Is Selenium Headless the Best Way to Run Automated Tests Without a GUI? or How Reliable is Selenium H

Selenium headless *can* be faster, but it’s not magic. The biggest win is running it on a server without a GUI.

If you’re on local, meh.

For the random fails—check your driver logs. Often it’s some timing issue or a missing dependency.

Also, `--no-sandbox` and `--disable-gpu` sometimes help.