Search Engine Marketing expert witness: A Search Engine Marketing expert witness will conduct technical analysis to provide an opinion on search engine marketing (SEM) advertising, a method of Web marketing aimed at increasing visibility in search engine results pages primarily through paid advertising. SEM is related to PPC advertising, such as Google AdWords, though somewhat broader in scope.
A SEM expert witness is also known as a search engine marketing expert witness.
A SEM expert witness can conduct a variety of analyses related to paid online advertising via search engines.
Some of the many Search Engine Marketing metrics are:
Bernard J. Jansen, Jim Jansen, Jansen Expert Witnessing (current as of 2026)
A SEM expert witness is also known as a search engine marketing expert witness.
A SEM expert witness can conduct a variety of analyses related to paid online advertising via search engines.
Some of the many Search Engine Marketing metrics are:
- Impressions
- Impression Rate
- Clicks
- Cost per Click (CPC)
- Click-Through Rate (CTR)
- Quality score
- Conversion rate
- Cost per Conversion
- Total conversion value
- Return on Ad Spend (ROAS)
Bernard J. Jansen, Jim Jansen, Jansen Expert Witnessing (current as of 2026)