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javaweb.developpez.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% 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

javaweb.developpez.com

Club des développeurs Web Java : actualités, forums avec sondages et débats, cours, faq, critiques de livres

Page Load Speed

2.9 sec in total

First Response

332 ms

Resources Loaded

1.9 sec

Page Rendered

661 ms

javaweb.developpez.com screenshot

About Website

Click here to check amazing Java Web De Veloppez content for France. Otherwise, check out these important facts you probably never knew about javaweb.developpez.com

Club des professionnels en informatique : Forum, Cours et tutoriels : Delphi, C, C++, Java, VB, DotNET, C#, PHP, ASP, UML

Visit javaweb.developpez.com

Key Findings

We analyzed Javaweb.developpez.com page load time and found that the first response time was 332 ms and then it took 2.6 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

javaweb.developpez.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value430 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

javaweb.developpez.com

332 ms

javaweb.developpez.com

609 ms

js

60 ms

jquery-3.4.1.js

232 ms

popper.js

306 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 35% of them (27 requests) were addressed to the original Javaweb.developpez.com, 47% (37 requests) were made to Developpez.com and 4% (3 requests) were made to Cmp.inmobi.com. The less responsive or slowest element that took the longest time to load (660 ms) relates to the external source Developpez.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 146.1 kB (20%)

Content Size

725.5 kB

After Optimization

579.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Javaweb.developpez.com main page is 725.5 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 385.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 107.3 kB

  • Original 132.7 kB
  • After minification 125.6 kB
  • After compression 25.4 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 107.3 kB or 81% of the original size.

Image Optimization

-11%

Potential reduce by 15.4 kB

  • Original 141.5 kB
  • After minification 126.2 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, Java Web De Veloppez needs image optimization as it can save up to 15.4 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-5%

Potential reduce by 18.7 kB

  • Original 385.1 kB
  • After minification 385.1 kB
  • After compression 366.4 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

-7%

Potential reduce by 4.8 kB

  • Original 66.1 kB
  • After minification 66.1 kB
  • After compression 61.4 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. Javaweb.developpez.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 31 (42%)

Requests Now

74

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Java Web De Veloppez. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

javaweb.developpez.com

javaweb.developpez.com

332 ms

javaweb.developpez.com

javaweb.developpez.com

609 ms

js

js

60 ms

jquery-3.4.1.js

jquery-3.4.1.js

232 ms

popper.js

popper.js

306 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

308 ms

bootstrap.js

bootstrap.js

323 ms

bootstrap.css

bootstrap.css

334 ms

bootstrap-social.css

bootstrap-social.css

251 ms

all.min.css

all.min.css

314 ms

fontawesome.min.css

fontawesome.min.css

341 ms

548 ms

gpt.js

gpt.js

101 ms

adsbygoogle.js

adsbygoogle.js

169 ms

gabarit.css

gabarit.css

428 ms

gabarit.js

gabarit.js

428 ms

index2.css

index2.css

426 ms

index.css

index.css

455 ms

colonne-droite.js

colonne-droite.js

280 ms

log.js

log.js

280 ms

log.css

log.css

399 ms

choice.js

choice.js

470 ms

pubads_impl.js

pubads_impl.js

112 ms

97

97

397 ms

compter-97

compter-97

436 ms

compter-97

compter-97

465 ms

java.png

java.png

173 ms

edi.png

edi.png

236 ms

programmation.png

programmation.png

252 ms

intellij.png

intellij.png

260 ms

php.png

php.png

255 ms

calendrier.png

calendrier.png

262 ms

etude.png

etude.png

264 ms

discussions.png

discussions.png

313 ms

jeux.png

jeux.png

331 ms

web.png

web.png

345 ms

justice.png

justice.png

356 ms

visual-studio.png

visual-studio.png

357 ms

emploi.png

emploi.png

357 ms

trolldi.png

trolldi.png

431 ms

c++.png

c++.png

432 ms

loi.png

loi.png

432 ms

sondages.png

sondages.png

445 ms

jetbrains.png

jetbrains.png

447 ms

developpeur-logiciel.png

developpeur-logiciel.png

446 ms

jakartaee.png

jakartaee.png

472 ms

dvp.gif

dvp.gif

501 ms

editeur-texte.png

editeur-texte.png

500 ms

javascript.png

javascript.png

518 ms

spring.png

spring.png

526 ms

w3c.gif

w3c.gif

530 ms

java-2.gif

java-2.gif

549 ms

article.gif

article.gif

580 ms

article.png

article.png

580 ms

ibmcloud.png

ibmcloud.png

600 ms

eclipse-v2.png

eclipse-v2.png

610 ms

gwt2.png

gwt2.png

616 ms

spring.gif

spring.gif

625 ms

java-4.gif

java-4.gif

658 ms

cloud-computing.gif

cloud-computing.gif

660 ms

0

0

436 ms

logo-dvp-h55.png

logo-dvp-h55.png

128 ms

developpez.com.png

developpez.com.png

129 ms

gabarit-icons.png

gabarit-icons.png

128 ms

gabarit-home.png

gabarit-home.png

108 ms

social.png

social.png

108 ms

pub728.png

pub728.png

140 ms

comments.gif

comments.gif

650 ms

pub300.png

pub300.png

152 ms

fa-solid-900.woff

fa-solid-900.woff

282 ms

fa-regular-400.woff

fa-regular-400.woff

138 ms

printer.css

printer.css

95 ms

cmp2-polyfilled.js

cmp2-polyfilled.js

7 ms

middot.png

middot.png

309 ms

couverture-201502.jpg

couverture-201502.jpg

85 ms

geoip

geoip

12 ms

ga.js

ga.js

40 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

javaweb.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

javaweb.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

javaweb.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 Javaweb.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 Javaweb.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

javaweb.developpez.com

Open Graph description is not detected on the main page of Java Web De Veloppez. 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: