requires-port

Check if a protocol requires a certain port number to be added to an URL.

v1.0.0 URL: https://unpkg.com/requires-port@1.0.0/index.js

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port require http https ws wss gopher file ftp requires requried portnumber url parsing validation cows

is-ssh

Check if an input value is a ssh url or not.

v1.4.0 URL: https://unpkg.com/is-ssh@1.4.0/lib/index.js

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ssh url check parser

linkinator

Find broken links, missing images, etc in your HTML. Scurry around your site and find all those broken links.

v6.1.2 URL: https://unpkg.com/linkinator@6.1.2/index.js

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404 html hyperlink links seo url broken link checker broken link checker

dead-or-alive

check if urls are dead or alive

v1.0.4 URL: https://unpkg.com/dead-or-alive@1.0.4/index.js

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404 alive check dead link normalize url

is-relative

Returns `true` if the path appears to be relative.

v1.0.0 URL: https://unpkg.com/is-relative@1.0.0/index.js

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absolute check file filepath is normalize path path.relative relative resolve slash slashes uri url