Answer: True
Explanation:
Proprietary technology is simply the tools, processes, tools, or systems of interrelated connections which can be attributed as the property of an individual or a business.
The combinations listed above give competitive advantage to owners of such proprietary technologies. Because modern search engines use proprietary technology in the race to stay ahead of competitors, it is not possible to tell exactly how they decide what websites will appear in a SERP.
It should be noted that Search Engine Results Pages (SERP) are simply the pages that are displayed by search engines when a user asks a query.
The statement in the question is true.