Tools & Wizards About Us
booking.be screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

booking.be

Expedia Travel: Vacation Homes, Hotels, Car Rentals, Flights & More

Page Load Speed

2.8 sec in total

First Response

330 ms

Resources Loaded

2.2 sec

Page Rendered

239 ms

booking.be screenshot

About Website

Visit booking.be now to see the best up-to-date Booking content for Belgium and also check out these interesting facts you probably never knew about booking.be

Your one-stop travel site for your dream vacation. Bundle your stay with a car rental or flight and you can save more. Search our flexible options to match your needs.

Visit booking.be

Key Findings

We analyzed Booking.be page load time and found that the first response time was 330 ms and then it took 2.5 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

booking.be performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

20/100

10%

LCP (Largest Contentful Paint)

Value24.3 s

0/100

25%

SI (Speed Index)

Value14.6 s

1/100

10%

TBT (Total Blocking Time)

Value4,480 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value30.3 s

0/100

10%

Network Requests Diagram

booking.be

330 ms

index.html

1507 ms

cookie-banner.min.js

13 ms

2454015045ef79168d452ff4e7f30bdadff0aa81.js

15 ms

59a2fade3d36f2f4f9ecd750c27be976b0ac7dee.css

23 ms

Our browser made a total of 121 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Booking.be, 95% (115 requests) were made to Cf.bstatic.com and 2% (2 requests) were made to T-cf.bstatic.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Booking.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (21%)

Content Size

4.8 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Booking.be main page is 4.8 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 a small number of websites need less resources to load. Javascripts take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 393.0 kB

  • Original 562.6 kB
  • After minification 562.1 kB
  • After compression 169.6 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 393.0 kB or 70% of the original size.

Image Optimization

-2%

Potential reduce by 14.7 kB

  • Original 742.9 kB
  • After minification 728.2 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. Booking images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 600.2 kB

  • Original 3.2 MB
  • After minification 3.2 MB
  • After compression 2.6 MB

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 600.2 kB or 19% of the original size.

CSS Optimization

-2%

Potential reduce by 6.5 kB

  • Original 314.6 kB
  • After minification 313.7 kB
  • After compression 308.1 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. Booking.be has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 97 (82%)

Requests Now

118

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 118 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 62 to 1 for JavaScripts and from 37 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

booking.be

booking.be

330 ms

index.html

index.html

1507 ms

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Accessibility Review

booking.be accessibility score

88

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-*] attributes do not have valid values

High

ARIA IDs are not unique

Best Practices

booking.be best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

booking.be SEO score

91

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Booking.be 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.be 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

booking.be

Open Graph description is not detected on the main page of Booking. 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: