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Report Summary

About Website

Click here to check amazing Therascience content. Otherwise, check out these important facts you probably never knew about therascience.fr

therascience.fr is your first and best source for all of the information you’re looking for. From general topics to more of what you would expect to find here, therascience.fr has it all. We hope you ...

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name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value4.3 s

85/100

10%

therascience.fr

205 ms

brYUfeDwP.js

4 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Therascience.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (205 ms) belongs to the original domain Therascience.fr.

Content Size

909.5 kB

After Optimization

678.0 kB

In fact, the total size of Therascience.fr main page is 909.5 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. Only 5% of websites need less resources to load. Images take 632.6 kB which makes up the majority of the site volume.

HTML Optimization

-28%

Potential reduce by 289 B

Original 1.0 kB
After minification 1.0 kB
After compression 758 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. 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 289 B or 28% of the original size.

Image Optimization

-6%

Potential reduce by 39.5 kB

Original 632.6 kB
After minification 593.1 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. Therascience images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 139.3 kB

Original 211.9 kB
After minification 185.3 kB
After compression 72.6 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 139.3 kB or 66% of the original size.

CSS Optimization

-82%

Potential reduce by 52.5 kB

Original 64.0 kB
After minification 53.4 kB
After compression 11.5 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. Therascience.fr needs all CSS files to be minified and compressed as it can save up to 52.5 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Therascience. According to our analytics all requests are already optimized.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Therascience.fr can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Therascience.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

therascience.fr

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