Great article by Shirley Ong who thoroughly describes six options of parallel web UI test automation, showing the pros and cons of each approach.
PS. It's a premium article on Medium, so if you can't access it, simply open the link in a private tab.
If you think the test automation's return on investment can only be measured in hours saved, Ali Khalid may make you think again. He made me, at least, and I like this alternative point of view.
Most testers new to automation tend to dive in to finding tools for their work. Reaching for tools first is usually a huge mistake.
Great piece by Dennis Martinez explaining why it's better to learn about what you'll test before you learn what you'll use to test.
A very insightful story of how John Selawsky trained 8 Manual Testers into Test Automation Engineers in just 3 months. You may like the mentioned resources!
There's no doubt that treating test code as production code is one of the best practices you can have. Paulo Casanova shares his code examples that can help you design a test framework at a production level of code quality.