Tools & Wizards About Us
lyondev.fr screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

lyondev.fr

Agence de conception Web et Graphique sur Francheville - Ouest Lyonnais

Page Load Speed

6 sec in total

First Response

195 ms

Resources Loaded

5.5 sec

Page Rendered

250 ms

lyondev.fr screenshot

About Website

Visit lyondev.fr now to see the best up-to-date Lyon De V content for France and also check out these interesting facts you probably never knew about lyondev.fr

Lyondev est une agence de conception web et graphique, basée sur la confiance et la transparence. Notre mission a pour but d'aider les PME et PMI à développer leur business, et accompagner les as...

Visit lyondev.fr

Key Findings

We analyzed Lyondev.fr page load time and found that the first response time was 195 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

lyondev.fr performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value9,300 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.567

12/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

lyondev.fr

195 ms

index.php

191 ms

css

25 ms

buttons.css

173 ms

social-icons.css

192 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 83% of them (102 requests) were addressed to the original Lyondev.fr, 2% (3 requests) were made to V2.zopim.com and 2% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Lyondev.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.1 MB (62%)

Content Size

3.4 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lyondev.fr main page is 3.4 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. 75% 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. Javascripts take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 51.8 kB

  • Original 65.7 kB
  • After minification 61.7 kB
  • After compression 13.9 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 51.8 kB or 79% of the original size.

Image Optimization

-7%

Potential reduce by 49.0 kB

  • Original 687.8 kB
  • After minification 638.8 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. Lyon De V images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 1.4 MB

  • Original 1.9 MB
  • After minification 1.8 MB
  • After compression 521.9 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 1.4 MB or 73% of the original size.

CSS Optimization

-86%

Potential reduce by 613.2 kB

  • Original 714.6 kB
  • After minification 601.1 kB
  • After compression 101.4 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. Lyondev.fr needs all CSS files to be minified and compressed as it can save up to 613.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 72 (62%)

Requests Now

116

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lyon De V. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 52 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lyondev.fr

lyondev.fr

195 ms

index.php

index.php

191 ms

css

css

25 ms

buttons.css

buttons.css

173 ms

social-icons.css

social-icons.css

192 ms

font-awesome.min.css

font-awesome.min.css

259 ms

bootstrap.min.css

bootstrap.min.css

357 ms

jslider.css

jslider.css

181 ms

settings.css

settings.css

270 ms

jquery.fancybox.css

jquery.fancybox.css

269 ms

animate.css

animate.css

281 ms

video-js.min.css

video-js.min.css

299 ms

morris.css

morris.css

369 ms

royalslider.css

royalslider.css

369 ms

rs-minimal-white.css

rs-minimal-white.css

372 ms

layerslider.css

layerslider.css

394 ms

ladda.min.css

ladda.min.css

1240 ms

datepicker.css

datepicker.css

455 ms

jquery.scrollbar.css

jquery.scrollbar.css

459 ms

style.css

style.css

627 ms

responsive.css

responsive.css

500 ms

pages.css

pages.css

495 ms

home-pages-customizer.css

home-pages-customizer.css

557 ms

ie.css

ie.css

560 ms

jquery.min.js

jquery.min.js

9 ms

bootstrap.min.js

bootstrap.min.js

597 ms

jshashtable-2.1_src.js

jshashtable-2.1_src.js

607 ms

jquery.numberformatter-1.2.3.js

jquery.numberformatter-1.2.3.js

653 ms

tmpl.js

tmpl.js

651 ms

jquery.dependClass-0.1.js

jquery.dependClass-0.1.js

693 ms

draggable-0.1.js

draggable-0.1.js

716 ms

jquery.slider.js

jquery.slider.js

721 ms

jquery.carouFredSel-6.2.1-packed.js

jquery.carouFredSel-6.2.1-packed.js

845 ms

jquery.touchSwipe.min.js

jquery.touchSwipe.min.js

765 ms

jquery.elevateZoom-3.0.8.min.js

jquery.elevateZoom-3.0.8.min.js

837 ms

jquery.imagesloaded.min.js

jquery.imagesloaded.min.js

818 ms

jquery.appear.js

jquery.appear.js

817 ms

jquery.sparkline.min.js

jquery.sparkline.min.js

866 ms

jquery.easypiechart.min.js

jquery.easypiechart.min.js

910 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

852 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

775 ms

isotope.pkgd.min.js

isotope.pkgd.min.js

773 ms

jquery.knob.js

jquery.knob.js

779 ms

jquery.stellar.min.js

jquery.stellar.min.js

752 ms

jquery.selectBox.min.js

jquery.selectBox.min.js

805 ms

jquery.royalslider.min.js

jquery.royalslider.min.js

859 ms

jquery.tubular.1.0.js

jquery.tubular.1.0.js

775 ms

SmoothScroll.js

SmoothScroll.js

767 ms

country.js

country.js

733 ms

spin.min.js

spin.min.js

783 ms

ladda.min.js

ladda.min.js

798 ms

masonry.pkgd.min.js

masonry.pkgd.min.js

845 ms

morris.min.js

morris.min.js

800 ms

raphael.min.js

raphael.min.js

883 ms

video.js

video.js

1439 ms

pixastic.custom.js

pixastic.custom.js

803 ms

livicons-1.3.min.js

livicons-1.3.min.js

1132 ms

greensock.js

greensock.js

844 ms

layerslider.transitions.js

layerslider.transitions.js

780 ms

layerslider.kreaturamedia.jquery.js

layerslider.kreaturamedia.jquery.js

852 ms

jquery.themepunch.plugins.min.js

jquery.themepunch.plugins.min.js

1001 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

962 ms

bootstrapValidator.min.js

bootstrapValidator.min.js

958 ms

bootstrap-datepicker.js

bootstrap-datepicker.js

956 ms

jquery.jplayer.min.js

jquery.jplayer.min.js

941 ms

jplayer.playlist.min.js

jplayer.playlist.min.js

941 ms

jquery.scrollbar.min.js

jquery.scrollbar.min.js

977 ms

main.js

main.js

924 ms

logo_LyonDev.png

logo_LyonDev.png

485 ms

banniere_pack_starter_phrase_velo.png

banniere_pack_starter_phrase_velo.png

722 ms

banniere_pack_starter_rond_jaune.png

banniere_pack_starter_rond_jaune.png

722 ms

banniere_pack_starter_bouton1.png

banniere_pack_starter_bouton1.png

524 ms

banniere_pack_starter_texte1.png

banniere_pack_starter_texte1.png

538 ms

banniere_pack_starter_pack.png

banniere_pack_starter_pack.png

894 ms

banniere_pack_starter_prix.png

banniere_pack_starter_prix.png

632 ms

banniere_pack_starter_infos_prix.png

banniere_pack_starter_infos_prix.png

721 ms

banniere_pack_starter_phrase2.png

banniere_pack_starter_phrase2.png

3398 ms

banniere_pack_starter_details.png

banniere_pack_starter_details.png

969 ms

banniere_pack_starter_texte2.png

banniere_pack_starter_texte2.png

894 ms

banniere_pack_starter_phrase1.png

banniere_pack_starter_phrase1.png

895 ms

banniere_pack_starter_bouton2.png

banniere_pack_starter_bouton2.png

895 ms

banniere_pack_starter.jpg

banniere_pack_starter.jpg

993 ms

icone_mascotte_10cm.png

icone_mascotte_10cm.png

896 ms

loader.svg

loader.svg

947 ms

dietetic_internationale_logo1_270x197.jpg

dietetic_internationale_logo1_270x197.jpg

946 ms

cil_par_cil_logo1_270x197.jpg

cil_par_cil_logo1_270x197.jpg

956 ms

partenario_logo1_270x197.jpg

partenario_logo1_270x197.jpg

1004 ms

lezartszen_logo2_270x197.jpg

lezartszen_logo2_270x197.jpg

1018 ms

axcelliance_logo1_270x197.jpg

axcelliance_logo1_270x197.jpg

1022 ms

wZLYhRRxZWGToTRP78bqJQ.woff

wZLYhRRxZWGToTRP78bqJQ.woff

38 ms

UnXpojilM3XslYxUnWuVe_esZW2xOQ-xsNqO47m55DA.woff

UnXpojilM3XslYxUnWuVe_esZW2xOQ-xsNqO47m55DA.woff

39 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1187 ms

RaidhoCom_logo_270x197.jpg

RaidhoCom_logo_270x197.jpg

1034 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

1038 ms

iframe_api

iframe_api

25 ms

ITP_logo1_270x197.jpg

ITP_logo1_270x197.jpg

990 ms

www-widgetapi.js

www-widgetapi.js

5 ms

ABM_pharma_logo1_270x197.jpg

ABM_pharma_logo1_270x197.jpg

975 ms

widget_v2.135.js

widget_v2.135.js

18 ms

__$$__stringtable_lang_fr.js

__$$__stringtable_lang_fr.js

17 ms

beaute_des_lys_logo1_270x197.jpg

beaute_des_lys_logo1_270x197.jpg

863 ms

jolies_choses_logo2_270x197.jpg

jolies_choses_logo2_270x197.jpg

859 ms

lyon_debarras_logo1_270x197.jpg

lyon_debarras_logo1_270x197.jpg

870 ms

parlez_moi_ongles_logo3_270x197.jpg

parlez_moi_ongles_logo3_270x197.jpg

913 ms

nail_pops_logo1_270x197.jpg

nail_pops_logo1_270x197.jpg

1191 ms

nlh_logo2_270x197.jpg

nlh_logo2_270x197.jpg

1192 ms

energIT_logo1_270x197.jpg

energIT_logo1_270x197.jpg

1170 ms

statormotor_logo1_270x197.jpg

statormotor_logo1_270x197.jpg

1136 ms

ultrapart_logo1_270x197.jpg

ultrapart_logo1_270x197.jpg

1128 ms

photo_locaux_footer.jpg

photo_locaux_footer.jpg

1082 ms

analytics.js

analytics.js

174 ms

sdk.js

sdk.js

177 ms

collect

collect

26 ms

collect

collect

68 ms

69 ms

xd_arbiter.php

xd_arbiter.php

138 ms

xd_arbiter.php

xd_arbiter.php

281 ms

avatar_simple_visitor.png

avatar_simple_visitor.png

84 ms

aL63HcygAAVYuCCsAAA==

aL63HcygAAVYuCCsAAA==

1 ms

js

js

75 ms

share_button.php

share_button.php

79 ms

tEnfyhc8XtK.js

tEnfyhc8XtK.js

303 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

338 ms

Accessibility Review

lyondev.fr accessibility score

83

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

lyondev.fr best practices score

75

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

lyondev.fr SEO score

92

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

lyondev.fr

Open Graph description is not detected on the main page of Lyon De V. 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: