What Is This Site Built With
Give it a domain and see a grouped list of the technologies detectable on that site public pages: content management system, framework, analytics, CDN, server and advertising tools.
- Grouped output
- Built for competitor research
- No server access needed
Run the tool right here
See a site's CMS, analytics, CDN, and other tools.
- What it costs $0.025
- Data source DataForSEO
The short answer
Every site leaves a technical trace on its own public pages: file names, response headers, third party scripts and path patterns. This tool reads those traces and tells you what the site is built with, without needing any access to its server.
Its main use is competitor research, though not in the way people usually imagine. Whether your competitor runs on WordPress or a bespoke platform says nothing on its own about their rankings. What actually falls out of this list is their investment: a site carrying a commercial CDN, an A/B testing tool and a marketing automation platform has a budget behind it that the site next to it does not. Competing with that site on the same keywords is a different decision.
The second use is before you quote a project. When a client says they want the site redesigned, look at what it is built on before you write the proposal. A WordPress site and a site on a closed platform are two entirely different projects, and the gap between them in time estimates is usually the size of the whole project.
There is a third use that gets mentioned less: finding what was forgotten. On sites that have changed hands over the years you routinely find two live analytics tools, an advertising pixel from a campaign that ended last year and a chat widget nobody answers any more. Each one is a network request imposed on every visitor, forever.
Where the data comes from
Uses DataForSEO domain_analytics/technologies, detected from the technical signature of the site's public pages; it may not identify every installed tool.
When it helps
Before suggesting a platform change to a client, or to see what tools a competitor uses.
Where it does not help
Detection works from the technical signature of public pages, so anything that leaves no signature is not seen. A site sitting behind a full CDN, or rewriting its output entirely, may return a shorter list than what it actually uses. The other place it falls short is Iranian platforms: local site builders and plugins are usually absent from the international signature database, so an Iranian site may be identified as simply WordPress with none of the local tools on top of it. A technology missing from the list is not evidence that it is missing from the site.
One thing we learned using it
When you see two live analytics tools on a site, it usually does not mean anybody deliberately wanted both. It means one agency left, the next arrived, and the old snippet was never removed. Before any argument about traffic numbers, check this first: two snippets mean two different reports that will never agree, and the argument about which one is right takes months.
What it costs
No monthly subscription. You top up a wallet and the price of a run is printed on the button before you press it; if you never run it, nothing is deducted.
Questions about this tool
Can I find out which plugins my competitor uses?
Only the ones that leave a detectable trace on the public page. A plugin that adds no file or class to the output is not visible. So always read the list as at least these, not exactly these.
What if my site technology is detected wrongly?
Most likely something on your site mimics another product signature, or a CDN has altered the output. That is a detection error and it breaks nothing on your site.
How does knowing a competitor platform help SEO?
Directly, not at all. Indirectly, it tells you what budget and publishing speed you are up against. That shapes the decision of which keywords are worth fighting for and which are better left alone.