Tools & Wizards About Us
youdemus.com screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

youdemus.com

Youdemus - French web agency in Paris & Bordeaux

Page Load Speed

3.1 sec in total

First Response

286 ms

Resources Loaded

2.1 sec

Page Rendered

724 ms

youdemus.com screenshot

About Website

Click here to check amazing Youdemus content. Otherwise, check out these important facts you probably never knew about youdemus.com

Web agency in Paris specialising in website design and redesign, SEO and web marketing support. Raise your online tools and be more appealing.

Visit youdemus.com

Key Findings

We analyzed Youdemus.com page load time and found that the first response time was 286 ms and then it took 2.8 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

youdemus.com performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

3/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value6.6 s

58/100

10%

Network Requests Diagram

youdemus.com

286 ms

www.youdemus.com

511 ms

css

33 ms

aos.css

122 ms

oxygen.css

133 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 32% of them (17 requests) were addressed to the original Youdemus.com, 38% (20 requests) were made to Youdemus.fr and 17% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (546 ms) relates to the external source Youdemus.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 305.2 kB (40%)

Content Size

765.3 kB

After Optimization

460.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Youdemus.com main page is 765.3 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. 55% of websites need less resources to load. HTML takes 452.5 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 301.6 kB

  • Original 452.5 kB
  • After minification 445.6 kB
  • After compression 150.9 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 301.6 kB or 67% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 191.0 kB
  • After minification 191.0 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. Youdemus images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 764 B

  • Original 76.0 kB
  • After minification 76.0 kB
  • After compression 75.2 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

-6%

Potential reduce by 2.9 kB

  • Original 45.8 kB
  • After minification 45.4 kB
  • After compression 43.0 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. Youdemus.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (60%)

Requests Now

42

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Youdemus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

youdemus.com

youdemus.com

286 ms

www.youdemus.com

www.youdemus.com

511 ms

css

css

33 ms

aos.css

aos.css

122 ms

oxygen.css

oxygen.css

133 ms

ydu_assets.css

ydu_assets.css

27 ms

plyr.css

plyr.css

37 ms

ndm_public.css

ndm_public.css

154 ms

breadcrumb.css

breadcrumb.css

497 ms

main_menu.css

main_menu.css

140 ms

front-widget.css

front-widget.css

336 ms

style.css

style.css

277 ms

gdpr-main.css

gdpr-main.css

300 ms

gdpr_cc_addon.css

gdpr_cc_addon.css

265 ms

aos.js

aos.js

137 ms

jquery.min.js

jquery.min.js

37 ms

ydu_assets.js

ydu_assets.js

44 ms

plyr.js

plyr.js

51 ms

ndm_public.js

ndm_public.js

144 ms

main_menu.js

main_menu.js

141 ms

1234.css

1234.css

241 ms

1200.css

1200.css

248 ms

851.css

851.css

54 ms

universal.css

universal.css

154 ms

svgembedder.min.js

svgembedder.min.js

137 ms

front-widget.js

front-widget.js

271 ms

main.js

main.js

10 ms

gdpr_cc_addon.js

gdpr_cc_addon.js

44 ms

matomo.js

matomo.js

88 ms

logo_youdemus.svg

logo_youdemus.svg

273 ms

vignette.jpg

vignette.jpg

352 ms

vignette-1.jpg

vignette-1.jpg

20 ms

vignette.jpg

vignette.jpg

349 ms

bullet-arrow.svg

bullet-arrow.svg

20 ms

logo_youdemus.svg

logo_youdemus.svg

16 ms

gdpr-logo.png

gdpr-logo.png

142 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuOKfAZ9hjQ.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuOKfAZ9hjQ.ttf

69 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuDyfAZ9hjQ.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuDyfAZ9hjQ.ttf

133 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyeAZ9hjQ.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyeAZ9hjQ.ttf

155 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZ9hjQ.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZ9hjQ.ttf

154 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuI6fAZ9hjQ.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuI6fAZ9hjQ.ttf

157 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuGKYAZ9hjQ.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuGKYAZ9hjQ.ttf

155 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuFuYAZ9hjQ.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuFuYAZ9hjQ.ttf

155 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuDyYAZ9hjQ.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuDyYAZ9hjQ.ttf

154 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuBWYAZ9hjQ.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuBWYAZ9hjQ.ttf

156 ms

HP_header-11.jpg

HP_header-11.jpg

105 ms

bg_etapes.svg

bg_etapes.svg

105 ms

arrow_link.svg

arrow_link.svg

144 ms

bg_hp_expertise.svg

bg_hp_expertise.svg

145 ms

cta-photo.jpg

cta-photo.jpg

546 ms

cta_bg_striped.svg

cta_bg_striped.svg

203 ms

svgdefs.svg

svgdefs.svg

104 ms

matomo.php

matomo.php

391 ms

Accessibility Review

youdemus.com accessibility score

82

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

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

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

Best Practices

youdemus.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

youdemus.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

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Youdemus.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Youdemus.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

youdemus.com

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