Signed Upload URLs vs Proxy Uploads: Security and Cost Comparison

A practical guide to preventing file upload abuse with rate limits, quotas, type restrictions, and a repeatable review cycle.

A practical guide to estimating temporary upload storage, setting cleanup rules, and controlling staging bucket cost over time.

A practical guide to supporting folder uploads in the browser with relative paths, validation, compatibility planning, and fallback behavior.

A practical guide to file upload retries, idempotency keys, hashes, resumable sessions, and the metrics to track to avoid duplicates.

A practical guide to upload progress bars that stay accurate through stalls, retries, processing delays, and multi-file edge cases.

A practical workflow for web image uploads, covering format choice, compression, resizing, metadata, and maintenance.

Learn how to validate uploaded files in the browser for size, type, image dimensions, and basic integrity before sending them.

A reusable checklist for choosing between direct-to-cloud, proxy, and hybrid upload architectures as your product and infrastructure evolve.