Tools & Wizards About Us

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

britishairways.co.uk

British Airways | Book Flights, Holidays, City Breaks & Check In Online

Page Load Speed

627 ms in total

First Response

261 ms

Resources Loaded

307 ms

Page Rendered

59 ms

About Website

Welcome to britishairways.co.uk homepage info - get ready to check British Airways best content right away, or after learning these important things about britishairways.co.uk

Save on worldwide flights and holidays when you book directly with British Airways. Browse our guides, find great deals, manage your booking and check in online.

Visit britishairways.co.uk

Key Findings

We analyzed Britishairways.co.uk page load time and found that the first response time was 261 ms and then it took 366 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

britishairways.co.uk performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value1,980 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.136

80/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

britishairways.co.uk

261 ms

www.britishairways.com

25 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that 50% of them (1 request) were addressed to the original Britishairways.co.uk, 50% (1 request) were made to Britishairways.com. The less responsive or slowest element that took the longest time to load (261 ms) belongs to the original domain Britishairways.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (64%)

Content Size

1.6 MB

After Optimization

574.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Britishairways.co.uk main page is 1.6 MB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-48%

Potential reduce by 4.3 kB

  • Original 9.0 kB
  • After minification 8.8 kB
  • After compression 4.7 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 4.3 kB or 48% of the original size.

Image Optimization

-13%

Potential reduce by 18.1 kB

  • Original 135.3 kB
  • After minification 117.2 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. Obviously, British Airways needs image optimization as it can save up to 18.1 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 985.7 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 384.4 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 985.7 kB or 72% of the original size.

CSS Optimization

-0%

Potential reduce by 92 B

  • Original 68.4 kB
  • After minification 68.4 kB
  • After compression 68.3 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. Britishairways.co.uk has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

Accessibility Review

britishairways.co.uk accessibility score

93

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 IDs are not unique

Best Practices

britishairways.co.uk best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

britishairways.co.uk SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Britishairways.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English 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 Britishairways.co.uk 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 British Airways. 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: