| _pk_id | Used to store a few details about the user such as the unique visitor ID. | 13 months | HTML | Matomo |
| _pk_ref | Used to store the attribution information, the referrer initially used to visit the website. | 6 months | HTML | Matomo |
| _pk_ses | Short lived cookie used to temporarily store data for the visit. | 30 minutes | HTML | Matomo |
| _pk_cvar | Short lived cookie used to temporarily store data for the visit. | 30 minutes | HTML | Matomo |
| _pk_hsr | Short lived cookie used to temporarily store data for the visit. | 30 minutes | HTML | Matomo |
| _ga | Used to distinguish users. | 2 years | HTML | Google |
| _gat | Used to throttle request rate. | 1 day | HTML | Google |
| _gid | Used to distinguish users. | 1 day | HTML | Google |
| _ga_--container-id-- | Persists session state. | 2 years | HTML | Google |
| _gac_--property-id-- | Contains campaign related information for the user. If you have linked your Google Analytics and Google Ads accounts, Google Ads website conversion tags will read this cookie unless you opt-out. | 3 months | HTML | Google |
| _gcl_au | Used by Google AdSense to experiment with advertisement efficiency. | 3 months | HTML | Google |
| AMP_TOKEN | Contains a token that can be used to retrieve a Client ID from AMP Client ID service. Other possible values indicate opt-out, inflight request or an error retrieving a Client ID from AMP Client ID service. | 1 year | HTML | Google |
| _dc_gtm_--property-id-- | Used by DoubleClick (Google Tag Manager) to help identify the visitors by either age, gender or interests. | 2 years | HTML | Google |
| MUID | Used as unique user identifier. The cookie allows user tracking across many Microsoft domains. | 1 year | HTML | Bing |
| MUIDB | Saves anonymous user data from multiple website visits on multiple sites to test advertisement efficiency. | 1 year | HTML | Bing |
| _fbp | Stores the unique visitor ID. | 28 days | HTML | facebook |
| facebookPixel | If JavaScript is not enabled, this pixel initiates a connection to facebook. | none | Pixel | facebook |
| __RequestVerificationToken | The cookie is used to implement anti-forgery concerning Microsoft-forms on the website. | session | HTTP | Microsoft |
| AADNonce.forms | The cookie is used to implement Microsoft-forms on the website. | session | HTTP | Microsoft |
| DcLcid | The cookie is used to implement Microsoft-forms on the website. | 3 months | HTTP | Microsoft |
| MSFPC | The cookie allows user tracking across many Microsoft domains and is used for Bing Analytics. | 1 year | HTML | Microsoft |
| UID | The cookie is used for market and user research (Scorecard Research). | 2 years | HTML | Slideshare |
| UIDR | The cookie is used for market and user research (Scorecard Research). | 2 years | HTML | Slideshare |
| bcookie | Browser Identifier cookie to uniquely identify devices accessing LinkedIn to detect abuse on the platform. | 2 years | HTML | Slideshare |
| lang | Used to remember a user's language setting. | session | HTML | Slideshare |
![[Translate to Chinese:] Semicon Europa](/fileadmin/_processed_/3/8/csm_sceuropa_262x136_b9a8b5da7a.gif "[Translate to Chinese:] Semicon Europa")