Access transilien.com. Transilien : Transports SNCF à Paris et en Île-de-France

Report Summary

About Website

Welcome to transilien.com homepage info - get ready to check Transilien best content for France right away, or after learning these important things about transilien.com

Trouvez le bon itinéraire pour tous vos déplacements à Paris et en Île-de-France avec le site SNCF de Paris et sa banlieue.

Visit transilien.com

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value28.5 s

0/100

25%

SI (Speed Index)

Value18.6 s

0/100

10%

TBT (Total Blocking Time)

Value7,730 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.2

62/100

15%

TTI (Time to Interactive)

Value27.2 s

0/100

10%

transilien.com

327 ms

www.transilien.com

771 ms

common.css

180 ms

world_home.css

517 ms

map.css

261 ms

Our browser made a total of 129 requests to load all elements on the main page. We found that 79% of them (102 requests) were addressed to the original Transilien.com, 8% (10 requests) were made to A.tiles.mapbox.com and 8% (10 requests) were made to B.tiles.mapbox.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Transilien.com.

Content Size

705.7 kB

After Optimization

288.2 kB

In fact, the total size of Transilien.com main page is 705.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. HTML takes 392.8 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 357.1 kB

Original 392.8 kB
After minification 375.5 kB
After compression 35.7 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 357.1 kB or 91% of the original size.

Image Optimization

-2%

Potential reduce by 4.6 kB

Original 225.1 kB
After minification 220.5 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. Transilien images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 52.2 kB

Original 83.2 kB
After minification 82.2 kB
After compression 30.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 52.2 kB or 63% of the original size.

CSS Optimization

-77%

Potential reduce by 3.6 kB

Original 4.6 kB
After minification 3.6 kB
After compression 1.0 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. Transilien.com needs all CSS files to be minified and compressed as it can save up to 3.6 kB or 77% of the original size.

Requests Now

114

After Optimization

The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Transilien. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

FR
Language Claimed

FR
Encoding

UTF-8

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

transilien.com

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

Transilien : Transports SNCF à Paris et en Île-de-France

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)