what is the best way to determine if a company (website) has any server side tracking companies (ex. Stape) integrated on the domain?

For detecting server-side tracking technologies like Stape, you have several technographic enrichment options: Spade - Returns all known technologies used by a company including third-party tools, with the month each was last observed. Just needs company name and domain. [clay.com Sumble - Provides verified technology data from job postings. Go to "Add Enrichment" > "Sumble" > "Enrich Company Technology" and enter the technologies you want to check. [clay.com SimilarWeb - Has a "Find website technologies" action that shows installed technologies with installation/uninstallation dates. [clay.com BuiltWith - Analyzes website source code to identify the complete software stack and tools implemented on the domain. [documentation Openmart - Can identify tech stacks for SMBs by analyzing their digital presence. [documentation Spade or BuiltWith would likely be your best bets for comprehensive server-side tracking detection.