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dicp.ac.cn: 中国科学院大连化学物理研究所

大连化物所是一个基础研究与应用研究并重、应用研究和技术转化相结合,以任务带学科为主要特色的综合性研究所。重点学科领域为:催化化学、工程化学、化学激光和分子反应动力学以及近代分析化学和生物技术。大连化物所围绕国家能源发展战略,于2011年10月启动了洁净能源国家实验室(DNL)的筹建工作,DNL是我国能源领域筹建的第一个国家实验室,共规划筹建化石能源与应用催化、低碳催化与工程、节能与环境、燃料电池、...

Page load speed analysis

  • 43/100

    Normal result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    2.2 sec

  • Resources loaded

    11.1 sec

  • Page rendered

    206 ms

  • Total page load time

    13.5 sec

Click here to check amazing Dicp content for China. Otherwise, check out these important facts you probably never knew about dicp.ac.cn

We analyzed Dicp.ac.cn page load time and found that the first response time was 2.2 sec and then it took 11.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Page optimization

  • HTML 160.3 kB
    Images 1.0 MB
    Javascripts 205.5 kB
    CSS 8.1 kB

    In fact, the total size of Dicp.ac.cn main page is 1.4 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. 45% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

    • Original 160.3 kB
    • After minification 141.5 kB
    • After compression 18.8 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. This page needs HTML code to be minified as it can gain 18.8 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 141.5 kB or 88% of the original size.

    • Original 1.0 MB
    • After optimization 801.8 kB

    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, Dicp needs image optimization as it can save up to 203.5 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 205.5 kB
    • After minification 197.6 kB
    • After compression 71.5 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 134.0 kB or 65% of the original size.

    • Original 8.1 kB
    • After minification 6.7 kB
    • After compression 2.2 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. Dicp.ac.cn needs all CSS files to be minified and compressed as it can save up to 5.9 kB or 73% of the original size.

Network requests diagram

  • www.dicp.ac.cn
  • cnz01main.css
  • scroll.css
  • scroll.js
  • jquery.js
  • menu01_20339.js
  • menu03_20344.js
  • menu04_20346.js
  • menu_20348.css
  • menu02_20341.js
  • cnz01ltt.gif
  • cnz01icon.jpg
  • cnz01ggbk.gif
  • xxpt_bg01.gif
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  • xxpt_14.gif
  • xxpt_15.gif
  • xxpt_16.gif
  • xxpt_bg03.gif
  • 2015111103.png
  • W020160111291018636347.jpg
  • jjny6.jpg
  • jjny5.jpg
  • kpyd8.jpg
  • cnz01ttjt.gif
  • cnz01cctbk.gif
  • icoan01.gif
  • cnz01null.gif
  • 12_on.gif
  • menux.gif
  • 1_on.gif
  • 2_on.gif
  • 3_on.gif
  • 4_on.gif
  • 5_on.gif
  • 6_on.gif
  • 7_on.gif
  • 10_on.gif
  • 8_on.gif
  • 9_on.gif
  • 11_on.gif
  • note_20612.js
  • note_091201.js
  • note_091202.js
  • bgpt_r61.jpg
  • bgpt_r67.jpg
  • bgpt_r63.jpg
  • bgpt_r64.jpg
  • bgpt_r65.jpg
  • wbtrk2.js
  • goup.gif
  • godown.gif
  • bgr_r10_c1.jpg
  • icoan03.gif
  • bgr_r14_c1.jpg
  • 2015111102.jpg
  • 2015111101.jpg
  • W020131120331919158828.jpg
  • cnz01topbg.gif
  • cnz01schbg.gif
  • cnz01banner.jpg
  • 1_ov.gif
  • 2_ov.gif
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  • 4_ov.gif
  • 5_ov.gif
  • 6_ov.gif
  • 7_ov.gif
  • 8_ov.gif
  • 9_ov.gif
  • cnz01menubg.gif
  • to03.gif
  • to02.gif
  • W020140110405682902250.jpg
  • W020150109496169895490.jpg
  • W020140923807013534882.jpg
  • W020131121289076620828.jpg
  • W020121011454082165209.jpg
  • W020151010371254977167.jpg
  • bgr_r20_c1.jpg
  • cnz01abk.gif
  • cnz01zklogo.png
  • dicp20140701zw.png
  • cnz01tdot.gif
  • cnz01lbg.gif
  • cnz01lmenubg.jpg
  • cnz01lmbgh.gif
  • xxpt_bg02.gif
  • xstz_01.gif
  • xstz_02.gif
  • xian02.gif
  • xstz_03.gif
  • bg01.jpg
  • cnz01rbbg.gif
  • cnz01rtbg.jpg
  • cnz01xx02.gif
  • cnz01cccg.jpg
  • 20140404.gif
  • gg_bg01.jpg
  • CA330000000604277970001.js
  • gg_title01.gif
  • gg_title02.gif
  • bgr_r3_c1.jpg
  • xian.gif
  • cnz01rtvg.gif
  • bgr_r15_c1.jpg
  • blue.png
  • __wbtrk.gif

Our browser made a total of 120 requests to load all elements on the main page. We found that 68% of them (81 requests) were addressed to the original Dicp.ac.cn, 28% (34 requests) were made to Dicp.cas.cn and 2% (2 requests) were made to Dicp.cn. The less responsive or slowest element that took the longest time to load (4.2 sec) relates to the external source Dcs.conac.cn.

Additional info on dicp.ac.cn

Requests

The browser has sent 118 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dicp. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

11

Javascripts

104

Images

3

CSS

118

All

Possible request optimization

1

Javascripts

76

Images

3

CSS

38

Optimized

80

All

Normal result

IP address

Dicp.ac.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

dicp.ac.cn

iphy.ac.cn

ict.ac.cn

ia.ac.cn

igsnrr.ac.cn

159.226.242.44

DNS records

Type Host Target/ip TTL Other
NS

dicp.ac.cn

rose.dicp.ac.cn 3600
NS

dicp.ac.cn

ns1.dicp.ac.cn 3600
NS

dicp.ac.cn

ms.dicp.ac.cn 3600
SOA

dicp.ac.cn

3600 Mname: ms.dicp.ac.cn
Rname: root.ms.dicp.ac.cn
Serial: 3201911190
Refresh: 7200
Retry: 3600
Expire: 604800
Minimum-ttl: 86400
MX

dicp.ac.cn

mx.cstnet.cn 3600 Pri: 5

Language and encoding

Normal result

Language

ZH zh language flag

Detected

N/A  language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dicp.ac.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 Dicp.ac.cn main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

HTTPS certificate

SSL Certificate

Dicp.ac.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 92.8% of all visits is China. It’s good for Dicp.ac.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 Dicp. 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:

dicp.ac.cn

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