CDSTM.CN 中国数字科技馆


cdstm.cn website information.

cdstm.cn website servers are located in China and are responding from following IP address 180.76.135.89. Check the full list of most visited websites located in China.

cdstm.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 cdstm.cn domain:

  • ns2.bdydns.cn
  • ns1.bdydns.cn

and probably website cdstm.cn is hosted by bdydns.cn web hosting company. Check the complete list of other most popular websites hosted by bdydns.cn hosting company.

According to Alexa traffic rank the highest website cdstm.cn position was 142 (in the world). The lowest Alexa rank position was 849980. Now website cdstm.cn ranked in Alexa database as number 616 (in the world).

Website cdstm.cn Desktop speed measurement score (14/100) is better than the results of 1.28% of other sites shows that the page desktop performance can be improved.

cdstm.cn Mobile usability score (99/100) is better than the results of 87.11% of other sites and means that the page is mobile-friendly.

Mobile speed measurement score of cdstm.cn (22/100) is better than the results of 3% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

Weekly Rank Report

DateRankChange
Sep-21-2019 616-2
Sep-20-2019 614-180
Sep-19-2019 434177
Sep-18-2019 611-43
Sep-17-2019 56850
Sep-16-2019 618-106
Sep-15-2019 512199

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cdstm.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.


cdstm.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.


Domain Name: cdstm.cn
ROID: 20060428s10001s51215830-cn
Domain Status: ok
Registrant ID: dw_60001224
Registrant: 中国科学技术馆
Registrant Contact Email: cdstm_siteman@cstm.org.cn
Sponsoring Registrar: PDR Ltd.
Name Server: ns1.bdydns.cn
Name Server: ns2.bdydns.cn
Registration Time: 2006-04-28 14:25:58
Expiration Time: 2026-04-28 14:25:58
DNSSEC: unsigned

cdstm.cn server information

Servers Location

cdstm.cn desktop page speed rank

Last tested: 2017-06-02


Desktop Speed Bad
14/100

cdstm.cn Desktop Speed Test Quick Summary


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priority - 22 Leverage browser caching

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Leverage browser caching for the following cacheable resources:

https://ids.cdstm.cn/ids/admin/images/v5/loginbj.jpg (expiration not specified)
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https://ids.cdstm.cn/ids/admin/style/calendar-blue.css (expiration not specified)
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https://ids.cdstm.cn/ids/admin/style/foreground_v5.css (expiration not specified)
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https://ids.cdstm.cn/ids/admin/style/tabbox_v5.css (expiration not specified)
https://www.cdstm.cn/images/jquery.min.js (2 minutes)
https://cdn.resources.cdstm.cn/site/css/bootstrap.min.css (3 days)
https://cdn.resources.cdstm.cn/site/css/font-awesome.min.css (3 days)
https://cdn.resources.cdstm.cn/site/css/header-index.css (3 days)
https://cdn.resources.cdstm.cn/site/css/index.css (3 days)
https://cdn.resources.cdstm.cn/site/css/m_style_csj_top.css (3 days)
https://cdn.resources.cdstm.cn/site/css/nav.css (3 days)
https://cdn.resources.cdstm.cn/site/images/arr_right.png (3 days)
https://cdn.resources.cdstm.cn/site/images/bg_line.png (3 days)
https://cdn.resources.cdstm.cn/site/images/bld.png (3 days)
https://cdn.resources.cdstm.cn/site/images/closeico.png (3 days)
https://cdn.resources.cdstm.cn/site/images/fail1.png (3 days)
https://cdn.resources.cdstm.cn/site/images/headbg.png (3 days)
https://cdn.resources.cdstm.cn/site/images/header-logo.png (3 days)
https://cdn.resources.cdstm.cn/site/images/ic_search.png (3 days)
https://cdn.resources.cdstm.cn/site/images/icon_tz.png (3 days)
https://cdn.resources.cdstm.cn/site/images/icon_xx.png (3 days)
https://cdn.resources.cdstm.cn/site/images/ids/douban.jpg (3 days)
https://cdn.resources.cdstm.cn/site/images/ids/kaixin.jpg (3 days)
https://cdn.resources.cdstm.cn/site/images/ids/netease.jpg (3 days)
https://cdn.resources.cdstm.cn/site/images/ids/qq.jpg (3 days)
https://cdn.resources.cdstm.cn/site/images/ids/renren.jpg (3 days)
https://cdn.resources.cdstm.cn/site/images/ids/sina.jpg (3 days)
https://cdn.resources.cdstm.cn/site/images/kpwsplay.png (3 days)
https://cdn.resources.cdstm.cn/site/images/m_heng.png (3 days)
https://cdn.resources.cdstm.cn/site/images/m_searchlogo.png (3 days)
https://cdn.resources.cdstm.cn/site/images/search.png (3 days)
https://cdn.resources.cdstm.cn/site/images/spirite.png (3 days)
https://cdn.resources.cdstm.cn/site/images/sucess1.png (3 days)
https://cdn.resources.cdstm.cn/site/images/time.png (3 days)
https://cdn.resources.cdstm.cn/site/images/top_m_logo.png (3 days)
https://cdn.resources.cdstm.cn/site/images/top_m_menu.png (3 days)
https://cdn.resources.cdstm.cn/site/images/top_m_searchlogo.png (3 days)
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https://cdn.resources.cdstm.cn/site/js/respond.js (3 days)
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priority - 10 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 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:

https://cdn.resources.cdstm.cn/site/js/TRSIDSUtil.js
https://cdn.resources.cdstm.cn/site/js/jquery.min.js

Optimize CSS Delivery of the following:

https://cdn.resources.cdstm.cn/site/css/bootstrap.min.css
https://cdn.resources.cdstm.cn/site/css/font-awesome.min.css
https://cdn.resources.cdstm.cn/site/css/index.css
https://cdn.resources.cdstm.cn/site/css/nav.css
https://cdn.resources.cdstm.cn/site/css/header-index.css
https://cdn.resources.cdstm.cn/site/css/m_style_csj_top.css

priority - 7 Avoid 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://cdstm.cn/
http://www.cdstm.cn/
https://www.cdstm.cn/

priority - 1 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 8.5KiB (18% reduction).

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priority - 1 Minify 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 7.5KiB (20% reduction).

Minifying https://ids.cdstm.cn/ids/admin/login.jsp could save 4.1KiB (25% reduction).
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priority - 1 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 5.4KiB (31% reduction).

Minifying https://ids.cdstm.cn/ids/admin/js/IDSUtil_v5.js could save 3.8KiB (33% reduction).
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priority - 0 Reduce server response time

In our test, your server responded in 0.22 seconds. There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.

cdstm.cn Desktop Resources

Total Resources150
Number of Hosts13
Static Resources128
JavaScript Resources18
CSS Resources13

cdstm.cn Desktop Resource Breakdown

cdstm.cn mobile page speed rank

Last tested: 2017-05-20


Mobile Speed Bad
22/100

cdstm.cn Mobile Speed Test Quick Summary


priority - 243 Optimize images

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priority - 40 Eliminate 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.

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.

Optimize CSS Delivery of the following:

https://cdn.resources.cdstm.cn/site/css/bootstrap.min.css

priority - 26 Avoid 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://cdstm.cn/
http://www.cdstm.cn/
https://www.cdstm.cn/

priority - 15 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:

https://cdn.resources.cdstm.cn/site/css/bootstrap.min.css (3 days)
https://cdn.resources.cdstm.cn/site/css/font-awesome.min.css (3 days)
https://cdn.resources.cdstm.cn/site/css/header-index.css (3 days)
https://cdn.resources.cdstm.cn/site/css/index.css (3 days)
https://cdn.resources.cdstm.cn/site/css/m_style_csj_top.css (3 days)
https://cdn.resources.cdstm.cn/site/css/nav.css (3 days)
https://cdn.resources.cdstm.cn/site/images/arr_right.png (3 days)
https://cdn.resources.cdstm.cn/site/images/bg_line.png (3 days)
https://cdn.resources.cdstm.cn/site/images/closeico.png (3 days)
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https://cdn.resources.cdstm.cn/site/images/headbg.png (3 days)
https://cdn.resources.cdstm.cn/site/images/header-logo.png (3 days)
https://cdn.resources.cdstm.cn/site/images/ic_search.png (3 days)
https://cdn.resources.cdstm.cn/site/images/icon_tz.png (3 days)
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https://cdn.resources.cdstm.cn/site/js/TRSIDSUtil.js (3 days)
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https://cdn.resources.cdstm.cn/site/js/userConsole.js (3 days)

priority - 1 Enable compression

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priority - 0 Minify HTML

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priority - 0 Minify CSS

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priority - 0 Reduce server response time

In our test, your server responded in 0.22 seconds. There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.

priority - 0 Minify JavaScript

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cdstm.cn Mobile Resources

Total Resources111
Number of Hosts12
Static Resources99
JavaScript Resources14
CSS Resources6

cdstm.cn Mobile Resource Breakdown

cdstm.cn mobile page usability

Last tested: 2017-05-20


Mobile Usability Good
99/100

cdstm.cn Mobile Usability Test Quick Summary


priority - 0 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.

The tap target <dd class="search_span">搜索</dd> is close to 1 other tap targets.
The tap target <div class="hm-t-feedback-…old-button-txt">反馈建议</div> is close to 1 other tap targets.

cdstm.cn Mobile Resources

Total Resources111
Number of Hosts12
Static Resources99
JavaScript Resources14
CSS Resources6

cdstm.cn Mobile Resource Breakdown

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cdstm.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.


cdstm.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.