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Cookie Policy

What cookies Pencil uses, why, and how to control them.

What are cookies?

Cookies are small text files stored on your device when you visit a website. They help websites remember your preferences, keep you logged in, and understand how the site is used.

Cookies we use

Essential cookies

Required

These cookies are necessary for the platform to function. They manage your login session and keep you authenticated. Without them, you cannot use the service.

Cookie namePurposeDuration

sb-[project]-auth-tokenSupabase authentication sessionSession / 1 year

Analytics cookies — Microsoft Clarity

Optional

Microsoft Clarity records anonymised session data including page views, clicks, and scroll behaviour. This helps us understand how teachers use Pencil and identify areas for improvement. No personally identifiable information is sent to Microsoft.

Cookie namePurposeDuration

_clckPersists Clarity user ID1 year

_clskSession identifier1 day

Analytics cookies — PostHog

Optional

PostHog tracks product usage events such as which tools are used, how often, and where users encounter difficulties. This data is used to prioritise product improvements.

Cookie namePurposeDuration

ph_posthog_*PostHog analytics session1 year

Managing your preferences

When you first visit Pencil, we ask for your consent to use optional analytics cookies. You can change your preferences at any time from the cookie settings in the footer.

You can also control cookies through your browser settings. Note that disabling essential cookies will prevent you from logging in to the platform.

Contact

Questions about our use of cookies? Email privacy@vicerta.com

Last updated: April 2026