dntu.edu.vn Website Information

Daily Unique Visits: 2,177

Daily Page Views: 6,531

Income Per Day: $20

Estimated Value: $7,200

This website is located in Viet Nam and is using following IP address 171.244.43.120. See the complete list of popular websites hosted in Viet Nam.

dntu.edu.vn is registered under .VN top-level domain. Please check other sites in .VN zone.

Website dntu.edu.vn is using the following name servers:

ns1.matbao.vn
ns2.matbao.vn
ns-bak.matbao.com

and is probably hosted by VIETEL-AS-AP Viettel Group, VN. See the full list of other websites hosted by VIETEL-AS-AP Viettel Group, VN.

The highest website dntu.edu.vn position in Alexa rank database was 42715 and the lowest rank position was 999594. Current position of dntu.edu.vn in Alexa rank database is 494172.

Desktop speed score of dntu.edu.vn (21/100) is better than the results of 4.47% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of dntu.edu.vn (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.

Mobile speed score of dntu.edu.vn (22/100) is better than the results of 5.33% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

dntu.edu.vn Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.

dntu.edu.vn whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.

dntu.edu.vn domain is not supported

dntu.edu.vn server information

Servers Location

dntu.edu.vn desktop page speed rank

Last tested: 2019-10-12

Desktop Speed Bad

21/100

dntu.edu.vn Desktop Speed Test Quick Summary

priority - 210Optimize images

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priority - 51Enable compression

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priority - 47Leverage browser caching

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Leverage browser caching for the following cacheable resources:

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https://dntu.edu.vn/StylePages/HomePage/jquery-2.1.1.js (expiration not specified)
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https://www.googletagmanager.com/gtag/js?id=AW-881635533 (15 minutes)
https://connect.facebook.net/vi_VN/sdk.js (20 minutes)
https://www.google.com/cse/static/style/look/v3/default.css (50 minutes)
https://cse.google.com/adsense/search/async-ads.js (60 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 14Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 8 blocking script resources and 13 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://dntu.edu.vn/StylePages/HomePage/jquery-2.1.1.js
https://dntu.edu.vn/StylePages/HomePage/bootstrap.min.js
https://dntu.edu.vn/StylePages/HomePage/jquery-hp.js
https://dntu.edu.vn/StylePages/HomePage/timeago.js
https://dntu.edu.vn/StylePages/HomePage/bootstrap-dialog.min.js
https://dntu.edu.vn/StylePages/HomePage/banner_simple_fade/jssor.js
https://dntu.edu.vn/StylePages/HomePage/banner_simple_fade/jssor.slider.js
https://dntu.edu.vn/StylePages/HomePage/dntu-pop.js

Optimize CSS Delivery of the following:

https://fonts.googleapis.com/css?family=Noticia+Te…n,vietnamese,latin-ext
https://fonts.googleapis.com/css?family=Source+San…n,vietnamese,latin-ext
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https://dntu.edu.vn/StylePages/HomePage/bootstrap.min.css
https://dntu.edu.vn/StylePages/HomePage/resetbootstrap.css
https://dntu.edu.vn/StylePages/HomePage/StyleDefault.css
https://dntu.edu.vn/StylePages/HomePage/StyleHeaderFooter.css
https://dntu.edu.vn/StylePages/HomePage/StyleMain.css
https://dntu.edu.vn/StylePages/HomePage/bootstrap-dialog.min.css
https://dntu.edu.vn/StylePages/HomePage/banner_sim…banner_slide_index.css
https://dntu.edu.vn/StylePages/HomePage/StyleVideo.css
https://fonts.googleapis.com/css?family=Open+Sans:400,800
https://dntu.edu.vn/StylePages/HomePage/dntu-pop.css

priority - 13Minify 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 131.6KiB (47% reduction).

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Minifying https://dntu.edu.vn/StylePages/HomePage/timeago.js could save 7.8KiB (50% reduction).
Minifying https://connect.facebook.net/vi_VN/sdk.js could save 672B (39% reduction) after compression.
Minifying https://dntu.edu.vn/StylePages/HomePage/dntu-pop.js could save 616B (56% reduction).

priority - 2Minify 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 22.5KiB (36% reduction).

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priority - 2Reduce server response time

In our test, your server responded in 0.36 seconds.

priority - 1Minify 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 5.2KiB (12% reduction).

Minifying https://dntu.edu.vn/ could save 5.2KiB (12% reduction).

dntu.edu.vn Desktop Resource Breakdown

Total Resources	212
Number of Hosts	21
Static Resources	183
JavaScript Resources	59
CSS Resources	28

dntu.edu.vn mobile page speed rank

Last tested: 2019-10-30

Mobile Speed Bad

22/100

dntu.edu.vn Mobile Speed Test Quick Summary

priority - 154Optimize images

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priority - 69Leverage 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://dntu.edu.vn/Data/DirImages/47Avt.gif (expiration not specified)
https://dntu.edu.vn/Data/DirImages/51Avt.gif (expiration not specified)
https://dntu.edu.vn/Data/DirImages/54Avt.gif (expiration not specified)
https://dntu.edu.vn/Data/DirImages/55Avt.gif (expiration not specified)
https://dntu.edu.vn/Data/DirImages/7Avt.gif (expiration not specified)
https://dntu.edu.vn/Data/News/11/imageAvata/h.jpg (expiration not specified)
https://dntu.edu.vn/Data/News/120/imageAvata/images2225639_IMG_3610.jpg (expiration not specified)
https://dntu.edu.vn/Data/News/120/imageAvata/img_0207.jpg (expiration not specified)
https://dntu.edu.vn/Data/News/121/files/LOGO%20DOAN.png (expiration not specified)
https://dntu.edu.vn/Data/News/121/files/images.jpg (expiration not specified)
https://dntu.edu.vn/Data/News/2/files/erv(1).png (expiration not specified)
https://dntu.edu.vn/Data/News/2/files/fgtr.jpg (expiration not specified)
https://dntu.edu.vn/Data/News/2/files/web.png (expiration not specified)
https://dntu.edu.vn/Data/News/4/files/dftn%20(1).jpg (expiration not specified)
https://dntu.edu.vn/Data/News/4/files/images.jpg (expiration not specified)
https://dntu.edu.vn/Data/News/4/files/vfrd.png (expiration not specified)
https://dntu.edu.vn/Data/News/4/imageAvata/images2231223_IMG_5106.jpg (expiration not specified)
https://dntu.edu.vn/Data/News/45/imageAvata/012.jpg (expiration not specified)
https://dntu.edu.vn/Data/News/45/imageAvata/auff.jpg (expiration not specified)
https://dntu.edu.vn/Data/News/45/imageAvata/clip.jpg (expiration not specified)
https://dntu.edu.vn/Data/News/45/imageAvata/pnvn.jpg (expiration not specified)
https://dntu.edu.vn/Data/News/71/images/02%20LOTTE.jpg (expiration not specified)
https://dntu.edu.vn/Data/News/71/images/03%20TRUONG%20HAI.png (expiration not specified)
https://dntu.edu.vn/Data/News/71/images/04%20MOBIFONE.jpg (expiration not specified)
https://dntu.edu.vn/Data/News/71/images/05.jpg (expiration not specified)
https://dntu.edu.vn/Data/News/71/images/06.jpg (expiration not specified)
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https://dntu.edu.vn/Data/News/71/images/kienthucviet.png (expiration not specified)
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https://dntu.edu.vn/Data/News/71/images/thanh_vu.jpg (expiration not specified)
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https://dntu.edu.vn/StylePages/HomePage/StyleDefault.css (expiration not specified)
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https://dntu.edu.vn/StylePages/HomePage/StyleMain.css (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/StyleVideo.css (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/banner_simple_fade/jssor.js (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/banner_simple_fade/jssor.slider.js (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/banner_sim…banner_slide_index.css (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/bootstrap-dialog.min.css (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/bootstrap-dialog.min.js (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/bootstrap.min.css (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/bootstrap.min.js (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/dntu-pop.css (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/dntu-pop.js (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/font-awesome.min.css (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/images/bg_menu_right_index.png (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/images/dai_doc_dntu.png (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/images/dntu-popup-360.jpg (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/images/icon-England.png (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/images/icon-Vietnam.png (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/images/icon-close.png (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/images/icon-menu.png (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/images/icon_search.png (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/images/logo.png (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/images/signup-bg2.jpg (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/images/slogan.png (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/jquery-2.1.1.js (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/jquery-hp.js (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/loading.gif (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/resetbootstrap.css (expiration not specified)
https://dntu.edu.vn/StylePages/HomePage/timeago.js (expiration not specified)
https://dntu.edu.vn/css/banner_simple_fade/loading.gif (expiration not specified)
https://www.dntu.edu.vn/Data/News/5/imageAvata/Gioi-thieu-01.jpg (expiration not specified)
https://www.dntu.edu.vn/Data/News/5/imageAvata/Gioi-thieu-02.jpg (expiration not specified)
https://www.dntu.edu.vn/Data/News/5/imageAvata/Gioi-thieu-03.jpg (expiration not specified)
https://www.googletagmanager.com/gtag/js?id=UA-150668297-1 (15 minutes)
https://connect.facebook.net/vi_VN/sdk.js (20 minutes)
https://www.google.com/cse/static/style/look/v3/default.css (50 minutes)
https://cse.google.com/adsense/search/async-ads.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 51Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

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priority - 32Eliminate 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.

Optimize CSS Delivery of the following:

https://fonts.googleapis.com/css?family=Noticia+Te…n,vietnamese,latin-ext

priority - 13Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

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Minifying https://connect.facebook.net/vi_VN/sdk.js could save 673B (39% reduction) after compression.
Minifying https://dntu.edu.vn/StylePages/HomePage/dntu-pop.js could save 616B (56% reduction).

priority - 3Reduce server response time

In our test, your server responded in 0.39 seconds.

priority - 2Minify 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 22.5KiB (36% reduction).

priority - 1Minify 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 5KiB (12% reduction).

Minifying https://dntu.edu.vn/ could save 5KiB (12% reduction).

dntu.edu.vn Mobile Resource Breakdown

Total Resources	205
Number of Hosts	19
Static Resources	178
JavaScript Resources	54
CSS Resources	27

dntu.edu.vn mobile page usability

Last tested: 2019-10-30

Mobile Usability Good

99/100

dntu.edu.vn Mobile Usability Test Quick Summary

priority - 0Size 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="https://dntu.e…niversity.html"></a> is close to 1 other tap targets.

The tap target <div id="button_menu_mobile" class="menu_mobile"></div> is close to 1 other tap targets.

The tap target <a href="https://360campus.dntu.edu.vn/"></a> is close to 2 other tap targets.

The tap target <a class="pop-close">Đóng</a> is close to 1 other tap targets.

dntu.edu.vn HTML validation

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Line: 6 Column: 5 - 114
"...8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0" /> <..."

Element name “gcse:search” cannot be represented as XML 1.0.

Line: 99 Column: 5 - 17
"...ript> <gcse:search></gcse..."

Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.

Line: 54 Column: 1 - 9
"...</script> <article> <..." Line: 212 Column: 1 - 151
".../article> <article id="events_notices" class="container" style="width: 100%; padding-bottom: 50px; background-color: #ffffff; position: relative; z-index: 900;"> <..." Line: 250 Column: 1 - 64
".../article> <article id="ModalImageSocial" class="modal fade" role="dialog"> <..." Line: 258 Column: 1 - 97
".../article> <article id="rowBottom" class="container" style="width: 100%; position: relative; z-index: 900;"> <..." Line: 292 Column: 1 - 94
".../article> <article id="doitac" class="container" style="width: 100%; position: relative; z-index: 900;"> <..." Line: 335 Column: 1 - 29
".../article> <article id="rowFooterSpace"> </art..." Line: 338 Column: 5 - 32
"...ner"> <article id="contentFooter"> ..."

The first occurrence of ID “NewsDNTU” was here.

Line: 177 Column: 5 - 40
"...00;"> <div id="NewsDNTU" class="NewsDNTU"> ..."

Empty heading.

Line: 248 Column: 78 - 88
"...U</h3><li><h2 class=><a cla..." Line: 248 Column: 241 - 251
"...></li><li><h2 class=><a cla..." Line: 248 Column: 400 - 410
"...></li><li><h2 class=><a cla..." Line: 248 Column: 558 - 568
"...></li><li><h2 class=><a cla..." Line: 248 Column: 714 - 724
"...></li><li><h2 class=><a cla..."

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Line: 339 Column: 9 - 36
"...> <section class="SearchMenu"> ..." Line: 342 Column: 9 - 35
"...> <section class="Copyright"> ..."

Errors

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 59 Column: 17 - 69
"... <img src="StylePages/HomePage/images/icon-close.png"> ..." Line: 70 Column: 21 - 75
"... <img src="StylePages/HomePage/images/icon-England.png"> ..." Line: 73 Column: 21 - 75
"... <img src="StylePages/HomePage/images/icon-Vietnam.png"> ..." Line: 82 Column: 17 - 68
"... <img src="StylePages/HomePage/images/icon-menu.png"> ..." Line: 144 Column: 166 - 218
"...2018-549/><img u='image' src=/Data/News/2/imageAvata/DC2.jpg /></a></..." Line: 144 Column: 234 - 286
".../div><div><img u='image' src=/Data/News/2/imageAvata/tsv.jpg /></div>..." Line: 144 Column: 427 - 482
"...-duc.html><img u='image' src=/Data/News/2/imageAvata/chuanz.jpg /></a></..." Line: 144 Column: 643 - 690
"...2019.html><img u='image' src=/Data/News/2/files/abc.jpg /></a></..." Line: 144 Column: 881 - 935
"...2019.html><img u='image' src=/Data/News/2/imageAvata/tp(1).jpg /></a></..." Line: 144 Column: 951 - 1007
".../div><div><img u='image' src=/Data/News/2/imageAvata/1%20(1).jpg /></div>..." Line: 144 Column: 1019 - 1070
".../div><div><img u='image' src=/Data/News/2/imageAvata/nn.jpg /></div>..." Line: 144 Column: 1082 - 1133
".../div><div><img u='image' src=/Data/News/2/imageAvata/kt.jpg /></div>..." Line: 144 Column: 1145 - 1196
".../div><div><img u='image' src=/Data/News/2/imageAvata/tp.jpg /></div>..." Line: 144 Column: 1208 - 1260
".../div><div><img u='image' src=/Data/News/2/imageAvata/qtt.jpg /></div>..." Line: 186 Column: 9 - 106
"...> <img id="loadingID" src="../StylePages/HomePage/loading.gif" width="30px" style="display: none" /> ..." Line: 198 Column: 9 - 107
"...> <img id="loadingID2" src="../StylePages/HomePage/loading.gif" width="30px" style="display: none" /> ..." Line: 248 Column: 148 - 199
"...="_blank"><img align=absmiddle src="Data/DirImages/47Avt.gif"><h4>sv..." Line: 248 Column: 312 - 363
"...="_blank"><img align=absmiddle src="Data/DirImages/51Avt.gif"><h4>eL..." Line: 248 Column: 460 - 510
"...ng.html" ><img align=absmiddle src="Data/DirImages/7Avt.gif"><h4>Th..." Line: 248 Column: 617 - 668
"...ng.html" ><img align=absmiddle src="Data/DirImages/54Avt.gif"><h4>Th..." Line: 248 Column: 791 - 842
"...="_blank"><img align=absmiddle src="Data/DirImages/55Avt.gif"><h4>Cố..."

Element “gcse:search” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

Line: 99 Column: 5 - 17
"...ript> <gcse:search></gcse..."

Attribute “u” not allowed on element “div” at this point.

Line: 136 Column: 21 - 86
"... <div u="loading" style="position: absolute; top: 0px; left: 0px;"> ..." Line: 143 Column: 21 - 170
"... <div id="ctl00_banner_slide" u="slides" style="cursor: move; position: absolute; left: 0px; top: 0px; width: 700px; height: 310px; overflow: hidden;"> ..."

Attribute “u” not allowed on element “img” at this point.

Line: 144 Column: 166 - 218
"...2018-549/><img u='image' src=/Data/News/2/imageAvata/DC2.jpg /></a></..." Line: 144 Column: 234 - 286
".../div><div><img u='image' src=/Data/News/2/imageAvata/tsv.jpg /></div>..." Line: 144 Column: 427 - 482
"...-duc.html><img u='image' src=/Data/News/2/imageAvata/chuanz.jpg /></a></..." Line: 144 Column: 643 - 690
"...2019.html><img u='image' src=/Data/News/2/files/abc.jpg /></a></..." Line: 144 Column: 881 - 935
"...2019.html><img u='image' src=/Data/News/2/imageAvata/tp(1).jpg /></a></..." Line: 144 Column: 951 - 1007
".../div><div><img u='image' src=/Data/News/2/imageAvata/1%20(1).jpg /></div>..." Line: 144 Column: 1019 - 1070
".../div><div><img u='image' src=/Data/News/2/imageAvata/nn.jpg /></div>..." Line: 144 Column: 1082 - 1133
".../div><div><img u='image' src=/Data/News/2/imageAvata/kt.jpg /></div>..." Line: 144 Column: 1145 - 1196
".../div><div><img u='image' src=/Data/News/2/imageAvata/tp.jpg /></div>..." Line: 144 Column: 1208 - 1260
".../div><div><img u='image' src=/Data/News/2/imageAvata/qtt.jpg /></div>..."

Element “h3” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

Line: 180 Column: 17 - 34
"... <h3 class='CName'><a cla..." Line: 192 Column: 17 - 34
"... <h3 class='CName'><a cla..." Line: 204 Column: 17 - 34
"... <h3 class='CName'><a cla..." Line: 233 Column: 17 - 34
"... <h3 class='CName'>Thông ..." Line: 242 Column: 17 - 34
"... <h3 class='CName'><a cla..." Line: 248 Column: 24 - 39
"...=CatImage><h3 class=CName>Cổng t..."

End tag “li” seen, but there were open elements.

Line: 180 Column: 964 - 968
"...- 2019</a></li><li cl..." Line: 180 Column: 1811 - 1815
"...i DNTU</a></li><li cl..." Line: 180 Column: 2741 - 2745
"...trường</a></li><li cl..." Line: 180 Column: 4016 - 4020
"...i DNTU</a></li> ..." Line: 192 Column: 1185 - 1189
"... sinh)</a></li><li cl..." Line: 192 Column: 2052 - 2056
"...ầu gạo</a></li><li cl..." Line: 192 Column: 2917 - 2921
"...rợ vốn</a></li><li cl..." Line: 192 Column: 3929 - 3933
"...nghiệp</a></li> ..." Line: 204 Column: 896 - 900
"...lạc bộ</a></li><li cl..." Line: 204 Column: 1760 - 1764
"...8/2018</a></li><li cl..." Line: 204 Column: 2918 - 2922
"... ngày)</a></li><li cl..." Line: 204 Column: 4271 - 4275
"...t thúc</a></li> ..." Line: 242 Column: 490 - 494
"...7/2018</a></li><li cl..." Line: 242 Column: 927 - 931
"...a chọn</a></li><li cl..." Line: 242 Column: 1403 - 1407
"...p DNTU</a></li><li cl..." Line: 242 Column: 1861 - 1865
".../2018)</a></li> ..."

Unclosed element “div”.

Line: 180 Column: 794 - 813
"...div></div><div class='NTitle'><a hr..." Line: 180 Column: 1655 - 1674
"...div></div><div class='NTitle'><a hr..." Line: 180 Column: 2553 - 2572
"...div></div><div class='NTitle'><a hr..." Line: 180 Column: 3684 - 3703
"...div></div><div class='NTitle'><a hr..." Line: 192 Column: 950 - 969
"...div></div><div class='NTitle'><a hr..." Line: 192 Column: 1894 - 1913
"...div></div><div class='NTitle'><a hr..." Line: 192 Column: 2757 - 2776
"...div></div><div class='NTitle'><a hr..." Line: 192 Column: 3709 - 3728
"...div></div><div class='NTitle'><a hr..." Line: 204 Column: 770 - 789
"...div></div><div class='NTitle'><a hr..." Line: 204 Column: 1597 - 1616
"...div></div><div class='NTitle'><a hr..." Line: 204 Column: 2639 - 2658
"...div></div><div class='NTitle'><a hr..." Line: 204 Column: 3908 - 3927
"...div></div><div class='NTitle'><a hr..." Line: 242 Column: 330 - 354
"...</a></div><div class='NTitleVideo'><a hr..." Line: 242 Column: 725 - 749
"...</a></div><div class='NTitleVideo'><a hr..." Line: 242 Column: 1163 - 1187
"...</a></div><div class='NTitleVideo'><a hr..." Line: 242 Column: 1638 - 1662
"...</a></div><div class='NTitleVideo'><a hr..."

Attribute “data1” not allowed on element “button” at this point.

Line: 185 Column: 5 - 125
".../div> <button id="MoreNewsID" type="button" class="btn btn-default MoreNewsID" data1="2" data2="4" loc="3" cssclass="col-xs-3"> ..." Line: 197 Column: 5 - 127
".../div> <button id="MoreNewsID2" type="button" class="btn btn-default MoreNewsID" data1="2" data2="4" loc="13" cssclass="col-xs-3"> ..."

Attribute “data2” not allowed on element “button” at this point.

Attribute “loc” not allowed on element “button” at this point.

Attribute “cssclass” not allowed on element “button” at this point.

Bad value “30px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.

Line: 186 Column: 9 - 106
"...> <img id="loadingID" src="../StylePages/HomePage/loading.gif" width="30px" style="display: none" /> ..." Line: 198 Column: 9 - 107
"...> <img id="loadingID2" src="../StylePages/HomePage/loading.gif" width="30px" style="display: none" /> ..."

Duplicate ID “NewsDNTU”.

Line: 239 Column: 5 - 23
"...00;"> <div id="NewsDNTU"> ..."

Attribute “data” not allowed on element “div” at this point.

Line: 242 Column: 121 - 275
"...col-xs-3'><div data='9175' NewsSource='https://www.youtube.com/embed/ZesxH-YhkuQ' class='NImgVideo' style='background-image: url("/Data/News/45/imageAvata/ts.jpg")'><a hre..." Line: 242 Column: 516 - 670
"...col-xs-3'><div data='9163' NewsSource='https://www.youtube.com/embed/LFM3i4q7BnE' class='NImgVideo' style='background-image: url("/Data/News/45/imageAvata/ts.jpg")'><a hre..." Line: 242 Column: 953 - 1108
"...col-xs-3'><div data='9128' NewsSource='https://www.youtube.com/embed/eUam8_AW4hE' class='NImgVideo' style='background-image: url("/Data/News/45/imageAvata/qqq.JPG")'><a hre..." Line: 242 Column: 1429 - 1583
"...col-xs-3'><div data='9127' NewsSource='https://www.youtube.com/embed/iFtklT_6_iI' class='NImgVideo' style='background-image: url("/Data/News/45/imageAvata/zz.jpg")'><a hre..."

Attribute “newssource” not allowed on element “div” at this point.

Attribute value missing.

Line: 248 Column: - 88
"...><li><h2 class=><a class='' hr..." Line: 248 Column: - 251
"...><li><h2 class=><a class='' hr..." Line: 248 Column: - 410
"...><li><h2 class=><a class='' hr..." Line: 248 Column: - 568
"...><li><h2 class=><a class='' hr..." Line: 248 Column: - 724
"...><li><h2 class=><a class='' hr..."

The “align” attribute on the “img” element is obsolete. Use CSS instead.

Line: 248 Column: 148 - 199
"...="_blank"><img align=absmiddle src="Data/DirImages/47Avt.gif"><h4>sv..." Line: 248 Column: 312 - 363
"...="_blank"><img align=absmiddle src="Data/DirImages/51Avt.gif"><h4>eL..." Line: 248 Column: 460 - 510
"...ng.html" ><img align=absmiddle src="Data/DirImages/7Avt.gif"><h4>Th..." Line: 248 Column: 617 - 668
"...ng.html" ><img align=absmiddle src="Data/DirImages/54Avt.gif"><h4>Th..." Line: 248 Column: 791 - 842
"...="_blank"><img align=absmiddle src="Data/DirImages/55Avt.gif"><h4>Cố..."

Element “h4” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)

Line: 248 Column: 200 - 203
"...7Avt.gif"><h4>sv.dnt..." Line: 248 Column: 364 - 367
"...1Avt.gif"><h4>eLearn..." Line: 248 Column: 511 - 514
"...7Avt.gif"><h4>Thông ..." Line: 248 Column: 669 - 672
"...4Avt.gif"><h4>Thông ..." Line: 248 Column: 843 - 846
"...5Avt.gif"><h4>Cố vấn..."

Bad value “dialog” for attribute “role” on element “article”.

Line: 250 Column: 1 - 64
".../article> <article id="ModalImageSocial" class="modal fade" role="dialog"> <..."

End tag “div” seen, but there were open elements.

Line: 262 Column: 479 - 484
"...tiếp </li></div><div c..."

Unclosed element “ul”.

Line: 262 Column: 69 - 72
"...ăm dò</h3><ul> <li><..."

Attribute “data” not allowed on element “button” at this point.

Line: 262 Column: 508 - 577
"...ull-left'><button type='button' class='btn btn-default' id='btnBinhChon' data=1>Bình c..." Line: 262 Column: 597 - 706
"...</button> <button type='button' class='btn btn-default' id='btnKetQua' data=1 data-toggle='modal' data-target='.bs-msg'>Kết qu..."

Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

Line: 286 Column: 17 - 56
"... <ul class='col-xs-12 col-sm-6 col-md-3'><h4>Kh..." Line: 286 Column: 452 - 491
"...</li></ul><ul class='col-xs-12 col-sm-6 col-md-3'><h4>Ph..." Line: 286 Column: 1491 - 1530
"...</li></ul><ul class='col-xs-12 col-sm-6 col-md-3'><h4>Tr..." Line: 286 Column: 1957 - 1996
"...</li></ul><ul class='col-xs-12 col-sm-6 col-md-3'><h4>Đo..." Line: 286 Column: 2262 - 2301
"...</li></ul><ul class='col-xs-12 col-sm-6 col-md-3'><h4>Nh..."

Element “marquee” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

Line: 296 Column: 72 - 98
"...</h3><div><marquee scrollamount='20'><ul> ..."

Saw “</>”. Probable causes: Unescaped “<” (escape as “<”) or mistyped end tag.

Line: 340 Column: - 170
"...o@dntu.edu.vn</> </sec..."

The “aria-labelledby” attribute must point to an element in the same document.

Line: 265 Column: 13 - 140
"... <div class="modal fade bs-msg" id="ptdModal" tabindex="-1" role="dialog" aria-labelledby="myLargeModalLabel" aria-hidden="true"> ..."

The “itemprop” attribute was specified, but the element is not a property of any item.

Line: 8 Column: 5 - 50
"...itle> <meta content="vi-VN" itemprop="inLanguage" /> <..."

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dntu.edu.vn Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.

dntu.edu.vn TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.

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dntu.edu.vn Desktop Speed Test Quick Summary

priority - 210Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 2MiB (58% reduction).

priority - 51Enable 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 499.3KiB (78% reduction).

priority - 47Leverage 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:

priority - 14Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 8 blocking script resources and 13 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 13Minify 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 131.6KiB (47% reduction).

priority - 2Minify 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 22.5KiB (36% reduction).

priority - 2Reduce server response time

In our test, your server responded in 0.36 seconds.

priority - 1Minify 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 5.2KiB (12% reduction).

dntu.edu.vn Desktop Resource Breakdown

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dntu.edu.vn Mobile Speed Test Quick Summary

priority - 154Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 1.5MiB (59% reduction).

priority - 69Leverage 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:

priority - 51Enable 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 498.6KiB (78% reduction).

priority - 32Eliminate 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.

Optimize CSS Delivery of the following:

priority - 13Minify 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 131.6KiB (47% reduction).

priority - 3Reduce server response time

In our test, your server responded in 0.39 seconds.

priority - 2Minify 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 22.5KiB (36% reduction).

priority - 1Minify 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 5KiB (12% reduction).

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priority - 0Size 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.

dntu.edu.vn HTML validation

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Element name “gcse:search” cannot be represented as XML 1.0.

Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.

The first occurrence of ID “NewsDNTU” was here.

Empty heading.

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Errors

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Element “gcse:search” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

Attribute “u” not allowed on element “div” at this point.

Attribute “u” not allowed on element “img” at this point.

Element “h3” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

End tag “li” seen, but there were open elements.

Saw “</>”. Probable causes: Unescaped “<” (escape as “<”) or mistyped end tag.