seodata.dev / blog

2026-10-06

ChatGPT SEO and Claude SEO: research ideas with real search volume

ChatGPT and Claude are good at brainstorming, but they can’t see how many people actually search for an idea. Ask one for the search volume of a keyword and you get a guess. Give it a search volume tool and it can check.

We tried that with a question founders ask a lot: “I’m building a website builder for small businesses. Which market should I localize for first?” Claude, connected to the seodata.dev MCP server, looked up the numbers across Germany, France, Spain and Brazil and answered: localize for Germany first.

The reason was a single word.

Local phrases get far more searches than "website builder" in Germany, Brazil, France and Spain

In Germany, “website builder” gets about 2,900 searches a month, while “website erstellen” gets 27,100. In Brazil it’s 720 against 18,100 for “criar site”. A word-for-word translation of an English landing page would target the smallest number on that chart.

A few other things the data showed:

The full write-up covers what search volume, CPC and competition tell you, the six-step workflow we use with ChatGPT and Claude, and the prompts to copy:

Read the full article on Medium →

To try it yourself, connect seodata.dev to Claude or ChatGPT using the MCP setup guide.