Access en.retromobile.com. Rétromobile - Le Salon des voitures de collection

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value19.5 s

0/100

25%

SI (Speed Index)

Value14.6 s

1/100

10%

TBT (Total Blocking Time)

Value2,740 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value32.3 s

0/100

10%

en.retromobile.com

363 ms

www.retromobile.com

757 ms

optimized-min.css

24 ms

optimized-min.css

38 ms

optimized-min.css

28 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original En.retromobile.com, 65% (80 requests) were made to Retromobile.com and 8% (10 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source Retromobile.com.

Content Size

2.7 MB

After Optimization

2.3 MB

In fact, the total size of En.retromobile.com main page is 2.7 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 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 177.6 kB

Original 234.0 kB
After minification 233.9 kB
After compression 56.3 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 177.6 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 96 B

Original 1.4 MB
After minification 1.4 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. En Retromobi Le images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 121.0 kB

Original 825.4 kB
After minification 825.2 kB
After compression 704.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 121.0 kB or 15% of the original size.

CSS Optimization

-33%

Potential reduce by 91.8 kB

Original 274.9 kB
After minification 239.1 kB
After compression 183.1 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. En.retromobile.com needs all CSS files to be minified and compressed as it can save up to 91.8 kB or 33% of the original size.

Requests Now

102

After Optimization

The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of En Retromobi Le. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Document uses plugins

Language and Encoding

Language Detected

FR
Language Claimed

N/A
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise En.retromobile.com can be misinterpreted by Google and other search engines. Our service has detected that French 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 En.retromobile.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

en.retromobile.com

Open Graph description is not detected on the main page of En Retromobi Le. 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

Rétromobile - Le Salon des voitures de collection

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)

Network Requests Diagram

en.retromobile.com

www.retromobile.com

optimized-min.css

optimized-min.css

optimized-min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

en.retromobile.com

www.retromobile.com

optimized-min.css

optimized-min.css

optimized-min.css

pre-optimized-min.css

VisitorIdentification.js

jquery-3.5.1.min.js

asyncjs.php

swiffy-slider.min.js

jquery-3.4.1.min.js

jquery.validate.min.js

jquery.validate.unobtrusive.min.js

jquery.unobtrusive-ajax.min.js

form.validate.js

form.tracking.js

form.conditions.js

optimized-min.js

optimized-min.js

optimized-min.js

optimized-min.js

optimized-min.js

optimized-min.js

optimized-min.js

optimized-min.js

pre-optimized-min.js

css2

css2

gtm.js

logo-retromobile.png

banniere-affiche-retromobile-key-visual-2025.jpg

banniere-un-vehicule-une-histoire-la-porsche-959-de-rene-metge.jpg

Ban-Retro2025-550x450.jpg

animation-loeb-retro-2024.jpg

voitures-animation-retro-2024.jpg

Logo-Artcurial.jpg

Logo-ASO.jpg

Logo-AutoHeroes.jpg

Logo-Automoto.jpg

Logo-AutoPlus.jpg

Logo-AutoPlus-Classiques.jpg

logo-lauthentique.jpg

logo-british-motor-museum.jpg