Quick answer
Gzipped sitemaps save bandwidth.
Sitemap Gzip
Gzipped sitemaps save bandwidth. Server must serve with Content-Encoding: gzip.
Common causes
- Wrong Content-Encoding.
- Broken gzip.
How to fix
- Serve .xml.gz with gzip encoding.
- Validate decompression.
FAQ
- Gzip sitemap?
- Yes, optional.
- Extension?
- .xml.gz.
Fix it now
Try in validator (prefill this example)