Access agence-web-diabolo.com. Agence web à Lille, création sites internet et stratégie digitale

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value71.5 s

0/100

25%

SI (Speed Index)

Value18.0 s

0/100

10%

TBT (Total Blocking Time)

Value4,300 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value47.2 s

0/100

10%

diabolo-web.com

968 ms

wp-emoji-release.min.js

90 ms

style.min.css

177 ms

styles.css

244 ms

wordpress-svg-icon-plugin-style.min.css

245 ms

Our browser made a total of 119 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Agence-web-diabolo.com, 17% (20 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Diabolo-web.com.

Content Size

15.0 MB

After Optimization

13.6 MB

In fact, the total size of Agence-web-diabolo.com main page is 15.0 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. Only a small number of websites need less resources to load. Images take 14.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 142.3 kB

Original 166.5 kB
After minification 155.0 kB
After compression 24.2 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 142.3 kB or 85% of the original size.

Image Optimization

-9%

Potential reduce by 1.2 MB

Original 14.2 MB
After minification 13.0 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. Agence Web Diabolo images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 24.1 kB

Original 490.0 kB
After minification 490.0 kB
After compression 465.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-8%

Potential reduce by 12.6 kB

Original 155.1 kB
After minification 154.9 kB
After compression 142.6 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. Agence-web-diabolo.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Agence Web Diabolo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

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

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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

Language and Encoding

Language Detected

FR
Language Claimed

FR
Encoding

UTF-8

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

agence-web-diabolo.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Agence web à Lille, création sites internet et stratégie digitale | Diabolo Web

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

diabolo-web.com

wp-emoji-release.min.js

style.min.css

styles.css

wordpress-svg-icon-plugin-style.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

diabolo-web.com

wp-emoji-release.min.js

style.min.css

styles.css

wordpress-svg-icon-plugin-style.min.css

style.css

style.css

cesis_media_queries.css

cesis_plugins.css

cesis_icons.css

css

admin-ajax.php

js_composer.min.css

style.css

the-grid.min.css

font-awesome-social.css

css

jquery.min.js

jquery-migrate.min.js

animate.min.css

css

mediaelementplayer-legacy.min.css

wp-mediaelement.min.css

scripts.js

api.js

script.js

cesis_collapse.js

cesis_countup.js

cesis_easing.js

cesis_fittext.js

fitvids.js

fonticonpicker.js

lightgallery.js

owlcarousel.js

scrollmagic.js

cesis_transition.js

smartmenus.js

isotope.js

waypoints.js

api.js

cesis_custom.js

scripts.js

effect.min.js