Access institut-curie.org. French foundation for cancer research - Donate Cancer research, cancer charity in france

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value14.2 s

0/100

25%

SI (Speed Index)

Value25.7 s

0/100

10%

TBT (Total Blocking Time)

Value36,990 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.42

23/100

15%

TTI (Time to Interactive)

Value49.2 s

0/100

10%

institut-curie.org

1999 ms

css_9822969169f159493f6795316e5715de.css

178 ms

js_eaf31175a93df1539e81227105f9c5ab.js

349 ms

TAG_passage.js

165 ms

conversion.js

15 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 44% of them (49 requests) were addressed to the original Institut-curie.org, 19% (21 requests) were made to Static.xx.fbcdn.net and 14% (15 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Institut-curie.org.

Content Size

1.9 MB

After Optimization

1.4 MB

In fact, the total size of Institut-curie.org main page is 1.9 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. 50% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 44.7 kB

Original 55.7 kB
After minification 51.1 kB
After compression 11.0 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. 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 44.7 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 56.1 kB

Original 1.3 MB
After minification 1.3 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. Institut Curie images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 207.0 kB

Original 297.5 kB
After minification 213.6 kB
After compression 90.5 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 207.0 kB or 70% of the original size.

CSS Optimization

-84%

Potential reduce by 140.4 kB

Original 166.9 kB
After minification 161.4 kB
After compression 26.4 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. Institut-curie.org needs all CSS files to be minified and compressed as it can save up to 140.4 kB or 84% of the original size.

Requests Now

109

After Optimization

The browser has sent 109 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Institut Curie. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

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

Image elements do not have [alt] attributes

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

FR
Encoding

UTF-8

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

institut-curie.org

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

Report Summary

Performance

Accessibility

Best Practices

SEO

French foundation for cancer research - Donate Cancer research, cancer charity in france | Institut Curie Paris

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

institut-curie.org

css_9822969169f159493f6795316e5715de.css

js_eaf31175a93df1539e81227105f9c5ab.js

TAG_passage.js

conversion.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

institut-curie.org

css_9822969169f159493f6795316e5715de.css

js_eaf31175a93df1539e81227105f9c5ab.js

TAG_passage.js

conversion.js

js_1f0d05f0e75d01ba961faa82c6233a8c.js

analytics.js

80-ans-hopital.jpg

tribune-prix-medicaments.jpg

inauguration-jonquille-2016.jpg

publi-bellaiche-mars-2016.jpg

pic3i-basto.jpg

video-medecine-precision.jpg

bloc-jonquille2016-home-curie-fr.jpg

espace_infos_0.jpg

infos_presse.gif

infos_newsletter.gif

infos_contact.gif

infos_plan.gif

mardis_curie.gif

prendre_rdv_3.jpg

bkg-body.gif

logo_fr.png

slogan-fr.png

fr.gif

en.gif

faites-un-don_0_0.png

icone-facebook.png

icone-twitter.png

icone-rss.png

btn-input-solr.png

btn-recrutons.gif

btn-soutenir.gif

psl_mb2.png

gtm.js

puce-sep.png

ombre-menu.png

picto-loupe.png

input-search.gif

bkg-encadre-slideshow.png

puce-toutes-actus.png

picto-savoir.png

picto-medecins.png