This means that old results are removed from the SERPs and replaced with new content, but not just any content: content of the same type (an old image will be replaced with a new one, a blog post with another blog post, and so on). Knowing this can be useful in a critical way, that is, reasoning on the fact that I can replace a content by creating a new one that must however be of the same type.
The elimination of an old result is not certain, however, because the self-learning algorithms will evaluate whether, despite its non-freshness, the resource can be useful for the user . Google Analytics Realtime Search and tools like Topsy can provide you with useful indications in this regard, that is, to verify what content is being published on a certain topic.
4# Entity
If previously all the ways of writing a word peru phone number were analyzed, now these ways are grouped into a single entity
Google entities are collections of places, people, and things , very precise information that stores more data on a given topic.
Entities: How Google Gathers Results
The Knowledge Graph that appears in search results is a bridge between what the user is looking for and the information that Google has , that is, all the entities present in its databases.
SERP: Google's 3Ps
With the expression "the 3Ps of Google" we refer to 3 fundamental characteristics of the process through which the search engine provides results for a query: