Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

culturejazz.fr

CultureJazz.fr

Page Load Speed

5.8 sec in total

First Response

279 ms

Resources Loaded

4.8 sec

Page Rendered

704 ms

About Website

Visit culturejazz.fr now to see the best up-to-date Culture Jazz content and also check out these interesting facts you probably never knew about culturejazz.fr

CultureJazz.fr est un magazine spécialisé (jazz, musiques improvisées...) créé en août 2003. Le site est géré de manière collégiale et collaborative par une équipe de rédacteurs-administrateurs bénévo...

Visit culturejazz.fr

Key Findings

We analyzed Culturejazz.fr page load time and found that the first response time was 279 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

culturejazz.fr performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value390 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

culturejazz.fr

279 ms

culturejazz.fr

854 ms

e9fd10cbcb34abe90ea3f3f73395df6c.css

90 ms

f3ae705c12d32a41ae41d403e0411073.js

343 ms

95410281465a171195de2e99b2e7694c.css

410 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 90% of them (26 requests) were addressed to the original Culturejazz.fr, 3% (1 request) were made to Kit.fontawesome.com and 3% (1 request) were made to App.mailjet.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Culturejazz.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.3 kB (5%)

Content Size

601.1 kB

After Optimization

571.7 kB

In fact, the total size of Culturejazz.fr main page is 601.1 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. Images take 559.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 26.7 kB

  • Original 33.3 kB
  • After minification 29.6 kB
  • After compression 6.6 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. This page needs HTML code to be minified as it can gain 3.8 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 26.7 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 177 B

  • Original 559.7 kB
  • After minification 559.5 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. Culture Jazz images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 2.4 kB

  • Original 8.0 kB
  • After minification 8.0 kB
  • After compression 5.6 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 2.4 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (16%)

Requests Now

19

After Optimization

16

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Culture Jazz. 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.

Accessibility Review

culturejazz.fr accessibility score

92

Accessibility Issues

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

culturejazz.fr best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

culturejazz.fr SEO score

84

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 Culturejazz.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 Culturejazz.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 data is detected on the main page of Culture Jazz. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: