Tools & Wizards About Us
lajauneetlarouge.com screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

lajauneetlarouge.com

La Jaune et la Rouge, la revue de polytechnique alumni

Page Load Speed

2.3 sec in total

First Response

304 ms

Resources Loaded

1.7 sec

Page Rendered

321 ms

lajauneetlarouge.com screenshot

About Website

Visit lajauneetlarouge.com now to see the best up-to-date La Jaune Et La Rouge content for France and also check out these interesting facts you probably never knew about lajauneetlarouge.com

Consultez le dernier numéro de La Jaune et la Rouge, les nouvelles de l'École polytechnique et de l'AX et des infos sur les alumni.

Visit lajauneetlarouge.com

Key Findings

We analyzed Lajauneetlarouge.com page load time and found that the first response time was 304 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

lajauneetlarouge.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value820 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.397

25/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

lajauneetlarouge.com

304 ms

713

183 ms

system.base.css

159 ms

simplenews.css

162 ms

date.css

161 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 91% of them (49 requests) were addressed to the original Lajauneetlarouge.com, 4% (2 requests) were made to Netdna.bootstrapcdn.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (590 ms) belongs to the original domain Lajauneetlarouge.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 505.4 kB (70%)

Content Size

719.7 kB

After Optimization

214.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lajauneetlarouge.com main page is 719.7 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. 40% of websites need less resources to load. Javascripts take 267.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 96.2 kB

  • Original 116.7 kB
  • After minification 110.9 kB
  • After compression 20.6 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 96.2 kB or 82% of the original size.

Image Optimization

-14%

Potential reduce by 11.4 kB

  • Original 84.0 kB
  • After minification 72.6 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, La Jaune Et La Rouge needs image optimization as it can save up to 11.4 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 189.0 kB

  • Original 267.5 kB
  • After minification 230.1 kB
  • After compression 78.5 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 189.0 kB or 71% of the original size.

CSS Optimization

-83%

Potential reduce by 208.8 kB

  • Original 251.5 kB
  • After minification 219.4 kB
  • After compression 42.7 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. Lajauneetlarouge.com needs all CSS files to be minified and compressed as it can save up to 208.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (69%)

Requests Now

52

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of La Jaune Et La Rouge. 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 23 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lajauneetlarouge.com

lajauneetlarouge.com

304 ms

713

713

183 ms

system.base.css

system.base.css

159 ms

simplenews.css

simplenews.css

162 ms

date.css

date.css

161 ms

datepicker.1.7.css

datepicker.1.7.css

163 ms

field.css

field.css

163 ms

logintoboggan.css

logintoboggan.css

161 ms

calendar_multiday.css

calendar_multiday.css

239 ms

views.css

views.css

243 ms

ckeditor.css

ckeditor.css

243 ms

ctools.css

ctools.css

244 ms

lightbox.css

lightbox.css

247 ms

printlinks.css

printlinks.css

246 ms

laccueil.css

laccueil.css

318 ms

lemenu.css

lemenu.css

320 ms

login.css

login.css

321 ms

magazine.css

magazine.css

322 ms

navigation.css

navigation.css

322 ms

ds_2col.css

ds_2col.css

324 ms

superfish.css

superfish.css

397 ms

bootstrap-combined.min.css

bootstrap-combined.min.css

6 ms

overrides.css

overrides.css

398 ms

style.css

style.css

400 ms

editor.css

editor.css

403 ms

jquery.min.js

jquery.min.js

567 ms

jquery.once.js

jquery.once.js

408 ms

drupal.js

drupal.js

477 ms

bootstrap.min.js

bootstrap.min.js

12 ms

fr_sPY_JomYvzDMznzNd3rFUy7ZMU19YYz46OV37PGT2nE.js

fr_sPY_JomYvzDMznzNd3rFUy7ZMU19YYz46OV37PGT2nE.js

478 ms

lightbox.js

lightbox.js

481 ms

googleanalytics.js

googleanalytics.js

482 ms

navigation.js

navigation.js

487 ms

jquery.hoverIntent.minified.js

jquery.hoverIntent.minified.js

557 ms

superfish.js

superfish.js

558 ms

supersubs.js

supersubs.js

561 ms

superfish.js

superfish.js

562 ms

scripts.js

scripts.js

590 ms

analytics.js

analytics.js

102 ms

logo.png

logo.png

161 ms

interrogation.png

interrogation.png

90 ms

ico_accueil.png

ico_accueil.png

90 ms

fleches-navigation.png

fleches-navigation.png

90 ms

bottom-arrow.png

bottom-arrow.png

90 ms

713-couv.jpg

713-couv.jpg

91 ms

pdf.png

pdf.png

162 ms

bulles_commentaires.png

bulles_commentaires.png

163 ms

mdx_268x280.jpg

mdx_268x280.jpg

163 ms

ico-abonnement.png

ico-abonnement.png

166 ms

rechercher.png

rechercher.png

166 ms

WATs4U.jpg

WATs4U.jpg

240 ms

all.js

all.js

270 ms

shadow.png

shadow.png

164 ms

collect

collect

12 ms

Accessibility Review

lajauneetlarouge.com accessibility score

87

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

lajauneetlarouge.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

lajauneetlarouge.com SEO score

83

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Lajauneetlarouge.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 Lajauneetlarouge.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

lajauneetlarouge.com

Open Graph description is not detected on the main page of La Jaune Et La Rouge. 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: