donga.edu.vn Website Information

Daily Unique Visits: 4,529

Daily Page Views: 18,116

Income Per Day: $51

Estimated Value: $27,540

This website is located in Viet Nam and is using following IP address 203.113.167.101. See the complete list of popular websites hosted in Viet Nam.

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

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

ns3.vdc3.vn
ns4.vdc3.vn

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 donga.edu.vn position in Alexa rank database was 33501 and the lowest rank position was 998975. Current position of donga.edu.vn in Alexa rank database is 277110.

Desktop speed score of donga.edu.vn (25/100) is better than the results of 6.03% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of donga.edu.vn (96/100) is better than the results of 46.59% of other sites and means that the page is mobile-friendly.

Mobile speed score of donga.edu.vn (20/100) is better than the results of 4.48% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

donga.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.

donga.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.

donga.edu.vn domain is not supported

donga.edu.vn server information

Servers Location

donga.edu.vn desktop page speed rank

Last tested: 2018-11-04

Desktop Speed Bad

25/100

donga.edu.vn Desktop Speed Test Quick Summary

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priority - 18Eliminate render-blocking JavaScript and CSS in above-the-fold content

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priority - 15Reduce server response time

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priority - 5Minify HTML

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priority - 4Minify CSS

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priority - 3Leverage browser caching

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priority - 2Prioritize visible content

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donga.edu.vn Desktop Resource Breakdown

Total Resources	142
Number of Hosts	16
Static Resources	107
JavaScript Resources	40
CSS Resources	19

donga.edu.vn mobile page speed rank

Last tested: 2018-11-04

Mobile Speed Bad

20/100

donga.edu.vn Mobile Speed Test Quick Summary

priority - 143Enable compression

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priority - 72Eliminate render-blocking JavaScript and CSS in above-the-fold content

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priority - 62Optimize images

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priority - 34Minify JavaScript

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priority - 23Reduce server response time

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priority - 8Prioritize visible content

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priority - 5Minify HTML

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priority - 4Minify CSS

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priority - 4Leverage browser caching

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donga.edu.vn Mobile Resource Breakdown

Total Resources	126
Number of Hosts	11
Static Resources	100
JavaScript Resources	34
CSS Resources	18

donga.edu.vn mobile page usability

Last tested: 2018-11-04

Mobile Usability Good

96/100

donga.edu.vn Mobile Usability Test Quick Summary

priority - 3Size 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://donga.e…ung-dung-13629" class="heading-link">Hội thảo quốc…n và ứng dụng”</a> is close to 1 other tap targets.

The tap target <a href="http://donga.e…-cmcn-40-14858" class="heading-link">CLB Sách và Hà…i cảnh CMCN...</a> and 1 others are close to other tap targets.
The tap target <li class="slick-active">1</li> and 2 others are close to other tap targets.
The tap target <button id="slick-slide-control20" type="button">1</button> is close to 3 other tap targets.
The tap target <button id="slick-slide-control20" type="button">1</button> and 7 others are close to other tap targets.
The tap target <button id="slick-slide-control21" type="button">2</button> and 1 others are close to other tap targets.
The tap target <li class="">1</li> and 4 others are close to other tap targets.
The tap target <button id="slick-slide-control00" type="button">1</button> and 3 others are close to other tap targets.
The tap target <button id="slick-slide-control01" type="button">2</button> is close to 6 other tap targets.
The tap target <a href="https://m.face…onga.edu.vn%2F" class="_1drp _5lv6">Đại học Đông Á</a> is close to 1 other tap targets.
The tap target <div id="u_0_2" class="pluginConnectButton">Thích TrangĐã thích</div> is close to 1 other tap targets.

The tap target <a id="back-to-top" href="javascript:void(0)"></a> is close to 1 other tap targets.

The tap target <a href="http://donga.e…ensinh/dang-ky" class="btn-orange-13…-register item">ĐĂNG KÝ TRỰC TUYẾN NGAY</a> is close to 1 other tap targets.

The tap target <a class="facebook-chat-icon item"></a> is close to 1 other tap targets.

donga.edu.vn HTML validation

Errors

Obsolete doctype. Expected “<!DOCTYPE html>”.

Line: 3 Column: 1 - 60
"... <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <!DO..."

Stray doctype.

Line: 5 Column: 61 - 62
"...rict.dtd"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html..."

Bad value “PAGE-ENTER” for attribute “http-equiv” on element “meta”.

Line: 13 Column: 637 - 715
"...ENERAL" /><meta http-equiv="PAGE-ENTER" content="RevealTrans(Duration=0,Transition=1)" /><meta ..."

Attribute “itemprop” not allowed on element “meta” at this point.

Line: 13 Column: 716 - 767
"...ion=1)" /><meta property="og:image" itemprop="thumbnailUrl" /><meta ..."

Element “meta” is missing required attribute “content”.

Line: 13 Column: 716 - 767
"...ion=1)" /><meta property="og:image" itemprop="thumbnailUrl" /><meta ..."

The “center” element is obsolete. Use CSS instead.

Line: 62 Column: 1 - 8
".../script> <center> <tabl..." Line: 879 Column: 3 - 10
"...ormal"> <center> <div ..." Line: 909 Column: 21 - 28
"...="divIE2"><center> ..."

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

Line: 63 Column: 1 - 111
"... <center> <table border="0" cellpadding="0" cellspacing="0" width="100%" class="template_style_2012" style="height: 1px"> ..." Line: 69 Column: 4 - 84
"...n="2"> <table style="width: 100%;" cellpadding="0" cellspacing="0" id="TABLE3" class=""> <..." Line: 78 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 109 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 139 Column: 5 - 85
"...="2"> <table style="width: 100%;" cellpadding="0" cellspacing="0" id="TABLE2" class=""> ..." Line: 146 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 178 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 220 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 248 Column: 1 - 86
"...pan="1" > <table style="width: 98%;" align="center" cellpadding="0" cellspacing="0" id="TABLE4"> <..." Line: 259 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 289 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 319 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 349 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 534 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 572 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 609 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 647 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 910 Column: 18 - 152
"... <table class="template_style_2012" style="width: 980px;" cellpadding="0" cellspacing="0" id="TABLE1" onclick="return TABLE1_onclick()"> ..." Line: 918 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 997 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 1031 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..."

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

Line: 63 Column: 1 - 111
"... <center> <table border="0" cellpadding="0" cellspacing="0" width="100%" class="template_style_2012" style="height: 1px"> ..." Line: 69 Column: 4 - 84
"...n="2"> <table style="width: 100%;" cellpadding="0" cellspacing="0" id="TABLE3" class=""> <..." Line: 78 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 109 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 139 Column: 5 - 85
"...="2"> <table style="width: 100%;" cellpadding="0" cellspacing="0" id="TABLE2" class=""> ..." Line: 146 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 178 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 220 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 248 Column: 1 - 86
"...pan="1" > <table style="width: 98%;" align="center" cellpadding="0" cellspacing="0" id="TABLE4"> <..." Line: 259 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 289 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 319 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 349 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 534 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 572 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 609 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 647 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 811 Column: 9 - 90
"... <table style="width: 100%; border-bottom: dotted 1px #e5e5e7;" cellspacing="7px" ><tr> ..." Line: 910 Column: 18 - 152
"... <table class="template_style_2012" style="width: 980px;" cellpadding="0" cellspacing="0" id="TABLE1" onclick="return TABLE1_onclick()"> ..." Line: 918 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 997 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 1031 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..."

The “width” attribute on the “table” element is obsolete. Use CSS instead.

Line: 63 Column: 1 - 111
"... <center> <table border="0" cellpadding="0" cellspacing="0" width="100%" class="template_style_2012" style="height: 1px"> ..." Line: 78 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 109 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 146 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 178 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 220 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 259 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 289 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 319 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 349 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 534 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 572 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 609 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 647 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 918 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 929 Column: 3 - 48
"...ormal"> <table class="b_link" width="1000" border="0"> <..." Line: 997 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..." Line: 1031 Column: 17 - 79
"... <table border="0" cellpadding="0" cellspacing="0" width="100%"> ..."

The “border” attribute on the “table” element is obsolete. Use CSS instead.

The “valign” attribute on the “td” element is obsolete. Use CSS instead.

Line: 71 Column: 9 - 88
"...> <tr> <td id="dnn_Top_1" class="" style="width: 930px; height: 19px;" valign="middle"> ..." Line: 252 Column: 9 - 102
"...> <tr> <td id="dnn_C1" class="qcao2012" colspan="1" style="width: 248px; height: 19px;" valign="top"> ..." Line: 282 Column: 6 - 102
"... </td> <td id="dnn_C2" class="qcao2012" colspan="1" style="width: 248px; height: 19px;" valign="top"> ..." Line: 312 Column: 6 - 102
"... </td> <td id="dnn_C3" class="qcao2012" colspan="1" style="width: 248px; height: 19px;" valign="top"> ..." Line: 342 Column: 6 - 102
"... </td> <td id="dnn_C4" class="qcao2012" colspan="2" style="width: 248px; height: 19px;" valign="top"> ..." Line: 374 Column: 10 - 94
"... <tr> <td id="dnn_C5" class="" colspan="1" style="width: 248px; height: 19px;" valign="top"> ..." Line: 412 Column: 6 - 94
"... </td> <td id="dnn_C6" class="" colspan="1" style="width: 248px; height: 19px;" valign="top"> ..." Line: 450 Column: 6 - 94
"... </td> <td id="dnn_C7" class="" colspan="1" style="width: 248px; height: 19px;" valign="top"> ..." Line: 489 Column: 6 - 94
"... </td> <td id="dnn_C8" class="" colspan="2" style="width: 248px; height: 19px;" valign="top"> ..." Line: 527 Column: 9 - 95
"...> <tr> <td id="dnn_ts1" class="" colspan="1" style="width: 248px; height: 19px;" valign="top"> ..." Line: 565 Column: 6 - 95
"... </td> <td id="dnn_ts2" class="" colspan="1" style="width: 248px; height: 19px;" valign="top"> ..." Line: 602 Column: 6 - 95
"... </td> <td id="dnn_ts3" class="" colspan="1" style="width: 248px; height: 19px;" valign="top"> ..." Line: 640 Column: 6 - 95
"... </td> <td id="dnn_ts4" class="" colspan="2" style="width: 248px; height: 19px;" valign="top"> ..." Line: 679 Column: 9 - 120
"...> <tr> <td id="dnn_C9" class="" colspan="3" style="width: 746px; height: 19px; background-color:#e8e8e6;" valign="top"> ..." Line: 790 Column: 6 - 117
"... </td> <td id="dnn_C10" class="news_2013" style="width: 248px; height: 19px;background-color:#e8e8e6;" valign="top"> ..." Line: 911 Column: 26 - 111
"... <tr> <td id="dnn_b_link" colspan="3" style="height: 19px" valign="top" class="b_link"> ..." Line: 935 Column: 13 - 29
"... <tr> <td valign="top"> ..." Line: 948 Column: 18 - 29
"... </td> <td valign="top"> ..." Line: 955 Column: 18 - 29
"... </td> <td valign="top"> ..." Line: 965 Column: 18 - 29
"... </td> <td valign="top"> ..." Line: 1023 Column: 6 - 108
"... </td> <td id="dnn_Td2" class="" colspan="2" style="width: 300px; height: 24px;" valign="top"> ..."

Attribute “containerid” not allowed on element “a” at this point.

Line: 84 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4193_ModuleContent')) return false;" id="dnn_ctr4193_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4193" cookieid="_Module4193_Visible" href="javascript:__doPostBack('dnn$ctr4193$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 115 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4195_ModuleContent')) return false;" id="dnn_ctr4195_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4195" cookieid="_Module4195_Visible" href="javascript:__doPostBack('dnn$ctr4195$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 226 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr5667_ModuleContent')) return false;" id="dnn_ctr5667_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="5667" cookieid="_Module5667_Visible" href="javascript:__doPostBack('dnn$ctr5667$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 265 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4200_ModuleContent')) return false;" id="dnn_ctr4200_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4200" cookieid="_Module4200_Visible" href="javascript:__doPostBack('dnn$ctr4200$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 295 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4201_ModuleContent')) return false;" id="dnn_ctr4201_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4201" cookieid="_Module4201_Visible" href="javascript:__doPostBack('dnn$ctr4201$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 325 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4202_ModuleContent')) return false;" id="dnn_ctr4202_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4202" cookieid="_Module4202_Visible" href="javascript:__doPostBack('dnn$ctr4202$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 355 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4204_ModuleContent')) return false;" id="dnn_ctr4204_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4204" cookieid="_Module4204_Visible" href="javascript:__doPostBack('dnn$ctr4204$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 385 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4387_ModuleContent')) return false;" id="dnn_ctr4387_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4387" cookieid="_Module4387_Visible" href="javascript:__doPostBack('dnn$ctr4387$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 423 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4388_ModuleContent')) return false;" id="dnn_ctr4388_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4388" cookieid="_Module4388_Visible" href="javascript:__doPostBack('dnn$ctr4388$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 461 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4389_ModuleContent')) return false;" id="dnn_ctr4389_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4389" cookieid="_Module4389_Visible" href="javascript:__doPostBack('dnn$ctr4389$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 500 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4390_ModuleContent')) return false;" id="dnn_ctr4390_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4390" cookieid="_Module4390_Visible" href="javascript:__doPostBack('dnn$ctr4390$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 540 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4578_ModuleContent')) return false;" id="dnn_ctr4578_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4578" cookieid="_Module4578_Visible" href="javascript:__doPostBack('dnn$ctr4578$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 578 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4579_ModuleContent')) return false;" id="dnn_ctr4579_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4579" cookieid="_Module4579_Visible" href="javascript:__doPostBack('dnn$ctr4579$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 615 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4580_ModuleContent')) return false;" id="dnn_ctr4580_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4580" cookieid="_Module4580_Visible" href="javascript:__doPostBack('dnn$ctr4580$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 653 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4581_ModuleContent')) return false;" id="dnn_ctr4581_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4581" cookieid="_Module4581_Visible" href="javascript:__doPostBack('dnn$ctr4581$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 692 Column: 17 - 299
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4218_ModuleContent')) return false;" id="dnn_ctr4218_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4218" cookieid="_Module4218_Visible" href="javascript:__doPostBack('dnn$ctr4218$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 746 Column: 17 - 299
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr5546_ModuleContent')) return false;" id="dnn_ctr5546_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="5546" cookieid="_Module5546_Visible" href="javascript:__doPostBack('dnn$ctr5546$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 803 Column: 17 - 299
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4220_ModuleContent')) return false;" id="dnn_ctr4220_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4220" cookieid="_Module4220_Visible" href="javascript:__doPostBack('dnn$ctr4220$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 846 Column: 17 - 299
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr5547_ModuleContent')) return false;" id="dnn_ctr5547_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="5547" cookieid="_Module5547_Visible" href="javascript:__doPostBack('dnn$ctr5547$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 872 Column: 17 - 299
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr5545_ModuleContent')) return false;" id="dnn_ctr5545_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="5545" cookieid="_Module5545_Visible" href="javascript:__doPostBack('dnn$ctr5545$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 924 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4582_ModuleContent')) return false;" id="dnn_ctr4582_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4582" cookieid="_Module4582_Visible" href="javascript:__doPostBack('dnn$ctr4582$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 1003 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4371_ModuleContent')) return false;" id="dnn_ctr4371_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4371" cookieid="_Module4371_Visible" href="javascript:__doPostBack('dnn$ctr4371$dnnVISIBILITY$cmdVisibility','')"></a> ..." Line: 1037 Column: 15 - 297
"... <a onclick="if (__dnn_ContainerMaxMin_OnClick(this, 'dnn_ctr4373_ModuleContent')) return false;" id="dnn_ctr4373_dnnVISIBILITY_cmdVisibility" title="Đóng " containerid="4373" cookieid="_Module4373_Visible" href="javascript:__doPostBack('dnn$ctr4373$dnnVISIBILITY$cmdVisibility','')"></a> ..."

Attribute “cookieid” not allowed on element “a” at this point.

Table columns in range 2…3 established by element “td” have no cells beginning in them.

Line: 80 Column: 25 - 70
"... <tr> <td colspan="3" class="c_contentpane_footer" > ..." Line: 111 Column: 25 - 70
"... <tr> <td colspan="3" class="c_contentpane_footer" > ..." Line: 148 Column: 25 - 69
"... <tr> <td colspan="3" class="c_contentpane_Home" > ..." Line: 180 Column: 25 - 69
"... <tr> <td colspan="3" class="c_contentpane_Home" > ..." Line: 222 Column: 25 - 50
"... <tr> <td colspan="3" class="" > ..." Line: 261 Column: 25 - 50
"... <tr> <td colspan="3" class="" > ..." Line: 291 Column: 25 - 50
"... <tr> <td colspan="3" class="" > ..." Line: 321 Column: 25 - 70
"... <tr> <td colspan="3" class="c_contentpane_footer" > ..." Line: 351 Column: 25 - 70
"... <tr> <td colspan="3" class="c_contentpane_footer" > ..." Line: 536 Column: 25 - 50
"... <tr> <td colspan="3" class="" > ..." Line: 574 Column: 25 - 50
"... <tr> <td colspan="3" class="" > ..." Line: 611 Column: 25 - 50
"... <tr> <td colspan="3" class="" > ..." Line: 649 Column: 25 - 50
"... <tr> <td colspan="3" class="" > ..." Line: 920 Column: 25 - 50
"... <tr> <td colspan="3" class="" > ..." Line: 999 Column: 25 - 70
"... <tr> <td colspan="3" class="c_contentpane_footer" > ..." Line: 1033 Column: 25 - 70
"... <tr> <td colspan="3" class="c_contentpane_footer" > ..."

Table columns in range 3…5 established by element “td” have no cells beginning in them.

Line: 102 Column: 6 - 88
"... </td> <td id="dnn_lang" class="" colspan="4" style="height: 19px; text-align: center;"> ..."

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

Line: 173 Column: 7 - 70
"... <tr> <td id="dnn_menungang" class="" align="center" style="height:17px;"><a nam..."

“td” start tag in table body.

Line: 247 Column: 10 - 52
"... </tr> <td style="width: 80%; height: 58px;" colspan="1" > <tabl..."

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

Line: 248 Column: 1 - 86
"...pan="1" > <table style="width: 98%;" align="center" cellpadding="0" cellspacing="0" id="TABLE4"> <..."

Row 1 of a row group established by a “tbody” element has no cells beginning on it.

Line: 250 Column: - 9
"...> <tr> </tr> <..."

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

Line: 383 Column: 25 - 70
"... <DIV valign="top" style="margin-top: -15px;"> ..." Line: 421 Column: 25 - 70
"... <DIV valign="top" style="margin-top: -15px;"> ..." Line: 459 Column: 25 - 70
"... <DIV valign="top" style="margin-top: -15px;"> ..." Line: 498 Column: 25 - 70
"... <DIV valign="top" style="margin-top: -15px;"> ..." Line: 703 Column: 2 - 62
"... </div> <div valign="top" class="news2013" style="padding-top:7px;"> <a h..." Line: 710 Column: 2 - 62
"... </div> <div valign="top" class="news2013" style="padding-top:7px;"> <a h..." Line: 717 Column: 2 - 62
"... </div> <div valign="top" class="news2013" style="padding-top:7px;"> <a h..." Line: 757 Column: 2 - 62
"... </div> <div valign="top" class="news2013" style="padding-top:7px;"> <a h..." Line: 764 Column: 2 - 62
"... </div> <div valign="top" class="news2013" style="padding-top:7px;"> <a h..." Line: 771 Column: 2 - 62
"... </div> <div valign="top" class="news2013" style="padding-top:7px;"> <a h..."

Duplicate ID “tieude_bac”.

Line: 585 Column: 1 - 21
"... /></div> <div id="tieude_bac">tuyển ..." Line: 622 Column: 1 - 21
"... /></div> <div id="tieude_bac">VĂN BẰ..." Line: 660 Column: 1 - 21
"... /></div> <div id="tieude_bac">sau đạ..."

Duplicate ID “cssmenu”.

Line: 586 Column: 1 - 18
"...ông</div> <div id="cssmenu"> <ul> ..." Line: 623 Column: 1 - 18
"...LVH</div> <div id="cssmenu"> <ul> ..." Line: 661 Column: 1 - 18
"...học</div> <div id="cssmenu"> <ul> ..."

Bad value “148px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.

Line: 701 Column: 211 - 309
"...ult.aspx ><img class='imgStyle' height='148px' width='223px' src='/Portals/0/2018/20180316_kyket_WAI_3.jpg'/></a> ..." Line: 708 Column: 211 - 306
"...ult.aspx ><img class='imgStyle' height='148px' width='223px' src='/Portals/0/2018/20180310_HaiPhong.jpg'/></a> ..." Line: 715 Column: 211 - 311
"...ult.aspx ><img class='imgStyle' height='148px' width='223px' src='/Portals/0/2018/20180306_Cong su Nhat1.JPG'/></a> ..." Line: 755 Column: 196 - 291
"...ult.aspx ><img class='imgStyle' height='148px' width='223px' src='/Portals/21/2018/20180314_GacMa_2.JPG'/></a> ..." Line: 762 Column: 196 - 289
"...ult.aspx ><img class='imgStyle' height='148px' width='223px' src='/Portals/21/2018/20180310_VUG_5.JPG'/></a> ..." Line: 769 Column: 196 - 294
"...ult.aspx ><img class='imgStyle' height='148px' width='223px' src='/Portals/21/2018/20180310_nhiepanh_2.JPG'/></a> ..."

Bad value “223px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.

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

Bad value “/Portals/0/2018/20180306_Cong su Nhat1.JPG” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 715 Column: 211 - 311
"...ult.aspx ><img class='imgStyle' height='148px' width='223px' src='/Portals/0/2018/20180306_Cong su Nhat1.JPG'/></a> ..."

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

Line: 813 Column: 1 - 49
"... <td > <div align="justify" class="thongtin_lq_tinhot" ><span>..." Line: 816 Column: 1 - 49
"... <td > <div align="justify" class="thongtin_lq_tinhot" ><span>..." Line: 819 Column: 1 - 49
"... <td > <div align="justify" class="thongtin_lq_tinhot" ><span>..." Line: 822 Column: 1 - 49
"... <td > <div align="justify" class="thongtin_lq_tinhot" ><span>..."

Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.

Line: 853 Column: 38 - 162
"...0 5px 0;"><iframe width="100%" height="175" frameborder="0" allowfullscreen="" src="https://www.youtube.com/embed/Qwqg8fMCN3Q?ecver=1"></ifra..."

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Line: 853 Column: 38 - 162
"...0 5px 0;"><iframe width="100%" height="175" frameborder="0" allowfullscreen="" src="https://www.youtube.com/embed/Qwqg8fMCN3Q?ecver=1"></ifra..."

Table column 5 established by element “td” has no cells beginning in it.

Line: 342 Column: 6 - 102
"... </td> <td id="dnn_C4" class="qcao2012" colspan="2" style="width: 248px; height: 19px;" valign="top"> ..."

Table column 2 established by element “td” has no cells beginning in it.

Line: 68 Column: 7 - 19
"... <tr> <td colspan="2"> <t..."

The “height” attribute on the “td” element is obsolete. Use CSS instead.

Line: 932 Column: 13 - 42
"... <tr> <td colspan="4" height="30px"><stron..."

No “p” element in scope but a “p” end tag seen.

Line: 1011 Column: 1 - 4
"...span></p> </p> </di..."

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

Line: 1042 Column: 98 - 205
"...="_blank"><img src="/Portals/0/01_template/2012/connect/facebook-icon.png" alt="" width="40" hspace="5" height="40" /></a><a..." Line: 1042 Column: 276 - 373
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Table column 3 established by element “td” has no cells beginning in it.

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"... <tr> <td id="dnn_b_link" colspan="3" style="height: 19px" valign="top" class="b_link"> ..."

Forbidden code point U+0011.

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Forbidden code point U+0012.

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Duplicate ID “fb-root”.

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

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Warnings

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

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The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

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"..."> <a name="4195"></a> <..." Line: 141 Column: 23 - 37
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"... <a name="4371"></a> <..." Line: 1025 Column: 9 - 23
"... <a name="4373"></a> <..."

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

Line: 120 Column: 107 - 193
"...t="_self"><img width="20" height="13" border="0" alt="" src="/Portals/0/01_template/en-US.gif" /></a>&#..." Line: 157 Column: 62 - 148
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A table row was 5 columns wide and exceeded the column count established by the first row (0).

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"... </td> </tr> <..." Line: 677 Column: 6 - 9
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The first occurrence of ID “tieude_bac” was here.

Line: 547 Column: 1 - 21
"... /></div> <div id="tieude_bac">tuyển ..." Line: 547 Column: 1 - 21
"... /></div> <div id="tieude_bac">tuyển ..." Line: 547 Column: 1 - 21
"... /></div> <div id="tieude_bac">tuyển ..."

The first occurrence of ID “cssmenu” was here.

Line: 548 Column: 1 - 18
"... Cđ</div> <div id="cssmenu"> <ul> ..." Line: 548 Column: 1 - 18
"... Cđ</div> <div id="cssmenu"> <ul> ..." Line: 548 Column: 1 - 18
"... Cđ</div> <div id="cssmenu"> <ul> ..."

A table row was 4 columns wide and exceeded the column count established by the first row (0).

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A table row was 1 columns wide, which is less than the column count established by the first row (2).

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The first occurrence of ID “fb-root” was here.

Line: 1073 Column: 1 - 18
"...</script> <div id="fb-root"></div>..."

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donga.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.

donga.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.

DONGA.EDU.VN Đại học Đông Á - Dong A University | 0236 351 9929 | Tuyển sinh đại học Đà Nẵng

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priority - 143Enable compression

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priority - 70Optimize images

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Optimize the following images to reduce their size by 688.1KiB (32% reduction).

priority - 34Minify 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 327.9KiB (41% reduction).

priority - 18Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 11 blocking script resources and 12 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 15Reduce server response time

In our test, your server responded in 1.7 seconds.

priority - 5Minify 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 50KiB (33% reduction).

priority - 4Minify 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 35.1KiB (33% reduction).

priority - 3Leverage 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 - 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.

donga.edu.vn Desktop Resource Breakdown

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donga.edu.vn Mobile Speed Test Quick Summary

priority - 143Enable 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 1.4MiB (77% reduction).

priority - 72Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 11 blocking script resources and 12 blocking CSS resources. This causes a delay in rendering your page.

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Optimize CSS Delivery of the following:

priority - 62Optimize images

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

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priority - 34Minify JavaScript

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priority - 23Reduce server response time

In our test, your server responded in 1.7 seconds.

priority - 8Prioritize visible content

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priority - 4Minify CSS

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priority - 4Leverage browser caching

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donga.edu.vn Mobile Usability Test Quick Summary

priority - 3Size 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.

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donga.edu.vn HTML validation

Errors

Obsolete doctype. Expected “<!DOCTYPE html>”.

Stray doctype.

Bad value “PAGE-ENTER” for attribute “http-equiv” on element “meta”.

Attribute “itemprop” not allowed on element “meta” at this point.

Element “meta” is missing required attribute “content”.

The “center” element is obsolete. Use CSS instead.

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.