BOOKING.COM Booking.com | Official site | The best hotels & accommodations

booking.com Website Information

Daily Unique Visits: 17,122,093

Daily Page Views: 136,976,744

Income Per Day: $136,977

Estimated Value: $147,935,160

This website is located in United Kingdom and is using following IP address 5.57.16.220. See the complete list of popular websites hosted in United Kingdom.

booking.com is registered under .COM top-level domain. Please check other sites in .COM zone.

Website booking.com is using the following name servers:

  • ns3.bkngs.com
  • ns1.bkngs.com
  • ns0.bkngs.com
  • ns2.bkngs.com

and is probably hosted by Booking.com BV. See the full list of other websites hosted by Booking.com BV.

The highest website booking.com position in Alexa rank database was 50 and the lowest rank position was 307. Current position of booking.com in Alexa rank database is 89.

Desktop speed score of booking.com (72/100) is better than the results of 54.39% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of booking.com (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.

Mobile speed score of booking.com (46/100) is better than the results of 27.13% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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booking.com Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.


booking.com whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.


Domain Name: BOOKING.COM
Registry Domain ID: 4913307_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.markmonitor.com
Registrar URL: http://www.markmonitor.com
Updated Date: 2021-03-15T09:06:22Z
Creation Date: 1998-04-17T04:00:00Z
Registry Expiry Date: 2023-04-16T04:00:00Z
Registrar: MarkMonitor Inc.
Registrar IANA ID: 292
Registrar Abuse Contact Email: abusecomplaints@markmonitor.com
Registrar Abuse Contact Phone: +1.2083895740
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Domain Status: serverDeleteProhibited https://icann.org/epp#serverDeleteProhibited
Domain Status: serverTransferProhibited https://icann.org/epp#serverTransferProhibited
Domain Status: serverUpdateProhibited https://icann.org/epp#serverUpdateProhibited
Name Server: NS0.BKNGS.COM
Name Server: NS1.BKNGS.COM
Name Server: NS2.BKNGS.COM
Name Server: NS3.BKNGS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-08-12T15:49:20Z

booking.com server information

Servers Location

booking.com desktop page speed rank

Last tested: 2019-12-02


Desktop Speed Medium
72/100

booking.com Desktop Speed Test Quick Summary


priority - 12Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 6 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

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https://q-cf.bstatic.com/static/css/index_cloudfro…b2da38c7e119c3c383.css

priority - 9Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://booking.com/
https://booking.com/
https://www.booking.com/

priority - 5Reduce server response time

In our test, your server responded in 0.70 seconds.

priority - 5Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://accommodations.booking.com/v1/fe/ping (expiration not specified)
https://cexp.booking.com/api/targets (expiration not specified)
https://collector-587.tvsquared.com/piwik/tv2track.js (expiration not specified)
https://www.booking.com/get_handpicked_bh_properties (expiration not specified)
https://tags.tiqcdn.com/utag/booking.com/main/prod/utag.js (5 minutes)
https://tags.tiqcdn.com/utag/tiqapp/utag.v.js?a=bo…60929&cb=1575258751870 (10 minutes)
https://www.googletagmanager.com/gtag/js?id=DC-4228414 (15 minutes)
https://bat.bing.com/bat.js (30 minutes)
https://www.googleadservices.com/pagead/conversion.js (60 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)

priority - 5Optimize images

Properly formatting and compressing images can save many bytes of data.

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priority - 2Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

71.3KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. Prioritize the above-the-fold content so that it can be rendered with only the first 2 round-trips' worth of HTML.

Only about 1% of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.
Click to see the screenshot with 2 round trips:

priority - 1Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 8.9KiB (74% reduction).

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priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 103B (13% reduction).

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booking.com Desktop Resource Breakdown

Total Resources127
Number of Hosts23
Static Resources83
JavaScript Resources53
CSS Resources8

booking.com mobile page speed rank

Last tested: 2019-12-02


Mobile Speed Bad
46/100

booking.com Mobile Speed Test Quick Summary


priority - 56Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 5 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://q-cf.bstatic.com/static/js/error_catcher_b…4248a22ea6623cc9179.js
https://q-cf.bstatic.com/mobile/js/core-deps-inlin…d9122e6608a16c5bb37.js
https://q-cf.bstatic.com/mobile/js/core_cloudfront…0120285c5be9181268b.js
https://q-cf.bstatic.com/mobile/js/app_cloudfront/…5d73c714e3279306906.js
https://r-cf.bstatic.com/mobile/js/lp_cloudfront/2…ab1e7d5db896e758b21.js

Optimize CSS Delivery of the following:

https://r-cf.bstatic.com/mobile/css/iq_m_type_over…3aaa5ea7bfead4498a.css
https://r-cf.bstatic.com/mobile/css/app_cloudfront…8dce61efbf363412c6.css
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priority - 34Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://booking.com/
https://booking.com/
https://www.booking.com/

priority - 16Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.

Only about 14% of the final above-the-fold content could be rendered with the full HTML response.
Click to see the screenshot with only the HTML response:

priority - 9Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://accommodations.booking.com/v1/fe/ping (expiration not specified)
https://collector-587.tvsquared.com/piwik/tv2track.js (expiration not specified)
https://tags.tiqcdn.com/utag/booking.com/main/prod/utag.js (5 minutes)
https://www.google.com/recaptcha/api.js?render=6Lf…llback&_=1575261578263 (5 minutes)
https://www.google.com/recaptcha/api2/webworker.js…nbHAdFrusJCwoMVGTXoHoM (5 minutes)
https://tags.tiqcdn.com/utag/tiqapp/utag.v.js?a=bo…60929&cb=1575261578331 (10 minutes)
https://www.googletagmanager.com/gtag/js?id=DC-4228414 (15 minutes)
https://bat.bing.com/bat.js (30 minutes)
https://www.google-analytics.com/plugins/ua/ec.js (60 minutes)
https://www.googleadservices.com/pagead/conversion.js (60 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 8Reduce server response time

In our test, your server responded in 0.70 seconds.

priority - 7Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 65.8KiB (26% reduction).

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priority - 1Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 8.2KiB (89% reduction).

Compressing https://r-cf.bstatic.com/static/img/deals/index_m_…deb8df64f8635f0447.svg could save 8.2KiB (89% reduction).

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 103B (13% reduction).

Minifying https://4228414.fls.doubleclick.net/activityi;src=…4b67eb971c22c49e6c5f1? could save 103B (13% reduction) after compression.

booking.com Mobile Resource Breakdown

Total Resources122
Number of Hosts30
Static Resources69
JavaScript Resources53
CSS Resources7

booking.com mobile page usability

Last tested: 2019-12-02


Mobile Usability Good
99/100

booking.com Mobile Usability Test Quick Summary


priority - 0Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <div id="input_destination_wrap">Clear</div> and 2 others are close to other tap targets.

The tap target <a href="https://www.bo…_site_type=www" class="u-display:inli…te u-padding:5">Desktop version</a> and 4 others are close to other tap targets.

booking.com HTML validation

Errors

Stray start tag “html”.

Line: 11 Column: 1 - 193
"...ssorigin> <html lang="en-gb" prefix="og: http://ogp.me/ns# fb: http://ogp.me/ns/fb# booking_com: http://ogp.me/ns/fb/booking_com#" class="noJS b_Unparsed b_Unparsed supports_fontface supports_hyphens " > <head..."

Cannot recover after last error. Any further errors will be ignored.

Line: 11 Column: 1 - 193
"...ssorigin> <html lang="en-gb" prefix="og: http://ogp.me/ns# fb: http://ogp.me/ns/fb# booking_com: http://ogp.me/ns/fb/booking_com#" class="noJS b_Unparsed b_Unparsed supports_fontface supports_hyphens " > <head..."

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booking.com Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.


booking.com TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.