language: ruby
rvm:
- 2.1

install: bundle install && gem install html-proofer

script: bundle exec jekyll build && htmlproof ./_site

env:
  global:
  - NOKOGIRI_USE_SYSTEM_LIBRARIES=true # speeds up installation of html-proofer

language: ruby
cache: bundler
rvm:
- 2.1

install: bundle install && gem install html-proofer

script: bundle exec jekyll build && htmlproof ./_site

env:
  global:
  - NOKOGIRI_USE_SYSTEM_LIBRARIES=true # speeds up installation of html-proofer

Enable bundler caching on Travis
Enable bundler caching on Travis