What This Site Is Built With
Provide a domain and see a grouped list of the technical components detectable on that site's public pages: content management system, framework, analytics, CDN, server and advertising tools.
- Output in categories
- Suited to competitor analysis
- No server login required
Run the tool right here on the page
Reveals a site's content-management system, analytics stack, CDN, and other technical components.
- What it costs $0.026
- Data source DataForSEO
The short answer
Every site leaves technical marks across its public pages: file names, response headers, third-party scripts, path shapes. The tool reads those marks and works out which tools the site is built on, without entering its server.
The primary purpose is knowing the competitor, but not in the common sense. Whether their platform is WordPress or something custom says nothing on its own about their rankings. The real signal in this list is budget: a commercial CDN, an A/B testing tool and a marketing automation platform running together mean there is money behind that site that the one next to it lacks. Fighting that site on the same keywords is a different equation.
The second case is the cost-estimating stage of a project. The moment a client asks for a rebuild, check what the current site is built on before you set the proposal. Rebuilding a WordPress site and rebuilding a site on a closed platform are two separate jobs, and the difference in hours is often as big as the whole project.
A third case is mentioned less: uncovering forgotten pieces. A site that has passed between teams for years usually carries two live analytics tools at once, plus a pixel from a campaign that ended last year and a chat widget nobody has answered in ages. Each one is a network request forced on every visitor, indefinitely.
The data source and method
Draws on DataForSEO domain_analytics/technologies and identifies items from the technical signature of the site's public pages; it will not necessarily catch every installed tool.
The situations where it helps
Before you propose a platform switch to a client, or to learn which tools a competitor is built on.
Where it falls short
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.
A lesson from working with 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
There is no monthly subscription. You raise the wallet balance, and the price of each run is written on the button before you press it; without a run there is no deduction.
Common questions about this tool
Can I find out which plugins my competitor uses?
Only those that leave a detectable mark on the public page. A plugin that puts no file or class into the output stays invisible to the tool. So always read the list as at minimum these, not exactly these.
What if my site technology is detected wrongly?
Most likely a piece of your site mimics the signature of a different product, or a CDN has reshaped the output. It is simply a detection error and does no harm to your site.
How does knowing a competitor platform help SEO?
Directly, none. Indirectly, it shows you the budget and the publishing speed you face, and that is what settles which keywords are worth the fight and which are better dropped.