SEO Tools

Every SEO tool landing page promises the biggest database and deepest index. This best SEO tools comparison cuts through that with real pricing, real feature gaps, and honest guidance on when a free tool is enough and when it is worth paying for Ahrefs or Semrush.

MCP (Model Context Protocol) is the USB-C of AI — one standard way to connect models to tools instead of building custom integrations for each. Here's how.

AI memory vs context window is one of the most confused pairs in AI — a huge context window still forgets everything the moment the session ends.

Retrieval-Augmented Generation grounds AI answers in retrieved evidence instead of pure training data. Here's how it works, and where it quietly fails.

AI search ranking factors have decoupled from Google's rankings 80% of LLM-cited sources don't rank in Google's top 100. Here's what actually carries across engines.

Gemini AI decides mid-answer whether to search the live web, then cites exactly where each claim came from. Here's how that grounding pipeline works.

Perplexity AI cites 3-8 sources per answer out of 15 retrieved. Here's the six-stage pipeline that decides which pages survive, and how to pass it.