Free
Cheatsheets and free tools.
One page references you will keep open while you work, and tools to practise with.
XPath and CSS selectors, side by side
Every common locator as CSS and as XPath: by id, class, attribute, text, position, parent and sibling, with when to use which in Selenium and Playwright.
Severity vs priority, settled
Severity is how badly a bug breaks the product; priority is how soon it must be fixed. Definitions, levels, who sets each, and the four combinations with examples.
API Lab
Send real requests and solve graded API challenges in your browser.
Roadmap builder
A week by week SDET plan sized to the hours you have.
LinkedIn review
Ask for a public review of your profile.