Report Summary

  • 2

    Performance

    Renders faster than
    19% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

seat24.de

Günstige Flugreisen bei Seat24 - Wählen Sie online zwischen 650 Fluggesellschaften

Page Load Speed

5 sec in total

First Response

2.1 sec

Resources Loaded

2.8 sec

Page Rendered

51 ms

About Website

Visit seat24.de now to see the best up-to-date Seat24 content for Germany and also check out these interesting facts you probably never knew about seat24.de

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Visit seat24.de

Key Findings

We analyzed Seat24.de page load time and found that the first response time was 2.1 sec and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

seat24.de performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value17.1 s

0/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value2,680 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value1.228

1/100

15%

TTI (Time to Interactive)

Value17.0 s

4/100

10%

Network Requests Diagram

www.seat24.de

2131 ms

512.f18f6e6d2fe7a7a933c2.css

241 ms

OtAutoBlock.js

52 ms

otSDKStub.js

71 ms

index.js

89 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 64% of them (9 requests) were addressed to the original Seat24.de, 21% (3 requests) were made to Cdn.cookielaw.org and 7% (1 request) were made to Prod.accdab.net. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Seat24.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (65%)

Content Size

2.5 MB

After Optimization

874.4 kB

In fact, the total size of Seat24.de main page is 2.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 5% of websites need less resources to load. Javascripts take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 219.1 kB

  • Original 299.1 kB
  • After minification 298.2 kB
  • After compression 79.9 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 219.1 kB or 73% of the original size.

JavaScript Optimization

-64%

Potential reduce by 1.4 MB

  • Original 2.2 MB
  • After minification 2.2 MB
  • After compression 788.8 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 1.4 MB or 64% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 5.7 kB
  • After minification 5.7 kB
  • After compression 5.7 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. Seat24.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (82%)

Requests Now

11

After Optimization

2

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seat24. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

seat24.de accessibility score

82

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-hidden="true"] elements contain focusable descendents

High

[role]s are not contained by their required parent element

High

[aria-*] attributes do not have valid values

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

<object> elements do not have alternate text

Best Practices

seat24.de best practices score

75

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

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

seat24.de SEO score

93

Search Engine Optimization Advices

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

Content Best Practices

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

Impact

Issue

High

Document uses plugins

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 Seat24.de 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 Seat24.de 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 Seat24. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: