Access postgresql.developpez.com. Club des développeurs PostgreSQL : actualités, cours, tutoriels, programmation, FAQ, codes sources, ...

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value7.2 s

50/100

10%

postgresql.developpez.com

237 ms

postgresql.developpez.com

720 ms

js

60 ms

jquery-3.4.1.js

154 ms

popper.js

236 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 43% of them (31 requests) were addressed to the original Postgresql.developpez.com, 40% (29 requests) were made to Developpez.com and 4% (3 requests) were made to Developpez.net. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Compt.developpez.com.

Content Size

893.9 kB

After Optimization

652.9 kB

In fact, the total size of Postgresql.developpez.com main page is 893.9 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. 45% of websites need less resources to load. Images take 420.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 86.2 kB

Original 106.3 kB
After minification 100.8 kB
After compression 20.2 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 86.2 kB or 81% of the original size.

Image Optimization

-13%

Potential reduce by 55.8 kB

Original 420.5 kB
After minification 364.7 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, PostgreSQL Developpez needs image optimization as it can save up to 55.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-31%

Potential reduce by 93.6 kB

Original 297.3 kB
After minification 297.3 kB
After compression 203.6 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 93.6 kB or 31% of the original size.

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. Postgresql.developpez.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PostgreSQL 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.

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

N/A
Language Claimed

FR
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Postgresql.developpez.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is French. Our system also found out that Postgresql.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

postgresql.developpez.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Club des développeurs PostgreSQL : actualités, cours, tutoriels, programmation, FAQ, codes sources, livres, outils et forums

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

postgresql.developpez.com

postgresql.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

postgresql.developpez.com

postgresql.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

compter-33

compter-33

0

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