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    Performance

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    Accessibility

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    Best Practices

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    SEO

gpyq.chem17.com

光谱网-中国化工仪器网旗下子网

Page Load Speed

22.3 sec in total

First Response

2.7 sec

Resources Loaded

19.2 sec

Page Rendered

387 ms

gpyq.chem17.com screenshot

About Website

Welcome to gpyq.chem17.com homepage info - get ready to check Gpyq Chem 17 best content for China right away, or after learning these important things about gpyq.chem17.com

光谱网是中国化工仪器网旗下子网站，汇聚了分子荧光光度计，原子荧光分光光度计，傅里叶红外光谱仪，x射线荧光光谱仪，激光拉曼光谱仪，微型光纤光谱仪，海洋光学光纤光谱仪，火焰原子吸收分光光度计，电感耦合等离子体光谱仪，icp原子发射光谱仪等产品信息，同时为您提供光谱相关仪器产品设备的资讯、价格、企业厂商、技术资料等信息。

Visit gpyq.chem17.com

Key Findings

We analyzed Gpyq.chem17.com page load time and found that the first response time was 2.7 sec and then it took 19.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

gpyq.chem17.com performance score

0

Network Requests Diagram

subweb240.html

2656 ms

push.js

718 ms

channel%20v=2015.css

27 ms

jsLibrary.js

21 ms

jquery.min.js

44 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Gpyq.chem17.com, 11% (9 requests) were made to Img66.chem17.com and 10% (8 requests) were made to Img67.chem17.com. The less responsive or slowest element that took the longest time to load (13.6 sec) relates to the external source Img54.chem17.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 365.9 kB (22%)

Content Size

1.7 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gpyq.chem17.com main page is 1.7 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. 30% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 49.4 kB

  • Original 62.5 kB
  • After minification 57.5 kB
  • After compression 13.1 kB

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 49.4 kB or 79% of the original size.

Image Optimization

-11%

Potential reduce by 148.4 kB

  • Original 1.4 MB
  • After minification 1.3 MB

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, Gpyq Chem 17 needs image optimization as it can save up to 148.4 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-77%

Potential reduce by 146.0 kB

  • Original 189.0 kB
  • After minification 124.1 kB
  • After compression 43.1 kB

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 146.0 kB or 77% of the original size.

CSS Optimization

-83%

Potential reduce by 22.2 kB

  • Original 26.7 kB
  • After minification 21.0 kB
  • After compression 4.5 kB

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. Gpyq.chem17.com needs all CSS files to be minified and compressed as it can save up to 22.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (10%)

Requests Now

79

After Optimization

71

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gpyq Chem 17. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

subweb240.html

subweb240.html

2656 ms

push.js

push.js

718 ms

channel%20v=2015.css

channel%20v=2015.css

27 ms

jsLibrary.js

jsLibrary.js

21 ms

jquery.min.js

jquery.min.js

44 ms

jQselect.js

jQselect.js

18 ms

json2.js

json2.js

21 ms

jtips.js

jtips.js

29 ms

SlidingDoors201413.js

SlidingDoors201413.js

28 ms

common.ashx

common.ashx

305 ms

Industry.Vivian,Industry.ashx

Industry.Vivian,Industry.ashx

559 ms

tabSwitch.js

tabSwitch.js

33 ms

hm.js

hm.js

487 ms

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284 ms

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808 ms

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21 ms

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249 ms

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1032 ms

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1219 ms

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1591 ms

SEO Factors

gpyq.chem17.com SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gpyq.chem17.com 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 Gpyq.chem17.com 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.

Social Sharing Optimization

gpyq.chem17.com

Open Graph description is not detected on the main page of Gpyq Chem 17. 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: