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bibus.fr screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

bibus.fr

Bienvenue sur le réseau de transport en commun Bibus | Bibus

Page Load Speed

3.2 sec in total

First Response

113 ms

Resources Loaded

2.5 sec

Page Rendered

509 ms

bibus.fr screenshot

About Website

Welcome to bibus.fr homepage info - get ready to check Bibus best content for France right away, or after learning these important things about bibus.fr

Réseau de transport en commun de Brest Métropole. Découvrez tous les services du réseau Bibus : bus, tramway, téléphérique, vélos en location.

Visit bibus.fr

Key Findings

We analyzed Bibus.fr page load time and found that the first response time was 113 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

bibus.fr performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value15.4 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value1,110 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.408

24/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

bibus.fr

113 ms

www.bibus.fr

632 ms

load.js

599 ms

ajax-progress.module.css

332 ms

align.module.css

319 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 82% of them (91 requests) were addressed to the original Bibus.fr, 14% (15 requests) were made to Files2.bibus.fr and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (977 ms) relates to the external source Files2.bibus.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 153.5 kB (10%)

Content Size

1.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bibus.fr main page is 1.6 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. 35% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 118.3 kB

  • Original 158.9 kB
  • After minification 137.0 kB
  • After compression 40.6 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 21.9 kB, which is 14% 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 118.3 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 25.8 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. Bibus images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 552 B

  • Original 120.8 kB
  • After minification 120.6 kB
  • After compression 120.3 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

-25%

Potential reduce by 8.9 kB

  • Original 36.2 kB
  • After minification 31.9 kB
  • After compression 27.3 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. Bibus.fr needs all CSS files to be minified and compressed as it can save up to 8.9 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 95 (88%)

Requests Now

108

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bibus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 55 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bibus.fr

bibus.fr

113 ms

www.bibus.fr

www.bibus.fr

632 ms

load.js

load.js

599 ms

ajax-progress.module.css

ajax-progress.module.css

332 ms

align.module.css

align.module.css

319 ms

autocomplete-loading.module.css

autocomplete-loading.module.css

27 ms

fieldgroup.module.css

fieldgroup.module.css

23 ms

container-inline.module.css

container-inline.module.css

30 ms

clearfix.module.css

clearfix.module.css

32 ms

details.module.css

details.module.css

339 ms

hidden.module.css

hidden.module.css

48 ms

item-list.module.css

item-list.module.css

41 ms

js.module.css

js.module.css

50 ms

nowrap.module.css

nowrap.module.css

60 ms

position-container.module.css

position-container.module.css

400 ms

progress.module.css

progress.module.css

68 ms

reset-appearance.module.css

reset-appearance.module.css

77 ms

resize.module.css

resize.module.css

87 ms

sticky-header.module.css

sticky-header.module.css

97 ms

system-status-counter.css

system-status-counter.css

110 ms

system-status-report-counters.css

system-status-report-counters.css

121 ms

system-status-report-general-info.css

system-status-report-general-info.css

129 ms

tabledrag.module.css

tabledrag.module.css

138 ms

tablesort.module.css

tablesort.module.css

149 ms

tree-child.module.css

tree-child.module.css

156 ms

app_banner_android.css

app_banner_android.css

167 ms

views.module.css

views.module.css

179 ms

paragraphs.unpublished.css

paragraphs.unpublished.css

189 ms

normalize.css

normalize.css

198 ms

normalize-fixes.css

normalize-fixes.css

206 ms

action-links.css

action-links.css

212 ms

collapse-processed.css

collapse-processed.css

214 ms

container-inline.css

container-inline.css

221 ms

details.css

details.css

220 ms

exposed-filters.css

exposed-filters.css

228 ms

field.css

field.css

232 ms

icons.css

icons.css

241 ms

inline-form.css

inline-form.css

242 ms

variables.css

variables.css

391 ms

logo.svg

logo.svg

573 ms

banniere_site_1865x457_20.jpg

banniere_site_1865x457_20.jpg

419 ms

banniere_site_1865x4574_1.jpg

banniere_site_1865x4574_1.jpg

412 ms

banniere_site_1865x4572_6.jpg

banniere_site_1865x4572_6.jpg

713 ms

link.css

link.css

239 ms

links.css

links.css

231 ms

more-link.css

more-link.css

241 ms

pager.css

pager.css

241 ms

tabledrag.css

tabledrag.css

240 ms

tableselect.css

tableselect.css

233 ms

tablesort.css

tablesort.css

238 ms

tabs.css

tabs.css

230 ms

textarea.css

textarea.css

227 ms

ui-dialog.css

ui-dialog.css

227 ms

messages.css

messages.css

219 ms

banniere_site_1865x4573_4.jpg

banniere_site_1865x4573_4.jpg

538 ms

banniere_site_1865x457_21.jpg

banniere_site_1865x457_21.jpg

721 ms

progress.css

progress.css

216 ms

app.css

app.css

229 ms

font.css

font.css

208 ms

slick.css

slick.css

498 ms

slick-theme.css

slick-theme.css

487 ms

fr.png

fr.png

240 ms

en.png

en.png

238 ms

br.png

br.png

454 ms

sprite.symbol.svg

sprite.symbol.svg

212 ms

Affiche-Tout-a-Velo-V2-724x1024.jpg

Affiche-Tout-a-Velo-V2-724x1024.jpg

668 ms

SB29%20Reims%2012%2005%2021h.png

SB29%20Reims%2012%2005%2021h.png

977 ms

ticket%20famille%201_0.jpg

ticket%20famille%201_0.jpg

969 ms

jquery.min.js

jquery.min.js

200 ms

once.min.js

once.min.js

526 ms

fr_epGkZjlAkTnAwLC01V3wALzsyaXTSGQD6iiO6MjkUYE.js

fr_epGkZjlAkTnAwLC01V3wALzsyaXTSGQD6iiO6MjkUYE.js

718 ms

drupalSettingsLoader.js

drupalSettingsLoader.js

196 ms

drupal.js

drupal.js

205 ms

drupal.init.js

drupal.init.js

199 ms

index.umd.min.js

index.umd.min.js

211 ms

app_banner_android.js

app_banner_android.js

199 ms

gtm.js

gtm.js

211 ms

gtag.js

gtag.js

504 ms

progress.js

progress.js

212 ms

loadjs.min.js

loadjs.min.js

211 ms

debounce.js

debounce.js

220 ms

announce.js

announce.js

226 ms

message.js

message.js

232 ms

ajax.js

ajax.js

236 ms

ajax.js

ajax.js

304 ms

gtag.ajax.js

gtag.ajax.js

305 ms

app.js

app.js

313 ms

megamenu.init.js

megamenu.init.js

323 ms

hover-focus-menu.init.js

hover-focus-menu.init.js

331 ms

overlay-behaviours.init.js

overlay-behaviours.init.js

429 ms

burger.js

burger.js

423 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

618 ms

linkable-element.js

linkable-element.js

625 ms

atix_instant_system.js

atix_instant_system.js

412 ms

slick.init.js

slick.init.js

400 ms

slick.min.js

slick.min.js

395 ms

jquery.form.min.js

jquery.form.min.js

392 ms

css

css

77 ms

css

css

95 ms

base.js

base.js

340 ms

ajax_view.js

ajax_view.js

339 ms

external-links.init.js

external-links.init.js

333 ms

scroll-top.init.js

scroll-top.init.js

333 ms

icon-user.svg

icon-user.svg

58 ms

fille-nuage_2.png

fille-nuage_2.png

414 ms

plan-interactif%20%281%29_0.png

plan-interactif%20%281%29_0.png

882 ms

ticket.png

ticket.png

623 ms

application.png

application.png

870 ms

icon-base.woff

icon-base.woff

566 ms

tarteaucitron.min.css

tarteaucitron.min.css

408 ms

tarteaucitron.fr.min.js

tarteaucitron.fr.min.js

449 ms

Accessibility Review

bibus.fr accessibility score

87

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.

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 IDs are not unique

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

bibus.fr best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

bibus.fr SEO score

93

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

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 Bibus.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 Bibus.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

bibus.fr

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