CPM, CPC and CPL cannot see the value of an AI citation. Here are three new performance metrics, cost per citation, citation share of voice and citation-influenced pipeline.
Most AI SEO contracts pay for activity, not outcomes. These five KPI clauses, plus a refund-trigger template, tie the fee to citation share, freshness and schema coverage.
A single content brief can optimise for Google ranking, AI retrieval and AI citation at the same time. Here is the three-layer template, with the checklist for each layer.
Retainer, project and outcome-based pricing each suit a different GEO engagement. Here is how the three models work, what they cost to run, and when each one fits.
Answer engine optimisation and generative engine optimisation began as different disciplines and have converged. Here is the real distinction in 2026 and how to spot a mis-sell.
Perplexity leans on primary and news sources; ChatGPT leans on Wikipedia and reference sites. Here is what the published data shows and two publishing playbooks that follow from it.
A repeatable 10-step method for auditing how visible a site is across ChatGPT, Perplexity and Gemini, with a query template, a scoring rubric and a worked scorecard.
Most AI SEO case studies prove nothing. This template sets out the six proof points a credible case file must contain, from baseline data to an attribution method.
Ranking in ChatGPT means being cited inside its answers, not holding a link. Here are the seven proven GEO tactics that lift AI citations, with the research.
Most ChatGPT SEO advice treats every tactic as equal. This playbook ranks 12 tactics by the effect size each one showed in a published study or controlled test.