ef.com.cn Website Information

Daily Unique Visits: 5,024

Daily Page Views: 20,096

Income Per Day: $56

Estimated Value: $30,240

ef.com.cn is registered under .CN top-level domain. Please check other sites in .CN zone.

No name server records were found.

and is probably hosted by CNNIC-TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Limited, CN. See the full list of other websites hosted by CNNIC-TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Limited, CN.

The highest website ef.com.cn position in Alexa rank database was 1282 and the lowest rank position was 987891. Current position of ef.com.cn in Alexa rank database is 249783.

Desktop speed score of ef.com.cn (71/100) is better than the results of 52.66% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of ef.com.cn (100/100) is better than the results of 100% of other sites and means that the page is mobile-friendly.

Mobile speed score of ef.com.cn (50/100) is better than the results of 33.92% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

ef.com.cn 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.

ef.com.cn 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: ef.com.cn
ROID: 20030610s10011s00258370-cn
Domain Status: clientTransferProhibited
Registrant: 上海英培商务咨询有限公司
Registrant Contact Email: domainadmintl@ef.com
Sponsoring Registrar: 阿里云计算有限公司（万网）
Name Server: ns226.dns.cf-ns.net
Name Server: ns26.dns.cf-ns.com
Registration Time: 2003-06-10 10:44:39
Expiration Time: 2025-06-10 10:44:39
DNSSEC: unsigned

ef.com.cn server information

Servers Location

ef.com.cn desktop page speed rank

Last tested: 2017-06-03

Desktop Speed Medium

71/100

ef.com.cn Desktop Speed Test Quick Summary

priority - 24Optimize images

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

Your page has 3 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://cnc.ef-cdn.com/englishfirst/ETFileMergeHand…tT98XvuJw%3d%3d&v=21-1
http://www.ef.com.cn/englishfirst/Assets/3rdLibs/J…y/jquery.qrcode.min.js
http://www.ef.com.cn/englishfirst/Assets/JS/header/tracking.js

Optimize CSS Delivery of the following:

http://cnce1m.ef-cdn.com/englishfirst/_styles/comm…&agent=Chrome41&v=21-1
http://cnce1m.ef-cdn.com/englishfirst/_styles/temp…&agent=Chrome41&v=21-1
http://cnce1m.ef-cdn.com/englishfirst/_styles/jque…&agent=Chrome41&v=21-1
http://cnce1m.ef-cdn.com/englishfirst/_styles/news…&agent=Chrome41&v=21-1

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.

http://ef.com.cn/
http://www.ef.com.cn/
http://www.ef.com.cn/englishfirst/default.aspx

priority - 2Leverage 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:

http://www.ef.com.cn/englishfirst/Assets/3rdLibs/J…y/jquery.qrcode.min.js (expiration not specified)
http://www.ef.com.cn/englishfirst/Assets/JS/header/tracking.js (expiration not specified)
http://www.googletagmanager.com/gtm.js?id=GTM-5QQBWQ (15 minutes)
http://www.google-analytics.com/analytics.js (2 hours)

priority - 0Minify 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 2.4KiB (15% reduction).

Minifying http://cnce1m.ef-cdn.com/_omniture/s_code.aspx?mkt=cn could save 2.4KiB (15% reduction) after compression.

priority - 0Minify CSS

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

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priority - 0Minify 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 1.2KiB (11% reduction).

Minifying http://www.ef.com.cn/englishfirst/default.aspx could save 1.2KiB (11% reduction) after compression.

ef.com.cn Desktop Resource Breakdown

Total Resources	46
Number of Hosts	8
Static Resources	38
JavaScript Resources	8
CSS Resources	3

ef.com.cn mobile page speed rank

Last tested: 2017-05-24

Mobile Speed Bad

50/100

ef.com.cn Mobile Speed Test Quick Summary

priority - 37Optimize images

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priority - 35Avoid landing page redirects

Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.

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http://ef.com.cn/
http://www.ef.com.cn/
http://www.ef.com.cn/englishfirst/default.aspx
http://m.ef.com.cn/englishfirst/mobile

priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

http://cnce1m.ef-cdn.com/englishfirst/css/jquerymo…lUtZKLjY_WkfDr7Fq2p2w1

priority - 2Leverage 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.

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http://api.map.baidu.com/?qt=verify&ak=631E83D625b…ack=BMap._rd._cbk41589 (6 hours)
http://api.map.baidu.com/components?ak=631E83D625b…2ee3df2195c87c92&v=1.0 (6 hours)

priority - 2Reduce server response time

priority - 0Minify HTML

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ef.com.cn Mobile Resource Breakdown

Total Resources	44
Number of Hosts	12
Static Resources	33
JavaScript Resources	17
CSS Resources	3

ef.com.cn mobile page usability

Last tested: 2017-05-24

Mobile Usability Good

100/100

ef.com.cn HTML validation

Errors

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

Line: 3 Column: 1 - 121
"... <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <htm..."

Attribute “master” not allowed on element “html” at this point.

Line: 5 Column: 122 - 65
"...onal.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" master="blank.master"> <head..."

Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.

Line: 8 Column: 9 - 66
"...家 </title><meta http-equiv="Cache-Control" content="no-transform" /><meta ..." Line: 8 Column: 67 - 122
"...nsform" /><meta http-equiv="Cache-Control" content="no-siteapp" /><meta ..."

Stray end tag “link”.

Line: 14 Column: 122 - 128
"...20180813"></link> <..."

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

Line: 62 Column: 1 - 35
"... <div id="top" pageat="header.ascx"> <..." Line: 124 Column: 5 - 39
"...p--> <div id="middle" pageat="default1"> ..." Line: 303 Column: 1 - 40
"...f"></div> <div id="e1Footer" pageat="footer.ascx"> <..."

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

Line: 87 Column: 29 - 85
"... <a id="rightCity" class="middle_content" hasmany="false">找到离您最近..."

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

Line: 103 Column: 467 - 514
"...div></div><div id="popupsPhoneNum" class="popups" city=""></div>..."

Attribute “lsrc” not allowed on element “img” at this point.

Line: 167 Column: 25 - 345
"... <img class="teensImg" alt="青少年英语课程" src="//cnce1m.ef-cdn.com/_imgs/englishfirst/home/NewSplash/teens_cn.jpg?nocache=20180813" lsrc="//cnce1m.ef-cdn.com/_imgs/englishfirst/home/NewSplash/teens_cn.jpg?nocache=20180813" ssrc="//cnce1m.ef-cdn.com/_imgs/englishfirst/home/newsplash/preexam/small_teens.jpg?nocache=20180813" /> ..."

Attribute “ssrc” not allowed on element “img” at this point.

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

Line: 379 Column: 20 - 139
"... <p><img width="960" height="8" src="//cnce1m.ef-cdn.com/_imgs/englishfirst/master/footer_bg_bottom.gif?nocache=20180813" /></p> ..." Line: 401 Column: 199 - 277
"...ht:20px;"><img src="//cnce1m.ef-cdn.com/_imgs/englishfirst/ghs.png" style="float:left;"/><p sty..."

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

Line: 391 Column: 13 - 135
"... <a id="contact_on_footer" href="javascript:void(null)" eventid="contact-bottom" class="photo formPopupTrigger futureType6">联系我们</..."

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

Line: 439 Column: 13 - 18
"... </div> ..."

Unclosed element “form”.

Line: 54 Column: 9 - 64
"...> <form method="post" action="./default1.aspx" id="form1"> <inpu..."

Stray end tag “form”.

Line: 511 Column: 1 - 7
"...</script> </form> <..."

Stray end tag “div”.

Line: 512 Column: 5 - 10
"...form> </div> ..."

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

Line: 519 Column: 9 - 59
"...> <div txt="@Html.Translate(671147)" class="scanTxt"> ..."

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

Line: 520 Column: 13 - 20
"... <center><stron..." Line: 523 Column: 13 - 20
"... <center><span>..."

Warnings

The “type” attribute is unnecessary for JavaScript resources.

Line: 15 Column: 5 - 510
"...link> <script type='text/javascript' src='http://cnc.ef-cdn.com/englishfirst/ETFileMergeHandler.ashx?fc=vZFRS8NAEIT%2fUoQKfZ2t9lLICXkomLwlqZ6YapW0rvbXO3OIIORN8enYuZ1vd%2b6wjmjcPhBGDLACpeMGOONqgwi46sptj7BA6zblPrcDQoOupq%2bM2AFvWC%2blP6LcSKevZk09HDDUdoGwxZDsEqslumTvKLdos39ElexVnEoc9vXJnhFcnDNCQpvsRVzyC%2flvXXoUjzo4n%2fUc18W9xq7m%2fvTf1TjpvtOpvRyTfOxnPaCHeBEd7CnnTOQyBzn30n%2b%2bU5zjz%2bRdyEed%2bzn51P81byjQZO6kvlH7c57Lx3%2fL953yc89OeVe%2f%2fe%2bI3u0oLs%2b%2f5p5ynfSe%2fqW7cj0gqE%2f%2fttT98XvuJw%3d%3d&v=8-1'></scri..." Line: 28 Column: 5 - 35
"...yle> <script type="text/javascript">window..." Line: 29 Column: 5 - 115
"...ript> <script type="text/javascript" src="http://mediakey1.ef.com/2012/_scripts/omniture/TrackingcodeforNonEfcom.js"></scri..." Line: 30 Column: 5 - 161
"...ript> <script type="text/javascript" src="//assets.adobedtm.com/c3187449abe132496ab40b7e1d4045f9e2902ef5/satelliteLib-df8be426665be3b041d899e37a242266d6528dd7.js"></scri..." Line: 31 Column: 5 - 98
"...ript> <script type="text/javascript" src="/englishfirst/Assets/3rdLibs/JQuery/jquery.qrcode.min.js"></scri..." Line: 33 Column: 5 - 85
"... <script type="text/javascript" src="//cnce1m2.ef.cn/common/loader_top_bundle.js"></scri..." Line: 42 Column: 5 - 35
"...ript> <script type="text/javascript"> ..." Line: 414 Column: 5 - 35
"... <script type="text/javascript"> ..." Line: 440 Column: 13 - 162
"... <script type="text/javascript" language="javascript" src="/englishfirst/_scripts/DynamicJavaScript.ashx?marketCode=cn&languageCode=cs&cacheServer="> </scrip..." Line: 459 Column: 1 - 31
"... <script type="text/javascript"> //<![..." Line: 528 Column: 5 - 35
"...div> <script type="text/javascript"> ..." Line: 563 Column: 5 - 88
"...ript> <script type="text/javascript" src="//cnce1m2.ef.cn/common/loader_bottom_bundle.js"></scri..." Line: 564 Column: 5 - 35
"...ript> <script type="text/javascript"> ..."

The “type” attribute for the “style” element is not needed and should be omitted.

Line: 24 Column: 5 - 27
"...f]--> <style type="text/css"> </..."

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

Line: 440 Column: 13 - 162
"... <script type="text/javascript" language="javascript" src="/englishfirst/_scripts/DynamicJavaScript.ashx?marketCode=cn&languageCode=cs&cacheServer="> </scrip..."

Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.

Line: 5 Column: 122 - 65
"...onal.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" master="blank.master"> <head..."

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ef.com.cn 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.

ef.com.cn 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.

EF.COM.CN EF英孚教育官网,英孚英语,少儿和青少年课程,成人英语培训,海外游学留学

ef.com.cn Website Information

Advertisement

ef.com.cn Alexa Rank

ef.com.cn whois

ef.com.cn server information

Servers Location

ef.com.cn desktop page speed rank

ef.com.cn Desktop Speed Test Quick Summary

priority - 24Optimize images

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

Optimize the following images to reduce their size by 233.7KiB (67% reduction).

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

Your page has 3 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

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 - 2Leverage 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 - 0Minify 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 2.4KiB (15% reduction).

priority - 0Minify 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 971B (11% reduction).

priority - 0Minify 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 1.2KiB (11% reduction).

ef.com.cn Desktop Resource Breakdown

ef.com.cn mobile page speed rank

ef.com.cn Mobile Speed Test Quick Summary

priority - 37Optimize images

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

Optimize the following images to reduce their size by 366.1KiB (66% reduction).

priority - 35Avoid landing page redirects

Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

priority - 2Leverage 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 - 2Reduce server response time

priority - 0Minify 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 811B (97% reduction).

ef.com.cn Mobile Resource Breakdown

ef.com.cn mobile page usability

ef.com.cn HTML validation

Errors

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

Attribute “master” not allowed on element “html” at this point.

Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.

Stray end tag “link”.

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

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

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

Attribute “lsrc” not allowed on element “img” at this point.

Attribute “ssrc” not allowed on element “img” at this point.

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

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

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

Unclosed element “form”.

Stray end tag “form”.

Stray end tag “div”.

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

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

Warnings

The “type” attribute is unnecessary for JavaScript resources.

The “type” attribute for the “style” element is not needed and should be omitted.

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

Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.

ef.com.cn similar domains

ef.com.cn Ping

ef.com.cn TRACEROUTE