Google has recently announced that it is going to create a separate mobile index which will be the primary index that the search engine uses to respond to queries. A separate desktop version will also maintained.
This information was obtained from Gary Illyes, a webmaster analyst with Google, at Pubcon. Illyes didn’t give a timeline in his press release, but in a follow-up with Search Engine Land, he confirmed that it would happen within a few months.
Google first announced that it was experimenting with the idea of a mobile index last year at SMX East. Since that time, Google has obviously decided that a separate mobile and desktop index would be beneficial moving forward, especially now that mobile has over taken desktop search volume.
The most substantial change will likely be that by having a mobile index, Google can run its ranking algorithm in a different fashion across “pure” mobile content rather than the current system that extracts data from desktop content to determine mobile rankings.
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