diff --git a/.travis.yml b/.travis.yml
index 08c7337..6e6eb26 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,28 +15,28 @@ php:
   - 5.4
   - 5.5
   - 5.6
+  - 7
   - hhvm
   
 branches:
   only:
     - "7.x-1.x"
     - "8.x-1.x"
+    
+cache:
+  apt: true
+  directories:
+    - $HOME/drupal-ti-cache
 
 matrix:
   fast_finish: true
   allow_failures:
-    - php: 5.6
     - php: hhvm
-  exclude:
+    - php: 7
+  include:
   # Don't need to test twice on all versions, PHP 5.4 is enough.
-    - php: 5.3
-      env: DRUPAL_TI_RUNNERS="phpunit"
-    - php: 5.5
-      env: DRUPAL_TI_RUNNERS="phpunit"
-    - php: 5.6
-      env: DRUPAL_TI_RUNNERS="phpunit"
-    - php: hhvm
-      env: DRUPAL_TI_RUNNERS="phpunit"
+    - php: 5.4
+      env: DRUPAL_TI_RUNNERS="phpunit" DRUPAL_TI_SAVE_CACHE="0"
 
 env:
   global:
@@ -66,8 +66,21 @@ env:
     # Debug options
     #- DRUPAL_TI_DEBUG="-x -v"
 
+    # Cache options
+    # Use this variable to use another cache directory, usually not needed to be changed.
+    - DRUPAL_TI_CACHE_DIR="$HOME/drupal-ti-cache/"
+    # Set to 0 or comment out to disable cache loading.
+    - DRUPAL_TI_LOAD_CACHE="1"
+    # Set to 0 to disable cache saving, useful with many variants.
+    # Note: Setting this to "0" will remove the .casher directory to
+    #       avoid race conditions between builds.
+    - DRUPAL_TI_SAVE_CACHE="1"
+    # Setup dirs to cache relative to another environment variable.
+    - DRUPAL_TI_CACHE_DIRS_HOME=".composer|.drush|.dist"
+    - DRUPAL_TI_CACHE_DIRS_TRAVIS_BUILD_DIR="tests/vendor"
+
   matrix:
-    - DRUPAL_TI_RUNNERS="phpunit"
+    #- DRUPAL_TI_RUNNERS="phpunit"
     - DRUPAL_TI_RUNNERS="phpunit simpletest"
 
 mysql:
@@ -76,9 +89,22 @@ mysql:
   encoding: utf8
 
 before_install:
-  - cd ./tests
+  # Restore home directory from cache.
+  - mkdir -p "$DRUPAL_TI_CACHE_DIR"/HOME
+  - if [ "$DRUPAL_TI_LOAD_CACHE" = "1" ]; then rsync -a "$DRUPAL_TI_CACHE_DIR"/HOME/ "$HOME/"; fi
+
+  # Update composer
   - composer self-update
-  - composer global require "lionsad/drupal_ti:dev-master"
+
+  # Download drupal_ti  - if not cached
+  - if [ -f "$HOME/.composer/vendor/bin/drupal-ti" ]; then composer global install; else composer global require "lionsad/drupal_ti:dev-master"; fi
+
+  # Restore caches from $DRUPAL_TI_CACHE_DIR/TRAVIS_BUILD_DIR to $TRAVIS_BUILD_DIR
+  # Note: HOME dir was already synced manually above.
+  - drupal-ti --load-cache TRAVIS_BUILD_DIR
+
+  # Setup tests
+  - cd ./tests
   - drupal-ti before_install
 
 install:
@@ -90,6 +116,21 @@ before_script:
 script:
   - drupal-ti script
 
+  # Syncs $DRUPAL_TI_CACHE_DIRS_{*} to $DRUPAL_TI_CACHE_DIR/{*}
+  # Has internal optimizations for .composer and .drush.
+  - drupal-ti --save-cache TRAVIS_BUILD_DIR HOME
+
+  # Do some manual caching as well
+  - if [ "$DRUPAL_TI_SAVE_CACHE" = "1" ]; then rsync -a composer.{json,lock} "$DRUPAL_TI_CACHE_DIR"/TRAVIS_BUILD_DIR/tests/; fi
+
+  # Delete composer generated files that screw up cache detection.
+  - rm -f "$DRUPAL_TI_CACHE_DIR"/TRAVIS_BUILD_DIR/tests/.composer/vendor/composer/*.php
+  - rm -f "$DRUPAL_TI_CACHE_DIR"/TRAVIS_BUILD_DIR/tests/.composer/vendor/autoload.php
+
+  # Tests for differences and touches a file if any are detected (optional).
+  - du -sh "$DRUPAL_TI_CACHE_DIR"
+  - drupal-ti --sync-cache
+
 after_script:
   - drupal-ti after_script