Access scolarite.sciences-po.fr. page d'accueil

name

value

score

weighting

FCP (First Contentful Paint)

Value14.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value20.0 s

0/100

25%

SI (Speed Index)

Value14.8 s

1/100

10%

TBT (Total Blocking Time)

Value390 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value20.4 s

2/100

10%

scolarite.sciences-po.fr

337 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Scolarite.sciences-po.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (337 ms) belongs to the original domain Scolarite.sciences-po.fr.

Content Size

800 B

After Optimization

141 B

In fact, the total size of Scolarite.sciences-po.fr main page is 800 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 800 B which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 659 B

Original 800 B
After minification 160 B
After compression 141 B

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 640 B, which is 80% 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 659 B or 82% of the original size.

Requests Now

After Optimization

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Issues

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.

High

<frame> or <iframe> elements do not have a title

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a valid value for its [lang] attribute.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Language and Encoding

Language Detected

FR
Language Claimed

N/A
Encoding

N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scolarite.sciences-po.fr 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 Scolarite.sciences-po.fr main page’s claimed encoding is . 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

scolarite.sciences-po.fr

Open Graph description is not detected on the main page of Scolarite Sciences Po. 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: