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name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

21/100

25%

SI (Speed Index)

Value4.9 s

64/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value7.1 s

52/100

10%

zend-framework.developpez.com

337 ms

zend-framework.developpez.com

562 ms

js

60 ms

jquery-3.4.1.js

160 ms

popper.js

314 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 46% of them (31 requests) were addressed to the original Zend-framework.developpez.com, 39% (26 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 (609 ms) belongs to the original domain Zend-framework.developpez.com.

Content Size

400.4 kB

After Optimization

274.0 kB

In fact, the total size of Zend-framework.developpez.com main page is 400.4 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 121.3 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 80.6 kB

Original 98.6 kB
After minification 92.8 kB
After compression 17.9 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 80.6 kB or 82% of the original size.

Image Optimization

-20%

Potential reduce by 21.1 kB

Original 107.2 kB
After minification 86.1 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, Zend Framework De Veloppez needs image optimization as it can save up to 21.1 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-15%

Potential reduce by 18.7 kB

Original 121.3 kB
After minification 121.3 kB
After compression 102.6 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 18.7 kB or 15% of the original size.

CSS Optimization

-8%

Potential reduce by 6.0 kB

Original 73.4 kB
After minification 73.4 kB
After compression 67.3 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. Zend-framework.developpez.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zend Framework 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 13 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

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

[role] values are not valid

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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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

High

Links are not crawlable

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

ISO-8859-1

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

zend-framework.developpez.com

Open Graph description is not detected on the main page of Zend Framework 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Zend Framework : actualités, tutoriels, codes sources, livres, outils et forums d'entraide de la plus efficace communauté de développement du 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

zend-framework.developpez.com

zend-framework.developpez.com

js

jquery-3.4.1.js

popper.js

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

zend-framework.developpez.com

zend-framework.developpez.com

js

jquery-3.4.1.js

popper.js

bootstrap.bundle.min.js

bootstrap.js

bootstrap.css

bootstrap-social.css

all.min.css

fontawesome.min.css

gpt.js

adsbygoogle.js

gabarit.css

gabarit.js

index2.css

index.css

colonne-droite.js

log.js

log.css

pubads_impl.js

programmation.png

compter-56

compter-56

0

sondage2.gif

php.gif

discussions.gif

sondage1.gif

sondages.png

dvp.gif

php7.png

joomla.gif

zend-framework.gif

securite.gif

joomla-2.gif

article.gif

cours.gif

article.png

faq.png

livres.png

cours.png

logo-dvp-h55.png