20 Demo Sites for Automation Testing in 2025



In an age where test stability and realistic practice environments can make all the difference, having a curated set of demo sites to sharpen your automation skills is a huge advantage. Demo Dazzle’s article 20 Demo Sites for Automation Testing in 2025 lays out an excellent mix of options chosen for variety, realism, and usefulness. Below is a condensed guide to help you pick and use them effectively.

Why Use These Demo Sites

These playgrounds are ideal for practising without legal or reliability concerns. Some are intentionally buggy, others simulate production apps, and many are tailored for tools like Selenium, Playwright, or Cypress. The idea is to rotate between simple and complex apps, practicing UI flows, API interactions, performance tests, and more.

Key Demo Site Types & Test Ideas

Here are some of the standout categories and what you can do with them:

  1. UI Component Playgrounds
     Practice basic forms, file uploads, redirects, tabs, and cookies. Great for learning selectors, waits, and handling flaky behaviors.

  2. Widget-Based Sites
     Offer a mix of nested frames, date pickers, drag-and-drop, and interactive elements. Useful for covering a wide range of small interactions and testing accessibility.

  3. E-commerce Simulations
     Mimic real checkout flows with product search, filtering, shopping carts, and payments. Ideal for practicing end-to-end flows and cross-browser testing.

  4. Security-Focused Apps
     Designed with intentional vulnerabilities, these are great for security regression, negative testing, and practicing safe handling of issues like injection or XSS.

  5. API-Only Platforms
     Perfect for CRUD operations, schema validation, authentication, and edge-case testing. Great for practising with tools like Postman or RestAssured.

  6. Micro-Apps & To-Do Lists
     Lightweight and fast to load, these apps are excellent for practicing state persistence, concurrency, and framework-based differences such as React, Angular, or Vue.

  7. Specialty Applications
     Cover areas such as banking, CMS, healthcare, accessibility, and localization. They allow you to test role-based access, workflows, media handling, ARIA roles, and internationalization scenarios.

  8. Performance & Load Targets
     Useful for stress testing and analyzing throughput, while mobile-focused demos help you practice gestures, orientation changes, and offline behaviors.

How to Get the Most Out of These Demos

Here are some practical tips to maximize your practice sessions:

  • Begin with happy paths before adding negative tests and edge cases.

  • Isolate and manage test data by using resettable datasets or factories.

  • Address flakiness with smart waits, retries, and simulated delays.

  • Abstract selectors and use stable attributes to avoid brittle tests.

  • Combine fast unit and API tests with carefully chosen end-to-end scenarios.

  • Automate in CI pipelines, running smaller suites frequently and complete ones less often.

Suggested Learning / Practice Plan

If you want structure, here’s a sample rotation to follow:

  • Week 1: UI basics using forms, selectors, and small components.

  • Week 2: API fundamentals, focusing on CRUD operations and schema validation.

  • Week 3: End-to-end flows combining UI and API validation.

  • Week 4: Security and accessibility testing.

  • Week 5: Performance and load testing.

  • Week 6: Mobile and micro-apps, scaling up to more complex cases.

Final Thoughts

Using public demo sites is a safe, productive way to grow test automation skills. The key is variety—UI, API, security, performance—and rotating environments so you’re exposed to different challenges. Treat flaky behavior as a design opportunity rather than a blocker, and you’ll build more reliable automation suites.

For the complete list of 20 recommended sites, along with detailed links, test ideas, and tool recommendations, check out the full article here: 20 Demo Sites for Automation Testing in 2025



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