SERVERID : Usually used for load balancing. Identifies the server that delivered the last page to the browser. Associated with the HAProxy Load Balancer software. PHPSESSID : Cookie generated by applications based on the PHP language. This is a general purpose identifier used to maintain user session variables. It is normally a random generated number, how it is used can be specific to the site, but a good example is maintaining a logged-in status for a user between pages. cookielawinfo-checkbox-necessary
pll_language : This cookie name is associated with the Polylang plug-in for WordPress powered websites. it stores a language preference for the visitor to support multi-lingual websites. When set as a persistent cookie, or with the default lifespan of 1 year, it has to e considered Functional rather than strictly necessary.