Tools & Wizards About Us
finisar.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

finisar.com

Global Leader in Materials, Networking, and Lasers | Coherent

Page Load Speed

3.2 sec in total

First Response

1.1 sec

Resources Loaded

2.1 sec

Page Rendered

60 ms

finisar.com screenshot

About Website

Welcome to finisar.com homepage info - get ready to check Finisar best content for United States right away, or after learning these important things about finisar.com

Learn how Coherent empowers innovations and breakthrough technologies for the industrial, communications, electronics, and instrumentation markets.

Visit finisar.com

Key Findings

We analyzed Finisar.com page load time and found that the first response time was 1.1 sec and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

finisar.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value2,050 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.095

91/100

15%

TTI (Time to Interactive)

Value22.1 s

1/100

10%

Network Requests Diagram

finisar.com

1070 ms

networking

62 ms

main.css

10 ms

beacon.js

47 ms

vedd3670a3b1c4e178fdfb0cc912d969e1713874337387

25 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that 20% of them (1 request) were addressed to the original Finisar.com, 40% (2 requests) were made to Coherent.com and 20% (1 request) were made to Performance.radar.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Finisar.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.7 kB (46%)

Content Size

8.0 kB

After Optimization

4.3 kB

  • HTML
  • CSS

In fact, the total size of Finisar.com main page is 8.0 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 5.8 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 3.6 kB

  • Original 5.8 kB
  • After minification 5.4 kB
  • After compression 2.1 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 3.6 kB or 63% of the original size.

CSS Optimization

-1%

Potential reduce by 13 B

  • Original 2.2 kB
  • After minification 2.2 kB
  • After compression 2.2 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. Finisar.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

  • CSS

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Finisar. According to our analytics all requests are already optimized.

Network Requests Diagram

finisar.com

finisar.com

1070 ms

networking

networking

62 ms

main.css

main.css

10 ms

beacon.js

beacon.js

47 ms

vedd3670a3b1c4e178fdfb0cc912d969e1713874337387

vedd3670a3b1c4e178fdfb0cc912d969e1713874337387

25 ms

Accessibility Review

finisar.com accessibility score

90

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

finisar.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

finisar.com SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    EN

  • Encoding

    UTF-8

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

finisar.com

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