Cookies and tracking

Cookies and JavaScript tracking

Historical Photographs of Hong Kong uses cookies. We use essential cookies to keep the website running smoothly, including navigation. With your consent, we also use analytics cookies and JavaScript tracking to monitor how visitors interact with the site. This helps us gather valuable insights into site usage. Additionally, we may collect geographic and statistical data on user behaviour to evaluate the website's popularity and efficiency. Any shared data will be aggregated and will not disclose individual user identities.

The table below outlines the types of cookies we use and their purposes:

Cookie type Cookie name Purpose
Essential sessionid Used to maintain user session for logged-in users.
Essential csrftoken Used to prevent cross-site request forgery.
Analytics MATOMO_SESSID, _pk_id.<number> Used only if you accept analytics cookies, to help us understand how visitors use the website. These might not be present since the site also uses JavaScript tracking with your consent.
Analytics mtm_consent_removed Used if you accepted analytics cookies and tracking, and then subsequently rejected them.

Local storage

We also use local storage for essential areas of browsing the website, namely, to remember your cookie preferences and track the state of a photograph gallery to aid with navigation.

Privacy

The Historical Photographs of Hong Kong website is hosted by the University of Bristol. See our privacy policy.