could save 4.5KiB (21% reduction).
Minifying http://m.vff.org.vn/themes/default/css/owl.carousel.css could save 880B (15% reduction).
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vff.org.vn Mobile Resources
| Total Resources | 104 |
| Number of Hosts | 8 |
| Static Resources | 69 |
| JavaScript Resources | 15 |
| CSS Resources | 7 |
vff.org.vn Mobile Resource Breakdown
vff.org.vn mobile page usability
Last tested: 2018-01-25
Mobile Usability
Good
96/100
vff.org.vn Mobile Usability Test Quick Summary
priority - 3 Size content to viewport
The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.
The page content is 417 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:
The element
<div id="footer">Giới thiệu…te : VINASTYLE</div> falls outside the viewport.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
The tap target
<a href="http://m.vff.o…oa-vii-864.htm">Chùm ảnh Đại h…017 - Khóa VII</a> is close to 1 other tap targets.The tap target
<span class="iconm3"></span> is close to 1 other tap targets.vff.org.vn similar domains
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vff.org.vn 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.
vff.org.vn 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.