Cookie policy
Last updated: 15 August 2026
A cookie is a small file a site stores on your device to remember something between one visit and the next. They are not all alike and not all of them are needed, so here they are one by one.
1. How you are asked for permission
No analytics or advertising cookie is installed on this site today. The consent signal it declares to Google starts denied for storage, ad measurement, ad personalisation and analytics, and it stays denied until you say otherwise.
Ads are not being served yet. When they are, Google's certified consent panel will ask you first, from the European Economic Area, the United Kingdom and Switzerland: accept everything, reject everything or choose by purpose, and rejecting will cost exactly what accepting costs, one click at the first level. Carrying on browsing does not count as accepting.
Until that happens, the only cookies you get are the strictly necessary ones listed below, and you can delete them from your browser whenever you like.
2. Strictly necessary cookies
These are needed for the site to work and require no consent, under Article 22(2) of Ley 34/2002.
| Cookie | Set by | Purpose | Duration |
|---|---|---|---|
| NEXT_LOCALE | This site | Remembering the language you chose | 1 year |
| __client_uat, __client_uat_* | Clerk | Telling the sign-in system whether there is an open session. They arrive on the first visit, before any account exists. | 400 days |
| FCCDCF, FCNEC | Storing your decision about consent | Up to 13 months | |
| __cf_bm | Cloudflare | Telling automated traffic apart from people | 30 minutes |
| PHPSESSID | This site | Tying your document to your chat while it lasts. Only set if you use Chat PDF, Summarise or Translate. | Session |
3. Analytics cookies
These are only installed if you accept them. They tell us which tools get used and which ones fail, always in aggregate.
| Cookie | Set by | Purpose | Duration |
|---|---|---|---|
| _ga | Google Analytics | Distinguishing visitors | 2 years |
| _ga_Z8WS36P5HY | Google Analytics | Keeping session state | 2 years |
4. Advertising cookies
Only if you accept them. These are what makes the ads pay, and the service with them.
| Cookie | Set by | Purpose | Duration |
|---|---|---|---|
| __gads, __gpi | Google AdSense | Measuring ads seen and capping repeats | Up to 13 months |
| IDE, test_cookie | Google (doubleclick.net) | Measuring effectiveness and personalising ads | Up to 13 months |
| NID | Ad preferences | 6 months |
5. How to delete or block them
Besides the consent panel, your browser lets you delete the cookies already there and block future ones. Each one calls it something different, but they all keep it in the privacy section of their settings.
Bear in mind that if you block every cookie, the strictly necessary ones included, your language may not be remembered or you may not be able to stay signed in. The tools will carry on working.
Blocking the advertising and analytics ones limits no feature of the site.
6. Third-party cookies
The cookies set by Google, Clerk and Cloudflare are also governed by their own policies: Google, Clerk and Cloudflare.
The full list of advertising vendors taking part under the industry transparency and consent framework is available in the consent panel itself.