Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

thorlabs.com

Thorlabs - Photonics Products & Solutions

Page Load Speed

1.5 sec in total

First Response

29 ms

Resources Loaded

1.4 sec

Page Rendered

64 ms

thorlabs.com screenshot

About Website

Click here to check amazing Thorlabs content for China. Otherwise, check out these important facts you probably never knew about thorlabs.com

Thorlabs designs and manufactures components, instruments, and systems for the photonics industry. We provide a portfolio of over 22,000 stocked items, complimented by endless custom solutions enabled...

Visit thorlabs.com

Key Findings

We analyzed Thorlabs.com page load time and found that the first response time was 29 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster. This domain responded with an error, which can significantly jeopardize Thorlabs.com rating and web reputation

Performance Metrics

thorlabs.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

51/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value2,360 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value14.1 s

9/100

10%

Network Requests Diagram

www.thorlabs.com

29 ms

_Incapsula_Resource

13 ms

grace-and-drunk-haue-ther-free-of-thence-meant-t

62 ms

_Incapsula_Resource

64 ms

_Incapsula_Resource

63 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 50% of them (5 requests) were addressed to the original Thorlabs.com, 40% (4 requests) were made to Fonts.gstatic.com and 10% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Fonts.googleapis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 587 B (1%)

Content Size

98.0 kB

After Optimization

97.4 kB

In fact, the total size of Thorlabs.com main page is 98.0 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. 30% of websites need less resources to load. Javascripts take 97.0 kB which makes up the majority of the site volume.

HTML Optimization

-43%

Potential reduce by 432 B

  • Original 1.0 kB
  • After minification 1.0 kB
  • After compression 577 B

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 432 B or 43% of the original size.

JavaScript Optimization

-0%

Potential reduce by 155 B

  • Original 97.0 kB
  • After minification 97.0 kB
  • After compression 96.9 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. This website has mostly compressed JavaScripts.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thorlabs. According to our analytics all requests are already optimized.

Accessibility Review

thorlabs.com accessibility score

98

Accessibility Issues

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

thorlabs.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

thorlabs.com SEO score

100

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Thorlabs.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Thorlabs.com main page’s claimed encoding is . 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

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