Schema.org is a collaborative standard for structured-data markup. Google, Microsoft, Yahoo and Yandex support it. Used to encode web content in a structured format.
Schema.org is a 2011 collaboration between major search engines (Google, Bing, Yahoo, Yandex) that defines the vocabulary and format for structured data. Examples: https://schema.org/Article, https://schema.org/Product, https://schema.org/Recipe. Each schema defines properties (e.g. Article has: headline, image, datePublished, author, content). Markup: a <script type="application/ld+json"> JSON object with schema types and properties. Schema.org is the standard: all search engines recognize and use it for rich results and knowledge.
Schema.org = a universal format. It is the only markup format that all search engines recognize and use. Proper schema = Google rich results, featured snippets, Knowledge Graph.
Source: Schema.orgStructured data is HTML code (JSON-LD, microdata) that tells Google information about the content (article, event, recipe, product) for featured snippets and rich results.
A featured snippet is the box that appears above Google's organic results — "Position 0" — showing a direct answer to a question, extracted from one of the indexed pages.
Technical SEO covers the optimizations of your site's infrastructure — crawlability, indexing, loading speed, HTTPS and data structure — that let Google find and understand your pages.
Core Web Vitals are 3 technical Google metrics — LCP, INP and CLS — that measure page user experience and have been official ranking factors since 2021.
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