
Choosing a keyword research tool? Score it on 8 criteria: data source, fit scoring, SERP checks, caps, seats, billing, AI search data and exports. Prices from 9 tools, checked 7 Oct 2026.

B2B keyword research starts from the buyer, not the volume column. A 7-step method, the sources that find buyer wording, and why ‘b2b keyword research’ carries a $72.82 CPC.

YouTube comments hold the exact words buyers use, but top comments on big videos are mostly noise. A 6-step method, the tools that help, and what we found reading 20 top comments.

Reddit keyword research turns real threads into keywords no database has. 6 tools compared (free to $29.95/mo) plus the manual method, with prices checked 7 Oct 2026.

A YouTube video gap tool checks which searches have no good video yet. We compared 4 tools, from a free GapTube topic to Semrush’s $29/mo app, plus the manual method.

We captured 65 fan-out queries from 40 ChatGPT answers. 82% named a brand, 38% added ‘2026’, 35% asked for official pages. What fan-out queries are and how to find them.

Keyword difficulty (KD) counts backlinks to the top 10. It ignores who ranks, on-page quality and who is searching. Here is what KD measures, where it misleads, and what to check instead.

Hate monthly SEO bills? These 6 keyword research tools work without a subscription: credit packs from $25, a $97 one-time app, and free Google data. Prices checked 7 Oct 2026.

AnswerThePublic starts at $13.33/mo for 100 searches. These 6 AnswerThePublic alternatives pull questions from Reddit, YouTube, People Also Ask and AI answers.

Ahrefs Lite is $129/mo, Semrush SEO $139/mo. For a 5-person team it flips: $489 vs $319. Full Ahrefs vs Semrush comparison with prices checked 7 Oct 2026.