Download websites that use AppDynamics

About AppDynamics

Enterprise application monitoring is close to invisible from the outside, which is the first thing to understand about any list of AppDynamics installations. The product instruments code on the server, and Analytics agents of that kind leave no trace in the HTML a visitor receives. What we can see is the browser side of the platform, the script that reports real user timings back to the collector, and only sites that switched that feature on carry it. As of October 2026 we detect the platform on 822 sites. The deployed base is larger than the figure suggests, and the gap is not random, because end user monitoring is turned on far more often for customer-facing storefronts and portals than for internal or API-only systems.

The lineage explains who the visible population contains. Released in 2008 and built first around Java instrumentation before it grew to cover .NET, PHP, Python and Node.js runtimes, AppDynamics was designed for tracing transactions across distributed systems. Cisco later acquired the company and folded the product into a wider observability portfolio, which pushed adoption further toward organisations already buying networking and security from the same supplier. A site carrying the agent is therefore rarely a small project. Banks, insurers, retailers, carriers and public sector portals dominate, and the deployment sits behind a procurement process rather than a developer's preference.

Because the licence is Proprietary and sold per agent and per host, an installation implies an active contract, a renewal cycle and a team whose job is application performance. For a competing observability vendor the set is a qualified target list rather than a marketing audience. For an integrator or consultancy the set maps accounts with mature operations practices and budget to match. For a security researcher the tag marks pages where an additional third party script executes in production, which is a supply chain question worth asking whoever the vendor happens to be.

None of that is answerable one domain at a time. A lookup tool confirms whether a single site loads the agent, which you usually already suspect before you check. The dataset answers the cohort questions instead: which sectors and which country domains cluster around the platform, what CDN, web server and tag manager appear beside it, and how the population moves between snapshots as contracts are won and lost. Those movements are the part a researcher sizing a market or building a prospect list actually needs, and they only become visible when the whole detected set sits in one file.