bt.cn website information.
bt.cn domain name is registered by .CN top-level domain registry. See the other sites registred in .CN domain zone.
Following name servers are specified for bt.cn domain:
- v1.dns.com
- v2.dns.com
and probably website bt.cn is hosted by GOOGLE - Google LLC, US web hosting company. Check the complete list of other most popular websites hosted by GOOGLE - Google LLC, US hosting company.
According to Alexa traffic rank the highest website bt.cn position was 2001 (in the world). The lowest Alexa rank position was 968531. Now website bt.cn ranked in Alexa database as number 8142 (in the world).
Website bt.cn Desktop speed measurement score (70/100) is better than the results of 50.91% of other sites shows that the page desktop performance can be improved.
bt.cn Mobile usability score (73/100) is better than the results of 22.71% of other sites and shows that the page mobile usability is poor and can be improved.
Mobile speed measurement score of bt.cn (60/100) is better than the results of 54.7% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
Weekly Rank Report
| Date | Rank | Change |
|---|---|---|
| May-04-2024 | 8,142 | 36 |
| May-03-2024 | 8,178 | -13 |
| May-02-2024 | 8,165 | 55 |
| May-01-2024 | 8,220 | -64 |
| Apr-30-2024 | 8,156 | 86 |
| Apr-29-2024 | 8,242 | -57 |
| Apr-28-2024 | 8,185 | 55 |
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bt.cn Rank History
Alexa can identify the popularity of a website as well as its competitors. It is important for website owners and bloggers to know their Alexa ranking because it shows how many visitors have viewed their web page. It gives them a clear idea of how popular their website is on the internet and the ranking of their competitors.
bt.cn whois
WHOIS is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system, but is also used for a wider range of other information.
bt.cn server information
bt.cn desktop page speed rank
Last tested: 2017-05-26
bt.cn Desktop Speed Test Quick Summary
priority - 18 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 177.5KiB (50% reduction).
Compressing https://www.bt.cn/Public/images/logo.png could save 48.2KiB (88% reduction).
Compressing https://www.bt.cn/Public/images/yc.png could save 47.7KiB (90% reduction).
Compressing http://www.bt.cn/Public/images/windows_pc.png could save 16.7KiB (18% reduction).
Compressing https://www.bt.cn/Public/images/windows_pc.png could save 16.7KiB (18% reduction).
priority - 10 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Remove render-blocking JavaScript:
http://www.bt.cn/Public/js/tongji.js
https://www.bt.cn/Public/js/jquery.js
https://www.bt.cn/Public/js/tongji.js
Optimize CSS Delivery of the following:
http://www.bt.cn/Public/css/bt/common.css
http://www.bt.cn/Public/css/bt/css.css
https://www.bt.cn/Public/css/bt/reset.css
https://www.bt.cn/Public/css/bt/common.css
https://www.bt.cn/Public/css/bt/css.css
priority - 9 Minify 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 84.6KiB (50% reduction).
Minifying https://www.bt.cn/Public/js/jquery.js could save 41.7KiB (50% reduction) after compression.
Minifying http://www.bt.cn/Public/js/reg.js could save 590B (20% reduction) after compression.
Minifying https://www.bt.cn/Public/js/reg.js could save 590B (20% reduction) after compression.
priority - 6 Leverage 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.bt.cn/Public/css/bt/css.css (12 hours)
http://www.bt.cn/Public/css/bt/reset.css (12 hours)
http://www.bt.cn/Public/js/jquery.js (12 hours)
http://www.bt.cn/Public/js/reg.js (12 hours)
http://www.bt.cn/Public/js/tongji.js (12 hours)
https://www.bt.cn/Public/css/bt/common.css (12 hours)
https://www.bt.cn/Public/css/bt/css.css (12 hours)
https://www.bt.cn/Public/css/bt/reset.css (12 hours)
https://www.bt.cn/Public/js/jquery.js (12 hours)
https://www.bt.cn/Public/js/reg.js (12 hours)
https://www.bt.cn/Public/js/tongji.js (12 hours)
priority - 0 Minify 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 1.4KiB (19% reduction).
Minifying https://www.bt.cn/Public/css/bt/css.css could save 729B (19% reduction) after compression.
bt.cn Desktop Resources
| Total Resources | 32 |
| Number of Hosts | 3 |
| Static Resources | 26 |
| JavaScript Resources | 7 |
| CSS Resources | 6 |
bt.cn Desktop Resource Breakdown
bt.cn mobile page speed rank
Last tested: 2017-05-26
bt.cn Mobile Speed Test Quick Summary
priority - 40 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Remove render-blocking JavaScript:
http://www.bt.cn/Public/js/tongji.js
https://www.bt.cn/Public/js/jquery.js
https://www.bt.cn/Public/js/tongji.js
Optimize CSS Delivery of the following:
http://www.bt.cn/Public/css/bt/common.css
http://www.bt.cn/Public/css/bt/css.css
https://www.bt.cn/Public/css/bt/reset.css
https://www.bt.cn/Public/css/bt/common.css
https://www.bt.cn/Public/css/bt/css.css
priority - 13 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 129.3KiB (44% reduction).
Compressing https://www.bt.cn/Public/images/yc.png could save 47.7KiB (90% reduction).
Compressing http://www.bt.cn/Public/images/windows_pc.png could save 16.7KiB (18% reduction).
Compressing https://www.bt.cn/Public/images/windows_pc.png could save 16.7KiB (18% reduction).
priority - 9 Minify 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 84.6KiB (50% reduction).
Minifying https://www.bt.cn/Public/js/jquery.js could save 41.7KiB (50% reduction) after compression.
Minifying http://www.bt.cn/Public/js/reg.js could save 590B (20% reduction) after compression.
Minifying https://www.bt.cn/Public/js/reg.js could save 590B (20% reduction) after compression.
priority - 8 Leverage 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.bt.cn/Public/css/bt/css.css (12 hours)
http://www.bt.cn/Public/css/bt/reset.css (12 hours)
http://www.bt.cn/Public/js/jquery.js (12 hours)
http://www.bt.cn/Public/js/reg.js (12 hours)
http://www.bt.cn/Public/js/tongji.js (12 hours)
https://www.bt.cn/Public/css/bt/common.css (12 hours)
https://www.bt.cn/Public/css/bt/css.css (12 hours)
https://www.bt.cn/Public/css/bt/reset.css (12 hours)
https://www.bt.cn/Public/js/jquery.js (12 hours)
https://www.bt.cn/Public/js/reg.js (12 hours)
https://www.bt.cn/Public/js/tongji.js (12 hours)
priority - 0 Minify 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 1.4KiB (19% reduction).
Minifying https://www.bt.cn/Public/css/bt/css.css could save 729B (19% reduction) after compression.
bt.cn Mobile Resources
| Total Resources | 32 |
| Number of Hosts | 3 |
| Static Resources | 25 |
| JavaScript Resources | 7 |
| CSS Resources | 6 |
bt.cn Mobile Resource Breakdown
bt.cn mobile page usability
Last tested: 2017-05-26
bt.cn Mobile Usability Test Quick Summary
priority - 18 Use 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.
The following text fragments have a small font size. Increase the font size to make them more legible.
东莞市百塔网络科技有限公司 renders only 5 pixels tall (12 CSS pixels).产品信息 and 2 others render only 5 pixels tall (12 CSS pixels).首页 renders only 5 pixels tall (14 CSS pixels).Windows面板 and 5 others render only 5 pixels tall (14 CSS pixels).永久免费 renders only 5 pixels tall (12 CSS pixels).Linux 版 renders only 6 pixels tall (16 CSS pixels).Windows 版 renders only 6 pixels tall (16 CSS pixels).2017/05/24·每周三更新 and 1 others render only 5 pixels tall (14 CSS pixels).| and 1 others render only 5 pixels tall (14 CSS pixels).立即安装 renders only 5 pixels tall (14 CSS pixels).一键创建网站、FTP、数据库…切换；自带LNMP与LAMP and 1 others render only 5 pixels tall (14 CSS pixels).远程桌面连接工具 and 2 others render only 8 pixels tall (20 CSS pixels).下载 and 2 others render only 5 pixels tall (14 CSS pixels).软件使用文档 and 2 others render only 6 pixels tall (16 CSS pixels).宝塔linux面板3.0正式开启公测，正式版将于3月份发布 and 10 others render only 5 pixels tall (12 CSS pixels).友情链接： renders only 5 pixels tall (12 CSS pixels).云锁-服务器安全 and 10 others render only 5 pixels tall (12 CSS pixels).|让你更简单的使用服务器(w…粤ICP备17030143号 and 3 others render only 5 pixels tall (13 CSS pixels).隐私声明 renders only 5 pixels tall (13 CSS pixels).priority - 10 Configure the viewport
Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.
Configure a viewport for this page.
priority - 4 Size 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.
The page content is 1,040 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:
<a href="/contact.html">联系我们</a> falls outside the viewport.The element
<a href="/bbs/portal.php">论坛</a> falls outside the viewport.The element
<div class="downBtn">Linux 版 Windows 版</div> falls outside the viewport.The element
<div class="downInfo">4.3版|2017/05/24·每周三更新|立即安装</div> falls outside the viewport.The element
<div class="softtxt">Linux版请确保纯净系统安…切换；自带LNMP与LAMP</div> falls outside the viewport.The element
<div class="zunad">尊云9元福利云，预装宝塔面板…高能用45天，宝塔极力推荐！</div> falls outside the viewport.The element
<h3 class="p1">每周三更新</h3> falls outside the viewport.The element
<p>查看</p> falls outside the viewport.The element
<h2>开发心得</h2> falls outside the viewport.The element
<li>用宝塔Linux版搭建高性能流媒体服务器</li> falls outside the viewport.The element
<li>如何查看哪个网站被攻击</li> falls outside the viewport.The element
<li>用心研发一款服务器流量监控软件</li> falls outside the viewport.The element
<div class="flink">友情链接： 云服务器…模型 云锁-服务器安全</div> falls outside the viewport.priority - 4 Size 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.
<a href="/about.html#job" class="pp-job"> is close to 1 other tap targets.<a href="/bbs/thread-1186-1-1.html" class="download">立即安装</a> is close to 1 other tap targets.<a href="/update/net/BtMstsc.exe">下载</a> and 1 others are close to other tap targets.<a href="/Help/Find?id=134">宝塔linux面板3.0正式开启公测，正式版将于3月份发布</a> and 10 others are close to other tap targets.<a href="http://www.wcloud.com">云主机</a> and 1 others are close to other tap targets.bt.cn similar domains
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bt.cn Ping
Ping is a networking utility tool to test if a particular host is reachable. It is a diagnostic that checks reachability of a host on an Internet Protocol (IP) network. In a computer network, a ping test is a way of sending messages from one host to another. Aside from checking if the host is connected to a network, ping also gives indicators of the reliability and general speed of the connection.
bt.cn TRACEROUTE
Traceroute is a network diagnostic tool used to track the pathway taken by a packet on an IP network from source to destination. Traceroute also records the time taken for each hop the packet makes during its route to the destination. Traceroute uses ICMP (Internet Control Message Protocol) echo packets with variable time to live values. The response time of each hop is calculated. To guarantee accuracy, each hop is queried multiple times (usually three times) to better measure the response of that particular hop.