Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

airtransat.ch

Air Transat Flüge von Europa, Flugtickets nach Kanada | Air Transat

Page Load Speed

1.6 sec in total

First Response

478 ms

Resources Loaded

976 ms

Page Rendered

179 ms

airtransat.ch screenshot

About Website

Welcome to airtransat.ch homepage info - get ready to check Air Transat best content right away, or after learning these important things about airtransat.ch

Buchen Sie einen Flug nach Kanada. Die günstigsten Preise von Europa aus finden Sie auf der offiziellen Air Transat Webseite.

Visit airtransat.ch

Key Findings

We analyzed Airtransat.ch page load time and found that the first response time was 478 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

airtransat.ch performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value1,400 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

air-transat-deutschland

478 ms

otSDKStub.js

32 ms

airtransat-main.prod.css

27 ms

WebResource.axd

10 ms

ScriptResource.axd

15 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Airtransat.ch, 20% (8 requests) were made to Airtransat.com and 17% (7 requests) were made to Airtransatcommedia.blob.core.windows.net. The less responsive or slowest element that took the longest time to load (478 ms) relates to the external source Airtransat.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 212.6 kB (25%)

Content Size

844.2 kB

After Optimization

631.6 kB

In fact, the total size of Airtransat.ch main page is 844.2 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. 30% of websites need less resources to load. Javascripts take 288.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 199.5 kB

  • Original 262.9 kB
  • After minification 206.8 kB
  • After compression 63.4 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 56.0 kB, which is 21% 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 199.5 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 692 B

  • Original 212.7 kB
  • After minification 212.1 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 Transat images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.7 kB

  • Original 288.0 kB
  • After minification 288.0 kB
  • After compression 285.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-12%

Potential reduce by 9.8 kB

  • Original 80.6 kB
  • After minification 80.6 kB
  • After compression 70.8 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. Airtransat.ch needs all CSS files to be minified and compressed as it can save up to 9.8 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (55%)

Requests Now

33

After Optimization

15

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Air Transat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

airtransat.ch accessibility score

100

Accessibility Issues

Best Practices

airtransat.ch best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

airtransat.ch SEO score

93

Search Engine Optimization Advices

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Airtransat.ch can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Airtransat.ch 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 data is detected on the main page of Air Transat. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: