Tools & Wizards About Us
celescreen.com screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

celescreen.com

CeleScreen - Innovative method of assessing toxicity in systemic organism

Page Load Speed

5.1 sec in total

First Response

983 ms

Resources Loaded

3.5 sec

Page Rendered

655 ms

celescreen.com screenshot

About Website

Click here to check amazing Cele Screen content. Otherwise, check out these important facts you probably never knew about celescreen.com

Celescreen develops an innovative process of assessing toxicity in systemic organism using an invertebrate, the worm Caenorhabditis elegans

Visit celescreen.com

Key Findings

We analyzed Celescreen.com page load time and found that the first response time was 983 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

celescreen.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value1.502

0/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

www.celescreen.com

983 ms

wp-emoji-release.min.js

166 ms

bootstrap.min.css

173 ms

style.min.css

180 ms

cookie-law-info-public.css

184 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 85% of them (47 requests) were addressed to the original Celescreen.com, 11% (6 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Celescreen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 217.0 kB (3%)

Content Size

7.6 MB

After Optimization

7.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Celescreen.com main page is 7.6 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 7.3 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 72.1 kB

  • Original 91.0 kB
  • After minification 86.4 kB
  • After compression 18.9 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. 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 72.1 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 138.9 kB

  • Original 7.3 MB
  • After minification 7.2 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. Cele Screen images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.5 kB

  • Original 186.2 kB
  • After minification 186.2 kB
  • After compression 184.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-11%

Potential reduce by 4.5 kB

  • Original 39.7 kB
  • After minification 39.7 kB
  • After compression 35.2 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. Celescreen.com needs all CSS files to be minified and compressed as it can save up to 4.5 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (53%)

Requests Now

47

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cele Screen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.celescreen.com

www.celescreen.com

983 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

166 ms

bootstrap.min.css

bootstrap.min.css

173 ms

style.min.css

style.min.css

180 ms

cookie-law-info-public.css

cookie-law-info-public.css

184 ms

cookie-law-info-gdpr.css

cookie-law-info-gdpr.css

182 ms

front-legacy.css

front-legacy.css

192 ms

style.css

style.css

256 ms

css

css

28 ms

style.css

style.css

341 ms

font-awesome.min.css

font-awesome.min.css

270 ms

jquery.js

jquery.js

363 ms

jquery-migrate.min.js

jquery-migrate.min.js

274 ms

cookie-law-info-public.js

cookie-law-info-public.js

290 ms

sow.google-map.min.js

sow.google-map.min.js

346 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

303 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

378 ms

scripts.js

scripts.js

428 ms

main.min.js

main.min.js

378 ms

skip-link-focus-fix.js

skip-link-focus-fix.js

378 ms

comment-reply.min.js

comment-reply.min.js

396 ms

wp-embed.min.js

wp-embed.min.js

396 ms

styling-2106.min.js

styling-2106.min.js

397 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

541 ms

mediaelement-migrate.min.js

mediaelement-migrate.min.js

459 ms

wp-mediaelement.min.js

wp-mediaelement.min.js

483 ms

vimeo.min.js

vimeo.min.js

482 ms

Caenorhabditis_elegans_DAPI.jpg

Caenorhabditis_elegans_DAPI.jpg

733 ms

Varbuss.jpg

Varbuss.jpg

1047 ms

logo_celescreen.png

logo_celescreen.png

297 ms

C.elegans_DIC_PNG2-1024x662.png

C.elegans_DIC_PNG2-1024x662.png

600 ms

IMG_1173-550x400.jpg

IMG_1173-550x400.jpg

339 ms

Philippe_recadr%C3%A9e-550x400.jpg

Philippe_recadr%C3%A9e-550x400.jpg

386 ms

IMG_1176-550x400.jpg

IMG_1176-550x400.jpg

473 ms

logo-Genopole-transparent1-e1403698596928-230x200.png

logo-Genopole-transparent1-e1403698596928-230x200.png

307 ms

logo-iktos-noir-1.png

logo-iktos-noir-1.png

355 ms

ilab2016-230x153.jpg

ilab2016-230x153.jpg

398 ms

i-lab-16-230x126.png

i-lab-16-230x126.png

443 ms

norbert-s%C3%A9gard-230x132.png

norbert-s%C3%A9gard-230x132.png

464 ms

scientipole-230x131.png

scientipole-230x131.png

483 ms

agoranov-230x120.png

agoranov-230x120.png

493 ms

logo_aphp-230x45.png

logo_aphp-230x45.png

530 ms

bpi_france-230x99.png

bpi_france-230x99.png

561 ms

idf-230x37.png

idf-230x37.png

564 ms

Christian-Serre.jpg

Christian-Serre.jpg

572 ms

C.elegans-300x109.png

C.elegans-300x109.png

590 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXw.woff

20 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aXw.woff

28 ms

KFOlCnqEu92Fr1MmWUlfBBc-.woff

KFOlCnqEu92Fr1MmWUlfBBc-.woff

42 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

62 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

74 ms

JTUFjIg1_i6t8kCHKm459Wx7xQYXK0vOoz6jq6R9WXh0oA.woff

JTUFjIg1_i6t8kCHKm459Wx7xQYXK0vOoz6jq6R9WXh0oA.woff

61 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

670 ms

js

js

105 ms

mejs-controls.svg

mejs-controls.svg

359 ms

Accessibility Review

celescreen.com 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.

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

Links do not have a discernible name

Best Practices

celescreen.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

celescreen.com SEO score

85

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 Celescreen.com 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 Celescreen.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

celescreen.com

Open Graph data is detected on the main page of Cele Screen. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: