Ask HN: What do you check before launching a web app?

I’ve been reviewing a lot of small SaaS, indie, and AI-built web apps recently, and I keep seeing the same pattern.The product often works. The landing page looks decent. But the boring launch-readiness basics are missing.Things like:unclear positioning above the fold missing security headers weak or missing privacy / terms pages no obvious trust signals poor mobile experience basic accessibility issues SEO metadata that has clearly been left until the end exposed implementation details in client-side bundles APIs that look like they may not be properly isolated or proxiedI’m curious what other people here check before they consider a web app “ready enough” to put in front of real users.Do you have a personal launch checklist?And for people who review a lot of early-stage products, what…

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