Tools & Wizards About Us
tso.fr screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% 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

tso.fr

TSO | Railway Systems, solution & conception - TSO

Page Load Speed

6.2 sec in total

First Response

264 ms

Resources Loaded

5.5 sec

Page Rendered

396 ms

tso.fr screenshot

About Website

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

TSO is a company specialising in the maintenance, design and construction of all types of railways: conventional lines, urban lines, high-speed lines...

Visit tso.fr

Key Findings

We analyzed Tso.fr page load time and found that the first response time was 264 ms and then it took 5.9 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

tso.fr performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

tso.fr

264 ms

762 ms

style.min.css

88 ms

nge-talent-public.min.css

533 ms

styles.min.css

706 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 19% of them (12 requests) were addressed to the original Tso.fr, 66% (41 requests) were made to Nge.fr and 10% (6 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source Nge.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 66.3 kB (2%)

Content Size

3.2 MB

After Optimization

3.1 MB

  • HTML
  • Images

In fact, the total size of Tso.fr main page is 3.2 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 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 52.6 kB

  • Original 65.5 kB
  • After minification 59.5 kB
  • After compression 12.8 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 52.6 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 13.6 kB

  • Original 3.1 MB
  • After minification 3.1 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. TSO images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 19 (59%)

Requests Now

32

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TSO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tso.fr

tso.fr

264 ms

762 ms

style.min.css

style.min.css

88 ms

nge-talent-public.min.css

nge-talent-public.min.css

533 ms

styles.min.css

styles.min.css

706 ms

swiper-bundle.min.css

swiper-bundle.min.css

20 ms

aos.css

aos.css

34 ms

front.min.css

front.min.css

544 ms

jquery.min.js

jquery.min.js

632 ms

acf.min.js

acf.min.js

556 ms

swiper-bundle.min.js

swiper-bundle.min.js

23 ms

script.js

script.js

559 ms

nge-talent-captcha.js

nge-talent-captcha.js

615 ms

nge-talent-public.js

nge-talent-public.js

631 ms

front.min.js

front.min.js

643 ms

scripts.js

scripts.js

648 ms

imagesloaded.min.js

imagesloaded.min.js

169 ms

ofi.min.js

ofi.min.js

30 ms

modernizr.min.js

modernizr.min.js

698 ms

vendors.js

vendors.js

807 ms

scripts-front.js

scripts-front.js

887 ms

aos.js

aos.js

43 ms

scripts-countdown.js

scripts-countdown.js

806 ms

aos.css

aos.css

18 ms

aos.js

aos.js

9 ms

aos.css

aos.css

15 ms

aos.js

aos.js

10 ms

icon-sprite.svg

icon-sprite.svg

90 ms

MicrosoftTeams-image-47.jpg

MicrosoftTeams-image-47.jpg

330 ms

Experimentation-catenaire-Tramway-T12-1-Copie-scaled.jpg

Experimentation-catenaire-Tramway-T12-1-Copie-scaled.jpg

405 ms

MicrosoftTeams-image-43-1.jpg

MicrosoftTeams-image-43-1.jpg

430 ms

arrow-left.png

arrow-left.png

128 ms

arrow-right.png

arrow-right.png

179 ms

TRAM-ANEMASSE-1.jpg

TRAM-ANEMASSE-1.jpg

537 ms

CDG-1.jpg

CDG-1.jpg

380 ms

Bg-Matiere-slider-medias-ballaste-travaux-ferroviaire-1320x700.jpg

Bg-Matiere-slider-medias-ballaste-travaux-ferroviaire-1320x700.jpg

604 ms

passionn%C3%A9ment-RH.jpg

passionn%C3%A9ment-RH.jpg

416 ms

logo-nge.png

logo-nge.png

468 ms

NexaHeavy.woff

NexaHeavy.woff

437 ms

NexaBlack.woff

NexaBlack.woff

454 ms

NexaHeavy.woff

NexaHeavy.woff

1650 ms

NexaBlack.woff

NexaBlack.woff

1661 ms

NexaHeavy.woff

NexaHeavy.woff

808 ms

NexaBlack.woff

NexaBlack.woff

792 ms

NexaXBold.woff

NexaXBold.woff

522 ms

NexaXBold.woff

NexaXBold.woff

1706 ms

NexaXBold.woff

NexaXBold.woff

1053 ms

NexaBold.woff

NexaBold.woff

575 ms

NexaBold.woff

NexaBold.woff

1873 ms

NexaBold.woff

NexaBold.woff

914 ms

NexaBook.woff

NexaBook.woff

635 ms

Nexa.woff

Nexa.woff

664 ms

NexaBook.woff

NexaBook.woff

1592 ms

Nexa.woff

Nexa.woff

1860 ms

NexaBook.woff

NexaBook.woff

1040 ms

Nexa.woff

Nexa.woff

1006 ms

NexaLight.woff

NexaLight.woff

1740 ms

NexaLight.woff

NexaLight.woff

2682 ms

NexaLight.woff

NexaLight.woff

1630 ms

NexaThin.woff

NexaThin.woff

1931 ms

NexaThin.woff

NexaThin.woff

3112 ms

NexaThin.woff

NexaThin.woff

1948 ms

Accessibility Review

tso.fr accessibility score

91

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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>).

Best Practices

tso.fr 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

tso.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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tso.fr can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Tso.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

tso.fr

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