O'Brien's Encyclopedia of Forms, Eleventh Edition, Master Subject Index

These technologies are essential for the site to function and are set automatically. They support secure login and authenticated sessions, privacy and consent choices, traffic distribution, and protect against fraud, bots, and unauthorised access.

These technologies carry out detailed analysis of how people interact with our website and digital services. They may track sessions, journeys, interactions, and engagement over time and across touchpoints. Where you allow it, insights may also inform how we tailor content, support, or communication across our own channels. Blocking them means we will not use these technologies for this detailed analysis.

These technologies remember choices you make, such as your language, region, accessibility, or display preferences, and support basic features such as live chat and customer support tools. Blocking them may affect how some features work.

These technologies are used to deliver relevant marketing, measure campaign effectiveness, and support advertising and targeting across digital services and third-party platforms. Blocking them means you will see less targeted marketing and advertising.

These technologies are used when we display social media features or embed third-party content, such as videos, posts, feeds, maps, or sharing tools. These third-party providers may use them to collect information about you for their own purposes, such as analytics, personalisation, and advertising. Blocking them may prevent that content from loading or functioning properly.