Template html edits do not invalidate cache until ttl expires or purge runs.

Rendered output is deterministic per request and cache key.

All text blocks are loaded from local files for quick replacement.

Hit cache responses skip render entirely for lowest latency paths.

Zh en map longest match replacement handles multi character industry terms.

Client ip detection checks common proxy headers before remote addr.

Title and description switches allow quick experiments with encoding and transforms.

Updating spider ip ranges is part of routine search ops maintenance.

Error reporting is suppressed at entry for production friendly output charset.

Data placeholders can be reused across homepage and list style pages.