Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

bboking.com

Booking.com | Official site | The best hotels, flights, car rentals & accommodations

Page Load Speed

4 sec in total

First Response

767 ms

Resources Loaded

2.7 sec

Page Rendered

546 ms

bboking.com screenshot

About Website

Welcome to bboking.com homepage info - get ready to check Bboking best content right away, or after learning these important things about bboking.com

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 bboking.com

Key Findings

We analyzed Bboking.com page load time and found that the first response time was 767 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

bboking.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value3,730 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value17.0 s

4/100

10%

Network Requests Diagram

index.en-gb.html

767 ms

4b7821f47e0650ad75681e03d78b187c9a305fa6.css

160 ms

cb6d5e0e7c37494d47b0a23b63a892f3cec72988.css

86 ms

90f8887eca7b6daee14388bccd35a7b46b15c062.css

109 ms

6fc58a2292767f782e8dba41f6815898b04389d7.css

66 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Bboking.com, 22% (25 requests) were made to Q-ec.bstatic.com and 19% (22 requests) were made to Tags.tiqcdn.com. The less responsive or slowest element that took the longest time to load (767 ms) relates to the external source Booking.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.3 MB (70%)

Content Size

3.3 MB

After Optimization

974.4 kB

In fact, the total size of Bboking.com main page is 3.3 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. 65% of websites need less resources to load. Javascripts take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 382.3 kB

  • Original 475.9 kB
  • After minification 475.1 kB
  • After compression 93.6 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 382.3 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 2.6 kB

  • Original 257.3 kB
  • After minification 254.7 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. Bboking images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 1.2 MB

  • Original 1.6 MB
  • After minification 1.6 MB
  • After compression 444.6 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 1.2 MB or 72% of the original size.

CSS Optimization

-81%

Potential reduce by 771.6 kB

  • Original 953.0 kB
  • After minification 953.0 kB
  • After compression 181.4 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. Bboking.com needs all CSS files to be minified and compressed as it can save up to 771.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 66 (64%)

Requests Now

103

After Optimization

37

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bboking. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bboking.com 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

bboking.com 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

Page has valid source maps

SEO Factors

bboking.com SEO score

84

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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

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