dlu.edu.vn Website Information

Daily Unique Visits: 1,210

Daily Page Views: 2,420

Income Per Day: $8

Estimated Value: $1,920

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

No name server records were found.

and is probably hosted by VNPT-AS-VN VNPT Corp, VN. See the full list of other websites hosted by VNPT-AS-VN VNPT Corp, VN.

The highest website dlu.edu.vn position in Alexa rank database was 65987 and the lowest rank position was 999837. Current position of dlu.edu.vn in Alexa rank database is 592481.

Desktop speed score of dlu.edu.vn (72/100) is better than the results of 54.39% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of dlu.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 dlu.edu.vn (27/100) is better than the results of 7.94% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

dlu.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.

dlu.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.

dlu.edu.vn domain is not supported

dlu.edu.vn server information

Servers Location

dlu.edu.vn desktop page speed rank

Last tested: 2015-09-13

Desktop Speed Medium

72/100

dlu.edu.vn Desktop Speed Test Quick Summary

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priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content

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priority - 5Leverage browser caching

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priority - 3Avoid landing page redirects

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priority - 2Prioritize visible content

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priority - 1Minify JavaScript

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priority - 0Minify CSS

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dlu.edu.vn Desktop Resource Breakdown

Total Resources	125
Number of Hosts	5
Static Resources	89
JavaScript Resources	11
CSS Resources	3

dlu.edu.vn mobile page speed rank

Last tested: 2019-06-24

Mobile Speed Bad

27/100

dlu.edu.vn Mobile Speed Test Quick Summary

priority - 82Enable compression

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priority - 80Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 21 blocking script resources and 20 blocking CSS resources. This causes a delay in rendering your page.

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http://dlu.edu.vn/Services/CMS.asmx/js
http://dlu.edu.vn/Services/WeatherService.asmx/js
http://dlu.edu.vn/Components/vendors/js/owl.carousel.min.js
http://dlu.edu.vn/Components/vendors/js/menu-components.js
http://dlu.edu.vn/Components/vendors/js/jquery.smartmenus.min.js
http://dlu.edu.vn/Components/vendors/js/jquery.smartmenus.bootstrap.min.js
http://dlu.edu.vn/Components/vendors/js/jquery.scr….scrolling-tabs.min.js
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http://dlu.edu.vn/Resources/ImagesPortal/HomePage/js/slider-discover.js

Optimize CSS Delivery of the following:

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http://dlu.edu.vn/Components/vendors/css/font-awesome.min.css
http://dlu.edu.vn/Components/vendors/css/owl.carousel.min.css
http://dlu.edu.vn/Components/vendors/css/owl.theme.default.min.css
http://dlu.edu.vn/Components/vendors/css/smartmenus/sm-core-css.css
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http://dlu.edu.vn/Components/vendors/css/jquery.smartmenus.bootstrap.css
http://dlu.edu.vn/Resources/ImagesPortal/HomePage/css/HomePage.css
https://fonts.googleapis.com/css?family=Open+Sans:…t=latin-ext,vietnamese
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priority - 48Leverage 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:

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http://dlu.edu.vn/Components/bootstrap/css/bootstrap.min.css (expiration not specified)
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http://dlu.edu.vn/Components/vendors/css/font-awesome.min.css (expiration not specified)
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http://dlu.edu.vn/Components/vendors/css/normalize.css (expiration not specified)
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http://dlu.edu.vn/Portlets/NivoSlider/CSS/themes/default/default.css (expiration not specified)
http://dlu.edu.vn/Portlets/NivoSlider/CSS/themes/default/loading.gif (expiration not specified)
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priority - 40Optimize images

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priority - 11Reduce server response time

In our test, your server responded in 0.92 seconds.

priority - 3Minify CSS

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priority - 3Minify JavaScript

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priority - 1Minify HTML

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dlu.edu.vn Mobile Resource Breakdown

Total Resources	86
Number of Hosts	3
Static Resources	72
JavaScript Resources	22
CSS Resources	22

dlu.edu.vn mobile page usability

Last tested: 2019-06-24

Mobile Usability Good

99/100

dlu.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="http://canbo.dlu.edu.vn">Cán bộ Giảng viên</a> and 3 others are close to other tap targets.

The tap target <a href="http://canbo.dlu.edu.vn">Cán bộ Giảng viên</a> is close to 2 other tap targets.

The tap target <a class="btn prev"></a> and 1 others are close to other tap targets.

dlu.edu.vn HTML validation

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Line: 2 Column: 1 - 121
"... <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html..."

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

Line: 584 Column: 5 - 90
"...mon"> <img class="img-responsive" src="/Resources/ImagesPortal/HomePage/imgs/bg-shadow.png"> </..." Line: 591 Column: 83 - 171
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/t1.jpg" title=""></a> ..." Line: 593 Column: 56 - 154
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/DLU building.png" title=""></a> ..." Line: 595 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 11.png" title=""></a> ..." Line: 597 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 10.png" title=""></a> ..." Line: 599 Column: 56 - 143
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/1.png" title=""></a> ..." Line: 601 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 08.png" title=""></a> ..." Line: 603 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 07.png" title=""></a> ..." Line: 605 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 06.png" title=""></a> ..." Line: 607 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 05.png" title=""></a> ..." Line: 609 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 04.png" title=""></a> ..." Line: 611 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 03.png" title=""></a> ..." Line: 613 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 02.png" title=""></a> ..." Line: 615 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 01.png" title=""></a> ..."

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/DLU building.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 593 Column: 56 - 154
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/DLU building.png" title=""></a> ..."

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 11.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 595 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 11.png" title=""></a> ..."

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 10.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 597 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 10.png" title=""></a> ..."

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 08.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 601 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 08.png" title=""></a> ..."

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 07.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 603 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 07.png" title=""></a> ..."

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 06.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 605 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 06.png" title=""></a> ..."

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 05.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 607 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 05.png" title=""></a> ..."

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 04.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 609 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 04.png" title=""></a> ..."

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 03.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 611 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 03.png" title=""></a> ..."

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 02.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 613 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 02.png" title=""></a> ..."

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 01.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 615 Column: 56 - 146
"...="_blank"><img src="/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 01.png" title=""></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/hoi cuu chien binh.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 764 Column: 49 - 152
"....edu.vn/"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/hoi cuu chien binh.jpg" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/TRUNG TAM TIN HOC.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 804 Column: 48 - 150
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/TRUNG TAM TIN HOC.jpg" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/dang uy.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 820 Column: 51 - 143
"....edu.vn/"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/dang uy.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/cong doan.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 824 Column: 46 - 140
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/cong doan.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/doan thanh nien cong san.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 828 Column: 49 - 158
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/doan thanh nien cong san.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/phong thanh tra.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 832 Column: 47 - 147
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/phong thanh tra.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/vien nong nghiep.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 836 Column: 50 - 151
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/vien nong nghiep.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/trung tam nguon nhan luc.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 840 Column: 50 - 159
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/trung tam nguon nhan luc.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/phong to chuc hanh chinh.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 844 Column: 48 - 157
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/phong to chuc hanh chinh.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/phong tai chinh.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 848 Column: 47 - 147
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/phong tai chinh.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/phong khao thi kiem dinh.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 852 Column: 49 - 158
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/phong khao thi kiem dinh.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/phong co so vat chat.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 856 Column: 49 - 154
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/phong co so vat chat.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/Phng quan ly kh.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 860 Column: 49 - 149
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/Phng quan ly kh.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/Phong QLDT Shorcut.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 864 Column: 47 - 150
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/Phong QLDT Shorcut.jpg" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa sinh hoc.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 868 Column: 47 - 145
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa sinh hoc.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa quoc te hoc.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 872 Column: 48 - 149
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa quoc te hoc.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/40 nam.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 876 Column: 50 - 141
"....edu.vn/"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/40 nam.jpg" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa quan tri du lich.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 880 Column: 49 - 155
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa quan tri du lich.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa ngu van.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 884 Column: 48 - 145
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa ngu van.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa ky thuat hat nhan.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 888 Column: 48 - 155
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa ky thuat hat nhan.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa kit-qtkd.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 892 Column: 49 - 147
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa kit-qtkd.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa hoa hoc.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 896 Column: 47 - 144
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa hoa hoc.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa cntt.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 900 Column: 48 - 142
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa cntt.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa nong lam.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 904 Column: 47 - 145
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa nong lam.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa ly luan chinh tri.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 908 Column: 49 - 156
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa ly luan chinh tri.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa luat hoc.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 912 Column: 47 - 145
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa luat hoc.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa lich su.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 916 Column: 47 - 144
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa lich su.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa giao duc the chat.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 920 Column: 49 - 156
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa giao duc the chat.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa cong tac xa hoi.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 924 Column: 49 - 154
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa cong tac xa hoi.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/vien nghien cuu moi truong.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 928 Column: 49 - 160
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/vien nghien cuu moi truong.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/Phong quan ly dao tao.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 932 Column: 49 - 155
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/Phong quan ly dao tao.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa vat ly.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 936 Column: 46 - 142
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa vat ly.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/Khoa toan tin hoc.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 940 Column: 47 - 149
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/Khoa toan tin hoc.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa ngoai ngu.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 944 Column: 46 - 145
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa ngoai ngu.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa banner 1.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 948 Column: 48 - 146
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa banner 1.png" alt=""/></a> ..."

Bad value “/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa banner 2.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 952 Column: 46 - 144
"...u.edu.vn"><img src="/Resources/imagesPortlet/f8d42889-5202-42ef-8189-004f58b7fc97/khoa banner 2.png" alt=""/></a> ..."

Warnings

The “language” attribute on the “script” element is obsolete. You can safely omit it.

Line: 26 Column: 5 - 57
"...> <script language="javascript" type="text/javascript"> ..."

The value of attribute “placeholder” on element “input” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.

Line: 320 Column: 1 - 124
"...Desktop"> <input name="txtSearchArticle" id="txtSearchArticle" placeholder="Tìm kiếm..." onkeydown="return SearchProcess(event);" /> <butt..."

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dlu.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.

dlu.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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dlu.edu.vn Desktop Speed Test Quick Summary

priority - 13Optimize images

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

Optimize the following images to reduce their size by 128.5KiB (13% reduction).

priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 5 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 5Leverage 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 - 4Enable 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 34.6KiB (75% reduction).

priority - 3Avoid 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.

priority - 2Prioritize 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.

priority - 1Minify 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 6.2KiB (11% reduction).

priority - 0Minify CSS

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Minify CSS for the following resources to reduce their size by 1.8KiB (6% reduction).

dlu.edu.vn Desktop Resource Breakdown

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dlu.edu.vn Mobile Speed Test Quick Summary

priority - 82Enable 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 803.7KiB (76% reduction).

priority - 80Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 21 blocking script resources and 20 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 48Leverage 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 - 40Optimize images

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

Optimize the following images to reduce their size by 393.8KiB (50% reduction).

priority - 11Reduce server response time

In our test, your server responded in 0.92 seconds.

priority - 3Minify 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 30.4KiB (23% reduction).

priority - 3Minify 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 28.6KiB (28% 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 8KiB (21% reduction).

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dlu.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.

dlu.edu.vn HTML validation

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

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

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/DLU building.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 11.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 10.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 08.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 07.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 06.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 05.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 04.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 03.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Bad value “/Resources/imagesPortlet/062c4beb-07b6-4a97-9235-b381a17f8cdf/a 02.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.