25+ Years in Search, Domains, and Internet Investigations
I am the founder of Hartzer Consulting, LLC and DNAccess, and have worked for more than 25 years as a technical SEO (Search Engine Optimization), search engine marketing, and domain name consultant to organizations ranging from startups to Fortune 500 companies. My work spans technical SEO audits, website and domain migrations, search engine marketing campaign management, domain portfolio management and recovery, and internet investigations.
Litigation & Expert Witness Matters
I regularly serve as an expert witness in matters involving search engine optimization, search engine marketing, Google Ads and online advertising, web analytics, internet marketing, domain names and domain ownership disputes, and website traffic analysis. That work includes reviewing evidence, preparing expert reports, analyzing historical technical data, conducting forensic internet investigations, and explaining complex internet technologies in terms attorneys, judges, and juries can understand and rely on.
Relevant Technical Disciplines
Internet & Search Investigations
WHOIS history, DNS history, search engine history, website attribution, historical technical data analysis, and forensic internet investigation methods.
Domain Names & Security
Domain ownership investigation, WHOIS history analysis, registrar disputes, stolen and hijacked domain recovery, and DNS-level investigation, through DNAccess.
Web Analytics
Google Analytics and Search Console analysis, traffic and ranking history, and attribution of traffic changes to specific events or content.
Digital Advertising
Google Ads and Microsoft Advertising campaign analysis, conversion tracking review, and attribution analysis relevant to advertising and marketing disputes.
Detailed CV Available on Request
A detailed CV, including specific case history, publications, and speaking engagements, is available on request for attorneys and parties evaluating an engagement.