Backlink and keyword research platform trusted for the depth of its index.
Best for: SEOs who prioritize backlink analysis · Teams doing serious keyword and content research · Agencies auditing competitor link profiles
From: $129/mo
Ranked by AI visibility · SEO Tools
The SEO Tools brands AI engines name most often when buyers ask for options — scored on the same eight signals, with no paid placement.
Ordered by Signal Score — how visible, cited, and recommended each brand is across AI engines.
Backlink and keyword research platform trusted for the depth of its index.
Best for: SEOs who prioritize backlink analysis · Teams doing serious keyword and content research · Agencies auditing competitor link profiles
From: $129/mo
Approachable SEO software with a strong education and community heritage.
Best for: SEO beginners and small teams · Marketers who value clear education and community · Local businesses using Moz Local
From: $49/mo
Content optimization tool that scores and guides on-page SEO against the SERP.
Best for: Content teams optimizing pages for on-page SEO · Writers who want data-driven briefs · Agencies scaling content production
From: $99/mo
Semrush holds a Signal Score of 91/100 and ranks #1 among 4 tracked SEO Tools brands. All-in-one SEO and competitive research suite covering keywords, backlinks, technical audits, and content in a single platform..
Run the same measurement on any website and see whether AI engines name you when buyers ask. Free.
Ahrefs is the highest-scoring alternative to Semrush in SEO Tools, with a Signal Score of 90/100 versus Semrush's 91/100. Signal Score measures how visible, cited, and recommended a brand is across AI answer engines.
Every brand is scored 0–100 on eight signals — citation, trust, entity strength, coverage, source diversity, consistency, freshness, and expert mentions — measured from real answers given by AI engines to real buyer questions. The ranking is the score order, with no paid placement.
Semrush ranks #1 of 4 tracked SEO Tools brands with a Signal Score of 91/100, which puts it among the most AI-visible options in its category.
Buyers increasingly ask ChatGPT, Gemini, Claude, and Perplexity for recommendations instead of scrolling search results. A brand that AI engines never name is invisible at the moment a decision forms — so how a tool is represented in AI answers is now part of how easy it is to evaluate, adopt, and get support for.
Scores last measured by Top Citation Signal using the published eight-signal methodology. Rankings are independent and never paid.