Tools & Wizards About Us
planete-jazz.fr screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

planete-jazz.fr

Planète Jazz Ecole de musique Nantes : piano, guitare, batterie, clarinette

Page Load Speed

5 sec in total

First Response

432 ms

Resources Loaded

3.9 sec

Page Rendered

594 ms

planete-jazz.fr screenshot

About Website

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

Planète Jazz est une école de musique en plein coeur de Nantes, qui propose des cours indiduels poour tout instrument : piano, guitare, batterie, clarinette

Visit planete-jazz.fr

Key Findings

We analyzed Planete-jazz.fr page load time and found that the first response time was 432 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

planete-jazz.fr performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value1,190 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.784

5/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

www.planete-jazz.fr

432 ms

h9g08.css

155 ms

h9gn6.css

393 ms

css

31 ms

jquery.min.js

255 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 88% of them (42 requests) were addressed to the original Planete-jazz.fr, 4% (2 requests) were made to Fonts.googleapis.com and 4% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (756 ms) belongs to the original domain Planete-jazz.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 127.4 kB (7%)

Content Size

1.8 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Planete-jazz.fr main page is 1.8 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. 50% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 114.8 kB

  • Original 143.5 kB
  • After minification 140.1 kB
  • After compression 28.6 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. 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 114.8 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 10.7 kB

  • Original 1.3 MB
  • After minification 1.3 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. Planete Jazz images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 345 B

  • Original 233.9 kB
  • After minification 233.9 kB
  • After compression 233.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 1.5 kB

  • Original 98.3 kB
  • After minification 98.3 kB
  • After compression 96.8 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. Planete-jazz.fr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (33%)

Requests Now

45

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Planete 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 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.planete-jazz.fr

www.planete-jazz.fr

432 ms

h9g08.css

h9g08.css

155 ms

h9gn6.css

h9gn6.css

393 ms

css

css

31 ms

jquery.min.js

jquery.min.js

255 ms

gtm4wp-contact-form-7-tracker.js

gtm4wp-contact-form-7-tracker.js

199 ms

gtm4wp-form-move-tracker.js

gtm4wp-form-move-tracker.js

290 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

523 ms

mediaelement-migrate.min.js

mediaelement-migrate.min.js

509 ms

wp-mediaelement.min.js

wp-mediaelement.min.js

508 ms

layerslider.utils.js

layerslider.utils.js

531 ms

layerslider.kreaturamedia.jquery.js

layerslider.kreaturamedia.jquery.js

611 ms

layerslider.transitions.js

layerslider.transitions.js

531 ms

avia-footer-scripts-02d102f73fea240df97365b8a3b332d2---646746bff180f.js

avia-footer-scripts-02d102f73fea240df97365b8a3b332d2---646746bff180f.js

634 ms

gtm.js

gtm.js

215 ms

planete-jazz-logo.jpg

planete-jazz-logo.jpg

249 ms

background.png

background.png

248 ms

batterie.png

batterie.png

355 ms

guitare-electrique.png

guitare-electrique.png

250 ms

guitare-seche.png

guitare-seche.png

355 ms

basse.png

basse.png

367 ms

saxophone.png

saxophone.png

368 ms

piano.png

piano.png

431 ms

micro.png

micro.png

419 ms

contrebasse.png

contrebasse.png

420 ms

flute-traversiere.png

flute-traversiere.png

420 ms

violon.png

violon.png

420 ms

clarinette-e1647430526551.png

clarinette-e1647430526551.png

420 ms

bg-transparent-instruments.png

bg-transparent-instruments.png

446 ms

IMG_2621-Edit.jpg

IMG_2621-Edit.jpg

553 ms

brass-classic-classical-music-45243.jpg

brass-classic-classical-music-45243.jpg

629 ms

Concert-Planete-Jazz-V8-845x321.png

Concert-Planete-Jazz-V8-845x321.png

756 ms

001-piano.svg

001-piano.svg

505 ms

002-guitar-1.svg

002-guitar-1.svg

518 ms

012-electric-guitar.svg

012-electric-guitar.svg

529 ms

010-saxophone.svg

010-saxophone.svg

591 ms

008-violin.svg

008-violin.svg

610 ms

003-clarinet.svg

003-clarinet.svg

614 ms

004-flute.svg

004-flute.svg

626 ms

006-drum.svg

006-drum.svg

678 ms

007-microphone.svg

007-microphone.svg

700 ms

font

font

41 ms

font

font

49 ms

entypo-fontello.woff

entypo-fontello.woff

556 ms

CenturyGothic-Bold.woff

CenturyGothic-Bold.woff

566 ms

avia_google_recaptcha_api.js

avia_google_recaptcha_api.js

423 ms

css

css

57 ms

api.js

api.js

34 ms

Accessibility Review

planete-jazz.fr accessibility score

90

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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.

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

planete-jazz.fr 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

SEO Factors

planete-jazz.fr SEO score

99

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

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 Planete-jazz.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 Planete-jazz.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

planete-jazz.fr

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