Posted by RoyhThis post was originally in YouMoz, and was promoted to the main blog because it provides great value and interest to our community. The author's views are entirely his or her own and may not reflect the views of Moz, Inc.The sitelinks search box (schema.org/SearchAction) is one of the most popular markups out there. According to SimilarTech, there are now more than 650,000 sites that have implemented this markup, making it one of the most popular of all schema markup types.
That said, we don'...