diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..3856f15
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,24 @@
+language: ruby
+rvm:
+- 2.3.3
+addons:
+  ssh_known_hosts: wolf.uberspace.de
+env:
+  global:
+  - NOKOGIRI_USE_SYSTEM_LIBRARIES=true
+sudo: false
+script: jekyll build && htmlproofer ./_site
+before_deploy:
+- openssl aes-256-cbc -K $encrypted_518a90de15e0_key -iv $encrypted_518a90de15e0_iv
+  -in deploy_ed25519.enc -out deploy_ed25519 -d
+- eval "$(ssh-agent -s)"
+- chmod 600 /tmp/deploy_ed25519
+- ssh-add /tmp/deploy_ed25519
+deploy:
+  provider: script
+  skip_cleanup: true
+  script:
+    - rsync -r --delete-after --quiet $TRAVIS_BUILD_DIR/.ssh martens7@wolf.uberspace.de:tmp/$TRAVIS_BUILD_ID
+    - ssh martens7@wolf.uberspace.de rm -rf tmp/old.build && mkdir tmp/old.build && mv html/* tmp/old.build/ && mv tmp/$TRAVIS_BUILD_ID/* html/
+  on:
+    branch: master
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
index 27205ae..48f4dd1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,6 +2,7 @@ source 'https://rubygems.org'
 # gem 'github-pages', group: :jekyll_plugins
 gem 'activesupport'
 # gem 'github-pages-health-check'
+gem 'html-proofer', group: :development
 gem 'jekyll'
 group :jekyll_plugins do
   gem 'autoprefixer-rails'
diff --git a/Gemfile.lock b/Gemfile.lock
index 479f442..9762e63 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,6 +19,7 @@ GEM
       execjs
     coffee-script-source (1.11.1)
     colorator (1.1.0)
+    colorize (0.8.1)
     commonmarker (0.17.7.1)
       ruby-enum (~> 0.5)
     concurrent-ruby (1.0.5)
@@ -36,6 +37,15 @@ GEM
     html-pipeline (2.7.1)
       activesupport (>= 2)
       nokogiri (>= 1.4)
+    html-proofer (3.7.6)
+      activesupport (>= 4.2, < 6.0)
+      addressable (~> 2.3)
+      colorize (~> 0.8)
+      mercenary (~> 0.3.2)
+      nokogiri (~> 1.8.1)
+      parallel (~> 1.3)
+      typhoeus (~> 0.7)
+      yell (~> 2.0)
     i18n (0.9.1)
       concurrent-ruby (~> 1.0)
     jekyll (3.6.2)
@@ -162,6 +172,7 @@ GEM
       mini_portile2 (~> 2.3.0)
     octokit (4.7.0)
       sawyer (~> 0.8.0, >= 0.5.3)
+    parallel (1.12.1)
     pathutil (0.16.1)
       forwardable-extended (~> 2.6)
     popper_js (1.12.9)
@@ -194,6 +205,7 @@ GEM
     tzinfo (1.2.4)
       thread_safe (~> 0.1)
     unicode-display_width (1.3.0)
+    yell (2.0.7)
 
 PLATFORMS
   ruby
@@ -202,6 +214,7 @@ DEPENDENCIES
   activesupport
   autoprefixer-rails
   bootstrap (~> 4.0.0.beta2)
+  html-proofer
   jekyll
   jekyll-assets
   jekyll-avatar
diff --git a/deploy_ed25519.enc b/deploy_ed25519.enc
new file mode 100644
index 0000000..44f3863
--- /dev/null
+++ b/deploy_ed25519.enc
@@ -0,0 +1,4 @@
+���$w���
�u*Uf۷4���V?��q�c�K!�+�h	�B�GS�-�'��@�*�P�:�-��g�q�s��,"U@C��7a�~�LӚ^�m��>|F��8��㦭&�3G�akjù�O�#��VYv&
+�;�d<��_�1N�>>���Lcc>�y���f3���H�z
+�
+O����Yrɛh`��4Q��F=�s��7m��?ޏ6�Β�/�T/��[y�!��N?�ӯK�!՝ц�F���&��< r~�ac-H>�\���tM��{Ɏ]*/�P��"�~���~�V�k
�BvM{5K�j硐ŨRS�%�3L�h��ي��,����O5�f`�
�x�~tQY�7���I{֋�~=k�z�:P��uU�%�@ݓx��1:ߩd����UO��)ADL��
\ No newline at end of file