GEM remote: https://rubygems.org/ specs: addressable (2.7.0) public_suffix (>= 2.0.2, < 5.0) ethon (0.12.0) ffi (>= 1.3.0) ffi (1.11.1) html-proofer (3.13.0) addressable (~> 2.3) mercenary (~> 0.3) nokogiri (~> 1.10) parallel (~> 1.3) rainbow (~> 3.0) typhoeus (~> 1.3) yell (~> 2.0) mercenary (0.3.6) mini_portile2 (2.4.0) nokogiri (1.10.4) mini_portile2 (~> 2.4.0) parallel (1.17.0) public_suffix (4.0.1) rainbow (3.0.0) typhoeus (1.3.1) ethon (>= 0.9.0) yell (2.2.0) PLATFORMS ruby DEPENDENCIES html-proofer BUNDLED WITH 1.17.2