We only use technical cookies and storage, needed for the website to work or for what you ask us to do. We do not use advertising, analytics or tracking cookies, and there are no third-party cookies. That is why, according to the Spanish Data Protection Agency’s guidance, we do not need to ask for your consent.
| Name | Purpose | Duration |
|---|---|---|
| mtl | Keeps your session and form protection. | 30 days |
| mtl_conf | Remembers this browser so we don’t ask for the verification code every time (only if you tick the box). | Up to 90 days; expires after 30 days without use |
| mtl_aviso_cookies | Remembers that you have closed this notice (browser local storage). | Until you clear your browser data |
| luz-* | Remembers whether Luz was open and whether you prefer voice or text (browser session storage). | Until you close the tab |
Visits are counted on our own server, without cookies and without storing your IP address.
Fonts and photos are served from our own server. Only when reading a PDF bill or a QR code are the reading programs downloaded from cdnjs (Cloudflare) and jsDelivr, without cookies.
You can delete cookies and storage from your browser settings. If you do, you will be signed out.
Luz is an AI assistant (Google Gemini) and can make mistakes. Do not share personal details. We do not store the conversation or audio.
