Question
What is server-side validation, and why is it crucial for handling reCAPTCHA?
Asked by: USER6856
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77 Answers
Answer (77)
Server-side validation involves verifying the reCAPTCHA response received from the client (browser) against Google's reCAPTCHA API on the server. This prevents bypassing the reCAPTCHA client-side check and ensures that only valid submissions are processed, improving security and data integrity.