Access dev-jv.com. DEV-JV – Développe et optimise vos outils informatiques

Report Summary

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

dev-jv.com

445 ms

admin-theme.css

431 ms

css

26 ms

css

36 ms

cJZKeOuBrn4kERxqtaUH3SZ2oysoEQEeKwjgmXLRnTc.ttf

5 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 40% of them (4 requests) were addressed to the original Dev-jv.com, 40% (4 requests) were made to Fonts.gstatic.com and 20% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (445 ms) belongs to the original domain Dev-jv.com.

Content Size

471.3 kB

After Optimization

63.6 kB

In fact, the total size of Dev-jv.com main page is 471.3 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. 15% of websites need less resources to load. CSS take 468.7 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 1.7 kB

Original 2.6 kB
After minification 2.2 kB
After compression 914 B

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. This page needs HTML code to be minified as it can gain 408 B, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 1.7 kB or 65% of the original size.

CSS Optimization

-87%

Potential reduce by 406.0 kB

Original 468.7 kB
After minification 467.7 kB
After compression 62.7 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. Dev-jv.com needs all CSS files to be minified and compressed as it can save up to 406.0 kB or 87% of the original size.

Requests Now

After Optimization

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DEV JV. According to our analytics all requests are already optimized.

Accessibility Issues

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.

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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 Dev-jv.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 Dev-jv.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

Open Graph description is not detected on the main page of DEV JV. 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: