Hello, Let's get to the point and start with some simple stats.
#1) There are over 342.4 million domain name registrations across all top-level domains according to Verisign.com.
#2) InternetLiveStats.com claims there are over 1.7 billion websites online right now.
While only 200 million sites are still active. We all know of a site (or 1.5 billion) that haven't been updated in years.
#3) Over 10 million sites use Schema.org to markup their web pages and email messages. - Schema.org
#4*) Open Graph is used by 42.7% of all the websites.
#5*) Twitter Cards is used by 25.8% of all the websites.
#6*) Meta-tag-based formats is used by 26.5% of all the websites.
*#4-6 are statistics based on the top 10 million websites tracked by w3techs.com
Okay. No more stats. It's to show you the limited number of actual sites that use the big four that help guide search engines and social media platforms with optimization and performance of their web products and services.
Let's take a look at big four that will help your search rankings and make posts to social media more convenient.
1) Meta Tags
Meta tags, or HTML elements, are codes of text that help search engines and website visitors better understand the content found on a website page.
2) Open Graph
Open Graph is a technology first introduced by Facebook in 2010 that allows integration between Facebook and its user data and a website.
By integrating Open Graph meta tags into your page's content, you can identify which elements of your page you want to show when someone share's your page.
3) Twitter Cards
Card properties are simple key-value pairs, each defined in an HTML meta tag.
The combined collection of properties defines the overall card experience on Twitter, and each card type supports and requires a specific set of properties.
4) Schema.org
Schema.org vocabulary can be used with many different encodings, including RDFa, Microdata and JSON-LD.
These vocabularies cover entities, relationships between entities and actions, and can easily be extended through a well-documented extension model.
Let's look at the big four using my website wadebach.com.
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