Cookie Policy

Last updated: 3rd January 2026

This Cookie Policy explains how Siren Films uses cookies and similar technologies on our website (sirenfilms.co.uk). It describes what cookies are, what types we use, why we use them, and how you can control them.

What are cookies?

Cookies are small text files that are placed on your computer or mobile device when you visit a website. They are widely used to make websites work more efficiently, as well as to provide information to the site owners. Cookies can be “session” cookies (which are deleted when you close your browser) or “persistent” cookies (which stay on your device until they expire or you delete them).

How we use cookies

We use cookies to ensure our website functions correctly, improve user experience, analyse how our website is used, and provide embedded video and other content from third-party providers such as Vimeo and Google Analytics.

Types of cookies we use

1. Necessary cookies

These cookies are essential for the website to function properly. Without these cookies, some parts of the site would not work.

  • PHPSESSID (sirenfilms.co.uk) – Used to maintain session information for logged-in users. Duration: Session
  • __cf_bm (vimeo.com) – Supports Cloudflare bot management. Duration: 1 hour
  • _cfuvid (vimeo.com) – Tracks users across sessions to maintain consistent service. Duration: Session

2. Analytics and performance cookies

These cookies help us understand how visitors interact with our site, measure traffic sources, and improve our services.

  • _ga (sirenfilms.co.uk) – Used by Google Analytics to distinguish users. Duration: 1 year 1 month
  • _gid (sirenfilms.co.uk) – Used by Google Analytics to store information about how visitors use the site. Duration: 1 day
  • _gat (sirenfilms.co.uk) – Used by Google Analytics to limit data collection on high-traffic sites. Duration: 1 minute
  • vuid (vimeo.com) – Set by Vimeo to collect analytics tracking for embedded videos. Duration: 1 year 1 month
  • sbjs_* (sirenfilms.co.uk) – Used by Sourcebuster to identify visit sources and behaviour. Duration: Session–1 hour

3. Other cookies

These cookies are used by tools such as PostHog (for internal analytics) and Beacon support widgets. They do not collect personally identifiable information.

  • ph_phc_p7gtuH08fZl92ZTPsbXSeDgdvXu4jnLdgWzXsOZy5P5_posthog (sirenfilms.co.uk) – Used by PostHog for website analytics. Duration: 1 year
  • hs-beacon-4eadb1c5-363c-4abb-a551-39f542007941-shown-animation (sirenfilms.co.uk) – Used by support chat or help widgets. Duration: Persistent
  • ph_phc_*_window_id (sirenfilms.co.uk) – Used by PostHog to manage browser windows. Duration: Session

Managing cookies

You can control and delete cookies through your browser settings. Most browsers allow you to refuse or accept cookies. Please note that disabling some cookies may affect the functionality of this website.

Third-party cookies

Some cookies are set by third-party services that appear on our pages, such as Vimeo (for video playback) and Google Analytics. We recommend reviewing their respective privacy policies for more details on how they use your information.

Contact us

If you have any questions about this Cookie Policy or our data practices, please contact us at info@sirenfilms.co.uk.