Using schema snippets markup is one of the On-Page SEO techniques and better serve its purpose to provide the most engaging SERP results and search relevancy.
JSON-LD is recommended.
I will write schema manually in JSON-LD following schema.org rules.
Benefits of Structured Data Rich snippets Markup :
This makes search engines understand your brand services products and ranks.
Provide users with the best possible information about your products and services.
Gig includes the following Schema Markups:
I will write advance schema rich markups for qualified entities present on web pages of your website and implement once and will work for lifetime.
Qualified Schema Entities Can Be like :