Tools & Wizards About Us
opera-nice.org screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

opera-nice.org

Opéra Nice Côte d'Azur - Accueil

Page Load Speed

5.5 sec in total

First Response

298 ms

Resources Loaded

4.8 sec

Page Rendered

449 ms

opera-nice.org screenshot

About Website

Click here to check amazing Opera Nice content for France. Otherwise, check out these important facts you probably never knew about opera-nice.org

Site officiel de l’Opera Nice Côte d'Azur, présentations et détails des programmes classés par genre (opéras, concerts, ballets), tarifs, abonnements et informations pratiques.

Visit opera-nice.org

Key Findings

We analyzed Opera-nice.org page load time and found that the first response time was 298 ms and then it took 5.2 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

opera-nice.org performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value21.3 s

0/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value550 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.446

20/100

15%

TTI (Time to Interactive)

Value21.3 s

1/100

10%

Network Requests Diagram

opera-nice.org

298 ms

opera-nice.org

512 ms

fr

857 ms

css

45 ms

1dc3a19.css

428 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 97% of them (31 requests) were addressed to the original Opera-nice.org, 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Opera-nice.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (24%)

Content Size

4.4 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Opera-nice.org main page is 4.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 39.2 kB

  • Original 47.2 kB
  • After minification 35.4 kB
  • After compression 8.0 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 11.8 kB, which is 25% 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 39.2 kB or 83% of the original size.

Image Optimization

-10%

Potential reduce by 358.1 kB

  • Original 3.6 MB
  • After minification 3.2 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. Opera Nice images are well optimized though.

JavaScript Optimization

-82%

Potential reduce by 448.6 kB

  • Original 547.7 kB
  • After minification 361.0 kB
  • After compression 99.1 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 448.6 kB or 82% of the original size.

CSS Optimization

-85%

Potential reduce by 183.2 kB

  • Original 215.7 kB
  • After minification 190.5 kB
  • After compression 32.4 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. Opera-nice.org needs all CSS files to be minified and compressed as it can save up to 183.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (12%)

Requests Now

25

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opera Nice. 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.

Network Requests Diagram

opera-nice.org

opera-nice.org

298 ms

opera-nice.org

opera-nice.org

512 ms

fr

fr

857 ms

css

css

45 ms

1dc3a19.css

1dc3a19.css

428 ms

326773a.css

326773a.css

274 ms

8f997a6.js

8f997a6.js

705 ms

fr-FR.js

fr-FR.js

195 ms

2285bd9.js

2285bd9.js

373 ms

pictos-home.png

pictos-home.png

180 ms

6a0aa1d.png

6a0aa1d.png

177 ms

fdb6c3a.png

fdb6c3a.png

178 ms

35d7b48.png

35d7b48.png

179 ms

la-fille-de-madame-angot_1164.png

la-fille-de-madame-angot_1164.png

1928 ms

edgar_1169.png

edgar_1169.png

1924 ms

image

image

1927 ms

image

image

1920 ms

image

image

1934 ms

image

image

1939 ms

image

image

1930 ms

image

image

1929 ms

f4af281.png

f4af281.png

1931 ms

3693aec.png

3693aec.png

1930 ms

7dd4aa2.png

7dd4aa2.png

1931 ms

81aa37d.png

81aa37d.png

1936 ms

cadbc09.svg

cadbc09.svg

1932 ms

ITCAvantGardeStd-Bk.woff

ITCAvantGardeStd-Bk.woff

1759 ms

Century.woff

Century.woff

1760 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

1762 ms

ITCAvantGardeStd-DemiCn.woff

ITCAvantGardeStd-DemiCn.woff

1760 ms

slider-fleches.png

slider-fleches.png

266 ms

tarteaucitron.fr.js

tarteaucitron.fr.js

90 ms

Accessibility Review

opera-nice.org accessibility score

89

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 input fields do not have accessible names

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

Links do not have a discernible name

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

opera-nice.org best practices score

75

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

Page has valid source maps

SEO Factors

opera-nice.org SEO score

100

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

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opera-nice.org 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 Opera-nice.org 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

opera-nice.org

Open Graph description is not detected on the main page of Opera Nice. 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: