Tools & Wizards About Us
estbb.fr screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

estbb.fr

ESTBB École d'ingénieurs en biotechnologies | ESTBB

Page Load Speed

8.5 sec in total

First Response

2 sec

Resources Loaded

5.8 sec

Page Rendered

584 ms

estbb.fr screenshot

About Website

Click here to check amazing ESTBB content for France. Otherwise, check out these important facts you probably never knew about estbb.fr

De Bac à Bac+8 : des métiers dans la biologie et les biotechnologies : assistant ingénieur Biologie-biochimie-biotechnologies (bac+3), master management des biobanques, master 1 infectiologie, master ...

Visit estbb.fr

Key Findings

We analyzed Estbb.fr page load time and found that the first response time was 2 sec and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

estbb.fr performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value17.4 s

0/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value5,630 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value27.0 s

0/100

10%

Network Requests Diagram

www.estbb.fr

2034 ms

jquery.min.js

104 ms

jquery-migrate.min.js

197 ms

jquery.cookie.js

294 ms

moment.min.js

407 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 77% of them (84 requests) were addressed to the original Estbb.fr, 7% (8 requests) were made to Youtube.com and 4% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Estbb.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 286.3 kB (4%)

Content Size

7.4 MB

After Optimization

7.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Estbb.fr main page is 7.4 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. Only a small number of websites need less resources to load. Images take 6.9 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 109.2 kB

  • Original 129.4 kB
  • After minification 108.4 kB
  • After compression 20.2 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. This page needs HTML code to be minified as it can gain 20.9 kB, which is 16% 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 109.2 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 174.5 kB

  • Original 6.9 MB
  • After minification 6.7 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. ESTBB images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.6 kB

  • Original 385.5 kB
  • After minification 385.5 kB
  • After compression 382.9 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

-0%

Potential reduce by 0 B

  • Original 58.7 kB
  • After minification 58.7 kB
  • After compression 58.7 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. Estbb.fr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 35 (38%)

Requests Now

92

After Optimization

57

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ESTBB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.estbb.fr

www.estbb.fr

2034 ms

jquery.min.js

jquery.min.js

104 ms

jquery-migrate.min.js

jquery-migrate.min.js

197 ms

jquery.cookie.js

jquery.cookie.js

294 ms

moment.min.js

moment.min.js

407 ms

jquery.daterangepicker.min.js

jquery.daterangepicker.min.js

381 ms

plyr.polyfilled.min.js

plyr.polyfilled.min.js

655 ms

masonry.pkgd.min.js

masonry.pkgd.min.js

293 ms

select2.full.min.js

select2.full.min.js

294 ms

owl.carousel.min.js

owl.carousel.min.js

413 ms

ol.js

ol.js

806 ms

anime.min.js

anime.min.js

413 ms

tilt.js

tilt.js

652 ms

glightbox.min.js

glightbox.min.js

653 ms

foundation.min.js

foundation.min.js

796 ms

app.js

app.js

683 ms

app.js

app.js

793 ms

gtm.js

gtm.js

156 ms

XN6iPRVnsdk

XN6iPRVnsdk

202 ms

estbb-fr_blanc.svg

estbb-fr_blanc.svg

631 ms

estbb-motion-design-2-1920x980.jpg

estbb-motion-design-2-1920x980.jpg

690 ms

visuel-page-accueil-site-estbb-1-1920x980.png

visuel-page-accueil-site-estbb-1-1920x980.png

1997 ms

campus-saint-paul.jpg

campus-saint-paul.jpg

1028 ms

2022-phase-complementaire.jpg

2022-phase-complementaire.jpg

1149 ms

certification-2024_visuel-site-1.png

certification-2024_visuel-site-1.png

1150 ms

event-eric-dessert-athos-640x780.jpg

event-eric-dessert-athos-640x780.jpg

822 ms

forum-alternance-2024_actu-site-640x780-virtuel-v2.png

forum-alternance-2024_actu-site-640x780-virtuel-v2.png

883 ms

visuel-actu-site-ri.jpg

visuel-actu-site-ri.jpg

877 ms

640x780_filet_image-estbb-v2.png

640x780_filet_image-estbb-v2.png

1826 ms

bigstock-135192332-retournee-recadree-630x570.jpg

bigstock-135192332-retournee-recadree-630x570.jpg

1029 ms

header-assistant-ingenieur-biologie-biochimie-biotechnologie-lyon-estbb-630x570.jpg

header-assistant-ingenieur-biologie-biochimie-biotechnologie-lyon-estbb-630x570.jpg

1040 ms

header-licence-sciences-de-la-vie-biologie-lyon-630x570.jpg

header-licence-sciences-de-la-vie-biologie-lyon-630x570.jpg

1068 ms

header-estbb-ecole-biotechnologie-universite-lyon-630x570.jpg

header-estbb-ecole-biotechnologie-universite-lyon-630x570.jpg

1149 ms

du-baobab-630x570.jpeg

du-baobab-630x570.jpeg

1164 ms

header-etudier-estbb-lyon-2-630x570.jpg

header-etudier-estbb-lyon-2-630x570.jpg

1213 ms

management-biotechnologie-estbb-lyon-1-630x570.jpg

management-biotechnologie-estbb-lyon-1-630x570.jpg

1303 ms

header-master-infectiologie-biotechnologie-630x570.jpg

header-master-infectiologie-biotechnologie-630x570.jpg

1220 ms

master-manager-biobanques-lyon-estbb-630x570.jpg

master-manager-biobanques-lyon-estbb-630x570.jpg

1250 ms

management-des-industries-de-sante-et-de-biotechnologies-630x570.jpg

management-des-industries-de-sante-et-de-biotechnologies-630x570.jpg

1305 ms

biobanques-630x570.jpg

biobanques-630x570.jpg

1311 ms

estbb-motion-design-1-810x560.jpg

estbb-motion-design-1-810x560.jpg

1283 ms

daterangepicker.min.css

daterangepicker.min.css

1332 ms

ol.css

ol.css

1340 ms

glightbox.min.css

glightbox.min.css

1360 ms

portes-ouvertes-salons-forums-estbb.jpg

portes-ouvertes-salons-forums-estbb.jpg

1379 ms

sdk.js

sdk.js

59 ms

matomo.js

matomo.js

896 ms

contacter-nous.jpg

contacter-nous.jpg

1400 ms

style.min.css

style.min.css

1313 ms

www-player.css

www-player.css

11 ms

www-embed-player.js

www-embed-player.js

43 ms

base.js

base.js

80 ms

styles.css

styles.css

1313 ms

id

id

253 ms

ad_status.js

ad_status.js

250 ms

style-blue.css

style-blue.css

1135 ms

archia-regular.woff

archia-regular.woff

1136 ms

archia-semibold.woff

archia-semibold.woff

1137 ms

Create

Create

186 ms

qoe

qoe

161 ms

vD-PFjxSijoP4-I0oY5JcElr_81RPxK9SqvIhUi9qS8.js

vD-PFjxSijoP4-I0oY5JcElr_81RPxK9SqvIhUi9qS8.js

156 ms

embed.js

embed.js

114 ms

icomoon.ttf

icomoon.ttf

1082 ms

archia-bold.woff

archia-bold.woff

1102 ms

archia-medium.woff

archia-medium.woff

1112 ms

iaramino-et-justine-sherbrooke-copie-520x520.jpeg

iaramino-et-justine-sherbrooke-copie-520x520.jpeg

1055 ms

style.min.css

style.min.css

1105 ms

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

29 ms

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

27 ms

XN6iPRVnsdk

XN6iPRVnsdk

158 ms

justine-moussy_p.9-520x520.jpeg

justine-moussy_p.9-520x520.jpeg

1073 ms

ad_status.js

ad_status.js

54 ms

vD-PFjxSijoP4-I0oY5JcElr_81RPxK9SqvIhUi9qS8.js

vD-PFjxSijoP4-I0oY5JcElr_81RPxK9SqvIhUi9qS8.js

33 ms

embed.js

embed.js

15 ms

antony-foury_temoignage-520x520.jpg

antony-foury_temoignage-520x520.jpg

908 ms

id

id

149 ms

photo-doriane-thomas-scientifiques-solidaires-520x520.png

photo-doriane-thomas-scientifiques-solidaires-520x520.png

988 ms

photo-mazarine-millet-520x520.jpg

photo-mazarine-millet-520x520.jpg

946 ms

Create

Create

45 ms

roussel-florian-iprob-5-2015-520x520.jpg

roussel-florian-iprob-5-2015-520x520.jpg

917 ms

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

11 ms

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

11 ms

chevalier-christine-520x520.jpg

chevalier-christine-520x520.jpg

844 ms

photo-lou-chenivesse-520x520.jpg

photo-lou-chenivesse-520x520.jpg

1143 ms

photo-lisa-sujiennik-bde-520x520.png

photo-lisa-sujiennik-bde-520x520.png

945 ms

photo-australie-aliya-chennah-warda-520x520.jpeg

photo-australie-aliya-chennah-warda-520x520.jpeg

816 ms

photo-elsa-marion-elodie_valence-espagne-520x520.png

photo-elsa-marion-elodie_valence-espagne-520x520.png

1171 ms

matomo.php

matomo.php

120 ms

photo-corentin-bazilio-et-daphne-scarfo-1-520x520.png

photo-corentin-bazilio-et-daphne-scarfo-1-520x520.png

1053 ms

GenerateIT

GenerateIT

13 ms

reseaux_salons-e1652190943375-460x320.png

reseaux_salons-e1652190943375-460x320.png

899 ms

claude-gazier-436x320.png

claude-gazier-436x320.png

882 ms

1664959649765-1-460x320.jpg

1664959649765-1-460x320.jpg

884 ms

facebook-logo.svg

facebook-logo.svg

904 ms

instagram-logo.svg

instagram-logo.svg

883 ms

logo-x-twitter-gris-svg.svg

logo-x-twitter-gris-svg.svg

889 ms

youtube.svg

youtube.svg

933 ms

linkedin.svg

linkedin.svg

931 ms

dialogue.svg

dialogue.svg

874 ms

aura2-1.svg

aura2-1.svg

866 ms

logo-esspig_small-4.svg

logo-esspig_small-4.svg

867 ms

cti-logo-cmjn-pour-impression-142x140.png

cti-logo-cmjn-pour-impression-142x140.png

882 ms

logoqualiopi-150dpi-avec-mariannecertification-copie-250x140.png

logoqualiopi-150dpi-avec-mariannecertification-copie-250x140.png

867 ms

style.min.css

style.min.css

630 ms

style.min.css

style.min.css

97 ms

styles.css

styles.css

95 ms

style-blue.css

style-blue.css

123 ms

style.min.css

style.min.css

93 ms

archia-light.woff

archia-light.woff

93 ms

Accessibility Review

estbb.fr accessibility score

89

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

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

Buttons do not have an accessible name

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.

Best Practices

estbb.fr 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

High

Missing source maps for large first-party JavaScript

SEO Factors

estbb.fr SEO score

85

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

High

robots.txt is not valid

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 Estbb.fr 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 Estbb.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

estbb.fr

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