🌐
kayak.co.uk 200
🔒 SSL Valid
✨ About this site
This website is an online travel search engine for flights, hotels, and car rentals.
📊 What the data says
This site runs on the KAYAK/1.0 server with a tech stack including React, Bootstrap, and Varnish. It features valid SSL until late 2026 and active security headers, though mobile performance is measured at a score of 26.
HTTP Status A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 33d
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 263d
Hosting The company and location where this website's server is physically located.Read more →
Unknown
Security Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
2/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
151.101.193.29
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
26
mob
Uptime
100%
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability. 26
▼
Mobile
Score
Accessibility
Best Practices
SEO
LCP
16.42s
CLS
0.000
FCP
12.60s
TTFB
0.09s
TBT
2,933ms
SI
13.74s
Checked: 2026-09-05 05:57:28.938918 · View on PageSpeed
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 5
▼
📊 Analytics
Google Analytics
Google Tag Manager
🎨 CSS Framework
Bootstrap
⚡ Cache
Varnish
⚡ JS Framework
React
Shared Identifiers 56
▼
Tracking / monetisation identifiers found on this site that also appear on other domains.
Google AdSense
pub-1894893914772263
18 other domains share this identifier
Google AdSense
pub-2883577255473147
18 other domains share this identifier
Google AdSense
pub-4183327129361780
18 other domains share this identifier
Google AdSense
pub-4207323757133151
22 other domains share this identifier
Google AdSense
pub-5231479214411897
26 other domains share this identifier
momondo.it
sciencemag.org
ack.net
kayak.com.au
kayak.de
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kayak.fr
kayak.it
kayak.nl
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mercadolibre.com.ar
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momondo.ca
momondo.co.uk
momondo.com
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momondo.de
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myspace.com
science.org
sofascore.app
sofascore.com
Google AdSense
pub-6330253277955332
18 other domains share this identifier
Google AdSense
pub-7917131156665881
18 other domains share this identifier
Google AdSense
pub-8655001720710332
18 other domains share this identifier
ads.txt seller
AppNexus:10239
ads.txt seller
AppNexus:1356
ads.txt seller
AppNexus:1908
ads.txt seller
AppNexus:3153
48 other domains share this identifier
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aol.com
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kayak.com.au
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mail.co.uk
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mediafire.com
mercadolibre.com.ar
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mobiledokan.com
momondo.ca
momondo.co.uk
momondo.com
momondo.com.au
momondo.de
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ads.txt seller
AppNexus:3703
ads.txt seller
AppNexus:7158
18 other domains share this identifier
ads.txt seller
AppNexus:7666
20 other domains share this identifier
ads.txt seller
AppNexus:9057
18 other domains share this identifier
ads.txt seller
AppNexus:9847
20 other domains share this identifier
ads.txt seller
Google:pub-1894893914772263
18 other domains share this identifier
ads.txt seller
Google:pub-2883577255473147
18 other domains share this identifier
ads.txt seller
Google:pub-4183327129361780
18 other domains share this identifier
ads.txt seller
Google:pub-4207323757133151
22 other domains share this identifier
ads.txt seller
Google:pub-5231479214411897
26 other domains share this identifier
momondo.it
sciencemag.org
ack.net
kayak.com.au
kayak.de
kayak.es
kayak.fr
kayak.it
kayak.nl
kayak.se
mercadolibre.com.ar
mercadolibre.com.mx
momondo.ca
momondo.co.uk
momondo.com
momondo.com.au
momondo.de
momondo.es
momondo.fi
momondo.fr
momondo.nl
momondo.se
myspace.com
science.org
sofascore.app
sofascore.com
ads.txt seller
Google:pub-6330253277955332
18 other domains share this identifier
ads.txt seller
Google:pub-7917131156665881
18 other domains share this identifier
ads.txt seller
Google:pub-8655001720710332
18 other domains share this identifier
ads.txt seller
Index Exchange:179005
18 other domains share this identifier
ads.txt seller
Index Exchange:184538
18 other domains share this identifier
ads.txt seller
Index Exchange:184998
18 other domains share this identifier
ads.txt seller
Index Exchange:187790
18 other domains share this identifier
ads.txt seller
Index Exchange:189077
18 other domains share this identifier
ads.txt seller
Index Exchange:189372
19 other domains share this identifier
ads.txt seller
Index Exchange:189744
20 other domains share this identifier
ads.txt seller
Index Exchange:192393
19 other domains share this identifier
ads.txt seller
Media.net:8CUGB0P3C
18 other domains share this identifier
ads.txt seller
Media.net:8CUXI6MB2
18 other domains share this identifier
ads.txt seller
OpenX:537100188
ads.txt seller
OpenX:537153209
26 other domains share this identifier
ads.txt seller
OpenX:539318353
18 other domains share this identifier
ads.txt seller
OpenX:540191398
ads.txt seller
OpenX:540857594
18 other domains share this identifier
ads.txt seller
PubMatic:157150
ads.txt seller
PubMatic:158984
20 other domains share this identifier
ads.txt seller
PubMatic:159621
18 other domains share this identifier
ads.txt seller
Rubicon:10888
18 other domains share this identifier
ads.txt seller
Rubicon:156042
20 other domains share this identifier
ads.txt seller
Rubicon:16114
ads.txt seller
Rubicon:16414
ads.txt seller
Rubicon:17544
18 other domains share this identifier
ads.txt seller
Rubicon:18020
ads.txt seller
Rubicon:18944
18 other domains share this identifier
ads.txt seller
Rubicon:20416
23 other domains share this identifier
ads.txt seller
Rubicon:21642
36 other domains share this identifier
aol.co.uk
mangarw.com
momondo.it
parklogic.info
33across.com
aol.com
aternos.org
elmundo.es
kayak.com.au
kayak.de
kayak.es
kayak.fr
kayak.it
kayak.nl
kayak.se
kotaku.com
marca.com
momondo.ca
momondo.co.uk
momondo.com
momondo.com.au
momondo.de
momondo.es
momondo.fi
momondo.fr
momondo.nl
momondo.se
ojogodobicho.com
parklogic.biz
parklogic.co.uk
parklogic.com
parklogic.org
sagepub.com
sport.fr
tinyurl.co.uk
zedge.net
ads.txt seller
Smart:2995
20 other domains share this identifier
ads.txt seller
Sovrn:258320
18 other domains share this identifier
ads.txt seller
Sovrn:270524
18 other domains share this identifier
Google Tag Manager
GTM-PSCCSHQ
18 other domains share this identifier
Screenshot
2026-09-02
▼
Captured: 2026-09-02 14:19:35 · 4.4 KB
DNS Records DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
▼
| A (IPv4) | 151.101.1.29151.101.193.29151.101.65.29151.101.129.29 |
| AAAA (IPv6) | 2a04:4e42:200::2852a04:4e42::2852a04:4e42:400::2852a04:4e42:600::285 |
| NS | blue.foundationdns.comblue.foundationdns.netblue.foundationdns.org |
| MX | 10 aspmx5.googlemail.com5 alt1.aspmx.l.google.com5 alt2.aspmx.l.google.com0 aspmx.l.google.com10 aspmx2.googlemail.com10 aspmx3.googlemail.com10 aspmx4.googlemail.com |
| TXT (2) |
Services configured via TXT:
GlobalSign
Show all TXT recordsv=spf1 include:spf.kayak.com ~all globalsign-domain-verification=Wq9iztGUzQcBBi1OLrEOlXtefwOzX7yfvhbsw-CVdo |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
▼
| Registrar | Markmonitor Inc. |
| Registered | 1997-07-15 |
| Expires | 2027-07-15 (in 263 days) |
| Last Updated | 2026-05-06 |
| Status | active |
SSL Certificate Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
▼
| Subject (CN) | kayak.co.uk |
| Issuer | Let's Encrypt |
| Valid From | 2026-08-29 |
| Valid Until | 2026-11-27 (33 days left) |
| SANs (1) | kayak.co.uk |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
▼
| Status | 200 |
| Server | KAYAK/1.0 |
| Content-Type | text/html;charset=UTF-8 |
| Final URL | https://www.kayak.co.uk/ |
| strict-transport-security | max-age=10886400; preload |
| content-security-policy | upgrade-insecure-requests; frame-ancestors 'self'; object-src 'none'; base-uri 'self' *.cloudfront.net |
| x-content-type-options | nosniff |
| referrer-policy | origin-when-cross-origin |
| cache-control | private, no-store |
| x-cache | MISS, MISS |
| via | 1.1 varnish |
Security headers HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
Hosting Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
▼
| IP Address | 151.101.193.29 |
| Provider | Unknown |
| Organization | N/A |
| ASN | N/A |
| Location | N/A |
Security Score
B (5/7)
▼
Sitemap & Robots
▼
Partially restricted
Some areas are hidden from crawlers, but the main content stays open to search engines.
🤖
AI crawlers restricted
— ChatGPT-User
Areas hidden from crawlers:
Entire site
1
Search & filters
2
API & endpoints
2
Other paths
30
Show raw disallow rules (35)
/things-to-do/*
/charm/horizon/cars/citycars/CityCarsAgencyMapViewLink
/charm/horizon/cars/airportcars/AirportCarsResults
/charm/horizon/common/search/PreloadAction
/s/horizon/common/layout/AjaxFooterLinks
/charm/horizon/common/layout/AjaxFooterLinks
/s/horizon/common/privacy/AjaxHeaderCookiesMessage
/charm/horizon/common/privacy/AjaxHeaderCookiesMessage
/s/horizon/common/privacy/AjaxStyleJamHeaderCookiesMessage
/s/horizon/common/layout/StyleJamNavMenu
/charm/horizon/common/privacy/AjaxStyleJamHeaderCookiesMessage
/charm/horizon/flights/flightdeals/frontdoor/FlightDealsLinks
/charm/horizon/common/compareto/slide/SlideCompareToAction
/charm/horizon/common/layout/MoreNavContentApiAction
/charm/horizon/common/layout/NavMenuContent
/charm/horizon/flights/flightroutes/AjaxGoodToKnow
/charm/horizon/flights/cabinclassflightroutes/AjaxCabinClassFlightRoutesGoodToKnow
/charm/horizon/flights/flightroutes/AjaxWhenToBookCharts
/charm/horizon/flights/flightroutes/AjaxFlightRouteInfoTable
/charm/horizon/flights/flightroutes/CountryCityRouteFAQAction
/charm/horizon/restaurants/static_details/ajax/RestaurantDetailsReviewsList
/charm/horizon/flights/flightroutes/LatestFlightDealsAjax
/charm/horizon/flights/flightroutes/IpOriginAjax
/api/
/charm/horizon/hotels/venue/ConventionCenterCarsResults
/charm/horizon/hotels/cityguides/CityGuidesBacklinkActivityUrls
/charm/horizon/common/core/AjaxMany
/charm/horizon/react/component/PrivacyMenuStateProviderAction
/charm/horizon/common/authentication/providers/AuthStateProviderAction
/api/search/V8
/hotels/
/charm/horizon/flights/airport/AirportFlightStatusTable
/
/charm/horizon/common/privacy/providers/CookiesDataProvider
/i/api/seo/
… list truncated
| Sitemap | Found 89 sitemaps (index) pages |
| Last modified | 2026-10-23T00:55:23-04:00 |
Social & Meta Tags
Complete
▼
| Title | Search Flights, Hotels & Car Hire | KAYAK |
| Description | KAYAK searches hundreds of other travel sites at once to find the information you need to make the right decisions on flights, hotels & car hires. |
| OG Title | Search Flights, Hotels & Car Hire | KAYAK |
| OG Description | KAYAK searches hundreds of other travel sites at once to find the information you need to make the right decisions on flights, hotels & car hires. |
| OG Image | https://content.r9cdn.net/rimg/provider-logos/common/socialmedia/kayak-logo.png?width=1200&height=630&crop=false |
| OG Type | article |
| OG Site Name | KAYAK |
| Twitter Card | summary_large_image |
| Canonical URL | https://www.kayak.co.uk |
| Language | en-gb |
Mail Security Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
▼
| SPF | ✓ Present v=spf1 include:spf.kayak.com ~all |
| DMARC | ✓ Present v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected] |
| MX Records | 10 → aspmx5.googlemail.com 5 → alt1.aspmx.l.google.com 5 → alt2.aspmx.l.google.com 0 → aspmx.l.google.com 10 → aspmx2.googlemail.com 10 → aspmx3.googlemail.com 10 → aspmx4.googlemail.com |
Other TLDs Other top-level domain variants of this domain name and their availability. 20 active 3 available
▼
Uptime Monitor
▼
| Current Status | 🟢 Online |
| HTTP Status | 200 |
| Response Time | 294ms |
| Last Checked | 2026-10-21 10:15:22.166534 |
| Uptime (30d) | 100% |
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