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diff --git a/extra/sitemap/README.md b/extra/sitemap/README.md new file mode 100644 index 00000000..6963bb1f --- /dev/null +++ b/extra/sitemap/README.md @@ -0,0 +1,23 @@ + +Google has a limit of 50k lines / 10 MByte for text sitemap files, and 50K +lines / 50 MByte for XML site map files. + +With a baseline of 100 million entities, that requires an index file pointing +to at least 2000x individual sitemaps. 3 hex characters is 12 bits, or 4096 +options; seems like an ok granularity to start with. + +Should look in to what archive.org does to generate their sitemap.xml, seems +simple, and comes in batches of exactly 50k. + +## Text Sitemaps + +Should be possible to create simple text-style sitemaps, one URL per line, and +link to these from a sitemap index. This is appealing because the sitemaps can +be generated very quickly from identifier SQL dump files, run through UNIX +commands (eg, to split and turn into URLs). Some script to create an XML +sitemap index to point at all the sitemaps would still be needed though. + + +## Resources + +Google sitemap verifier: https://support.google.com/webmasters/answer/7451001 |