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Report Summary

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    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

tj-chem.net

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Page Load Speed

5 sec in total

First Response

1.6 sec

Resources Loaded

2.9 sec

Page Rendered

519 ms

tj-chem.net screenshot

About Website

Welcome to tj-chem.net homepage info - get ready to check Tj Chem best content right away, or after learning these important things about tj-chem.net

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Key Findings

We analyzed Tj-chem.net page load time and found that the first response time was 1.6 sec and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

tj-chem.net performance score

0

Network Requests Diagram

tj-chem.net

1598 ms

style.css

106 ms

background.gif

88 ms

layout_infront.png

113 ms

layout_icons.png

112 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 50% of them (8 requests) were addressed to the original Tj-chem.net, 19% (3 requests) were made to S.ytimg.com and 13% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Tj-chem.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 371.0 kB (69%)

Content Size

538.3 kB

After Optimization

167.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tj-chem.net main page is 538.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. CSS take 266.3 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 13.2 kB

  • Original 18.2 kB
  • After minification 17.4 kB
  • After compression 5.1 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 13.2 kB or 72% of the original size.

Image Optimization

-6%

Potential reduce by 2.8 kB

  • Original 46.6 kB
  • After minification 43.8 kB

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. Tj Chem images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 134.6 kB

  • Original 207.2 kB
  • After minification 207.1 kB
  • After compression 72.6 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 134.6 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 220.4 kB

  • Original 266.3 kB
  • After minification 261.4 kB
  • After compression 45.9 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. Tj-chem.net needs all CSS files to be minified and compressed as it can save up to 220.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (23%)

Requests Now

13

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tj Chem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

tj-chem.net

tj-chem.net

1598 ms

style.css

style.css

106 ms

background.gif

background.gif

88 ms

layout_infront.png

layout_infront.png

113 ms

layout_icons.png

layout_icons.png

112 ms

layout_background.gif

layout_background.gif

114 ms

bluesky.jpg

bluesky.jpg

115 ms

header_img_frame.gif

header_img_frame.gif

114 ms

O5PjJRsr48s

O5PjJRsr48s

87 ms

www-embed-player-vflfNyN_r.css

www-embed-player-vflfNyN_r.css

28 ms

www-embed-player.js

www-embed-player.js

66 ms

base.js

base.js

106 ms

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

73 ms

ad_status.js

ad_status.js

107 ms

2UX7WLTfW3W8TclTUvlFyQ.woff

2UX7WLTfW3W8TclTUvlFyQ.woff

100 ms

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

102 ms

SEO Factors

tj-chem.net SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tj-chem.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed Japanese language. Our system also found out that Tj-chem.net 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.

Social Sharing Optimization

tj-chem.net

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