Tools & Wizards About Us

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

sigma-photo.fr

Boîtiers Foveon et objectifs pour reflex et hybride - SIGMA France

Page Load Speed

2.3 sec in total

First Response

660 ms

Resources Loaded

1.5 sec

Page Rendered

122 ms

About Website

Click here to check amazing SIGMA Photo content for France. Otherwise, check out these important facts you probably never knew about sigma-photo.fr

Fabricant de boîtiers équipés du capteur Foveon X3, d’objectifs Art, Contemporary et Sports pour les boîtiers reflex et hybrides et de filtres de haute qualité. Toutes les infos sur nos produits, les ...

Visit sigma-photo.fr

Key Findings

We analyzed Sigma-photo.fr page load time and found that the first response time was 660 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

sigma-photo.fr performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.289

41/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

www.sigma-photo.fr

660 ms

v_244_e0c43696a6669ed37b9a6faac3b6e6be_all.css

107 ms

40f0d-20240415-20240531-ODR-PRINTEMPS-SIGMA-HEADERb.jpg

136 ms

bf2d2-202404-CanonRF.jpg

122 ms

21c9b-20230326-50mm12.jpg

121 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that all of those requests were addressed to Sigma-photo.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (660 ms) belongs to the original domain Sigma-photo.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 83.7 kB (3%)

Content Size

2.6 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sigma-photo.fr main page is 2.6 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 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 83.5 kB

  • Original 101.9 kB
  • After minification 100.5 kB
  • After compression 18.4 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 83.5 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.3 MB
  • After minification 2.3 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. SIGMA Photo images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 42 B

  • Original 185.4 kB
  • After minification 185.4 kB
  • After compression 185.4 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.

CSS Optimization

-0%

Potential reduce by 88 B

  • Original 20.4 kB
  • After minification 20.4 kB
  • After compression 20.3 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. Sigma-photo.fr has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SIGMA Photo. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

sigma-photo.fr accessibility score

82

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

Buttons do not have an accessible name

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

sigma-photo.fr best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

sigma-photo.fr SEO score

88

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

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

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