Tools & Wizards About Us
4d.developpez.com screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

4d.developpez.com

4D Actualités, cours, tutoriels, programmation, FAQ, livres, forum

Page Load Speed

3 sec in total

First Response

252 ms

Resources Loaded

2.3 sec

Page Rendered

410 ms

4d.developpez.com screenshot

About Website

Visit 4d.developpez.com now to see the best up-to-date 4D Developpez content for France and also check out these interesting facts you probably never knew about 4d.developpez.com

Club des developpeurs : Forum, Cours et tutoriels en programmation : Delphi, C, C++, Java, VB, DotNET, C#, PHP, ASP, UML, XML

Visit 4d.developpez.com

Key Findings

We analyzed 4d.developpez.com page load time and found that the first response time was 252 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

4d.developpez.com performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value170 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value5.7 s

69/100

10%

Network Requests Diagram

4d.developpez.com

252 ms

4d.developpez.com

545 ms

js

59 ms

jquery-3.4.1.js

156 ms

popper.js

238 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 50% of them (29 requests) were addressed to the original 4d.developpez.com, 33% (19 requests) were made to Developpez.com and 3% (2 requests) were made to Compteur.developpez.com. The less responsive or slowest element that took the longest time to load (545 ms) belongs to the original domain 4d.developpez.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 88.8 kB (20%)

Content Size

449.9 kB

After Optimization

361.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 4d.developpez.com main page is 449.9 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. Javascripts take 221.6 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 49.1 kB

  • Original 61.9 kB
  • After minification 58.9 kB
  • After compression 12.9 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 49.1 kB or 79% of the original size.

Image Optimization

-16%

Potential reduce by 15.6 kB

  • Original 96.7 kB
  • After minification 81.0 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. Obviously, 4D Developpez needs image optimization as it can save up to 15.6 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-8%

Potential reduce by 18.7 kB

  • Original 221.6 kB
  • After minification 221.6 kB
  • After compression 202.9 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 5.4 kB

  • Original 69.7 kB
  • After minification 69.7 kB
  • After compression 64.4 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. 4d.developpez.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 29 (52%)

Requests Now

56

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4D Developpez. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

4d.developpez.com

4d.developpez.com

252 ms

4d.developpez.com

4d.developpez.com

545 ms

js

js

59 ms

jquery-3.4.1.js

jquery-3.4.1.js

156 ms

popper.js

popper.js

238 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

327 ms

bootstrap.js

bootstrap.js

339 ms

bootstrap.css

bootstrap.css

352 ms

bootstrap-social.css

bootstrap-social.css

250 ms

all.min.css

all.min.css

259 ms

fontawesome.min.css

fontawesome.min.css

315 ms

461 ms

gpt.js

gpt.js

102 ms

adsbygoogle.js

adsbygoogle.js

147 ms

gabarit.css

gabarit.css

336 ms

gabarit.js

gabarit.js

336 ms

index2.css

index2.css

461 ms

index.css

index.css

472 ms

colonne-droite.js

colonne-droite.js

379 ms

log.js

log.js

379 ms

log.css

log.css

380 ms

pubads_impl.js

pubads_impl.js

99 ms

sgbd.png

sgbd.png

136 ms

compter-39

compter-39

370 ms

compter-39

compter-39

397 ms

edi.png

edi.png

202 ms

sgbd.gif

sgbd.gif

277 ms

sondages.png

sondages.png

279 ms

discussions.png

discussions.png

278 ms

article.png

article.png

283 ms

download.gif

download.gif

285 ms

outils.gif

outils.gif

290 ms

sondage1.gif

sondage1.gif

353 ms

article.gif

article.gif

354 ms

faq.png

faq.png

354 ms

0

0

388 ms

logo-dvp-h55.png

logo-dvp-h55.png

129 ms

developpez.com.png

developpez.com.png

132 ms

gabarit-icons.png

gabarit-icons.png

131 ms

gabarit-home.png

gabarit-home.png

131 ms

social.png

social.png

127 ms

pub728.png

pub728.png

131 ms

comments.gif

comments.gif

327 ms

pub300.png

pub300.png

161 ms

middot.png

middot.png

237 ms

ga.js

ga.js

63 ms

189 ms

kr39ir0b0.jpg

kr39ir0b0.jpg

384 ms

or39sa3v0.jpg

or39sa3v0.jpg

473 ms

__utm.gif

__utm.gif

12 ms

x

x

250 ms

edi.png

edi.png

80 ms

offres.php

offres.php

467 ms

offres.php

offres.php

269 ms

offres.css

offres.css

81 ms

300x600standardmultiple.png

300x600standardmultiple.png

81 ms

728x90standardmultiple.png

728x90standardmultiple.png

86 ms

printer.css

printer.css

78 ms

Accessibility Review

4d.developpez.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

[role] values are not valid

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

4d.developpez.com best practices score

67

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

4d.developpez.com SEO score

86

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

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    FR

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 4d.developpez.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 4d.developpez.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

4d.developpez.com

Open Graph description is not detected on the main page of 4D Developpez. 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: