Tools & Wizards About Us
paris-danse.com screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

paris-danse.com

Paris Danse : Cours de Danse à Paris - Le Guide de référence gratuit

Page Load Speed

3.1 sec in total

First Response

452 ms

Resources Loaded

2.5 sec

Page Rendered

195 ms

paris-danse.com screenshot

About Website

Click here to check amazing Paris Danse content for France. Otherwise, check out these important facts you probably never knew about paris-danse.com

Toutes les Danses à Paris : Le guide de référence des cours de Danse à Paris depuis plus de 17 ans. Retrouvez ici tous les cours et les stages des écoles de danse à Paris.

Visit paris-danse.com

Key Findings

We analyzed Paris-danse.com page load time and found that the first response time was 452 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

paris-danse.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

68/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value430 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.196

63/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

paris-danse.com

452 ms

www.paris-danse.com

452 ms

css

24 ms

jquery.min.js

34 ms

jquery-ui.min.js

56 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 47% of them (36 requests) were addressed to the original Paris-danse.com, 19% (15 requests) were made to Static.xx.fbcdn.net and 6% (5 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Paris-danse.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 176.8 kB (16%)

Content Size

1.1 MB

After Optimization

918.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Paris-danse.com main page is 1.1 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 968.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 38.0 kB

  • Original 50.4 kB
  • After minification 48.9 kB
  • After compression 12.5 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 38.0 kB or 75% of the original size.

Image Optimization

-12%

Potential reduce by 118.5 kB

  • Original 968.6 kB
  • After minification 850.2 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. Obviously, Paris Danse needs image optimization as it can save up to 118.5 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 2.4 kB

  • Original 54.4 kB
  • After minification 53.3 kB
  • After compression 51.9 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.

CSS Optimization

-82%

Potential reduce by 17.9 kB

  • Original 21.9 kB
  • After minification 17.0 kB
  • After compression 4.0 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. Paris-danse.com needs all CSS files to be minified and compressed as it can save up to 17.9 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (43%)

Requests Now

72

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Paris Danse. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

paris-danse.com

paris-danse.com

452 ms

www.paris-danse.com

www.paris-danse.com

452 ms

css

css

24 ms

jquery.min.js

jquery.min.js

34 ms

jquery-ui.min.js

jquery-ui.min.js

56 ms

login.js

login.js

170 ms

008.css

008.css

161 ms

011.css

011.css

163 ms

012.css

012.css

181 ms

bar-1.css

bar-1.css

104 ms

all.js

all.js

88 ms

css

css

14 ms

gif.gif

gif.gif

867 ms

12552747_1097470036960209_4647529345211922365_n.jpg

12552747_1097470036960209_4647529345211922365_n.jpg

559 ms

english-v.png

english-v.png

186 ms

cdm16-3.png

cdm16-3.png

345 ms

acc.png

acc.png

141 ms

programmes.png

programmes.png

139 ms

plan.png

plan.png

138 ms

professeurs.png

professeurs.png

184 ms

disciplines.png

disciplines.png

184 ms

tarif.png

tarif.png

184 ms

webcams.png

webcams.png

205 ms

newsletters.png

newsletters.png

260 ms

FAQ.png

FAQ.png

259 ms

historique.png

historique.png

274 ms

casting.png

casting.png

275 ms

english.png

english.png

299 ms

arrow-down.png

arrow-down.png

329 ms

arrow-up.png

arrow-up.png

330 ms

premier-rendez-vous-du-marais-ce-dimanche-20-mars----partir-de-17h.gif

premier-rendez-vous-du-marais-ce-dimanche-20-mars----partir-de-17h.gif

1485 ms

samedi-19-mars-18h30-master-class-en-danse-classique.png

samedi-19-mars-18h30-master-class-en-danse-classique.png

1262 ms

le-centre-participe-au-flux-le-4-danse-avec-la-mairie-du-4eme.jpg

le-centre-participe-au-flux-le-4-danse-avec-la-mairie-du-4eme.jpg

685 ms

pin_2.png

pin_2.png

403 ms

facebook.png

facebook.png

402 ms

twitter.png

twitter.png

429 ms

iphone.png

iphone.png

483 ms

mail.png

mail.png

481 ms

calendar_ok.png

calendar_ok.png

514 ms

widgets.js

widgets.js

11 ms

ga.js

ga.js

30 ms

bgt15.png

bgt15.png

687 ms

botarr15.png

botarr15.png

591 ms

fdinfo.png

fdinfo.png

643 ms

shine.png

shine.png

685 ms

b9QBgL0iMZfDSpmcXcE8nBPtpc1JAjij63Hi_JcAPQ4.ttf

b9QBgL0iMZfDSpmcXcE8nBPtpc1JAjij63Hi_JcAPQ4.ttf

33 ms

Zd2E9abXLFGSr9G3YK2MsMEHkXu385rSv8spHqOuvSI.ttf

Zd2E9abXLFGSr9G3YK2MsMEHkXu385rSv8spHqOuvSI.ttf

34 ms

__utm.gif

__utm.gif

34 ms

like.php

like.php

200 ms

150 ms

__utm.gif

__utm.gif

39 ms

button.0308b81ff1714e446f674b5b9793f2cd.js

button.0308b81ff1714e446f674b5b9793f2cd.js

29 ms

xd_arbiter.php

xd_arbiter.php

94 ms

xd_arbiter.php

xd_arbiter.php

153 ms

follow_button.b9740740e0bcf9b0657c5b11bd4388da.fr.html

follow_button.b9740740e0bcf9b0657c5b11bd4388da.fr.html

22 ms

login_button.php

login_button.php

128 ms

login_button.php

login_button.php

126 ms

xd_arbiter.php

xd_arbiter.php

58 ms

qeKvIRsJabD.js

qeKvIRsJabD.js

145 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

122 ms

jot

jot

110 ms

Hjtd9I2SKu-.js

Hjtd9I2SKu-.js

181 ms

pO2d5bFWS8j.png

pO2d5bFWS8j.png

86 ms

7_Tav3rWEg4.gif

7_Tav3rWEg4.gif

83 ms

s-BiyweUPV0v-yRb-cjciMDdSZkkecOE1hvV7ZHvhyU.ttf

s-BiyweUPV0v-yRb-cjciMDdSZkkecOE1hvV7ZHvhyU.ttf

12 ms

likebox.php

likebox.php

80 ms

kyEKgjk51ZE.css

kyEKgjk51ZE.css

29 ms

xgj7bXhJNEH.css

xgj7bXhJNEH.css

20 ms

q68gy-v_YMF.js

q68gy-v_YMF.js

111 ms

FJmpeSpHpjS.js

FJmpeSpHpjS.js

123 ms

0wM5s1Khldu.js

0wM5s1Khldu.js

108 ms

1bNoFZUdlYZ.js

1bNoFZUdlYZ.js

109 ms

12654253_1114825148558031_4476506040046450610_n.jpg

12654253_1114825148558031_4476506040046450610_n.jpg

90 ms

wL6VQj7Ab77.png

wL6VQj7Ab77.png

46 ms

s7jcwEQH7Sx.png

s7jcwEQH7Sx.png

45 ms

I6-MnjEovm5.js

I6-MnjEovm5.js

20 ms

pQrUxxo5oQp.js

pQrUxxo5oQp.js

35 ms

Accessibility Review

paris-danse.com accessibility score

86

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-*] attributes do not match their roles

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

Best Practices

paris-danse.com 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

paris-danse.com SEO score

93

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

    FR

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Paris-danse.com can be misinterpreted by Google and other search engines. Our service has detected that French 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 Paris-danse.com main page’s claimed encoding is iso-8859-1. 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

paris-danse.com

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