violympic.vn Website Information

Daily Unique Visits: 0

Daily Page Views: 0

Income Per Day: $0

Estimated Value: $9

This website is located in Viet Nam and is using following IP address 210.245.10.70. See the complete list of popular websites hosted in Viet Nam.

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

Website violympic.vn is using the following name servers:

gwen.ns.cloudflare.com
isaac.ns.cloudflare.com

and is probably hosted by Vietnam Internet Network Information Center (VNNIC). See the full list of other websites hosted by Vietnam Internet Network Information Center (VNNIC).

The highest website violympic.vn position in Alexa rank database was 13664 and the lowest rank position was 998521. Current position of violympic.vn in Alexa rank database is below 1 million.

Desktop speed score of violympic.vn (5/100) is better than the results of 0.65% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of violympic.vn (97/100) is better than the results of 49.9% of other sites and means that the page is mobile-friendly.

Mobile speed score of violympic.vn (5/100) is better than the results of 0.64% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

violympic.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.

violympic.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.

violympic.vn domain is not supported

violympic.vn server information

Servers Location

violympic.vn desktop page speed rank

Last tested: 2019-12-30

Desktop Speed Bad

5/100

violympic.vn Desktop Speed Test Quick Summary

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violympic.vn Desktop Resource Breakdown

Total Resources	107
Number of Hosts	33
Static Resources	65
JavaScript Resources	27
CSS Resources	4

violympic.vn mobile page speed rank

Last tested: 2019-12-30

Mobile Speed Bad

5/100

violympic.vn Mobile Speed Test Quick Summary

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priority - 11Leverage browser caching

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priority - 1Enable compression

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violympic.vn Mobile Resource Breakdown

Total Resources	74
Number of Hosts	20
Static Resources	54
JavaScript Resources	20
CSS Resources	3

violympic.vn mobile page usability

Last tested: 2019-12-30

Mobile Usability Good

97/100

violympic.vn Mobile Usability Test Quick Summary

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="/results">KẾT QUẢ</a> and 3 others are close to other tap targets.

The tap target <div class="react-tabs">TIN GIÁO DỤCGÓ…ầu năm học mới</div> is close to 1 other tap targets.

The tap target <div class="react-tabs">TIN GIÁO DỤCGÓ…ầu năm học mới</div> and 1 others are close to other tap targets.

The tap target <a href="/news/detail/1228/22">Thông báo về v…Violympic 2019</a> and 5 others are close to other tap targets.

The tap target <a href="/news/detail/1112/26">Trợ lý học tập…ệ Techday 2019</a> is close to 2 other tap targets.

The tap target <a href="/statistic">Xếp Hạng</a> and 4 others are close to other tap targets.

The tap target <div class="ReactModal__Ov…ay--after-open">x</div> is close to 4 other tap targets.

The tap target <div class="ReactModal__Co…nt--after-open">x</div> is close to 1 other tap targets.

The tap target <div id="player">Đạt ĐặngSubscr…y again later.</div> is close to 1 other tap targets.

The tap target <div id="player_uid_194268938_1" class="html5-video-pl…-hide-info-bar">Đạt ĐặngSubscr…y again later.</div> is close to 1 other tap targets.

The tap target <a href="//www.youtube.…orted_browsers">Click here to…t HTML5 video.</a> and 1 others are close to other tap targets.

violympic.vn HTML validation

Errors

A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.

Line: 13 Column: 163 - 230
"...án</title><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><meta ..."

Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.

Line: 37 Column: 827 - 1152
"..."4"></div><div id="" class="bm-menu-wrap " style="position:fixed;right:0;z-index:2;width:300px;height:100%;-moz-transform:translate3d(100%, 0, 0);-ms-transform:translate3d(100%, 0, 0);-o-transform:translate3d(100%, 0, 0);-webkit-transform:translate3d(100%, 0, 0);transform:translate3d(100%, 0, 0);transition:all 0.5s;" data-reactid="5"><div c..."

Bad value “/subject-class/:id([a-f0-9]{24})” for attribute “href” on element “a”: Illegal character in path segment: “[” is not allowed.

Line: 37 Column: 2041 - 2101
"...ctid="19"><a href="/subject-class/:id([a-f0-9]{24})" data-reactid="20">VÀO TH..."

Bad value “1512037375740” for attribute “datetime” on element “time”: Year out of range.

Line: 37 Column: 10345 - 10394
"...tid="173"><time datetime="1512037375740" data-reactid="174">30/11/..."

Bad value “1510597726370” for attribute “datetime” on element “time”: Year out of range.

Line: 37 Column: 10685 - 10734
"...tid="179"><time datetime="1510597726370" data-reactid="180">13/11/..."

Bad value “1510562531977” for attribute “datetime” on element “time”: Year out of range.

Line: 37 Column: 11008 - 11057
"...tid="185"><time datetime="1510562531977" data-reactid="186">13/11/..."

Bad value “1510342345287” for attribute “datetime” on element “time”: Year out of range.

Line: 37 Column: 11331 - 11380
"...tid="191"><time datetime="1510342345287" data-reactid="192">10/11/..."

Bad value “1510221505423” for attribute “datetime” on element “time”: Year out of range.

Line: 37 Column: 11669 - 11718
"...tid="197"><time datetime="1510221505423" data-reactid="198">09/11/..."

Bad value “1512036341273” for attribute “datetime” on element “time”: Year out of range.

Line: 37 Column: 12244 - 12293
"...tid="208"><time datetime="1512036341273" data-reactid="209">30/11/..."

Bad value “1510314788523” for attribute “datetime” on element “time”: Year out of range.

Line: 37 Column: 12584 - 12633
"...tid="214"><time datetime="1510314788523" data-reactid="215">10/11/..."

Bad value “1510131529217” for attribute “datetime” on element “time”: Year out of range.

Line: 37 Column: 12927 - 12976
"...tid="220"><time datetime="1510131529217" data-reactid="221">08/11/..."

Bad value “1509719349510” for attribute “datetime” on element “time”: Year out of range.

Line: 37 Column: 13271 - 13320
"...tid="226"><time datetime="1509719349510" data-reactid="227">03/11/..."

Bad value “1486997993637” for attribute “datetime” on element “time”: Year out of range.

Line: 37 Column: 13642 - 13691
"...tid="232"><time datetime="1486997993637" data-reactid="233">13/02/..."

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

Line: 37 Column: 14636 - 14659
"...tid="239"><div data-reactid="240"><li cl..."

Attribute “selected” not allowed on element “select” at this point.

Line: 37 Column: 16791 - 16862
"...72"></div><select name="classGrade" class="_13McC" selected="" data-reactid="273"><optio..."

Text not allowed in element “select” in this context.

Line: 37 Column: - 17685
"...t: 286 -->,,<!-- /..."

Element “p” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)

Line: 37 Column: 26094 - 26130
"...431"/></a><p class="_3pU4g" data-reactid="432"><span ..."

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Line: 13 Column: 825 - 925
"...hone=no"/><meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no"/><meta ..."

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

Line: 37 Column: 1547 - 1623
"...</p></div><section class="jwZoJ" style="display:block;outline:none;" data-reactid="11"><div c..." Line: 37 Column: 9591 - 9633
"...</a></div><section class="_2-ZtD" data-reactid="158"><div c..." Line: 37 Column: 16331 - 16373
"...</section><section class="_2568J" data-reactid="263"><div c..." Line: 37 Column: 24307 - 24334
"...tid="393"><section data-reactid="394"><div c..." Line: 37 Column: 24216 - 24243
"...YMPIC</h2><section data-reactid="391"><div c..." Line: 37 Column: 26525 - 26574
"...</section><section class="_1hB6K _3-eMg" data-reactid="440"><ul cl..." Line: 37 Column: 27804 - 27853
"...</section><section class="_3toea _3-eMg" data-reactid="470"><ul cl..."

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violympic.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.

violympic.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.

VIOLYMPIC.VN Violympic - Toán

violympic.vn Website Information

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violympic.vn Alexa Rank

violympic.vn whois

violympic.vn server information

Servers Location

violympic.vn desktop page speed rank

violympic.vn Desktop Speed Test Quick Summary

priority - 602Optimize images

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

Optimize the following images to reduce their size by 5.7MiB (96% reduction).

priority - 8Leverage 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 - 1Enable compression

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

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violympic.vn Desktop Resource Breakdown

violympic.vn mobile page speed rank

violympic.vn Mobile Speed Test Quick Summary

priority - 606Optimize images

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

Optimize the following images to reduce their size by 5.8MiB (97% reduction).

priority - 11Leverage 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 - 1Enable 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 11.7KiB (50% reduction).

violympic.vn Mobile Resource Breakdown

violympic.vn mobile page usability

violympic.vn Mobile Usability Test Quick Summary

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.

violympic.vn HTML validation

Errors

A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.

Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.

Bad value “/subject-class/:id([a-f0-9]{24})” for attribute “href” on element “a”: Illegal character in path segment: “[” is not allowed.

Bad value “1512037375740” for attribute “datetime” on element “time”: Year out of range.

Bad value “1510597726370” for attribute “datetime” on element “time”: Year out of range.

Bad value “1510562531977” for attribute “datetime” on element “time”: Year out of range.

Bad value “1510342345287” for attribute “datetime” on element “time”: Year out of range.

Bad value “1510221505423” for attribute “datetime” on element “time”: Year out of range.

Bad value “1512036341273” for attribute “datetime” on element “time”: Year out of range.

Bad value “1510314788523” for attribute “datetime” on element “time”: Year out of range.

Bad value “1510131529217” for attribute “datetime” on element “time”: Year out of range.

Bad value “1509719349510” for attribute “datetime” on element “time”: Year out of range.

Bad value “1486997993637” for attribute “datetime” on element “time”: Year out of range.

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

Attribute “selected” not allowed on element “select” at this point.

Text not allowed in element “select” in this context.

Element “p” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

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

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