Table of contents Frankly, end-to-end testing and synthetic monitoring are challenging in today’s JavaScript-heavy world. There’s so much asynchronous JavaScript code running in modern applications that getting tests stable can be a real headscratcher. That’s why many teams rely on testing mission-critical features and treat “testing the rest” as a nice to have. It’s a typical cost-effort decision.
If you’re into monitoring, Prometheus is probably an essential part of your stack. Thanks to its expressive query language (PromQL), scalability, and configurable data format, it remains one of the most popular tools for data collection. Paired with Prometheus exporters, the tool can adapt to a variety of surroundings, which is one of its strongest points.
A spicy article hit my inbox the other day. It came with a bold claim — “API testing is better than UI testing”. Absolutes like “A is better than B” rarely hold in the software world. “It depends” is the answer to most tech questions for a reason. Let’s compare API and UI testing and discuss why one isn’t better than the other. The frenemies are “just different”, and always will be. And that’s a good thing.
Today’s a big day at Checkly; we’re thrilled to announce that next to Browser and API checks we released a brand new check type to monitor your apps — say “Hello” to Heartbeat checks! In the realm of software, ensuring uninterrupted functionality is critical. While synthetic monitoring helps you discover user-facing problems early, keeping a close eye on the signals coming from your backend can be just as vital.
