Access billetavion.info. Billet Avion . Info, comparateur de billet d'avion. Vols pas cher

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value1,020 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value1.184

1/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

billetavion.info

343 ms

bav2011.css

151 ms

SpryAccordion.js

156 ms

validation.js

360 ms

select.js

238 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 38% of them (31 requests) were addressed to the original Billetavion.info, 17% (14 requests) were made to Maps.google.com and 9% (7 requests) were made to Maps.gstatic.com. The less responsive or slowest element that took the longest time to load (494 ms) relates to the external source Illicotravel.com.

Content Size

989.0 kB

After Optimization

511.8 kB

In fact, the total size of Billetavion.info main page is 989.0 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. 65% of websites need less resources to load. Javascripts take 635.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 25.0 kB

Original 32.1 kB
After minification 26.9 kB
After compression 7.1 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 5.2 kB, which is 16% 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 25.0 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 7.8 kB

Original 302.2 kB
After minification 294.4 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. Billet Avion images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 428.0 kB

Original 635.2 kB
After minification 606.8 kB
After compression 207.3 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 428.0 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 16.5 kB

Original 19.5 kB
After minification 13.9 kB
After compression 3.1 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. Billetavion.info needs all CSS files to be minified and compressed as it can save up to 16.5 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Billet Avion. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts 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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

robots.txt is not valid

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

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

FR
Language Claimed

N/A
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Billetavion.info can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Billetavion.info 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

billetavion.info

Open Graph description is not detected on the main page of Billet Avion. 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

Billet Avion . Info, comparateur de billet d'avion. Vols pas cher

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

billetavion.info

bav2011.css

SpryAccordion.js

validation.js

select.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

billetavion.info

bav2011.css

SpryAccordion.js

validation.js

select.js

brand

brand

simpleform.js

show_ads.js

ga.js

b_toplogo.jpg

b_menutop.jpg

button_home2.png

fleche-bas.gif

top_bg.jpg

fb.png

tw.png

297.jpg

f_grey.png

f_green.png

27.png

f_orange.png

1-2.jpg

f_red.png

f_greenpal.png

button_go.png

google_custom_search_watermark.gif

__utm.gif

b_fly.jpg

b_smenu.jpg

calendrier.gif

button_rech.png

erreur.php

simpleform.css

ca-pub-2340136188504100.js

zrt_lookup.html

show_ads_impl.js

pays_maptown.php

b_letter.jpg

b_arobase.png

button_val.png

b_bottom_home.jpg

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