atomster

Your keywords, all the way to published pages.

Atomster is an independent SEO studio in Lille. Two freemium products, and the consulting practice of Antoine Thomas.

SRC 1 λ 78 px f 3.00 Hz

Coloseo

Your keyword lists, grouped into actionable clusters — with no setup beforehand.

A keyword export is 5,000 rows before you know it. Sorting it by hand in a spreadsheet takes days, duplicates and variants blur everything, and prioritising turns into guesswork. You import your list, Coloseo clusters it by topic and by intent: you leave with a plan, not a spreadsheet.

coloseo.app · freemium, no card required

  • Bulk import

    Paste or import your keywords as CSV, from Search Console or the tools you already use. No artificial cap on format.

  • Automatic clustering

    The heart of Coloseo: keywords are categorised and grouped by topic and search intent, with no configuration beforehand.

  • Readable prioritisation

    Every cluster is weighted — combined volume, keyword count, opportunity. You know where to start.

  • Export into your workflow

    Take your clusters out as CSV, ready for your editorial calendar or your tracking tool. Nothing locked in.

Octopus

Your Shopify catalogue’s long tail, turned into published pages.

Your catalogue hides hundreds of long-tail queries: “green linen dress”, “vegan trainers men size 46”. Nobody has time to build those pages by hand, so the traffic goes to the big marketplaces instead. You import your keywords, Octopus generates the pages from your catalogue, links them together and publishes them.

seoctopus.app · freemium, free trial

  • Bulk keyword import

    Import your list as CSV: Octopus turns it into pages, either as product collections or as editorial content. Cannibalisation detection removes duplicates before generation.

  • Content templates

    Page templates you control: titles, copy, product listings. No duplicate content, no empty pages.

  • Publishing & internal linking

    Pages are published straight to Shopify with their metadata and internal links. Import progress tracked in real time.

  • Careful indexing

    An HTML sitemap is generated automatically, and 301 redirects are created when a page is removed. You stay in control.

The studio

Lille, France

Antoine Thomas, SEO consultant in Lille and founder of Atomster

Antoine Thomas

Independent SEO consultant

There is one person behind Atomster. Antoine has spent years working with online retailers and product teams on their search visibility, along one constant line: SEO that is clear, measurable, and talks about revenue rather than jargon.

The studio’s tools come from that work. Coloseo grew out of needing to cluster keyword lists without losing days to it; Octopus, out of the long tail that Shopify catalogues leave asleep. Built for his own client work, proven there, then released as products.

antoine-thomas.fr

News

Studio log

Atomster

The studio site goes live

Atomster has a roof at last: both products and the studio gathered in one place.

Octopus

Octopus released

The Shopify searchdexing app is live: import your keywords and Octopus generates the long-tail pages from your catalogue. Freemium, at seoctopus.app.

Coloseo

Coloseo released

The keyword clustering toolkit is open: import a raw list, get actionable clusters back. Freemium, at coloseo.app.

A question, a project?

A question about the tools, a consulting brief, a press request: one address is enough.

[email protected]

LinkedIn · Antoine Thomas

Usually a reply within 48 h.