Inspect one endpoint's served certificate, expiry, hostname coverage, and accepted TLS versions.
Free
Scanned where there is a package or repository to read, and every release diffed against the tool surface we already hold.
Inspect one endpoint's served certificate, expiry, hostname coverage, and accepted TLS versions.
Parse WebVTT, SRT, or TTML for conformance, timing, overlaps, line length, and reading speed.
Run EPUBCheck for EPUB specification errors and compare two exports.