400 Bad Request
Your request didn’t make sense—broken syntax or missing info means the server couldn’t process it.
What is 400 Bad Request?
A 400 Bad Request error means the server couldn’t understand the request—bad input, worse UX, and a red flag for devs.
Dive Deeper
HTTPThe old standard—transfers data across the web but lacks encryption. Most modern sites use HTTPS instead., Server Response, Status Code, ClientThe reason we do what we do—the client is the partner, the collaborator, and the audience we’re here to impress and grow with. Error, URL ParametersExtra bits added to a URL for tracking or filtering—used in analytics, but risky for crawl budget if overused.
