Website technology checkerLookups

Website technology checker. See what a site is built with.

Type a domain and get the technologies detected on it, such as the CMS, CDN, analytics, frameworks and hosting, each with its category, a one line description and its website. Detection reads the public site, so tools behind a login may not show.

1 provider in the catalog

Live price

reading live price

A domain
you give it
1
providers
per call
billing

Try it now

Run website technology checker here

Each run costs you nothing and is limited per hour. The results come from public data through looot. Heavier or repeated use belongs on your own looot account.

A domain or a URL. Public websites only.

Each run is free to you and limited per hour. The data is public. Powered by looot. Run it on your own looot account for heavier or repeated use.

Run it from your agent

Copy one prompt, give it to your agent.

Fill in the placeholder, paste it, and the agent runs the same job on your looot account and shows the cost. It can take a whole list, which the box above does not.

  • You give it: a domain.
  • Billed per call, nothing while your agent is idle.
  • The agent shows the price before it calls.
Prompt: Website technology checker
Use looot to profile the tech stack of these companies: [paste the domains]. 1. Set up https://looot.ai/skill.md. 2. Search the catalog for a website technology endpoint and check its price before you call. 3. Run it once per domain. 4. Return a table with each domain, its CMS, analytics, hosting and ecommerce tools, and one line on what the stack says about the company.

Give this to your agent
Setup command
set up looot for Website technology checker - https://looot.ai/free-tools/website-technology-checker/skill.md

What comes back

What your agent gets from website technology checker

Field names as the providers return them. The exact set varies by endpoint, and your agent reads it from the catalog.

  • technology name
  • category
  • one line description
  • the technology's website

Providers

Who can do this job today

Your agent picks the endpoint. These providers offer one right now, with the live price of their cheapest.

Use it for

What people do with website technology checker

  • Scout a prospect

    See whether a company runs a given CMS, shop or analytics tool before you reach out.

  • Compare competitors

    Check which frameworks, CDN and analytics a rival site uses.

  • Enrich a lead list

    Have your agent add the stack of every domain in a list.

  • Agent research

    Give an agent a domain and let it read the stack before it writes a pitch.

Set up once

Three steps. Your agent does the rest.

Keep going

More free tools

FAQ

Questions about website technology checker

Type the domain in the box at the top of this page and press the button. You get a table of the technologies detected, with their category, a short description and a link.

Yes. It costs you nothing and needs no account, and it is limited per hour. For a list of domains, your agent runs the same lookup on your own looot account.

When the CMS leaves traces in the public site, yes: it shows up with the category CMS. A headless or custom CMS can leave no trace, and then it is missing from the table.

Detection reads what the public site exposes. Tools behind a login, on the server only or loaded after a click often leave no trace. Treat the table as what is visible, not the full stack.

From Tomba's technology lookup, through the looot catalog. The provider and the live price show on this page.

The site may block automated visits or have no detectable technology. Try the main domain without a path or a subdomain.

Yes. Copy the prompt above with your list. The agent runs one lookup per domain and returns a single table.

Copy the prompt above into Claude, Cursor or any agent with the looot skill. It finds the technology endpoint, shows the price and builds the table for you.
For agents
tool
Website technology checker
category
Lookups
input
A domain
output
technology name, category, one line description, the technology's website
endpoint
tomba: tomba-technology
price
per call, read live from the catalog on the web page
web tool
runs live on the page, free to the visitor and limited per hour
schedule
on demand
setup
https://looot.ai/free-tools/website-technology-checker/skill.md
llms.txt
https://looot.ai/llms.txt
updated
2026-10-14
markdown /free-tools/website-technology-checker.md

Run website technology checker from your own agent.

The box on this page is limited per hour. Start your workspace, top up, and paste the prompt into the agent you already use for lists and repeated runs.

Start your workspace See all free tools