Cookie Policy
Last updated: 8 October 2026
1. How consent works on this site
Nothing non-essential is stored before you decide. On your first visit a notice appears with two options: "Accept all" and "Essential only". They are equally prominent, and the second does not degrade your experience: the site works exactly the same.
You can change your mind at any time. This button reopens the notice:
Your choice is stored in your browser's local storage under the key eme-cookie-consent-v1. It is not a cookie and is never sent to a server.
2. What a cookie is
Cookies are files a website stores in your browser. Some are essential for the page to work; others measure audience or serve advertising. On this site, most of what would normally rely on cookies uses local storage instead, which is never sent to the server.
3. Exactly what this site uses
First-party storage (always on)
| Name | Type | Purpose |
|---|---|---|
theme | Local storage | Remembers your light/dark preference. |
eme-cookie-consent-v1 | Local storage | Remembers your cookie choice so we don't ask again. |
session | Session cookie | Admin panel only. No visitor ever receives it. |
These three are strictly necessary to run the site or to honour your decision, so they do not require consent.
Cookieless audience measurement (always on)
We use Vercel Analytics and Vercel Speed Insights. They set no cookies and do not identify individuals: visits are grouped with an anonymous identifier derived from the request, which rotates daily and cannot follow you across sites. That is why they run without asking for permission.
Audience measurement with cookies (consent only)
If you press "Accept all" we load Google Analytics 4, which tells us which articles are read, for how long and where readers come from. It sets its own cookies (_ga and _ga_<identifier>), so it never loads without your permission. If you decline, the site works exactly the same: no script, no cookies and no requests to Google.
Advertising and third parties
| Provider | Purpose | When it loads |
|---|---|---|
| Google AdSense | Serving ads and, where applicable, personalising them based on your browsing. It sets its own and third-party advertising cookies (including __gads and IDE). | Only if you press "Accept all" |
| A-ADS | Serving a sidebar ad slot. Its provider installs no cookies and no storage: it neither writes to nor reads from your device. | Always, because it installs nothing |
| Google Analytics 4 | Measuring audience: page views, time on page and where the visit came from. It sets its own cookies (_ga, _ga_<identifier>), lasting up to 14 months. | Only if you press "Accept all" |
If you decline: Google ads and Google Analytics measurement are not loaded at all. The A-ADS slot is still shown, because it installs no cookies or storage and therefore needs no permission; if you would rather not see it, the block has an "X" to close it. You still get the full site, and your visits only count in the anonymous cookieless measurement. No profiling takes place.
4. Managing them from your browser
- Google Chrome: Cookie settings
- Mozilla Firefox: Cookie settings
- Safari: Cookie settings
- Microsoft Edge: Cookie settings
5. Legal basis
Non-essential storage requires your prior consent under article 22.2 of Spanish Law 34/2002 (LSSI) and the guidelines of the Spanish Data Protection Agency (AEPD). Strictly necessary storage is exempt. See how we handle personal data in our Privacy Policy.