Tools & Wizards About Us

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

rc-diffusion.com

RC Diffusion modélisme voitures télécommandées électriques et thermiques modélisme rc

Page Load Speed

6.4 sec in total

First Response

304 ms

Resources Loaded

5.3 sec

Page Rendered

848 ms

About Website

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

Rc-diffusion est une boutique en ligne de modélisme RC. Vente de modèles réduits radio commandés. Grand choix de voitures télécommandées électriques et thermiques parmi les plus grandes marques: Kyosh...

Visit rc-diffusion.com

Key Findings

We analyzed Rc-diffusion.com page load time and found that the first response time was 304 ms and then it took 6.1 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

rc-diffusion.com performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value14.2 s

0/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value2,120 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.354

31/100

15%

TTI (Time to Interactive)

Value21.7 s

1/100

10%

Network Requests Diagram

rc-diffusion.com

304 ms

www.rc-diffusion.com

1037 ms

web.all.css

327 ms

custom.all.css

298 ms

spe.all.css

382 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 63% of them (55 requests) were addressed to the original Rc-diffusion.com, 16% (14 requests) were made to Sw-assets.ekomiapps.de and 11% (10 requests) were made to Smart-widget-assets.ekomiapps.de. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Rc-diffusion.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 268.7 kB (7%)

Content Size

4.0 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rc-diffusion.com main page is 4.0 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 217.6 kB

  • Original 251.8 kB
  • After minification 247.4 kB
  • After compression 34.2 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 217.6 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 49.0 kB

  • Original 3.3 MB
  • After minification 3.2 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. RC Diffusion images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 2.1 kB

  • Original 450.9 kB
  • After minification 450.9 kB
  • After compression 448.8 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

-0%

Potential reduce by 67 B

  • Original 19.2 kB
  • After minification 19.2 kB
  • After compression 19.2 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. Rc-diffusion.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (36%)

Requests Now

78

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RC Diffusion. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

rc-diffusion.com accessibility score

68

Accessibility Issues

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-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

rc-diffusion.com best practices score

50

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

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

rc-diffusion.com SEO score

77

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

High

robots.txt is not valid

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    FR

  • Encoding

    ISO-8859-1

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

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