Micro- or semantic markup - these are specialized tags and attributes embedded in web page code for the purpose of communication search robots about the possibility of extracting certain information from it.
Micro-markup makes it possible to display website pages in the issuance of more attractive for search engines.
As a result of its use, structured data are allocated, on the basis of which the so-called extended snippets, which may contain additional elements such as:
- contacts;
- ratings;
- authorship;
- date of creation and / or updating of page content;
- posters;
- recipes, etc.
All the listed data can be indicated on the page without using micro-unit, but in this case searchable botam it will be difficult enough to determine the purpose of a particular information.
To create semantic markings, only specially designed standards can be used. The most popular and search engine-supported micro-label standard is Schema.org.