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21csp.com.cn: 中国安全防范产品行业协会

公安部科信局支持,中国安防协会主办。提供权威准确的法规政策、标准信息、行业资讯,拥有全面详实的安防产品库、安防商家库、安防解决方案库等。为安防管理机构、安防企业、安防用户及相关机构提供全方位的线上线下咨询服务。

Page load speed analysis

  • 43/100

    Normal result
  • 4

    Successful tests
  • 4

    Failed tests
  • First response

    893 ms

  • Resources loaded

    33.3 sec

  • Page rendered

    646 ms

  • Total page load time

    34.8 sec

Click here to check amazing 21 Csp content for China. Otherwise, check out these important facts you probably never knew about 21csp.com.cn

We analyzed 21csp.com.cn page load time and found that the first response time was 893 ms and then it took 33.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Page optimization

  • HTML 134.7 kB
    Images 2.4 MB
    Javascripts 525.1 kB
    CSS 29.1 kB

    In fact, the total size of 21csp.com.cn main page is 3.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

    • Original 134.7 kB
    • After minification 127.0 kB
    • After compression 26.1 kB

    HTML optimization

    HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 108.6 kB or 81% of the original size.

    • Original 2.4 MB
    • After optimization 2.1 MB

    Image optimization

    Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, 21 Csp needs image optimization as it can save up to 333.1 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 525.1 kB
    • After minification 499.9 kB
    • After compression 123.5 kB

    JavaScript optimization

    It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 401.7 kB or 76% of the original size.

    • Original 29.1 kB
    • After minification 24.8 kB
    • After compression 5.6 kB

    CSS optimization

    CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. 21csp.com.cn needs all CSS files to be minified and compressed as it can save up to 23.5 kB or 81% of the original size.

Network requests diagram

  • 21csp.com.cn
  • www.21csp.com.cn
  • pub20157.css
  • ind20157.css
  • function.js
  • wb.js
  • jquery-1.9.1.min.js
  • UserInterface.js
  • ADFunc.js
  • js_AD20152.js
  • PicChange.js
  • HotWords.js
  • stat.php
  • gettrade.js
  • getposition.js
  • GetProvince.js
  • getprofession.js
  • searchjs.js
  • CSPWeiXin.gif
  • t201506241534431684.jpg
  • 20131227103934273427.jpg
  • Logo69.jpg
  • Logo76.jpg
  • Logo104.jpg
  • Logo112.jpg
  • Logo168.jpg
  • Logo150117.jpg
  • tt_bj.jpg
  • logo.jpg
  • wx.jpg
  • swx.png
  • close.jpg
  • pacs_wz.jpg
  • baiduonline.png
  • zhcs.jpg
  • llaf.jpg
  • yhzc.jpg
  • sqrh.jpg
  • fbcp.jpg
  • sqzz.jpg
  • news_x.jpg
  • Product_x.jpg
  • o201604011532071508.jpg
  • o201603091527325158.jpg
  • 000s.jpg
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  • Project_x.jpg
  • xh_x.jpg
  • 2015050511285930585.gif
  • 2014082709585556809.jpg
  • 2014031414245023749.jpg
  • 2014030310385623453.png
  • 2014022517032397854.jpg
  • 2013011709391948602.jpg
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  • 2016417gmSJhkcK3.jpg
  • 201647105546xu4TC_S.jpg
  • 20164792511TeuLb_S.jpg
  • 20164512058AoAvT_S.jpg
  • 201633116139leQrD_S.jpg
  • 20163301037129MpRi_S.jpg
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  • 2016322avKFg6LdgC.gif
  • 2016040715390355355.jpg
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  • 20160407152919381938.jpg
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  • 20160325110356795679.jpg
  • 201646QTDrTxERiI.jpg
  • 201641MpwEpPAAMn.jpg
  • 20160407170062986298.jpg
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  • 20140918171881218121.jpg
  • 20140918171022502250.jpg
  • 20140918165757415741.jpg
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  • 20140918143588788878.png
  • 20140918111283878387.jpg
  • 20131213105736163616.jpg
  • 7912.jpg
  • 2854.jpg
  • 236.jpg
  • 2944.jpg
  • 16927_S.jpg
  • 25736_S.jpg
  • 23222_S.jpg
  • hr_x.jpg
  • stat.htm
  • core.php
  • AJAX_data.asp
  • nav_line.jpg
  • tbtj.jpg
  • ztjx.jpg
  • dian.jpg
  • m2_tit.jpg
  • jt2.jpg
  • 9.gif
  • pic.gif
  • jtb1.jpg
  • STwoline.jpg
  • yd.png
  • m2libj.jpg
  • 20140919100474087408.jpg
  • twoline.jpg
  • m4_line.jpg
  • app.gif
  • pt_1.png
  • pt_2.png
  • pt_3.png
  • pt_4.png
  • pt_5.png
  • pt_6.png
  • 20160408093152785278.jpg
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  • pt_7.png
  • PH.jpg
  • 20160331161811401140.jpg
  • dzyb_bj.jpg
  • twoline3.jpg
  • listlibottombg.gif
  • rh_btn.jpg
  • search_case.jpg
  • sd.jpg
  • rh_btn2.jpg
  • rh_btn3.jpg
  • Twoline.jpg
  • bot.jpg
  • foot.jpg
  • dian.jpg
  • loading1.gif
  • bundle.js
  • kl1000.jpg
  • ADshow.gif
  • SYLiling25.gif
  • dnk_85x285.gif
  • SYdnake25.gif
  • PearmainAD.gif
  • ms75x56.gif
  • leelen392x76.gif
  • sony365x52px.gif
  • YGDZ.jpg
  • ggzs164x57.jpg
  • sprite40.png
  • kl85.jpg
  • zxelec.gif
  • zhongwei-2.gif
  • Bosch243-61.jpg
  • Panasonic243.gif
  • tl496x60.gif
  • TCL495x60.gif
  • elite.jpg
  • llkm360.jpg
  • ajb500.jpg
  • ml500x60jpg.jpg
  • YAAN2015.jpg
  • tiandy422x60.jpg
  • gl330x50.jpg
  • konlan.gif
  • sda330x50.gif
  • ggzs164x57.jpg
  • integrated.gif
  • bql164x57.gif
  • snkj164.gif
  • vdin.gif
  • deepglint.jpg
  • qjsz.gif
  • rl.gif
  • tyco.gif
  • frd260x60.gif
  • weiduo.gif
  • ky372X70.jpg
  • dali60.jpg

Our browser made a total of 201 requests to load all elements on the main page. We found that 45% of them (90 requests) were addressed to the original 21csp.com.cn, 20% (40 requests) were made to News.21csp.com.cn and 16% (32 requests) were made to Ad.21csp.com.cn. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain 21csp.com.cn.

Additional info on 21csp.com.cn

Requests

The browser has sent 197 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 21 Csp. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

16

Javascripts

178

Images

2

CSS

1

AJAX

197

All

Possible request optimization

1

Javascripts

170

Images

2

CSS

1

AJAX

23

Optimized

174

All

Normal result

Redirects

As for redirects, our browser was forwarded to http://www.21csp.com.cn/ before it reached this domain.

IP address

21csp.com.cn uses IP address which is currently shared with 4 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Poor result

IP Trace

DNS records

Type Host Target/ip TTL Other
A

21csp.com.cn

122.112.2.221 3600
NS

21csp.com.cn

dns21.hichina.com 86400
NS

21csp.com.cn

dns22.hichina.com 86400
SOA

21csp.com.cn

600 Mname: dns21.hichina.com
Rname: hostmaster.hichina.com
Serial: 1
Refresh: 3600
Retry: 1200
Expire: 3600
Minimum-ttl: 600
MX

21csp.com.cn

mx2.qiye.aliyun.com 600 Pri: 10

Language and encoding

Poor result

Language

ZH zh language flag

Detected

N/A  language flag

Claimed

Encoding

GB2312

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 21csp.com.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that 21csp.com.cn main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

HTTPS certificate

SSL Certificate

21csp.com.cn has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 99.8% of all visits is China. It’s good for 21csp.com.cn that their server is also located in China, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of 21 Csp. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

21csp.com.cn

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