What are some alternatives?
When comparing OpenGraphTags and MetaTagsTool.com, you can also consider the following products
OpenGraphTool.com - Open Graph Checker Tool
MetaTagTool.com - Meta Tag & Open Graph Tag Generator, Simulator, & Analyzer
Majestic - Majestic - Link intelligence tools for SEO and Internet PR and Marketing. Site Explorer shows inbound link and site summary data.
MetaTagTools.com - Meta Tag Analyzer and Generator
Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.
Google - Google Search, also referred to as Google Web Search or simply Google, is a web search engine developed by Google. It is the most used search engine on the World Wide Web