Add html-proofer & fix errors from it

Author: Carlgo11

.travis.yml

@@ -1,4 +1,6 @@
+sudo: false
 matrix:
+  fast_finish: true
   include:
     - language: php
       php:
@@ -13,11 +15,15 @@ matrix:
       cache:
         directories:
           - $HOME/.composer/cache
-      sudo: false
     - language: ruby
       rvm:
         - 2.4.1
-      cache: bundler
+      cache:
+        bundler: true
+        directories: $TRAVIS_BUILD_DIR/tmp/.htmlproofer
       before_install:
         - cd frontend
-      sudo: true
+      script:
+        - bundle exec rake proof build
+notifications:
+  email: false

frontend/Gemfile

@@ -3,7 +3,6 @@ source 'https://rubygems.org'
 # Dependencies are bundled with the github-pages gem
 gem 'github-pages', group: :jekyll_plugins
 
-gem 'diff-lcs', platforms: :mswin
 gem 'diffy'
 gem 'fastimage'
 gem 'html-proofer'

frontend/Gemfile.lock

@@ -263,7 +263,6 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  diff-lcs
   diffy
   fastimage
   github-pages

frontend/Rakefile

@@ -22,6 +22,15 @@ task :build do
     Jekyll::Commands::Build.build site, config
 end
 
+task proof: 'build' do
+  HTMLProofer.check_directory(
+    './_site', \
+    assume_extension: true, \
+    check_html: true, \
+    disable_external: true
+  ).run
+end
+
 task :clean do
   puts 'Cleaning up _site...'.bold
   Jekyll::Commands::Clean.process({})

frontend/_config.yml

@@ -3,7 +3,7 @@ description: ""
 url: "tempfiles.carlgo11.com"
 permalink: pretty
 markdown: kramdown
-img: img/favicon.png
+img: /img/favicon.png
 exclude:
   - Gemfile
   - Gemfile.lock

frontend/_layouts/default.html

@@ -19,7 +19,7 @@
 <nav class="navbar navbar-inverse navbar-static-top">
     <div class="container">
         <div class="navbar-header">
-            <a class="navbar-brand" href="/"><img src="/img/logo.svg" id="logo"></a><a class="navbar-brand nocolor" href="/">TempFiles</a>
+            <a class="navbar-brand" href="/"><img src="/img/logo.svg" id="logo" alt="logo"></a><a class="navbar-brand nocolor" href="/">TempFiles</a>
         </div>
         <div class="custom-control custom-switch noselect" id="dark-button">
             <input type="checkbox" class="custom-control-input" id="dark_button">