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koolearn.com Website Information

Daily Unique Visits: 54,594

Daily Page Views: 327,564

Income Per Day: $655

Estimated Value: $471,600

koolearn.com is registered under .COM top-level domain. Please check other sites in .COM zone.

No name server records were found.

and is probably hosted by ACEVILLE PTE.LTD.. See the full list of other websites hosted by ACEVILLE PTE.LTD..

The highest website koolearn.com position in Alexa rank database was 17148 and the lowest rank position was 26381. Current position of koolearn.com in Alexa rank database is 26271.

Desktop speed score of koolearn.com (8/100) is better than the results of 1.14% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of koolearn.com (61/100) is better than the results of 5.47% of other sites and means that the page is not mobile-friendly.

Mobile speed score of koolearn.com (42/100) is better than the results of 21.5% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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koolearn.com 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.


koolearn.com 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.


Domain Name: KOOLEARN.COM
Registry Domain ID: 156416185_DOMAIN_COM-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://www.net.cn
Updated Date: 2024-04-18T11:46:40Z
Creation Date: 2005-05-11T09:47:13Z
Registry Expiry Date: 2033-05-11T09:47:13Z
Registrar: Alibaba Cloud Computing (Beijing) Co., Ltd.
Registrar IANA ID: 420
Registrar Abuse Contact Email: DomainAbuse@service.aliyun.com
Registrar Abuse Contact Phone: +86.95187
Domain Status: ok https://icann.org/epp#ok
Name Server: NS3.DNSV5.COM
Name Server: NS4.DNSV5.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-10T21:45:42Z

koolearn.com server information

Servers Location

koolearn.com desktop page speed rank

Last tested: 2018-08-07


Desktop Speed Bad
8/100

koolearn.com Desktop Speed Test Quick Summary


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priority - 1Reduce server response time

priority - 1Minify HTML

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koolearn.com Desktop Resource Breakdown

Total Resources180
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JavaScript Resources45
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koolearn.com mobile page speed rank

Last tested: 2019-12-06


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koolearn.com Mobile Resource Breakdown

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koolearn.com mobile page usability

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priority - 37Use 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.

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priority - 14Size tap targets appropriately

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priority - 6Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

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

Line: 1407 Column: 81 - 86
"... <span></span..." Line: 1409 Column: 33 - 38
"... <span></span..." Line: 1411 Column: 33 - 38
"... <span></span..." Line: 1413 Column: 33 - 38
"... <span></span..." Line: 1415 Column: 33 - 38
"... <span></span..." Line: 1417 Column: 33 - 38
"... <span></span..." Line: 1419 Column: 33 - 38
"... <span></span..."

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

Line: 1422 Column: 17 - 68
"... <div class="p-move-bottom-wrap jp-move-bottom-wrap"> ..."

Bad value “” for attribute “src” on element “img”: Must be non-empty.

Line: 1440 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1473 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1493 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1514 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1533 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1582 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1600 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1619 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1637 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1657 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1676 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1695 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1714 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1748 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1796 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1814 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1832 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1850 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1870 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1888 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1906 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1924 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1944 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..." Line: 1962 Column: 29 - 86
"... <img src="" alt="" class="p-teacher-icon jp-teacher-icon"> ..."

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

Line: 2004 Column: 21 - 114
"... <img class="hot-bar-slide-box__img" src="//file.koolearn.com/2017/1122/20171122102325686.jpg"> ..." Line: 2011 Column: 21 - 130
"... <img class="hot-bar-slide-box__img" src="//images.koolearn.com/fe_upload/2017/12/2017-12-1-1512113861385.png"> ..." Line: 2119 Column: 9 - 146
"...> <img class="capital-ti__img" src="//images.koolearn.com/shark/project/zt/2017/0918koolearn-home-gf/i/content/why-choose-title.png?cf9c3e"> <..." Line: 2124 Column: 17 - 156
"... <img class="capital-list-box__img" src="//images.koolearn.com/shark/project/zt/2017/0918koolearn-home-gf-demo/i/content/why_one.png?e96503"> ..." Line: 2133 Column: 17 - 156
"... <img class="capital-list-box__img" src="//images.koolearn.com/shark/project/zt/2017/0918koolearn-home-gf-demo/i/content/why_two.png?481493"> ..." Line: 2142 Column: 17 - 158
"... <img class="capital-list-box__img" src="//images.koolearn.com/shark/project/zt/2017/0918koolearn-home-gf-demo/i/content/why_three.png?b8ddb5"> ..." Line: 2151 Column: 17 - 157
"... <img class="capital-list-box__img" src="//images.koolearn.com/shark/project/zt/2017/0918koolearn-home-gf-demo/i/content/why_four.png?346e1e"> ..." Line: 2170 Column: 82 - 191
"...koolearn"><img src="//images.koolearn.com/shark/project/zt/2017/0918koolearn-home-gf/i/content/outfit_duona.png?3236a6"></a></..." Line: 2172 Column: 25 - 134
"... 51"><img src="//images.koolearn.com/shark/project/zt/2017/0918koolearn-home-gf/i/content/outfit_zhibo.png?7c8292"></a></..." Line: 2173 Column: 85 - 194
"...koolearn"><img src="//images.koolearn.com/shark/project/zt/2017/0918koolearn-home-gf/i/content/outfit_pigai.png?485b5e"></a></..." Line: 2174 Column: 88 - 200
"...koolearn"><img src="//images.koolearn.com/shark/project/zt/2017/0918koolearn-home-gf/i/content/outfit_zhishang.png?929117"></a></..."

Bad value “http://www.koo.cn/?a_id=ff8080814c68afa5014c68b151be0001&kid=ff8080814eb76501014eb8fe08e21c42 51” for attribute “href” on element “a”: Tab, new line or carriage return found.

Line: 2172 Column: 21 - 24
"... <li><a target="_blank" href="http://www.koo.cn/?a_id=ff8080814c68afa5014c68b151be0001&kid=ff8080814eb76501014eb8fe08e21c42 51"><img s..."

Duplicate attribute “target”.

Line: 2276 Column: - 379
"...52.html" target="_blank">京网文(2..." Line: 2278 Column: - 171
"...256341X" target="_blank"><img ..." Line: 2279 Column: - 114
"...xdf.cn/" target="_blank"><img ..."

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

Line: 2318 Column: 1 - 23
"...</script> <style type="text/css"> #..."

Warnings

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

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"...v> <!--轮播图--end--> <!--..." Line: 176 Column: - 13
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"... <!--导航 --start--> <div c..." Line: 210 Column: - 24
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"... <!--查询 -- start--> <div ..." Line: 218 Column: - 24
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"...v> <!--菜单--end--> </div> <..." Line: 2025 Column: - 19
"... <!--热门课程--start--> ..." Line: 2114 Column: - 19
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koolearn.com 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.


koolearn.com 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.