Tools & Wizards About Us
zenith-de-rouen.com screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

zenith-de-rouen.com

Zénith de la Métropole Rouen Normandie

Page Load Speed

23.1 sec in total

First Response

333 ms

Resources Loaded

22 sec

Page Rendered

777 ms

zenith-de-rouen.com screenshot

About Website

Visit zenith-de-rouen.com now to see the best up-to-date Zenith De Rouen content for France and also check out these interesting facts you probably never knew about zenith-de-rouen.com

Sur le Zénith de la Métropole Rouen venez découvrir et assister aux spectacles et concerts. Découvrez et achetez vos places en ligne.

Visit zenith-de-rouen.com

Key Findings

We analyzed Zenith-de-rouen.com page load time and found that the first response time was 333 ms and then it took 22.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

zenith-de-rouen.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value15.9 s

0/100

25%

SI (Speed Index)

Value13.9 s

1/100

10%

TBT (Total Blocking Time)

Value1,530 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.164

72/100

15%

TTI (Time to Interactive)

Value21.7 s

1/100

10%

Network Requests Diagram

zenith-de-rouen.com

333 ms

www.zenith-de-rouen.com

303 ms

www.zenith-de-rouen.com

80 ms

loader.js

431 ms

style.min.css

53 ms

Our browser made a total of 119 requests to load all elements on the main page. We found that 45% of them (54 requests) were addressed to the original Zenith-de-rouen.com, 15% (18 requests) were made to Static.xx.fbcdn.net and 10% (12 requests) were made to Cdn-media.web-view.net. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Francebillet.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 381.4 kB (32%)

Content Size

1.2 MB

After Optimization

814.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zenith-de-rouen.com main page is 1.2 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. Only a small number of websites need less resources to load. Images take 605.3 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 364.9 kB

  • Original 411.4 kB
  • After minification 326.2 kB
  • After compression 46.5 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. This page needs HTML code to be minified as it can gain 85.2 kB, which is 21% 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 364.9 kB or 89% of the original size.

Image Optimization

-1%

Potential reduce by 6.3 kB

  • Original 605.3 kB
  • After minification 599.0 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. Zenith De Rouen images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 10.2 kB

  • Original 121.9 kB
  • After minification 121.9 kB
  • After compression 111.7 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 43 B

  • Original 57.7 kB
  • After minification 57.7 kB
  • After compression 57.6 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. Zenith-de-rouen.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 69 (66%)

Requests Now

105

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zenith De Rouen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zenith-de-rouen.com

zenith-de-rouen.com

333 ms

www.zenith-de-rouen.com

www.zenith-de-rouen.com

303 ms

www.zenith-de-rouen.com

www.zenith-de-rouen.com

80 ms

loader.js

loader.js

431 ms

style.min.css

style.min.css

53 ms

classic-themes.min.css

classic-themes.min.css

150 ms

styles.css

styles.css

60 ms

cff-style.css

cff-style.css

64 ms

font-awesome.min.css

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32 ms

css2

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38 ms

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56 ms

style-generated-blog-20.css

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158 ms

front-widget.css

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85 ms

pum-site.min.css

pum-site.min.css

141 ms

css

css

59 ms

jquery.min.js

jquery.min.js

105 ms

jquery-migrate.min.js

jquery-migrate.min.js

137 ms

index.js

index.js

136 ms

index.js

index.js

364 ms

cff-scripts.js

cff-scripts.js

367 ms

app.js

app.js

375 ms

front-widget.js

front-widget.js

364 ms

core.min.js

core.min.js

364 ms

site.min.js

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365 ms

gtm.js

gtm.js

272 ms

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860 ms

video.php

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926 ms

2139.png

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182 ms

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178 ms

loup.svg

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178 ms

close-search.svg

close-search.svg

529 ms

login.svg

login.svg

178 ms

facebook.svg

facebook.svg

179 ms

instagram.svg

instagram.svg

179 ms

linkedin.svg

linkedin.svg

525 ms

triangle-slider-header-2.svg

triangle-slider-header-2.svg

227 ms

ticket.svg

ticket.svg

224 ms

arrow-slide-left.svg

arrow-slide-left.svg

526 ms

arrow-slide-right.svg

arrow-slide-right.svg

527 ms

background-block.svg

background-block.svg

532 ms

calendar.svg

calendar.svg

525 ms

arrow-dropdown.svg

arrow-dropdown.svg

678 ms

checked.svg

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661 ms

filter.svg

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597 ms

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663 ms

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675 ms

placeholder.png

placeholder.png

594 ms

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875 ms

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663 ms

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677 ms

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SOC-CI-V-ISO-9001-RGB-809x1024.png

678 ms

tel-svg.svg

tel-svg.svg

676 ms

mail.svg

mail.svg

874 ms

www.zenith-de-rouen.com

www.zenith-de-rouen.com

874 ms

close.svg

close.svg

872 ms

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873 ms

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872 ms

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189 ms

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428 ms

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493 ms

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1227 ms

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914 ms

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913 ms

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912 ms

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1167 ms

loader.min.js

loader.min.js

423 ms

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425 ms

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433 ms

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432 ms

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424 ms

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432 ms

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1306 ms

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sdk.2e71e718a23e7508c6fd8cc0f241e61f88b3b14b.js

62 ms

widget.js

widget.js

374 ms

ui-gdpr-fr-web.2e71e718a23e7508c6fd8cc0f241e61f88b3b14b.js

ui-gdpr-fr-web.2e71e718a23e7508c6fd8cc0f241e61f88b3b14b.js

44 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

124 ms

js

js

249 ms

fbevents.js

fbevents.js

173 ms

landing

landing

447 ms

intlTelInput.js

intlTelInput.js

400 ms

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395 ms

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402 ms

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450 ms

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500 ms

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19859 ms

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201 ms

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200 ms

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100 ms

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99 ms

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136 ms

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108 ms

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200 ms

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200 ms

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111 ms

SignupFormImpressionHandler.ashx

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341 ms

Accessibility Review

zenith-de-rouen.com accessibility score

83

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.

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 IDs are not unique

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zenith-de-rouen.com best practices score

67

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

zenith-de-rouen.com SEO score

91

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 Zenith-de-rouen.com 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 Zenith-de-rouen.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

zenith-de-rouen.com

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