Keyword research tool for the searches worth chasing.

A keyword research tool is software that finds the searches people type into Google, measures each one for search volume, intent, advertiser competition and trend, and helps you choose which deserve a page. RankX AI’s keyword research tool also scores every term 0 to 100 for opportunity against your own website, and sends the keepers to rank tracking.

The best keyword research tool is the one that helps you find the right keywords with numbers you can trace, so judge it on four things: where its search volume comes from, whether it separates ad competition from ranking difficulty, whether it measures fit with your business, and what happens after you pick a keyword. Google Keyword Planner gives you Google’s own figures for free; a free keyword generator is the fastest list of ideas; RankX AI is built for choosing which searches deserve a page and then tracking them.

Yes, for ideas, and with care for numbers. ChatGPT is good at helping you generate keyword ideas, long-tail ones especially, rephrasing a topic the way customers say it, and grouping a list by theme. A search volume a chatbot gives you without a source is not measured data, so use it to widen your seed list, then check every idea in a keyword research tool that reports search volume from Google’s keyword data. RankX AI also scores each idea against your own website before you commit to a page.

Mostly. Google Keyword Planner is free, in Google’s words a free resource for advertisers building keyword lists, but it asks for a Google Ads account with billing details entered before it shows keyword ideas, and its volumes are rounded. Google Search Console is free too and shows the searches you already appear for. What neither does is score a term against your business or carry it into tracking, which is where a keyword research tool such as RankX AI starts.

Accurate enough to rank terms against each other, and never exact. Google says its own Keyword Planner volumes are rounded and averaged over 12 months, with close variants counted together, so treat any tool’s search volume as an estimate. RankX AI’s volumes come from Google Ads keyword data, are labelled as estimates on every surface, and count as one signal of 5 in the opportunity score rather than the verdict.

RankX AI reports ad competition instead, on purpose: LOW to HIGH from Google Ads with the cost per click beside it, labelled as an advertising signal rather than ranking difficulty. Keyword difficulty is each vendor’s own estimate of how hard the first page of search results would be, so RankX AI shows the measured signal rather than an estimate of its own. Why keyword difficulty scores differ between tools explains the trade.

Start broad and let the tool go long. RankX AI expands up to 20 seed terms into as many as 1,000 related keywords per run, then the Question keywords filter, the Local Keywords preset (useful for local SEO) and a maximum volume filter pull out long-tail keyword opportunities: the specific, lower-volume searches. Long-tail keywords are rarely the biggest numbers, so sort by opportunity: business relevance and intent carry 50 of its 100 points, search demand 25. What makes a keyword long-tail has the definition.

Yes, as ideas. The Competitor Domain run reads any domain, a rival’s or your own, and returns the keywords Google Ads relates to that site’s content, with search volume, intent, ad competition and an opportunity score, for 35 credits. It does not report the positions that site holds. For positions, add your competitors to your website in RankX AI and they are flagged in every Google results page your rank tracking stores.

Keyword gap analysis compares the keywords a competitor ranks for with the ones you rank for, and the terms only they hold are the gap. RankX AI gives you the inputs to read that gap: a Competitor Domain run on each site shows the keyword ideas each one’s content attracts, rank tracking records your own positions, and every stored results page flags your saved competitors, so you can see who sits above you on the terms you track.

RankX AI’s opportunity score is a 0 to 100 ordering of the list, built from 5 weighted signals: business relevance out of 30 points, search demand out of 25, intent alignment out of 20, trend momentum out of 15 and commercial signal out of 10. The breakdown is always visible, so you can see exactly why a term scored what it did, and when a signal is missing the score is marked partial rather than quietly topped up. A score of 70 or more reads as a strong opportunity, 40 to 69 as moderate, and below 40 as limited.

Four places. Seed Keywords expands up to 20 terms of your own into related searches. Competitor Domain reads any domain and returns the keyword ideas Google Ads relates to it. Trends Research shows what is moving. And at setup, RankX AI offers keyword suggestions for your website, including searches it already ranks for. Every search is set per country and language, and past runs stay in your history to reopen.

No. Save keywords to a list, snapshot the list as a report, and generate a public link your client can open without an account. The link can be revoked at any time, and the list also exports as CSV when someone wants the raw rows. Reports are snapshots, so what you sent stays what they see even after the live list moves on.

It becomes work in one click: add it to the Rank Tracker, save it to a list, create a task with the term attached, or choose Write about this to open Content Studio with the keyword filled in. Every keyword also has its own page showing an overview of its numbers and its Google Trends history.

For Google, and through Trends for YouTube and Google Shopping too. RankX AI’s keyword research measures Google search demand: volumes, intent and ad competition come from Google Ads keyword data. Trends Research reaches further, comparing up to 5 keywords’ Google Trends interest on Web Search, News, YouTube or Google Shopping. For Amazon, app store or social keyword data, pair it with a marketplace or social tool. And when the searcher is talking to an AI assistant rather than a search box, the way to find the questions people ask AI assistants is prompt research.

When the list stops being the hard part of the keyword research process. Free keyword research tools are fine for a first brainstorm and a one-off volume check. A paid keyword research tool earns its cost when you need to compare hundreds of ideas on one scale, judge them against your own business, share the plan with a client and track the ones you choose. With RankX AI that starts on the free 7-day trial, no card needed, whose 1,000 credits cover 28 fresh seed runs.

Keyword research is on every plan and spends credits from the same wallet as everything else. A fresh Seed Keywords run costs 35 credits, a Competitor Domain run 35, and intent and relevance classification adds 2 when the results need an AI pass. A Trends analysis costs 2, and repeating a recent search is free from cache. Plans start at $49 a month, and the full rate table is on the pricing page.