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cerib.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

cerib.com

Cerib - Centre Technique Industriel (CTI) en recherches et en innovation.

Page Load Speed

7.4 sec in total

First Response

915 ms

Resources Loaded

5.8 sec

Page Rendered

658 ms

cerib.com screenshot

About Website

Visit cerib.com now to see the best up-to-date Cerib content for Algeria and also check out these interesting facts you probably never knew about cerib.com

Le CERIB, votre centre d'excellence en recherches et en innovation pour l’industrie du béton, un appui technique et information

Visit cerib.com

Key Findings

We analyzed Cerib.com page load time and found that the first response time was 915 ms and then it took 6.5 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

cerib.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value1,600 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value14.5 s

9/100

10%

Network Requests Diagram

www.cerib.com

915 ms

tarteaucitron.js

341 ms

js

71 ms

js

115 ms

css2

41 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 85% of them (85 requests) were addressed to the original Cerib.com, 2% (2 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Cerib.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 125.0 kB (8%)

Content Size

1.5 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cerib.com main page is 1.5 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. 40% of websites need less resources to load. Images take 742.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 105.9 kB

  • Original 128.9 kB
  • After minification 113.8 kB
  • After compression 23.0 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. This page needs HTML code to be minified as it can gain 15.1 kB, which is 12% 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 105.9 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 48 B

  • Original 742.9 kB
  • After minification 742.9 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. Cerib images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 14.8 kB

  • Original 586.2 kB
  • After minification 586.2 kB
  • After compression 571.4 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

-6%

Potential reduce by 4.2 kB

  • Original 75.1 kB
  • After minification 75.1 kB
  • After compression 70.9 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. Cerib.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 73 (74%)

Requests Now

98

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cerib. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.cerib.com

www.cerib.com

915 ms

tarteaucitron.js

tarteaucitron.js

341 ms

js

js

71 ms

js

js

115 ms

css2

css2

41 ms

css

css

64 ms

style.min.css

style.min.css

256 ms

styles.css

styles.css

254 ms

sfsi-style.css

sfsi-style.css

267 ms

uamLoginForm.css

uamLoginForm.css

263 ms

search-filter.min.css

search-filter.min.css

333 ms

fonts.css

fonts.css

521 ms

application.min.css

application.min.css

593 ms

custom.css

custom.css

597 ms

default.min.css

default.min.css

591 ms

all.css

all.css

43 ms

v4-shims.css

v4-shims.css

51 ms

jquery.js

jquery.js

679 ms

jquery-migrate.min.js

jquery-migrate.min.js

675 ms

search-filter-build.min.js

search-filter-build.min.js

860 ms

chosen.jquery.min.js

chosen.jquery.min.js

843 ms

in.js

in.js

23 ms

lazysizes.min.js

lazysizes.min.js

767 ms

scripts.js

scripts.js

768 ms

core.min.js

core.min.js

893 ms

modernizr.custom.min.js

modernizr.custom.min.js

894 ms

custom.js

custom.js

1167 ms

api.js

api.js

39 ms

script.js

script.js

1160 ms

dlm-xhr.min.js

dlm-xhr.min.js

1160 ms

datepicker.min.js

datepicker.min.js

1160 ms

wp-embed.min.js

wp-embed.min.js

1244 ms

scripts.js

scripts.js

1332 ms

custom.js

custom.js

1412 ms

custom-head.js

custom-head.js

1414 ms

progress-bar.js

progress-bar.js

1414 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

1210 ms

analytics.js

analytics.js

24 ms

collect

collect

12 ms

collect

collect

11 ms

ga-audiences

ga-audiences

21 ms

header-fd.png

header-fd.png

762 ms

placeholder-68x56.png

placeholder-68x56.png

773 ms

placeholder-214x71.png

placeholder-214x71.png

854 ms

vue_aerienne_cerib_Retouche-e1626430993260.jpg

vue_aerienne_cerib_Retouche-e1626430993260.jpg

1243 ms

btn-fleche.png

btn-fleche.png

885 ms

placeholder-427x285.png

placeholder-427x285.png

927 ms

placeholder-264x320.png

placeholder-264x320.png

1014 ms

placeholder-95x86.png

placeholder-95x86.png

1023 ms

placeholder-264x108.png

placeholder-264x108.png

1103 ms

placeholder-260x189.png

placeholder-260x189.png

1136 ms

placeholder-259x239.png

placeholder-259x239.png

1179 ms

placeholder-258x159.png

placeholder-258x159.png

1266 ms

placeholder-260x179.png

placeholder-260x179.png

1273 ms

placeholder-259x246.png

placeholder-259x246.png

1353 ms

placeholder-259x158.png

placeholder-259x158.png

1398 ms

placeholder-261x248.png

placeholder-261x248.png

1464 ms

placeholder-267x177.png

placeholder-267x177.png

1527 ms

placeholder-640x646.png

placeholder-640x646.png

1516 ms

bande-header.png

bande-header.png

1557 ms

placeholder-768x510.png

placeholder-768x510.png

1633 ms

bgd-titres-articles.png

bgd-titres-articles.png

1649 ms

placeholder-600x300.png

placeholder-600x300.png

1714 ms

placeholder-768x541.png

placeholder-768x541.png

1778 ms

placeholder-768x768.png

placeholder-768x768.png

1723 ms

placeholder-768x392.png

placeholder-768x392.png

1730 ms

font

font

168 ms

font

font

167 ms

labdigit.woff

labdigit.woff

1793 ms

btn-fleche-bleu.png

btn-fleche-bleu.png

1586 ms

fond-actus.jpg

fond-actus.jpg

1706 ms

bgd-left.png

bgd-left.png

1685 ms

recaptcha__en.js

recaptcha__en.js

24 ms

footer-bg.jpg

footer-bg.jpg

1698 ms

nav-recherche.png

nav-recherche.png

1630 ms

preheader-picto1.png

preheader-picto1.png

1610 ms

preheader-picto2.png

preheader-picto2.png

1583 ms

nav-prevenir.png

nav-prevenir.png

1431 ms

nav-evaluer.png

nav-evaluer.png

1453 ms

nav-modeliser.png

nav-modeliser.png

1452 ms

nav-accompagner.png

nav-accompagner.png

1459 ms

nav-diagnostiquer.png

nav-diagnostiquer.png

1569 ms

nav-former.png

nav-former.png

1581 ms

logo-cerib.png

logo-cerib.png

318 ms

home-illustration.png

home-illustration.png

671 ms

grille-bg-3.jpg

grille-bg-3.jpg

288 ms

grille-picto-3.png

grille-picto-3.png

225 ms

grille-bg-5.jpg

grille-bg-5.jpg

286 ms

grille-bg-6.jpg

grille-bg-6.jpg

411 ms

grille-picto-6.png

grille-picto-6.png

429 ms

grille-bg-8.jpg

grille-bg-8.jpg

559 ms

grille-bg-1.jpg

grille-bg-1.jpg

365 ms

grille-bg-9.jpg

grille-bg-9.jpg

238 ms

tarteaucitron.css

tarteaucitron.css

178 ms

tarteaucitron.fr.js

tarteaucitron.fr.js

254 ms

grille-picto-2.png

grille-picto-2.png

271 ms

grille-picto-5.png

grille-picto-5.png

272 ms

grille-picto-8.png

grille-picto-8.png

271 ms

grille-picto-1.png

grille-picto-1.png

280 ms

tarteaucitron.services.js

tarteaucitron.services.js

266 ms

Accessibility Review

cerib.com accessibility score

91

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

cerib.com best practices score

67

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cerib.com SEO score

93

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

Image elements do not have [alt] attributes

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cerib.com 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 Cerib.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

cerib.com

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