In web searches, "author tags" and "canonical tags" can be used to improve search results. These tags tell search engines who authored a piece of content and which page is the authoritative (or “canonical”) version if duplicates exist.
This page provides information about the use of these tags by listing brokers and by multiple listing services on behalf of listing brokers.
Why the MLS Needs to Tell Google Who Owns the Listing
In this blog post, Bill Lublin of REreflections.com explains how adding two fields to the property data collected by the MLS would improve SEO for real estate firms and help present a true picture in advertising.
Does owning the listing entitle you to “own” the address in Google?
This blog post by Todd Carpenter of RealtyNex.us discusses whether or not a broker's website should be at the top of search results for a particular address. Is the broker, or a syndicator, the true "source" of the listing?
Canonical Tag Best Practices
Cory Howell of PM Digital explains why a canonical tag should be considered any time duplicate content is anticipated.
Time to Tell Google Who Owns the Listing
On the Inman News blog, Gahlord Dewald outlines why implementing author tags would benefit the entire real estate industry.
Getting SEO Credit For Listings Using the Canonical Tag: Implementation
In this post, Matt Cohen of Clareity lays out logistical considerations of implementing canonical tags for MLS listings.