Cookie Policy

First-party cookies

Cookie nameDescriptionDuration
GCLBUsed to ensure website stabilitySession
PHPSESSIDUsed to remember your settings between pages.Session

Third-party services


We want to ensure we provide a good experience on WhatMattress. These cookies allow us to monitor how visitors use our website. This information provides us with anonymous statistics on how many people visit the website, where they have come from and the pages they visit so that we can continue to develop and improve the website and our services.

Third PartyDescription
Google AnalyticsCollects statistical information about how you use the site so that we can improve the site
HotjarHelps monitor website use so that we can improve the site


These cookies allow you to share content from the WhatMattress website on popular social media platforms.

Third PartyDescription
FacebookSocial media integration
TwitterSocial media integration
TrustpilotUser reviews integration


Some of these cookies allow us to track the performance of our online advertising campaigns. Others allow third parties to identify what you show an interest in, allowing a more personalized and relevant selection of advertisements to be displayed when you browse the internet.

Third PartyDescription
Google AdWordsTracks performance of advertising campaigns
Facebook AdsTracks performance of advertising campaigns.
BingTracks performance of advertising campaigns.

Special offers

These cookies allow us to provide you with special offers across the site without becoming annoying by showing you too many pop-up messages.

Third PartyDescription
OptinmonsterProvides special offers to specific customers.

Affiliate Links

When you visit one of the mattress providers from our website, it’s likely that you’ll do so via an affiliate link. When you click on these links a cookie is set and, if you purchase a mattress or other bedding product, the provider is able to identify that you have come from our website and we may earn a commission as a result.

These commissions allow us to continue providing a free service to you.

The Affiliate Marketing Council, part of the Internet Advertising Bureau (IAB) a trade association for online and mobile advertising, has created a website dedicated to helping you understand how affiliate marketing works.

Third-party cookies

Here is a list of the main cookies set by the third-party services we use to improve your experience on our website and a brief description of what they do.

_gaGoogle Analytics cookie used to identify unique anonymous visitors.2 years
_gatGoogle Analytics cookie that limits the number of requests made to their servers.10 minutes
_omappvsOptinmonster cookie that helps prevent excessive display of overlay messagesSession
_omappvpOptinmonster cookie that identifies first-time visitors to the site10 years, 11 months
_om-success-cookieOptinmonster cookie that lets us know that you have used a special offer24 hours

How to control cookies

You can control and/or delete cookies as you wish – for details, see You can delete all cookies that are already on your computer and you can set most browsers to prevent them from being placed. If you do this, however, you may have to manually adjust some preferences every time you visit a site and some services and functionalities may not work.

Here are some relevant cookie information and opt out options. You can use these resources or other plugins to opt out of cookies through your browser:

Your Online Choices
The Self-Regulatory Program for Online Behavioral Advertising
Network Advertising Initiative Consumer Opt-Out

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