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ldy.chem17.com screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

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    SEO

ldy.chem17.com

化工仪器网-专业科学仪器-分析检测仪器及实验室仪器设备服务平台

Page Load Speed

16.4 sec in total

First Response

2.6 sec

Resources Loaded

13.2 sec

Page Rendered

506 ms

ldy.chem17.com screenshot

About Website

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

化工仪器网是专业的仪器设备行业B2B门户网站，为用户提供分析仪器、实验室仪器设备、环境监测仪器等仪器相关产品，并实时更新仪器展会、仪器新闻会议、仪器优质供应商、仪器供求商机等市场行情信息，获取更多仪器相关信息就访问化工仪器网。

Visit ldy.chem17.com

Key Findings

We analyzed Ldy.chem17.com page load time and found that the first response time was 2.6 sec and then it took 13.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

ldy.chem17.com performance score

0

Network Requests Diagram

subweb437.html

2610 ms

push.js

666 ms

channel%20v=2015.css

24 ms

jsLibrary.js

19 ms

jquery.min.js

49 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Ldy.chem17.com, 16% (12 requests) were made to Img65.chem17.com and 7% (5 requests) were made to Img67.chem17.com. The less responsive or slowest element that took the longest time to load (9 sec) relates to the external source Img66.chem17.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 372.3 kB (22%)

Content Size

1.7 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ldy.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 46.5 kB

  • Original 59.2 kB
  • After minification 54.5 kB
  • After compression 12.7 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 46.5 kB or 79% of the original size.

Image Optimization

-11%

Potential reduce by 157.7 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, Ldy Chem 17 needs image optimization as it can save up to 157.7 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. Ldy.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 (11%)

Requests Now

75

After Optimization

67

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ldy 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

subweb437.html

subweb437.html

2610 ms

push.js

push.js

666 ms

channel%20v=2015.css

channel%20v=2015.css

24 ms

jsLibrary.js

jsLibrary.js

19 ms

jquery.min.js

jquery.min.js

49 ms

jQselect.js

jQselect.js

552 ms

json2.js

json2.js

20 ms

jtips.js

jtips.js

26 ms

SlidingDoors201413.js

SlidingDoors201413.js

560 ms

common.ashx

common.ashx

567 ms

Industry.Vivian,Industry.ashx

Industry.Vivian,Industry.ashx

836 ms

tabSwitch.js

tabSwitch.js

566 ms

hm.js

hm.js

674 ms

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1608 ms

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1289 ms

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799 ms

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794 ms

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271 ms

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536 ms

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1313 ms

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1881 ms

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1841 ms

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1891 ms

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1645 ms

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1814 ms

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2160 ms

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2433 ms

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5235 ms

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1768 ms

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2211 ms

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footer.png

2746 ms

rightBar.png

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2414 ms

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2719 ms

hm.gif

hm.gif

724 ms

SEO Factors

ldy.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 Ldy.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 Ldy.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

ldy.chem17.com

Open Graph description is not detected on the main page of Ldy 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: