Report Summary

  • 59

    Performance

    Renders faster than
    74% 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

mac.developpez.com

Club des développeurs Mac : Actualités, Cours et tutoriels Mac OS X, Cocoa, Critiques de livre, FAQ...

Page Load Speed

4.2 sec in total

First Response

360 ms

Resources Loaded

3.1 sec

Page Rendered

794 ms

mac.developpez.com screenshot

About Website

Welcome to mac.developpez.com homepage info - get ready to check Mac De Veloppez best content for France right away, or after learning these important things about mac.developpez.com

Club des développeurs : Forum, Cours et tutoriels en programmation : Apple, Mac OS X, Cocoa, Objective-C, Automator, AppleScript

Visit mac.developpez.com

Key Findings

We analyzed Mac.developpez.com page load time and found that the first response time was 360 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

mac.developpez.com performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

mac.developpez.com

360 ms

mac.developpez.com

894 ms

js

63 ms

jquery-3.4.1.js

236 ms

popper.js

319 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 32% of them (29 requests) were addressed to the original Mac.developpez.com, 44% (40 requests) were made to Developpez.com and 4% (4 requests) were made to Ads.themoneytizer.com. The less responsive or slowest element that took the longest time to load (910 ms) relates to the external source Developpez.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 146.3 kB (25%)

Content Size

593.1 kB

After Optimization

446.8 kB

In fact, the total size of Mac.developpez.com main page is 593.1 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. 60% of websites need less resources to load. Javascripts take 223.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 107.3 kB

  • Original 133.1 kB
  • After minification 126.3 kB
  • After compression 25.8 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

-9%

Potential reduce by 15.4 kB

  • Original 170.3 kB
  • After minification 154.9 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. Mac De Veloppez images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 18.9 kB

  • Original 223.6 kB
  • After minification 223.6 kB
  • After compression 204.7 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. Mac.developpez.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 31 (37%)

Requests Now

84

After Optimization

53

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mac 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.

Accessibility Review

mac.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

mac.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

mac.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 Mac.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 Mac.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

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