tedu.cn Website Information

Daily Unique Visits: 5,471

Daily Page Views: 21,884

Income Per Day: $61

Estimated Value: $32,940

This website is located in China and is using following IP address 60.247.62.251. See the complete list of popular websites hosted in China.

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

Website tedu.cn is using the following name servers:

ns3.dns.com
ns4.dns.com

and is probably hosted by HWCSNET Huawei Cloud Service data center, CN. See the full list of other websites hosted by HWCSNET Huawei Cloud Service data center, CN.

The highest website tedu.cn position in Alexa rank database was 173591 and the lowest rank position was 250870. Current position of tedu.cn in Alexa rank database is 229386.

Desktop speed score of tedu.cn (7/100) is better than the results of 0.97% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of tedu.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 tedu.cn (27/100) is better than the results of 7.94% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

tedu.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.

tedu.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: tedu.cn
ROID: 20061008s10001s85499205-cn
Domain Status: ok
Registrant: 达内时代科技集团有限公司
Registrant Contact Email: chenah@tedu.cn
Sponsoring Registrar: 阿里云计算有限公司（万网）
Name Server: vip3.alidns.com
Name Server: vip4.alidns.com
Registration Time: 2006-10-08 16:33:14
Expiration Time: 2025-12-08 16:33:14
DNSSEC: unsigned

tedu.cn server information

Servers Location

tedu.cn desktop page speed rank

Last tested: 2018-02-14

Desktop Speed Bad

7/100

tedu.cn Desktop Speed Test Quick Summary

priority - 435Optimize images

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priority - 122Leverage 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://acc.tedu.cn/img/201711/1511935400378.jpg (expiration not specified)
http://acc.tedu.cn/img/201711/1511935448190.jpg (expiration not specified)
http://acc.tedu.cn/img/201711/1511935465406.jpg (expiration not specified)
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http://android.tedu.cn/img/201705/1495607365390.jpg (expiration not specified)
http://android.tedu.cn/img/201711/1511932809435.JPG (expiration not specified)
http://android.tedu.cn/img/201711/1511932820360.jpg (expiration not specified)
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http://android.tedu.cn/img/201711/1511932835873.JPG (expiration not specified)
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http://ra.gtimg.com/web/hd/page_duration.js (10 minutes)

priority - 2Eliminate 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://www.tedu.cn/zhuzhan/css/main.css

priority - 1Minify 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 8.3KiB (26% reduction).

Minifying http://www.tedu.cn/zhuzhan/js/idangerous.swiper.js could save 5.7KiB (31% reduction) after compression.
Minifying http://ra.gtimg.com/web/hd/page_duration.js could save 759B (34% reduction) after compression.
Minifying http://www.tedu.cn/zhuzhan/js/tongji.js could save 526B (32% reduction) after compression.
Minifying http://www.tedu.cn/zhuzhan/js/jquery.superslide.2.1.1.js could save 509B (12% reduction) after compression.
Minifying http://www.tedu.cn/zhuzhan/js/main.js could save 504B (24% reduction) after compression.
Minifying http://www.tedu.cn/zhuzhan/js/sou.js could save 241B (12% reduction) after compression.
Minifying http://www.tedu.cn/zhuzhan/js/idangerous.swiper.scrollbar-2.4.1.min.js could save 150B (11% reduction) after compression.

priority - 1Minify 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 5KiB (14% reduction).

Minifying http://www.tedu.cn/ could save 5KiB (14% reduction) after compression.

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 954B (22% reduction).

Minifying http://www.tedu.cn/zhuzhan/css/media-queries.css could save 493B (15% reduction) after compression.
Minifying http://www.tedu.cn/zhuzhan/css/idangerous.swiper.css could save 461B (48% reduction) after compression.

tedu.cn Desktop Resource Breakdown

Total Resources	247
Number of Hosts	39
Static Resources	244
JavaScript Resources	10
CSS Resources	3

tedu.cn mobile page speed rank

Last tested: 2018-02-07

Mobile Speed Bad

27/100

tedu.cn Mobile Speed Test Quick Summary

priority - 183Leverage 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:

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priority - 84Optimize images

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

Optimize the following images to reduce their size by 823.8KiB (63% reduction).

Compressing http://hz.tedu.cn/img/201802/1517548854843.jpg could save 198.9KiB (81% reduction).
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Compressing http://www.tedu.cn/zhuzhan/img/course-img12.jpg could save 9KiB (55% reduction).
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Compressing http://www.tedu.cn/zhuzhan/img/logo.png could save 2.3KiB (33% reduction).
Compressing http://www.tedu.cn/zhuzhan/img/course-img6.jpg could save 2.2KiB (46% reduction).
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priority - 8Eliminate 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://www.tedu.cn/zhuzhan/css/main.css

priority - 1Minify 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 10.7KiB (24% reduction).

Minifying http://www.tedu.cn/zhuzhan/js/idangerous.swiper.js could save 5.7KiB (31% reduction) after compression.
Minifying https://p.bokecc.com/js/player/v20180130.js could save 2.4KiB (18% reduction) after compression.
Minifying http://ra.gtimg.com/web/hd/page_duration.js could save 759B (34% reduction) after compression.
Minifying http://www.tedu.cn/zhuzhan/js/tongji.js could save 531B (32% reduction) after compression.
Minifying http://www.tedu.cn/zhuzhan/js/jquery.superslide.2.1.1.js could save 509B (12% reduction) after compression.
Minifying http://www.tedu.cn/zhuzhan/js/main.js could save 504B (24% reduction) after compression.
Minifying http://www.tedu.cn/zhuzhan/js/sou.js could save 241B (12% reduction) after compression.
Minifying http://www.tedu.cn/zhuzhan/js/idangerous.swiper.scrollbar-2.4.1.min.js could save 150B (11% reduction) after compression.

priority - 1Minify 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 5.1KiB (14% reduction).

Minifying http://www.tedu.cn/ could save 5.1KiB (14% reduction) after compression.

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 954B (22% reduction).

tedu.cn Mobile Resource Breakdown

Total Resources	247
Number of Hosts	39
Static Resources	244
JavaScript Resources	10
CSS Resources	3

tedu.cn mobile page usability

Last tested: 2018-02-07

Mobile Usability Good

100/100

tedu.cn HTML validation

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Line: 5 Column: 5 - 109
"...F-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1, user-scalable=no"> <..."

Attribute “"” is not serializable as XML 1.0.

Line: 193 Column: 29 - 131
"... <a href="http://www3.53kf.com/webCompany.php?arg=10120883&style=1"" rel="nofollow" target="_blank"> ..."

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

Line: 2404 Column: - 25
"... <!--<a class="jt"><..."

Errors

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

Line: 34 Column: 55 - 95
"...n-course"><img src="/zhuzhan/img/btn-course.png" /></a> ..." Line: 36 Column: 35 - 75
"...n-center"><img src="/zhuzhan/img/btn-center.png" /></a> ..." Line: 121 Column: 5 - 65
"...ank"> <img src="http://www.tedu.cn/img/201811/1543561175363.png" /> <..." Line: 131 Column: 5 - 65
"...ank"> <img src="http://www.tedu.cn/img/201809/1536119761911.jpg" /> <..." Line: 139 Column: 5 - 65
"...ank"> <img src="http://www.tedu.cn/img/201808/1534477763543.jpg" /> <..." Line: 148 Column: 5 - 65
"...ank"> <img src="http://www.tedu.cn/img/201810/1539245069389.jpg" /> <..." Line: 158 Column: 5 - 65
"...ank"> <img src="http://www.tedu.cn/img/201803/1520403394794.jpg" /> <..." Line: 253 Column: 34 - 72
"...>全国校区同步开课 <img src="/zhuzhan/img/title-jt.png" /></h2> ..." Line: 263 Column: 37 - 95
"... <img src="http://bj.tedu.cn/img/201812/1543916431830.jpg"/> ..." Line: 272 Column: 37 - 95
"... <img src="http://sh.tedu.cn/img/201812/1543995381229.jpg"/> ..." Line: 281 Column: 37 - 95
"... <img src="http://sy.tedu.cn/img/201812/1543973345570.jpg"/> ..." Line: 290 Column: 37 - 95
"... <img src="http://cd.tedu.cn/img/201812/1543815557708.jpg"/> ..." Line: 299 Column: 37 - 95
"... <img src="http://cq.tedu.cn/img/201811/1543563479950.jpg"/> ..." Line: 308 Column: 37 - 95
"... <img src="http://ty.tedu.cn/img/201811/1543560536979.jpg"/> ..." Line: 318 Column: 37 - 95
"... <img src="http://cc.tedu.cn/img/201812/1543973121994.jpg"/> ..." Line: 327 Column: 37 - 96
"... <img src="http://heb.tedu.cn/img/201812/1543973271269.jpg"/> ..." Line: 336 Column: 37 - 95
"... <img src="http://zs.tedu.cn/img/201812/1544062685301.jpg"/> ..." Line: 345 Column: 37 - 95
"... <img src="http://hk.tedu.cn/img/201812/1544062497023.jpg"/> ..." Line: 354 Column: 37 - 96
"... <img src="http://hzh.tedu.cn/img/201812/1544060835668.jpg"/> ..." Line: 363 Column: 37 - 95
"... <img src="http://dg.tedu.cn/img/201812/1544060296246.jpg"/> ..." Line: 372 Column: 37 - 96
"... <img src="http://jin.tedu.cn/img/201812/1543913149727.jpg"/> ..." Line: 381 Column: 37 - 95
"... <img src="http://zb.tedu.cn/img/201812/1543912958981.jpg"/> ..." Line: 390 Column: 37 - 95
"... <img src="http://wf.tedu.cn/img/201812/1543912649704.jpg"/> ..." Line: 399 Column: 37 - 95
"... <img src="http://qd.tedu.cn/img/201812/1543912511225.jpg"/> ..." Line: 633 Column: 41 - 79
"...程体系紧跟企业需求 <img src="/zhuzhan/img/title-jt.png" /></h2> ..." Line: 643 Column: 37 - 77
"... <img src="/zhuzhan/img/course-img1.jpg"/> ..." Line: 652 Column: 37 - 79
"... <img src="/zhuzhan/img/course-img2-1.jpg"/> ..." Line: 661 Column: 37 - 79
"... <img src="/zhuzhan/img/course-img2-2.jpg"/> ..." Line: 670 Column: 37 - 77
"... <img src="/zhuzhan/img/course-img3.jpg"/> ..." Line: 679 Column: 37 - 77
"... <img src="/zhuzhan/img/course-img4.jpg"/> ..." Line: 691 Column: 41 - 81
"... <img src="/zhuzhan/img/course-img5.jpg"/> ..." Line: 700 Column: 41 - 81
"... <img src="/zhuzhan/img/course-img6.jpg"/> ..." Line: 709 Column: 41 - 81
"... <img src="/zhuzhan/img/course-img7.jpg"/> ..." Line: 720 Column: 41 - 81
"... <img src="/zhuzhan/img/course-img8.jpg"/> ..." Line: 734 Column: 37 - 77
"... <img src="/zhuzhan/img/course-img9.jpg"/> ..." Line: 743 Column: 37 - 78
"... <img src="/zhuzhan/img/course-img10.jpg"/> ..." Line: 752 Column: 37 - 78
"... <img src="/zhuzhan/img/course-img11.jpg"/> ..." Line: 763 Column: 37 - 78
"... <img src="/zhuzhan/img/course-img12.jpg"/> ..." Line: 772 Column: 37 - 78
"... <img src="/zhuzhan/img/course-img13.jpg"/> ..." Line: 781 Column: 37 - 78
"... <img src="/zhuzhan/img/course-img19.jpg"/> ..." Line: 790 Column: 37 - 78
"... <img src="/zhuzhan/img/course-img14.jpg"/> ..." Line: 799 Column: 37 - 78
"... <img src="/zhuzhan/img/course-img15.jpg"/> ..." Line: 810 Column: 37 - 78
"... <img src="/zhuzhan/img/course-img16.jpg"/> ..." Line: 819 Column: 37 - 78
"... <img src="/zhuzhan/img/course-img17.jpg"/> ..." Line: 828 Column: 37 - 78
"... <img src="/zhuzhan/img/course-img18.jpg"/> ..." Line: 845 Column: 41 - 79
"...，实战经验倾囊相授 <img src="/zhuzhan/img/title-jt.png" /></h2> ..." Line: 851 Column: 97 - 137
"...lank">Java<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 852 Column: 74 - 114
"...nk">Python<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 853 Column: 68 - 108
"...blank">Web<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 854 Column: 82 - 122
"...blank">UID<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 855 Column: 33 - 73
"...blank">CAD<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 856 Column: 84 - 124
"...blank">大数据<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 857 Column: 68 - 108
"...lank">网络营销<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 858 Column: 72 - 112
"...ank">Linux<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 859 Column: 66 - 106
"...blank">C++<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 860 Column: 69 - 109
"...lank">高级电商<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 861 Column: 83 - 123
"...blank">PHP<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 862 Column: 89 - 129
"...ank">VR/AR<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 863 Column: 67 - 108
"...blank">产品经理<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 864 Column: 83 - 123
"...lank">软件测试<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 865 Column: 76 - 116
"...k">Android<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 866 Column: 68 - 108
"...blank">嵌入式<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 867 Column: 69 - 109
"...lank">.Net<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 868 Column: 82 - 122
"..._blank">会计<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 869 Column: 82 - 122
"...blank">UED<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 870 Column: 83 - 123
"...blank">iOS<img src="/zhuzhan/img/teacher-tag.png"/></a></..." Line: 880 Column: 45 - 105
"... <img src="http://java.tedu.cn/img/201711/1511926099940.jpg"/> ..." Line: 893 Column: 45 - 105
"... <img src="http://java.tedu.cn/img/201711/1511926083551.jpg"/> ..." Line: 906 Column: 45 - 105
"... <img src="http://java.tedu.cn/img/201706/1496399563404.jpg"/> ..." Line: 919 Column: 45 - 105
"... <img src="http://java.tedu.cn/img/201711/1511926116394.jpg"/> ..." Line: 932 Column: 45 - 105
"... <img src="http://java.tedu.cn/img/201711/1511926053047.jpg"/> ..." Line: 948 Column: 45 - 107
"... <img src="http://python.tedu.cn/img/201711/1511933151026.JPG"/> ..." Line: 961 Column: 45 - 107
"... <img src="http://python.tedu.cn/img/201711/1511933131528.JPG"/> ..." Line: 974 Column: 45 - 107
"... <img src="http://python.tedu.cn/img/201711/1511933145111.jpg"/> ..." Line: 987 Column: 45 - 107
"... <img src="http://python.tedu.cn/img/201711/1511933140062.jpg"/> ..." Line: 1000 Column: 45 - 107
"... <img src="http://python.tedu.cn/img/201711/1511933125348.jpg"/> ..." Line: 1016 Column: 45 - 104
"... <img src="http://web.tedu.cn/img/201711/1511933382258.jpg"/> ..." Line: 1029 Column: 45 - 104
"... <img src="http://web.tedu.cn/img/201711/1511933406399.jpg"/> ..." Line: 1042 Column: 45 - 104
"... <img src="http://web.tedu.cn/img/201711/1511933423399.jpg"/> ..." Line: 1055 Column: 45 - 104
"... <img src="http://web.tedu.cn/img/201711/1511933440497.jpg"/> ..." Line: 1068 Column: 45 - 104
"... <img src="http://web.tedu.cn/img/201711/1511933454588.jpg"/> ..." Line: 1084 Column: 45 - 103
"... <img src="http://ui.tedu.cn/img/201711/1511935988395.jpg"/> ..." Line: 1097 Column: 45 - 103
"... <img src="http://ui.tedu.cn/img/201712/1512696609867.jpg"/> ..." Line: 1110 Column: 45 - 103
"... <img src="http://ui.tedu.cn/img/201711/1511942171268.jpg"/> ..." Line: 1123 Column: 45 - 103
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"... <img src="http://ui.tedu.cn/img/201711/1511935967628.jpg"/> ..." Line: 1152 Column: 45 - 99
"... <img src="http://www.tedu.cn/zhuzhan/img/shizi/1.jpg"/> ..." Line: 1164 Column: 45 - 99
"... <img src="http://www.tedu.cn/zhuzhan/img/shizi/2.jpg"/> ..." Line: 1176 Column: 45 - 99
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"... <img src="http://data.tedu.cn/img/201711/1511938204979.jpg"/> ..." Line: 1229 Column: 45 - 105
"... <img src="http://data.tedu.cn/img/201711/1511938193915.jpg"/> ..." Line: 1242 Column: 45 - 105
"... <img src="http://data.tedu.cn/img/201711/1511938182437.jpg"/> ..." Line: 1255 Column: 45 - 105
"... <img src="http://data.tedu.cn/img/201711/1511938168323.jpg"/> ..." Line: 1268 Column: 45 - 105
"... <img src="http://data.tedu.cn/img/201803/1520240103057.jpg"/> ..." Line: 1284 Column: 45 - 103
"... <img src="http://so.tedu.cn/img/201711/1511932233725.jpg"/> ..." Line: 1297 Column: 45 - 103
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"... <img src="http://so.tedu.cn/img/201711/1511933966207.JPG"/> ..." Line: 1352 Column: 45 - 106
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"... <img src="http://linux.tedu.cn/img/201711/1511936213753.jpg"/> ..." Line: 1378 Column: 45 - 106
"... <img src="http://linux.tedu.cn/img/201711/1511936233384.jpg"/> ..." Line: 1391 Column: 45 - 106
"... <img src="http://linux.tedu.cn/img/201711/1511936242592.jpg"/> ..." Line: 1404 Column: 45 - 106
"... <img src="http://linux.tedu.cn/img/201706/1496316176539.jpg"/> ..." Line: 1420 Column: 45 - 102
"... <img src="http://c.tedu.cn/img/201711/1511935117678.jpg"/> ..." Line: 1433 Column: 45 - 102
"... <img src="http://c.tedu.cn/img/201711/1511935108471.jpg"/> ..." Line: 1446 Column: 45 - 102
"... <img src="http://c.tedu.cn/img/201711/1511935134773.jpg"/> ..." Line: 1459 Column: 45 - 102
"... <img src="http://c.tedu.cn/img/201711/1511935125657.jpg"/> ..." Line: 1472 Column: 45 - 102
"... <img src="http://c.tedu.cn/img/201711/1511935401724.jpg"/> ..." Line: 1488 Column: 45 - 104
"... <img src="http://ecd.tedu.cn/img/201712/1514271841230.jpg"/> ..." Line: 1501 Column: 45 - 104
"... <img src="http://ecd.tedu.cn/img/201711/1511936862343.jpg"/> ..." Line: 1514 Column: 45 - 104
"... <img src="http://ecd.tedu.cn/img/201711/1511936873230.jpg"/> ..." Line: 1527 Column: 45 - 104
"... <img src="http://ecd.tedu.cn/img/201711/1509602117340.jpg"/> ..." Line: 1540 Column: 45 - 104
"... <img src="http://ecd.tedu.cn/img/201711/1509602237677.jpg"/> ..." Line: 1556 Column: 45 - 104
"... <img src="http://php.tedu.cn/img/201711/1511941758443.jpg"/> ..." Line: 1569 Column: 45 - 104
"... <img src="http://php.tedu.cn/img/201711/1511941767903.jpg"/> ..." Line: 1582 Column: 45 - 104
"... <img src="http://php.tedu.cn/img/201711/1511941778816.jpg"/> ..." Line: 1595 Column: 45 - 104
"... <img src="http://php.tedu.cn/img/201711/1511941786925.jpg"/> ..." Line: 1608 Column: 45 - 104
"... <img src="http://php.tedu.cn/img/201711/1511941805435.jpg"/> ..." Line: 1624 Column: 45 - 108
"... <img src="http://unity3d.tedu.cn/img/201711/1511937718903.jpg"/> ..." Line: 1637 Column: 45 - 108
"... <img src="http://unity3d.tedu.cn/img/201711/1511937682320.jpg"/> ..." Line: 1650 Column: 45 - 108
"... <img src="http://unity3d.tedu.cn/img/201711/1511937697516.jpg"/> ..." Line: 1663 Column: 45 - 108
"... <img src="http://unity3d.tedu.cn/img/201803/1520327185501.jpg"/> ..." Line: 1676 Column: 45 - 108
"... <img src="http://unity3d.tedu.cn/img/201711/1511937648372.jpg"/> ..." Line: 1692 Column: 45 - 103
"... <img src="http://pm.tedu.cn/img/201711/1511935626394.jpg"/> ..." Line: 1705 Column: 45 - 103
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"... <img src="http://qa.tedu.cn/img/201711/1511935851669.jpg"/> ..." Line: 1786 Column: 45 - 103
"... <img src="http://qa.tedu.cn/img/201711/1511935843484.jpg"/> ..." Line: 1799 Column: 45 - 103
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"... <img src="http://qa.tedu.cn/img/201711/1511935831787.jpg"/> ..." Line: 1828 Column: 45 - 108
"... <img src="http://android.tedu.cn/img/201711/1511932835873.JPG"/> ..." Line: 1841 Column: 45 - 108
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"... <img src="http://net.tedu.cn/img/201711/1511936593192.jpg"/> ..." Line: 2003 Column: 45 - 104
"... <img src="http://net.tedu.cn/img/201711/1511936543745.jpg"/> ..." Line: 2016 Column: 45 - 105
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"... <img src="http://acc.tedu.cn/img/201711/1511935400378.jpg"/> ..." Line: 2045 Column: 45 - 104
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"... <img src="http://acc.tedu.cn/img/201706/1496398479755.jpg"/> ..." Line: 2100 Column: 45 - 104
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"... <img src="http://ued.tedu.cn/img/201711/1511937271728.jpg"/> ..." Line: 2126 Column: 45 - 104
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"... <img src="http://ued.tedu.cn/img/201711/1511937243099.jpg"/> ..." Line: 2152 Column: 45 - 103
"... <img src="http://ui.tedu.cn/img/201711/1511944749497.jpg"/> ..." Line: 2168 Column: 45 - 104
"... <img src="http://ios.tedu.cn/img/201711/1511932894397.JPG"/> ..." Line: 2181 Column: 45 - 104
"... <img src="http://ios.tedu.cn/img/201711/1511932886059.JPG"/> ..." Line: 2194 Column: 45 - 104
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"... <img src="http://ios.tedu.cn/img/201711/1511932919860.jpg"/> ..." Line: 2220 Column: 45 - 104
"... <img src="http://ios.tedu.cn/img/201711/1511932912483.JPG"/> ..." Line: 2254 Column: 60 - 98
"...出奇招<img src="/zhuzhan/img/title-jt.png" /></h2> ..." Line: 2650 Column: 38 - 76
"...下它们，入门更轻松 <img src="/zhuzhan/img/title-jt.png" /></h2> ..." Line: 2779 Column: 42 - 80
"...课程，7天免费试学 <img src="/zhuzhan/img/title-jt.png" /></h2> ..." Line: 2789 Column: 37 - 96
"... <img src="http://www.tedu.cn/img/201810/1539251550539.jpg"/> ..." Line: 2797 Column: 37 - 96
"... <img src="http://www.tedu.cn/img/201808/1534147574738.jpg"/> ..." Line: 2805 Column: 37 - 96
"... <img src="http://www.tedu.cn/img/201808/1534147772859.jpg"/> ..." Line: 2813 Column: 37 - 96
"... <img src="http://www.tedu.cn/img/201808/1534147957229.jpg"/> ..." Line: 2821 Column: 37 - 96
"... <img src="http://www.tedu.cn/img/201808/1534148114421.jpg"/> ..." Line: 2829 Column: 37 - 96
"... <img src="http://www.tedu.cn/img/201808/1534148433677.jpg"/> ..." Line: 2837 Column: 37 - 96
"... <img src="http://www.tedu.cn/img/201808/1534150648375.jpg"/> ..." Line: 2845 Column: 37 - 96
"... <img src="http://www.tedu.cn/img/201808/1534151728718.jpg"/> ..." Line: 2853 Column: 37 - 96
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"... <img src="http://www.tedu.cn/img/201808/1534155070945.jpg"/> ..." Line: 2869 Column: 37 - 96
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"... <img src="http://www.tedu.cn/img/201808/1534155360385.jpg"/> ..." Line: 2901 Column: 37 - 96
"... <img src="http://www.tedu.cn/img/201808/1534155422233.jpg"/> ..." Line: 2909 Column: 37 - 96
"... <img src="http://www.tedu.cn/img/201808/1534155468191.jpg"/> ..." Line: 2931 Column: 41 - 79
"...，你是否也有如下疑惑<img src="/zhuzhan/img/title-jt.png" /></h2> ..." Line: 2942 Column: 33 - 92
"... <img src="http://www.tedu.cn/img/201806/1529630989541.jpg"/> ..." Line: 2949 Column: 33 - 92
"... <img src="http://www.tedu.cn/img/201806/1529631051397.jpg"/> ..." Line: 2956 Column: 33 - 92
"... <img src="http://www.tedu.cn/img/201810/1540532428833.png"/> ..." Line: 2963 Column: 33 - 92
"... <img src="http://www.tedu.cn/img/201806/1529662452816.jpg"/> ..." Line: 2970 Column: 33 - 92
"... <img src="http://www.tedu.cn/img/201810/1539921172781.jpg"/> ..." Line: 2977 Column: 33 - 92
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"... <img src="http://www.tedu.cn/img/201807/1531374056347.jpg"/> ..." Line: 3043 Column: 33 - 92
"... <img src="http://www.tedu.cn/img/201807/1531372781377.jpg"/> ..." Line: 3050 Column: 33 - 92
"... <img src="http://www.tedu.cn/img/201807/1531373204987.jpg"/> ..." Line: 3072 Column: 39 - 77
"...忘初心，砥砺前行 <img src="/zhuzhan/img/title-jt.png" /></h2> ..." Line: 3260 Column: 44 - 81
"...一地学习全国推荐就业<img src="/zhuzhan/img/title-jt.png"/></h2> ..."

No space between attributes.

Line: 193 Column: - 99
"...83&style=1"" rel="nofollow..."

Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.

Line: 193 Column: - 99
"...83&style=1"" rel="nofollow..."

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

Line: 193 Column: 29 - 131
"... <a href="http://www3.53kf.com/webCompany.php?arg=10120883&style=1"" rel="nofollow" target="_blank"> ..."

Bad value “https://p.bokecc.com/player?vid=16EC356A19F314519C33DC5901307461&siteid=0DD1F081022C163E&autoStart=false&width=100%&height=565&playerid=A4D0B28C4B4B6A98&playertype=1” for attribute “src” on element “script”: Percentage ("%") is not followed by two hexadecimal digits.

Line: 240 Column: 21 - 229
"... <script src="https://p.bokecc.com/player?vid=16EC356A19F314519C33DC5901307461&siteid=0DD1F081022C163E&autoStart=false&width=100%&height=565&playerid=A4D0B28C4B4B6A98&playertype=1" type="text/javascript"></script> ..."

Attribute “ss” not allowed on element “p” at this point.

Line: 884 Column: 49 - 59
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"... 曾工作于联想..."

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

Line: 2275 Column: 37 - 49
"... <div ss="37"><sp..." Line: 2284 Column: 37 - 49
"... <div ss="37"><sp..." Line: 2293 Column: 37 - 49
"... <div ss="37"><sp..." Line: 2302 Column: 37 - 49
"... <div ss="37"><sp..."

Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).

Line: 2404 Column: - 25
"... <!--<a class="jt"><..."

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

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"... <li><a href="http://www.tedu.cn/ask/cjwt/344845.html" target="_blank" ss="16">计算机入门基..." Line: 2662 Column: 37 - 110
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"... <li><a href="http://www.tedu.cn/ask/cjwt/338566.html" target="_blank" ss="16">参加电脑培训..." Line: 2666 Column: 37 - 110
"... <li><a href="http://www.tedu.cn/ask/cjwt/338189.html" target="_blank" ss="16">it培训机构..." Line: 2668 Column: 37 - 105
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Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

Line: 4293 Column: 5 - 11
"...er--> <style> @medi..."

Attribute “arguments” not allowed on element “script” at this point.

Line: 4830 Column: 1 - 145
".../script> <script type="text/javascript" src="http://ra.gtimg.com/web/hd/page_duration.js" arguments="{'cpid':'700159920','t':'w'}" id="ad_statistic_kit" ></scri..."

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tedu.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.

tedu.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.

TEDU.CN 达内教育 - IT培训/网安/剪辑/UI设计/运营培训机构

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priority - 435Optimize images

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

Optimize the following images to reduce their size by 4.1MiB (70% reduction).

priority - 122Leverage 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 - 2Eliminate 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 - 1Minify 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 8.3KiB (26% reduction).

priority - 1Minify 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 5KiB (14% 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 954B (22% reduction).

tedu.cn Desktop Resource Breakdown

tedu.cn mobile page speed rank

tedu.cn Mobile Speed Test Quick Summary

priority - 183Leverage 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 - 84Optimize images

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

Optimize the following images to reduce their size by 823.8KiB (63% reduction).

priority - 8Eliminate 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 - 1Minify 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 10.7KiB (24% reduction).

priority - 1Minify 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 5.1KiB (14% 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 954B (22% reduction).

tedu.cn Mobile Resource Breakdown

tedu.cn mobile page usability

tedu.cn HTML validation

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Attribute “"” is not serializable as XML 1.0.

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

Errors

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

No space between attributes.

Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.

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

Bad value “https://p.bokecc.com/player?vid=16EC356A19F314519C33DC5901307461&siteid=0DD1F081022C163E&autoStart=false&width=100%&height=565&playerid=A4D0B28C4B4B6A98&playertype=1” for attribute “src” on element “script”: Percentage ("%") is not followed by two hexadecimal digits.

Attribute “ss” not allowed on element “p” at this point.

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

Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).

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

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

Attribute “arguments” not allowed on element “script” at this point.

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tedu.cn Ping

tedu.cn TRACEROUTE