xuetangx.com Website Information
Daily Unique Visits: 52,228
Daily Page Views: 313,368
Income Per Day: $627
Estimated Value: $451,440
xuetangx.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 CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN. See the full list of other websites hosted by CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN.
The highest website xuetangx.com position in Alexa rank database was 730 and the lowest rank position was 820396. Current position of xuetangx.com in Alexa rank database is 27461.
Desktop speed score of xuetangx.com (4/100) is better than the results of 0.51% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of xuetangx.com (98/100) is better than the results of 55.61% of other sites and means that the page is mobile-friendly.
Mobile speed score of xuetangx.com (16/100) is better than the results of 3.07% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
Advertisement
xuetangx.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.
xuetangx.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.
Registry Domain ID: 1826770928_DOMAIN_COM-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://www.net.cn
Updated Date: 2019-12-11T03:00:47Z
Creation Date: 2013-09-10T01:13:30Z
Registry Expiry Date: 2022-09-10T01:13:30Z
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.DNSV4.COM
Name Server: NS4.DNSV4.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-04-25T10:33:30Z
xuetangx.com server information
Servers Location
xuetangx.com desktop page speed rank
Last tested: 2019-12-07
xuetangx.com Desktop Speed Test Quick Summary
priority - 389Optimize images
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priority - 196Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
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priority - 14Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 5 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://res.wx.qq.com/open/js/jweixin-1.2.0.js
https://next.xuetangx.com/resources/js/manifest_29df210edfe5bfa849d7.js
https://next.xuetangx.com/resources/js/vendor_e306a4a34367fe1f701c.js
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Optimize CSS Delivery of the following:
priority - 12Leverage 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://storage.xuetangx.com/public_assets/xuetangx…059f0313a.bg_about.png (expiration not specified)
https://next.xuetangx.com/api/v1/lms/home/banners/ (expiration not specified)
https://next.xuetangx.com/api/v1/lms/home/institution_recommend/ (expiration not specified)
https://next.xuetangx.com/api/v1/lms/home/module_management/ (expiration not specified)
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priority - 9Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
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http://www.xuetangx.com/
https://next.xuetangx.com/
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.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
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 154B (12% reduction).
xuetangx.com Desktop Resource Breakdown
Total Resources | 109 |
Number of Hosts | 11 |
Static Resources | 93 |
JavaScript Resources | 26 |
CSS Resources | 1 |
xuetangx.com mobile page speed rank
Last tested: 2019-12-07
xuetangx.com Mobile Speed Test Quick Summary
priority - 225Optimize images
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priority - 75Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
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priority - 56Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 5 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://res.wx.qq.com/open/js/jweixin-1.2.0.js
https://next.xuetangx.com/resources/js/manifest_29df210edfe5bfa849d7.js
https://next.xuetangx.com/resources/js/vendor_e306a4a34367fe1f701c.js
https://next.xuetangx.com/resources/js/app_c5f9822ab505d7ffe577.js
Optimize CSS Delivery of the following:
priority - 34Avoid 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://www.xuetangx.com/
https://next.xuetangx.com/
priority - 17Leverage 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://storage.xuetangx.com/public_assets/xuetangx…059f0313a.bg_about.png (expiration not specified)
https://next.xuetangx.com/api/v1/lms/home/banners/ (expiration not specified)
https://next.xuetangx.com/api/v1/lms/home/institution_recommend/ (expiration not specified)
https://next.xuetangx.com/api/v1/lms/home/module_management/ (expiration not specified)
https://next.xuetangx.com/api/v1/lms/home/navigation/configuration/ (expiration not specified)
https://next.xuetangx.com/api/v1/lms/home/partner/ (expiration not specified)
https://next.xuetangx.com/api/v1/lms/home/user_voice/ (expiration not specified)
https://next.xuetangx.com/api/v1/lms/service/weixin_parameter (expiration not specified)
https://next.xuetangx.com/api/v1/u/login/check_is_l/ (expiration not specified)
https://next.xuetangx.com/resources/css/app.4fcbd3…dc8cfa1eba0892206b.css (expiration not specified)
https://next.xuetangx.com/resources/fonts/iconfont.c7c1147.woff (expiration not specified)
https://next.xuetangx.com/resources/img/qrcode.6dbfa4d.png (expiration not specified)
https://next.xuetangx.com/resources/js/0_c45fb1ba42cb66793230.js (expiration not specified)
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https://next.xuetangx.com/resources/js/manifest_29df210edfe5bfa849d7.js (expiration not specified)
https://next.xuetangx.com/resources/js/vendor_e306a4a34367fe1f701c.js (expiration not specified)
https://storagecdn.xuetangx.com/public_assets/xuet…ngX/qinghua_logo_c.png (expiration not specified)
https://storagecdn.xuetangx.com/public_assets/xuet…5cb6d0.mobile-logo.png (expiration not specified)
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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.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
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 154B (12% reduction).
xuetangx.com Mobile Resource Breakdown
Total Resources | 101 |
Number of Hosts | 8 |
Static Resources | 85 |
JavaScript Resources | 25 |
CSS Resources | 1 |
xuetangx.com mobile page usability
Last tested: 2019-12-07
xuetangx.com Mobile Usability Test Quick Summary
priority - 1Size 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.
<li class="el-carousel__i…ator is-active"></li>
and 6 others are close to other tap targets.<button class="el-carousel__button"></button>
is close to 1 other tap targets.<button class="el-carousel__button"></button>
and 5 others are close to other tap targets.The tap target
<div class="swiper-button-next"></div>
is close to 1 other tap targets.The tap target
<a href="https://storag…yright/icp.pdf">京ICP证140571号</a>
is close to 1 other tap targets.xuetangx.com HTML validation
Errors
Attribute “xmlns:wb” not allowed here.
"...TYPE html> <html lang="zh-cn" xmlns:wb="http://open.weibo.com/wb"> <head..."
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
"...t=8"> <meta http-equiv="X-UA-Compatible" content="edge" /> ..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
"... cf"> <img class="ajax_loading" src="//storagecdn.xuetangx.com/static/images/alert/loading.06c954eb64c3.gif" /> </..." Line: 183 Column: 204 - 306
"...="BANNER"><img src="//storagecdn.xuetangx.com/public_assets/xuetangx/course_introduction/20190130180644374104" /></a></..." Line: 184 Column: 249 - 351
"...="BANNER"><img src="//storagecdn.xuetangx.com/public_assets/xuetangx/course_introduction/20190219181400459909" /></a></..." Line: 185 Column: 228 - 330
"...="BANNER"><img src="//storagecdn.xuetangx.com/public_assets/xuetangx/course_introduction/20190131144609738712" /></a></..." Line: 186 Column: 246 - 348
"...="BANNER"><img src="//storagecdn.xuetangx.com/public_assets/xuetangx/course_introduction/20190121184235127989" /></a></..." Line: 187 Column: 225 - 327
"...="BANNER"><img src="//storagecdn.xuetangx.com/public_assets/xuetangx/course_introduction/20190111175214351850" /></a></..." Line: 188 Column: 218 - 320
"...="BANNER"><img src="//storagecdn.xuetangx.com/public_assets/xuetangx/course_introduction/20190121103105465769" /></a></..." Line: 189 Column: 246 - 348
"...="BANNER"><img src="//storagecdn.xuetangx.com/public_assets/xuetangx/course_introduction/20190114113736155939" /></a></..." Line: 190 Column: 246 - 348
"...="BANNER"><img src="//storagecdn.xuetangx.com/public_assets/xuetangx/course_introduction/20181225103702210584" /></a></..." Line: 268 Column: 62 - 137
"...="_blank"><img src="http://www.xuetangx.com/static/images/edx_logo.262fca70a49b.png"/></a> ..."
Warnings
Attribute with the local name “xmlns:wb” is not serializable as XML 1.0.
"...TYPE html> <html lang="zh-cn" xmlns:wb="http://open.weibo.com/wb"> <head..."
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
"... </div> <section id="banner_school_wrap"> <di..." Line: 198 Column: 2 - 33
"...section> <section id="elite_school_wrap"> </s..." Line: 201 Column: 2 - 32
"...section> <section id="live_course_wrap"> </s..." Line: 204 Column: 2 - 34
"...section> <section id="training_camp_wrap"> </s..." Line: 207 Column: 2 - 33
"...section> <section id="tdxl_gjkcyxb_wrap"> ..." Line: 210 Column: 2 - 32
"...section> <section id="tiny_degree_wrap"> ..." Line: 213 Column: 2 - 41
"...section> <section id="best_selling_courses_wrap"> ..." Line: 216 Column: 2 - 30
"...section> <section id="xksd_sdhk_wrap"> ..." Line: 219 Column: 2 - 32
"...section> <section id="self_course_wrap"> </s..." Line: 222 Column: 2 - 24
"...section> <section id="cap_wrap"> ..." Line: 225 Column: 2 - 35
"...section> <section id="hot_knowledge_point"> </s..." Line: 228 Column: 2 - 28
"...section> <section id="xt_news_wrap"> </s..." Line: 231 Column: 2 - 32
"...section> <section id="cooperation_wrap"> </s..."
The “type” attribute is unnecessary for JavaScript resources.
"...ript> <script type="text/javascript" src="http://storagecdn.xuetangx.com/xuetangx/js/statistics_footer.js"></scri..."
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xuetangx.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.
xuetangx.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.