Report Summary

  • 33

    Performance

    Renders faster than
    54% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

air-defense.net

Air-Defense.net - Dédié à la défense et l'aéronautique

Page Load Speed

2.6 sec in total

First Response

631 ms

Resources Loaded

1.7 sec

Page Rendered

247 ms

air-defense.net screenshot

About Website

Click here to check amazing Air Defense content for France. Otherwise, check out these important facts you probably never knew about air-defense.net

Bienvenue sur le site de la communauté Air-Defense.net dédié à la défense et l'aéronautique. Le site s'articule entre un forum ou vous pouvez participer aux discussions entre les membres et le journal...

Visit air-defense.net

Key Findings

We analyzed Air-defense.net page load time and found that the first response time was 631 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

air-defense.net performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value1,420 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.399

25/100

15%

TTI (Time to Interactive)

Value7.9 s

44/100

10%

Network Requests Diagram

air-defense.net

631 ms

f827e08.css

166 ms

css

24 ms

6a0b2cb.js

416 ms

c2b15f9.js

163 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 29% of them (11 requests) were addressed to the original Air-defense.net, 13% (5 requests) were made to Pagead2.googlesyndication.com and 13% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (631 ms) belongs to the original domain Air-defense.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 517.4 kB (54%)

Content Size

966.7 kB

After Optimization

449.3 kB

In fact, the total size of Air-defense.net main page is 966.7 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. 50% of websites need less resources to load. Javascripts take 437.7 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 44.8 kB

  • Original 52.9 kB
  • After minification 38.0 kB
  • After compression 8.2 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. This page needs HTML code to be minified as it can gain 15.0 kB, which is 28% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 44.8 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 2.1 kB

  • Original 330.2 kB
  • After minification 328.1 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. Air Defense images are well optimized though.

JavaScript Optimization

-80%

Potential reduce by 349.0 kB

  • Original 437.7 kB
  • After minification 266.8 kB
  • After compression 88.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 349.0 kB or 80% of the original size.

CSS Optimization

-83%

Potential reduce by 121.6 kB

  • Original 145.9 kB
  • After minification 141.1 kB
  • After compression 24.2 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. Air-defense.net needs all CSS files to be minified and compressed as it can save up to 121.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (37%)

Requests Now

30

After Optimization

19

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Air Defense. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

air-defense.net accessibility score

72

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

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

air-defense.net best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

air-defense.net SEO score

91

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

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Air-defense.net 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 Air-defense.net main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Air Defense. 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: