2.7 sec in total
188 ms
2.1 sec
391 ms
Visit booking.co.uk now to see the best up-to-date Booking content and also check out these interesting facts you probably never knew about booking.co.uk
Explore the world with Booking.com. Big savings on homes, hotels, flights, car rentals, taxis, and attractions – build your perfect trip on any budget.
Visit booking.co.ukWe analyzed Booking.co.uk page load time and found that the first response time was 188 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
booking.co.uk performance score
name
value
score
weighting
Value4.2 s
19/100
10%
Value9.2 s
1/100
25%
Value8.9 s
15/100
10%
Value4,120 ms
1/100
30%
Value0.017
100/100
15%
Value25.2 s
0/100
10%
188 ms
1073 ms
18 ms
20 ms
25 ms
Our browser made a total of 91 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Booking.co.uk, 90% (82 requests) were made to Cf.bstatic.com and 4% (4 requests) were made to Q-xx.bstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Booking.com.
Page size can be reduced by 683.7 kB (19%)
3.6 MB
3.0 MB
In fact, the total size of Booking.co.uk main page is 3.6 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 2.0 MB which makes up the majority of the site volume.
Potential reduce by 409.0 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 409.0 kB or 72% of the original size.
Potential reduce by 16.7 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. Booking images are well optimized though.
Potential reduce by 255.2 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 255.2 kB or 13% of the original size.
Potential reduce by 2.9 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. Booking.co.uk has all CSS files already compressed.
Number of requests can be reduced by 64 (72%)
89
25
The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Booking. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.
booking.co.uk
188 ms
index.en-gb.html
1073 ms
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booking.co.uk accessibility score
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
[aria-*] attributes do not have valid values
booking.co.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
booking.co.uk SEO score
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Booking.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Booking.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.
booking.co.uk
Open Graph data is detected on the main page of Booking. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: