Why does every website ask about cookies now?
It feels like every site on earth suddenly started nagging you about cookies. There is a straightforward reason, and it is not the websites being annoying for fun. Here is what actually drove it.
The short answer: the law
Privacy laws, chiefly the EU and UK GDPR and the older PECR rules, require websites to get your consent before setting non-essential cookies like analytics and advertising. The banner is how a site asks for that consent. No banner, no legal basis to track, so they all added one.
Why it happened when it did
GDPR landed in 2018 and enforcement has tightened steadily since, with regulators making clear that burying or pre-ticking consent is not good enough. As the rules sharpened, banners spread from EU sites to basically everyone, because most sites get at least some EU or UK visitors and it is easier to show the banner to all of them.
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Check my tracking freeWhat the banner is really for
Underneath the annoyance, the banner is a genuine choice: it lets you decide whether a site can use analytics and advertising cookies to follow what you do. Essential cookies load either way, so the banner is only ever about the non-essential tracking.
For website owners, it is a measurement problem too
Those banners are not just a legal checkbox, they decide how much of your traffic you can still measure. A badly built one blocks your analytics for everyone who ignores it, which is most people. Getting consent right is as much about protecting your data as staying compliant.
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Do you need a cookie banner? Are cookie banners legally required? Should you accept cookies? All guidesDatahound are analytics and ad-tracking specialists. We fix broken GA4, Google Ads, Meta and server-side tracking. See pricing · All guides · Back to datahound.agency
Why cookie banners exist: common questions
Why do all websites ask about cookies now?
Because privacy laws like the EU and UK GDPR and PECR require consent before a site sets non-essential cookies such as analytics and advertising. The banner is how sites ask for that consent.
Are websites legally required to show a cookie banner?
If they set non-essential cookies and have EU or UK visitors, effectively yes, they need to obtain consent, which in practice means a banner. Sites using only strictly necessary cookies may not need one.
Did cookie banners come from GDPR?
Largely yes. GDPR and the earlier PECR rules require consent for non-essential cookies, and tightening enforcement since 2018 is why banners became near-universal.