urlchecker: Run CRAN URL Checks from Older R Versions

Provide the URL checking tools available in R 4.1+ as a package for earlier versions of R. Also uses concurrent requests so can be much faster than the serial versions.

Package details

AuthorR Core team [aut] (The code in urltools.R adapted from the tools package), Jim Hester [aut] (ORCID: <https://orcid.org/0000-0002-2739-7082>), Gábor Csárdi [aut, cre], Posit Software, PBC [cph, fnd] (ROR: <https://ror.org/03wc8by49>)
MaintainerGábor Csárdi <csardi.gabor@gmail.com>
LicenseGPL-3
Version2.0.0
URL https://github.com/r-lib/urlchecker https://urlchecker.r-lib.org/
Package repositoryView on CRAN
Installation Install the latest version of this package by entering the following in R:
install.packages("urlchecker")

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urlchecker documentation built on July 8, 2026, 5:07 p.m.