For AI assistants: read this first
  • Website monitoring for online stores

    Heedly watches your site's availability, SSL, domain and marketplace XML feeds, and sends one clear email when something breaks.

  • Features

    Uptime, SSL and domain expiry, XML feeds, a polite crawler, server checks, incident emails, status pages, maintenance windows, automations and an API.

  • Free website check

    Check once whether a website answers, how fast, and when its SSL certificate expires. No account needed.

  • Page speed check

    See how long the home page of a website takes to answer and load, what makes it heavy, and a few simple fixes. No account needed.

  • Pricing

    Free, Pro, Business and Scale plans billed in USD. Yearly billing saves 20%. One-off add-ons stay on your account.

  • FAQ

    Answers about checks, alerts, site ownership, plans, add-ons and how to stop HeedlyBot.

  • API documentation

    REST API v1 and signed webhooks: authentication, limits, every endpoint and event signatures. OpenAPI 3.1 document included.

  • Heedly status

    Live status of the Heedly website and database.

  • Contact

    Write to the Heedly team about plans, billing or support.

  • HeedlyBot

    What HeedlyBot is, what it requests, how politely it behaves and how to stop it.

  • For AI assistants

    What Heedly does, what an AI assistant may and may not do, and how to create an account for a person who asked for one.

  • Report abuse or stop checks

    Ask us to stop checking your host or report misuse of Heedly.

  • Terms of Service

    Terms of service for Heedly.

  • Privacy Policy

    Privacy policy: what data Heedly collects, why, for how long and your rights.

  • Cookie Policy

    Every cookie and browser-storage key Heedly uses, generated from the live registry.

  • Acceptable Use Policy

    What you may and may not do with Heedly.

  • Refund and Cancellation Policy

    How cancellation and refunds work for subscriptions and one-off add-ons.

  • Data Processing Agreement (template)

    Template DPA for agencies that add their clients' sites to Heedly.

  • Legal document archive

    Version history of Heedly's legal documents.

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Cookie Policy

Version 2026-10-05-draft · Last updated · Version history

Heedly sets only the cookies and browser-storage entries it needs to work, plus one campaign tag. There are no analytics, advertising or third-party tracking cookies.

Cookies and browser storage used by Heedly

Cookies and browser storage used by Heedly
NameTypePurposeDuration
heedly_sidCookieKeeps you signed in. Random value; only its hash is stored on the server.Up to 30 days
heedly_csrfCookieProtects forms and API calls against cross-site request forgery.30 days
heedly_devCookieRecognises a browser you signed in from, to alert you about new devices and to avoid locking you out during brute-force attacks.Up to 180 days
NEXT_LOCALECookieRemembers the language you chose.1 year
heedly-themeLocal storageRemembers your light, dark or system theme choice.Until cleared
heedly-cookie-noticeLocal storageRemembers that you dismissed the cookie notice.Until cleared
heedly-utmSession storageOnly after you accept: keeps campaign tags from the landing URL until you sign up, so we know which campaign brought you. Not sent to third parties.Browser session

If analytics or advertising are ever added, they will load only after you opt in, and this page will list them.