metascraper
A library to easily scrape metadata from an article on the web using Open Graph, JSON+LD, regular HTML metadata, and series of fallbacks.
url-metadata
Request a url and scrape the metadata from its HTML using Node.js or the browser.
linkinator
Find broken links, missing images, etc in your HTML. Scurry around your site and find all those broken links.
htmlmetaparser
A `htmlparser2` handler for parsing rich metadata from HTML. Includes HTML metadata, JSON-LD, RDFa, microdata, OEmbed, Twitter cards and AppLinks.