| ANONCHK | Used by Microsoft Clarity and Microsoft Ads to store session ID for a users session to ensure that clicks are verified for reporting purposes and for personalisation. | 10 mins | 
                                            
                                                | MUID | Identifies unique web browsers used by Microsoft. These cookies are used for advertising, site analytics, and other operational purposes. | 1 year | 
                                            
                                                | SM | Used by Microsoft to synchronise the unique identifier across Microsoft domains for consistent user recognition and ad targeting. | End of session | 
                                            
                                                | MR | Used by Microsoft to support ad delivery and performance tracking. | 7 days | 
                                            
                                                | SRM_B | Set by Microsoft Bing Ads and is used for advertising purposes. It helps deliver targeted ads and measure the effectiveness of ad campaigns across websites. | 1 year | 
                                            
                                                | CLID | Used by Microsoft Clarity to identify the first time a user visited any site using Clarity. Helps track user behaviour and engagement across sessions for analytics purposes. | 1 year | 
                                            
                                                | NID | Set by Google to store user preferences and personalise content, including ads on Google services. Also supports services like reCAPTCHA and SafeSearch settings. | 6 months | 
                                            
                                                | AEC | Used by Google to ensure that requests during a browsing session are genuinely made by the user, helping to prevent malicious activity such as cross-site request forgery. | 6 months | 
                                            
                                                | ADS_VISITOR_ID | Used by Google Ads to identify users across websites for advertising and analytics purposes. Supports the delivery of targeted adverts and helps measure the effectiveness of marketing campaigns. | 6 months | 
                                            
                                                | __Secure-ENID | Helps Google prevent fraudulent login attempts, safeguard user data, and ensure secure access to its services. It may also be used to support personalisation features. | 13 months | 
                                            
                                                | UserMatchHistory | Set by LinkedIn Ads, this cookie helps match users across different websites to improve how adverts are shown. | 30 days | 
                                            
                                                | s_sq | Set by LinkedIn, this cookie records the last link clicked by the user to understand how visitors navigate on websites. | End of session | 
                                            
                                                | lms_analytics | Set by LinkedIn, this cookie helps understand how people interact with LinkedIn content. | 30 days | 
                                            
                                                | li_sugr | Set by LinkedIn, this cookie helps estimate if different visits to our website come from the same person, to improve advertising accuracy. | 90 days | 
                                            
                                                | lms_ads | Used to identify LinkedIn Members off LinkedIn for advertising. | 30 days | 
                                            
                                                | gpv_pn | Used by LinkedIn to retain and fetch previous page visited. | 6 months | 
                                            
                                                | li_mc | Used by LinkedIn for retargeting and ad performance. | 6 months | 
                                            
                                                | _guid | Used to identify a LinkedIn Member for advertising through Google Ads. | 90 days | 
                                            
                                                | ar_debug | Supports Google attribution reporting API integration to mitigate signal loss. | End of session | 
                                            
                                                | liap | Used by LinkedIn to denote the logged in status of a member. | 1 year | 
                                            
                                                | IDE | Set by Google (DoubleClick), this cookie helps show relevant ads to users and measure the success of advertising campaigns. | 13 months | 
                                            
                                                | DSID | Set by Google, this cookie remembers a user’s ad preferences and identifies when they are signed in on non-Google sites. | 7–14 days | 
                                            
                                                | __Secure-3PAPISID | Set by Google, this cookie helps deliver personalised adverts based on a user’s browsing history and profile. | 2 years | 
                                            
                                                | __Secure-3PSID | Set by Google, this cookie works with others to show targeted adverts on third-party websites. | 2 years | 
                                            
                                                | __Secure-3PSIDCC | Set by Google, this cookie helps prevent advertising fraud and ensures adverts are shown securely and reliably. | 1 year | 
                                            
                                                | __Secure-3PSIDTS | Set by Google, this cookie tracks when users interact with ads and content for better ad performance measurement. | 2 years | 
                                            
                                                | li_fat_id | Set by LinkedIn, this cookie tracks when someone clicks on a LinkedIn ad and visits a website, helping measure conversions and ad impact. | 30 days |