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jn-guerini.fr screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 90% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

jn-guerini.fr

Le meilleur comparateur qui vous aide à chosir - Avec Ernest

Page Load Speed

3 sec in total

First Response

276 ms

Resources Loaded

1.8 sec

Page Rendered

972 ms

jn-guerini.fr screenshot

About Website

Welcome to jn-guerini.fr homepage info - get ready to check Jn Guerini best content right away, or after learning these important things about jn-guerini.fr

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Key Findings

We analyzed Jn-guerini.fr page load time and found that the first response time was 276 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

jn-guerini.fr performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

38/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value5.2 s

75/100

10%

Network Requests Diagram

jn-guerini.fr

276 ms

www.jn-guerini.fr

310 ms

bootstrap.css

759 ms

font-awesome.min.css

301 ms

style.css

184 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 87% of them (13 requests) were addressed to the original Jn-guerini.fr, 7% (1 request) were made to Fonts.googleapis.com and 7% (1 request) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (759 ms) belongs to the original domain Jn-guerini.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 254.6 kB (70%)

Content Size

366.1 kB

After Optimization

111.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jn-guerini.fr main page is 366.1 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. 15% of websites need less resources to load. Javascripts take 156.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 15.1 kB

  • Original 20.0 kB
  • After minification 13.8 kB
  • After compression 4.9 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 6.2 kB, which is 31% 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 15.1 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 4 B

  • Original 40.8 kB
  • After minification 40.8 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. Jn Guerini images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 112.5 kB

  • Original 156.3 kB
  • After minification 135.1 kB
  • After compression 43.8 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 112.5 kB or 72% of the original size.

CSS Optimization

-85%

Potential reduce by 127.0 kB

  • Original 148.9 kB
  • After minification 120.4 kB
  • After compression 22.0 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. Jn-guerini.fr needs all CSS files to be minified and compressed as it can save up to 127.0 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (55%)

Requests Now

11

After Optimization

5

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jn Guerini. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jn-guerini.fr

jn-guerini.fr

276 ms

www.jn-guerini.fr

www.jn-guerini.fr

310 ms

bootstrap.css

bootstrap.css

759 ms

font-awesome.min.css

font-awesome.min.css

301 ms

style.css

style.css

184 ms

css

css

23 ms

jquery-1.10.2.js

jquery-1.10.2.js

303 ms

bootstrap.js

bootstrap.js

272 ms

jquery.vegas.min.js

jquery.vegas.min.js

248 ms

custom.js

custom.js

265 ms

www.jn-guerini.fr

www.jn-guerini.fr

213 ms

1.jpg

1.jpg

375 ms

15.png

15.png

134 ms

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

5 ms

fontawesome-webfontba72.woff

fontawesome-webfontba72.woff

389 ms

Accessibility Review

jn-guerini.fr accessibility score

96

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

jn-guerini.fr 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

SEO Factors

jn-guerini.fr SEO score

98

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jn-guerini.fr can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it does not match the claimed English language. Our system also found out that Jn-guerini.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

jn-guerini.fr

Open Graph description is not detected on the main page of Jn Guerini. 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: