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priority - 83Leverage browser caching

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http://gdnn.gov.vn/Resources/Shared/Scripts/jquery/jquery.min.js (expiration not specified)
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priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 13 blocking script resources and 19 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://gdnn.gov.vn/Resources/Shared/Scripts/jquery/jquery.min.js
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http://gdnn.gov.vn/js/dnncore.js
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http://gdnn.gov.vn/js/dnn.js
http://gdnn.gov.vn/js/dnn.xml.js
http://gdnn.gov.vn/js/dnn.xml.jsparser.js
http://gdnn.gov.vn/js/dnn.xmlhttp.js
http://gdnn.gov.vn/js/dnn.xmlhttp.jsxmlhttprequest.js
http://gdnn.gov.vn/Portals/_default/Skins/Red_1.0/js/datetime.js
http://gdnn.gov.vn/Portals/_default/Skins/Red_1.0/js/swipe.js
http://gdnn.gov.vn/DesktopModules/AICommon/js/Date…layCurrentTimevi-VN.js

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http://gdnn.gov.vn/Portals/_default/Skins/Red_1.0/Home.css
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http://gdnn.gov.vn/Portals/0/Templates/htmlEditorTemplates.css
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http://gdnn.gov.vn/DesktopModules/AIMenus/Skins/Default/ModuleMenus.css
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http://gdnn.gov.vn/Portals/_default/Skins/Red_1.0/css/style.css
http://gdnn.gov.vn/Portals/_default/Skins/Red_1.0/css/menu.css
http://gdnn.gov.vn/Portals/_default/Skins/Red_1.0/css/slider.css

priority - 3Reduce server response time

priority - 3Minify JavaScript

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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.

71.3KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. Prioritize the above-the-fold content so that it can be rendered with only the first 2 round-trips' worth of HTML.

Only about 18% of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.

priority - 1Minify CSS

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gdnn.gov.vn Desktop Resource Breakdown

Total Resources	184
Number of Hosts	2
Static Resources	169
JavaScript Resources	26
CSS Resources	21

gdnn.gov.vn mobile page speed rank

Last tested: 2018-02-10

Mobile Speed Bad

0/100

gdnn.gov.vn Mobile Speed Test Quick Summary

priority - 1272Optimize images

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priority - 124Leverage 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 - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 13 blocking script resources and 19 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 8Prioritize 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.

71.3KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. Prioritize the above-the-fold content so that it can be rendered with only the first 2 round-trips' worth of HTML.

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priority - 3Reduce server response time

priority - 3Minify JavaScript

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Minify JavaScript for the following resources to reduce their size by 24.5KiB (27% reduction).

Minifying http://gdnn.gov.vn/ScriptResource.axd?d=I4NZ3XJcCW…RITMQud-EQ2&t=3d6efc1f could save 9.8KiB (22% reduction) after compression.
Minifying http://gdnn.gov.vn/Portals/_default/Skins/Red_1.0/js/jcarousel.js could save 3.3KiB (75% reduction) after compression.
Minifying http://gdnn.gov.vn/ScriptResource.axd?d=opOdJHAKYL…eJqXb3iXa50&t=3d6efc1f could save 2.8KiB (19% reduction) after compression.
Minifying http://gdnn.gov.vn/Resources/Shared/scripts/widgets.js?_=1518309092504 could save 1.6KiB (53% reduction) after compression.
Minifying http://gdnn.gov.vn/Portals/_default/Skins/Red_1.0/js/jquery.nivo.slider.js could save 1.6KiB (34% reduction) after compression.
Minifying http://gdnn.gov.vn/Portals/_default/Skins/Red_1.0/js/swipe.js could save 1.6KiB (42% reduction) after compression.
Minifying http://gdnn.gov.vn/Resources/Shared/scripts/DotNet…red.js?_=1518309092502 could save 1.3KiB (48% reduction) after compression.
Minifying http://gdnn.gov.vn/DesktopModules/AIMenus/Js/main.js could save 872B (37% reduction) after compression.
Minifying http://gdnn.gov.vn/js/dnncore.js could save 744B (22% reduction) after compression.
Minifying http://gdnn.gov.vn/WebResource.axd?d=pAPtG1jKMnMDP…0&t=636355159360000000 could save 620B (14% reduction) after compression.
Minifying http://gdnn.gov.vn/DesktopModules/AICommon/js/jquery.pngFix.pack.js could save 171B (14% reduction) after compression.
Minifying http://gdnn.gov.vn/Portals/_default/Skins/Red_1.0/js/datetime.js could save 114B (16% reduction) after compression.

priority - 1Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 6.9KiB (19% reduction).

gdnn.gov.vn Mobile Resource Breakdown

Total Resources	184
Number of Hosts	2
Static Resources	169
JavaScript Resources	26
CSS Resources	21

gdnn.gov.vn mobile page usability

Last tested: 2018-02-10

Mobile Usability Medium

66/100

gdnn.gov.vn Mobile Usability Test Quick Summary

priority - 40Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

ブーツカジュアル and 11 others render only 5 pixels tall (12 CSS pixels).

Thứ Bảy, Ngày 10/2/2018 renders only 5 pixels tall (12 CSS pixels).

English and 1 others render only 4 pixels tall (11 CSS pixels).

eoffice renders only 4 pixels tall (11 CSS pixels).

eTV renders only 4 pixels tall (11 CSS pixels).

TRANG CHỦ renders only 4 pixels tall (11 CSS pixels).

LUẬT GIÁO DỤC NGHỀ NGHIỆP and 6 others render only 4 pixels tall (11 CSS pixels).

Tổng cục Giáo…Mậu Tuất 2018 renders only 6 pixels tall (16 CSS pixels).

(8/2/2018) renders only 5 pixels tall (12 CSS pixels).

Trong không kh…vực dạy nghề. renders only 5 pixels tall (12 CSS pixels).

Nổi bật renders only 6 pixels tall (15 CSS pixels).

Ban cán sự Đản…triển khai... and 4 others render only 5 pixels tall (12 CSS pixels).

(30/1/2018) and 4 others render only 5 pixels tall (12 CSS pixels).

THI TAY NGHỀ Q…AN VÀ THẾ GIỚI and 3 others render only 5 pixels tall (12 CSS pixels).

Hội thảo “Khóa…o nhà giáo,... and 3 others render only 5 pixels tall (12 CSS pixels).

Hội thảo “Khóa…o nhà giáo,... and 3 others render only 4 pixels tall (11 CSS pixels).

Xây dựng hệ th…ới quản trị... and 11 others render only 4 pixels tall (11 CSS pixels).

CÁC TRƯỜNG PHÁ…CHẤT LƯỢNG CAO and 2 others render only 5 pixels tall (12 CSS pixels).
Chuyên đề renders only 5 pixels tall (12 CSS pixels).
31/01/2018 3:15:01 CH renders only 4 pixels tall (11 CSS pixels).
Lao động và cô…ục nghề nghiệp renders only 5 pixels tall (13 CSS pixels).
Các sự kiện nổ…ực giáo dục... and 3 others render only 5 pixels tall (12 CSS pixels).
ẤN PHẨM ĐIỆN TỬ renders only 5 pixels tall (12 CSS pixels).
Xem tất cả renders only 5 pixels tall (12 CSS pixels).
Thông tin dạy…động tiêu biểu and 1 others render only 5 pixels tall (12 CSS pixels).
Ebook and 1 others render only 5 pixels tall (12 CSS pixels).
Đọc Online and 3 others render only 5 pixels tall (12 CSS pixels).
Xem tất cả renders only 5 pixels tall (12 CSS pixels).
Hội giảng Giáo…quốc năm 2015 and 3 others render only 5 pixels tall (12 CSS pixels).

CHỈ ĐẠO ĐIỀU HÀNH renders only 5 pixels tall (12 CSS pixels).

V/v tăng cường…ghiệp năm 2018 and 4 others render only 5 pixels tall (12 CSS pixels).

Thống kê truy cập and 1 others render only 7 pixels tall (18 CSS pixels).

Lượt truy cập and 1 others render only 5 pixels tall (12 CSS pixels).
959289 and 1 others render only 5 pixels tall (12 CSS pixels).
• Nghiên cứu - Trao đổi and 6 others render only 5 pixels tall (12 CSS pixels).
Giấy phép thiế…gày 02/10/2014 and 4 others render only 5 pixels tall (12 CSS pixels).
Tổng cục Giáo dục nghề nghiệp renders only 5 pixels tall (12 CSS pixels).

priority - 10Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

priority - 2Size 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://diploma…hoes-2600.html">ウォーキング靴</a> and 11 others are close to other tap targets.

The tap target <a href="http://en.tcdn.gov.vn">English</a> and 1 others are close to other tap targets.

The tap target <a href="http://eoffice.tcdn.gov.vn" class="wapsite">eoffice</a> is close to 1 other tap targets.

The tap target <a href="/default.aspx?tabid=105" class="etv">eTV</a> is close to 2 other tap targets.

The tap target <input id="dnn_ctr979_Sea…Home_btnSearch" type="submit" name="dnn$ctr979$Sea…Home$btnSearch"> is close to 1 other tap targets.

The tap target <a href="/Default.aspx?…d=65&catid=612">TIN TỔNG HỢP</a> and 3 others are close to other tap targets.

The tap target <a href="http://gdnn.go…5/Default.aspx" class="img"></a> and 1 others are close to other tap targets.

The tap target <a href="/default.aspx?tabid=105" class="chuyende">Chuyên đề</a> is close to 2 other tap targets.
The tap target <a href="/default.aspx?tabid=212" class="viewall">Xem tất cả</a> is close to 1 other tap targets.
The tap target

<a id="dnn_ctr1113_To…b_title_link_0" href="http://gdnn.go…2/Default.aspx">Báo cáo dạy nghề Việt Nam 2012</a>

is close to 2 other tap targets.
The tap target <a class="pre">prev</a> is close to 2 other tap targets.
The tap target <a class="next">next</a> is close to 2 other tap targets.
The tap target <a href="/default.aspx?tabid=95" class="viewall">Xem tất cả</a> is close to 1 other tap targets.
The tap target <a href="http://gdnn.go…6/Default.aspx">Kỳ thi tay ngh…hứ XI năm 2016</a> and 3 others are close to other tap targets.
The tap target <a class="pre">prev</a> is close to 1 other tap targets.
The tap target <a class="next">next</a> is close to 1 other tap targets.
The tap target <a href="/tabid/228/Default.aspx">CÁC TRƯỜNG PHÁ…CHẤT LƯỢNG CAO</a> is close to 1 other tap targets.
The tap target <a href="javascript:;" class="left"></a> and 1 others are close to other tap targets.

The tap target <a href="/AIAdmin/AIDoc…9/Default.aspx" class="text">V/v thông báo văn bản mới</a> is close to 2 other tap targets.

The tap target <a href="/Default.aspx?…midclicked=458">• Tin tức</a> and 1 others are close to other tap targets.

gdnn.gov.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"> <!DO..."

Stray doctype.

Line: 4 Column: 122 - 62
"...onal.dtd"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html..."

Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.

Line: 12 Column: 70 - 136
"...t-Type" /><meta content="text/javascript" http-equiv="Content-Script-Type" /><meta ..."

Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.

Line: 12 Column: 137 - 195
"...t-Type" /><meta content="text/css" http-equiv="Content-Style-Type" /><meta ..."

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

Line: 12 Column: 906 - 984
"...ENERAL" /><meta http-equiv="PAGE-ENTER" content="RevealTrans(Duration=0,Transition=1)" /><style..."

Stray end tag “link”.

Line: 12 Column: 1699 - 1705
"...text/css"></LINK><LINK ..." Line: 12 Column: 1825 - 1831
"...text/css"></LINK><LINK ..." Line: 12 Column: 1954 - 1960
"...text/css"></LINK><LINK ..." Line: 12 Column: 2085 - 2091
"...text/css"></LINK><LINK ..." Line: 12 Column: 2221 - 2227
"...text/css"></LINK><LINK ..." Line: 12 Column: 2356 - 2362
"...text/css"></LINK><link ..."

The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “g” instead.

Line: 94 Column: 1 - 9
"...hedate(); </script> <div..."

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

Line: 102 Column: 1 - 48
"...975"></a> <div id="dnn_ctr975_ContentPane" align="center"><!-- S..." Line: 118 Column: 1 - 48
"...979"></a> <div id="dnn_ctr979_ContentPane" align="center"><!-- S..." Line: 141 Column: 1 - 48
"...974"></a> <div id="dnn_ctr974_ContentPane" align="center"><!-- S..." Line: 341 Column: 1 - 49
"...042"></a> <div id="dnn_ctr1042_ContentPane" align="center"><!-- S..." Line: 418 Column: 1 - 49
"...120"></a> <div id="dnn_ctr1120_ContentPane" align="center"><!-- S..."

Attribute “sssonclientclick” not allowed on element “input” at this point.

Line: 132 Column: 22 - 166
"...ass="btn"><input type="submit" name="dnn$ctr979$SearchHome$btnSearch" value="" id="dnn_ctr979_SearchHome_btnSearch" sssOnClientClick="return validate()" /></div>..."

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

Line: 145 Column: 1 - 24
"...</script> <style type="text/css" > ...."

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

Line: 152 Column: 42 - 70
"...bTopMenu"><div id="centeredContentDiv"><div i..."

No space between attributes.

Line: 152 Column: - 2541
"..."href="/Default.aspx?tabid=82&..."

Bad value “http://” for attribute “href” on element “a”: Invalid host: empty host.

Line: 387 Column: 17 - 74
"... <a id='slide63' href='http://' target="_blank" style="display: none" > ..."

Bad value “/Portals/0/Slides/Banner tuyen sinh.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 389 Column: 21 - 77
"... <img alt='7' src='/Portals/0/Slides/Banner tuyen sinh.png' border="0"> ..."

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

Line: 423 Column: 10 - 112
"... <img src="http://media.baodansinh.vn/Images/2018/08/09/vanlypv/IMG_7059.JPG" width="330" height="250"/> ..." Line: 440 Column: 14 - 91
"... <img src="/Portals/0/Anh tin bai/0 0 THANG 08 2018/To cong tac 003_Ok.png" /> ..."

Bad value “/Portals/0/Anh tin bai/0 0 THANG 08 2018/To cong tac 003_Ok.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 440 Column: 14 - 91
"... <img src="/Portals/0/Anh tin bai/0 0 THANG 08 2018/To cong tac 003_Ok.png" /> ..."

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

Line: 441 Column: 12 - 17
"... </div> ..."

Unclosed element “a”.

Line: 439 Column: 23 - 218
"...ass='img'><a href='http://gdnn.gov.vn/AIAdmin/News/View/tabid/66/newsid/36868/seo/To-cong-tac-gan-ket-giao-duc-nghe-nghiep-voi-thi-truong-lao-dong-va-viec-lam-ben-vung-to-chuc-phien-hop-dau--/Default.aspx'> ..."

Start tag “a” seen but an element of the same type was already open.

Line: 442 Column: 24 - 219
"...ss='text'><a href='http://gdnn.gov.vn/AIAdmin/News/View/tabid/66/newsid/36868/seo/To-cong-tac-gan-ket-giao-duc-nghe-nghiep-voi-thi-truong-lao-dong-va-viec-lam-ben-vung-to-chuc-phien-hop-dau--/Default.aspx'>Tổ côn..."

End tag “a” violates nesting rules.

Cannot recover after last error. Any further errors will be ignored.

Warnings

Text run is not in Unicode Normalization Form C.

Line: 47 Column: 1 - 1972
"...<![CDATA[ var __cultureInfo = {"name":"vi-VN","numberFormat":{"CurrencyDecimalDigits":2,"CurrencyDecimalSeparator":",","IsReadOnly":false,"CurrencyGroupSizes":[3],"NumberGroupSizes":[3],"PercentGroupSizes":[3],"CurrencyGroupSeparator":".","CurrencySymbol":"₫","NaNSymbol":"NaN","CurrencyNegativePattern":8,"NumberNegativePattern":1,"PercentPositivePattern":0,"PercentNegativePattern":0,"NegativeInfinitySymbol":"-Infinity","NegativeSign":"-","NumberDecimalDigits":2,"NumberDecimalSeparator":",","NumberGroupSeparator":".","CurrencyPositivePattern":3,"PositiveInfinitySymbol":"Infinity","PositiveSign":"+","PercentDecimalDigits":2,"PercentDecimalSeparator":",","PercentGroupSeparator":".","PercentSymbol":"%","PerMilleSymbol":"‰","NativeDigits":["0","1","2","3","4","5","6","7","8","9"],"DigitSubstitution":1},"dateTimeFormat":{"AMDesignator":"SA","Calendar":{"MinSupportedDateTime":"\/Date(-62135596800000)\/","MaxSupportedDateTime":"\/Date(253402275599999)\/","AlgorithmType":1,"CalendarType":1,"Eras":[1],"TwoDigitYearMax":2029,"IsReadOnly":false},"DateSeparator":"/","FirstDayOfWeek":1,"CalendarWeekRule":0,"FullDateTimePattern":"dd MMMM yyyy h:mm:ss tt","LongDatePattern":"dd MMMM yyyy","LongTimePattern":"h:mm:ss tt","MonthDayPattern":"dd MMMM","PMDesignator":"CH","RFC1123Pattern":"ddd, dd MMM yyyy HH\u0027:\u0027mm\u0027:\u0027ss \u0027GMT\u0027","ShortDatePattern":"dd/MM/yyyy","ShortTimePattern":"h:mm tt","SortableDateTimePattern":"yyyy\u0027-\u0027MM\u0027-\u0027dd\u0027T\u0027HH\u0027:\u0027mm\u0027:\u0027ss","TimeSeparator":":","UniversalSortableDateTimePattern":"yyyy\u0027-\u0027MM\u0027-\u0027dd HH\u0027:\u0027mm\u0027:\u0027ss\u0027Z\u0027","YearMonthPattern":"MMMM yyyy","AbbreviatedDayNames":["CN","T2","T3","Tư","Năm","Sáu","Bảy"],"ShortestDayNames":["C","H","B","T","N","S","B"],"DayNames":["Chủ Nhật","Thứ Hai","Thứ Ba","Thứ Tư","Thứ Năm","Thứ Sáu","Thứ Bảy"],"AbbreviatedMonthNames":["Thg1","Thg2","Thg3","Thg4","Thg5","Thg6","Thg7","Thg8","Thg..." Line: 152 Column: 3969 - 3998
"...p luật</a><a onmouseout="hideOldLevel3(this)"..." Line: 152 Column: 4162 - 4191
"...ành</a><a onmouseout="hideOldLevel3(this)" cl..."

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

Line: 76 Column: 1 - 80
"...</script> <script language="javascript" src='/Portals/_default/Skins/Red_1.0/js/swipe.js'></scri..." Line: 120 Column: 1 - 54
"...HomeC"> <script language="javascript" type="text/javascript" > f..."

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

Line: 101 Column: 94 - 107
"...dule-975"><a name="975"></a> <..." Line: 109 Column: 63 - 76
"...dule-976"><a name="976"></a></..." Line: 117 Column: 104 - 117
"...dule-979"><a name="979"></a> <..." Line: 140 Column: 91 - 104
"...dule-974"><a name="974"></a> <..." Line: 340 Column: 101 - 115
"...ule-1042"><a name="1042"></a> <..." Line: 417 Column: 111 - 125
"...ule-1120"><a name="1120"></a> <..."

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

Line: 383 Column: 21 - 65
"... <img alt='Giờ thực hành của học sinh trường nghề' src='/Portals/0/Slides/slide.jpg' border="0"> ..." Line: 389 Column: 21 - 77
"... <img alt='7' src='/Portals/0/Slides/Banner tuyen sinh.png' border="0"> ..."

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gdnn.gov.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.

gdnn.gov.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.

GDNN.GOV.VN Website Information

gdnn.gov.vn Website Information

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gdnn.gov.vn server information

Servers Location

gdnn.gov.vn desktop page speed rank

gdnn.gov.vn Desktop Speed Test Quick Summary

priority - 1662Optimize images

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

Optimize the following images to reduce their size by 15.9MiB (91% reduction).

priority - 83Leverage 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 - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 13 blocking script resources and 19 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 3Reduce server response time

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 24.5KiB (27% reduction).

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.

71.3KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. Prioritize the above-the-fold content so that it can be rendered with only the first 2 round-trips' worth of HTML.

priority - 1Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 6.9KiB (19% reduction).

gdnn.gov.vn Desktop Resource Breakdown

gdnn.gov.vn mobile page speed rank

gdnn.gov.vn Mobile Speed Test Quick Summary

priority - 1272Optimize images

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

Optimize the following images to reduce their size by 12.1MiB (94% reduction).

priority - 124Leverage 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 - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 13 blocking script resources and 19 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 8Prioritize 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.

71.3KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. Prioritize the above-the-fold content so that it can be rendered with only the first 2 round-trips' worth of HTML.

priority - 3Reduce server response time

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 24.5KiB (27% reduction).

priority - 1Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 6.9KiB (19% reduction).

gdnn.gov.vn Mobile Resource Breakdown

gdnn.gov.vn mobile page usability

gdnn.gov.vn Mobile Usability Test Quick Summary

priority - 40Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

priority - 10Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

priority - 2Size 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.

gdnn.gov.vn HTML validation

Errors

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

Stray doctype.

Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.

Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.

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

Stray end tag “link”.

The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “g” instead.

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

Attribute “sssonclientclick” not allowed on element “input” at this point.

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

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

No space between attributes.

Bad value “http://” for attribute “href” on element “a”: Invalid host: empty host.

Bad value “/Portals/0/Slides/Banner tuyen sinh.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

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