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Report Summary

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    Performance

  • 0

    Accessibility

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    Best Practices

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    SEO

thorlabschina.cn

Thorlabs, Inc. - Your Source for Fiber Optics, Laser Diodes, Optical Instrumentation and Polarization Measurement & Control

Page Load Speed

20.1 sec in total

First Response

7.4 sec

Resources Loaded

12.6 sec

Page Rendered

150 ms

thorlabschina.cn screenshot

About Website

Welcome to thorlabschina.cn homepage info - get ready to check Thorlabs China best content for China right away, or after learning these important things about thorlabschina.cn

Thorlabs specializes in the building blocks for laser and fiber optic systems. From optomechanical components to telecom test instrumentation, Thorlabs' extensive manufacturing capabilities allow us t...

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Key Findings

We analyzed Thorlabschina.cn page load time and found that the first response time was 7.4 sec and then it took 12.7 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

thorlabschina.cn performance score

0

Network Requests Diagram

thorlabschina.cn

7389 ms

bootstrap.min.css

1870 ms

HomePage_min.css

1409 ms

Thorlabs_Logo_Red.png

1732 ms

jquery-1.11.2.min.js

2324 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 75% of them (9 requests) were addressed to the original Thorlabschina.cn, 17% (2 requests) were made to Hm.baidu.com and 8% (1 request) were made to Server.iad.liveperson.net. The less responsive or slowest element that took the longest time to load (7.4 sec) belongs to the original domain Thorlabschina.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 183.8 kB (62%)

Content Size

297.3 kB

After Optimization

113.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Thorlabschina.cn main page is 297.3 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. Only 10% of websites need less resources to load. Javascripts take 142.3 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 15.8 kB

  • Original 20.1 kB
  • After minification 20.1 kB
  • After compression 4.3 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 15.8 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 1.2 kB

  • Original 47.6 kB
  • After minification 46.4 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. Thorlabs China images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 96.0 kB

  • Original 142.3 kB
  • After minification 142.3 kB
  • After compression 46.3 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 96.0 kB or 67% of the original size.

CSS Optimization

-81%

Potential reduce by 70.9 kB

  • Original 87.3 kB
  • After minification 84.2 kB
  • After compression 16.5 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. Thorlabschina.cn needs all CSS files to be minified and compressed as it can save up to 70.9 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (36%)

Requests Now

11

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thorlabs China. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

thorlabschina.cn

thorlabschina.cn

7389 ms

bootstrap.min.css

bootstrap.min.css

1870 ms

HomePage_min.css

HomePage_min.css

1409 ms

Thorlabs_Logo_Red.png

Thorlabs_Logo_Red.png

1732 ms

jquery-1.11.2.min.js

jquery-1.11.2.min.js

2324 ms

homejs.min.js

homejs.min.js

3280 ms

72 ms

homePageSprites12_17_15.png

homePageSprites12_17_15.png

1690 ms

h.js

h.js

1293 ms

HomePage_mobile_min.css

HomePage_mobile_min.css

428 ms

UEMJS.cfm

UEMJS.cfm

424 ms

hm.gif

hm.gif

331 ms

SEO Factors

thorlabschina.cn SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Thorlabschina.cn can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Thorlabschina.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.

Social Sharing Optimization

thorlabschina.cn

Open Graph description is not detected on the main page of Thorlabs China. 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: