diff --git a/Gemfile.lock b/Gemfile.lock
deleted file mode 100644
index 4cb338c..0000000
--- a/Gemfile.lock
+++ /dev/null
@@ -1,291 +0,0 @@
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activesupport (7.1.3)
-      base64
-      bigdecimal
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      connection_pool (>= 2.2.5)
-      drb
-      i18n (>= 1.6, < 2)
-      minitest (>= 5.1)
-      mutex_m
-      tzinfo (~> 2.0)
-    addressable (2.8.6)
-      public_suffix (>= 2.0.2, < 6.0)
-    base64 (0.2.0)
-    bigdecimal (3.1.6)
-    coffee-script (2.4.1)
-      coffee-script-source
-      execjs
-    coffee-script-source (1.12.2)
-    colorator (1.1.0)
-    commonmarker (0.23.10)
-    concurrent-ruby (1.2.3)
-    connection_pool (2.4.1)
-    csv (3.2.8)
-    dnsruby (1.70.0)
-      simpleidn (~> 0.2.1)
-    drb (2.2.0)
-      ruby2_keywords
-    em-websocket (0.5.3)
-      eventmachine (>= 0.12.9)
-      http_parser.rb (~> 0)
-    ethon (0.16.0)
-      ffi (>= 1.15.0)
-    eventmachine (1.2.7)
-    execjs (2.9.1)
-    faraday (2.9.0)
-      faraday-net_http (>= 2.0, < 3.2)
-    faraday-net_http (3.1.0)
-      net-http
-    ffi (1.16.3)
-    forwardable-extended (2.6.0)
-    gemoji (4.1.0)
-    github-pages (229)
-      github-pages-health-check (= 1.18.2)
-      jekyll (= 3.9.4)
-      jekyll-avatar (= 0.8.0)
-      jekyll-coffeescript (= 1.2.2)
-      jekyll-commonmark-ghpages (= 0.4.0)
-      jekyll-default-layout (= 0.1.5)
-      jekyll-feed (= 0.17.0)
-      jekyll-gist (= 1.5.0)
-      jekyll-github-metadata (= 2.16.1)
-      jekyll-include-cache (= 0.2.1)
-      jekyll-mentions (= 1.6.0)
-      jekyll-optional-front-matter (= 0.3.2)
-      jekyll-paginate (= 1.1.0)
-      jekyll-readme-index (= 0.3.0)
-      jekyll-redirect-from (= 0.16.0)
-      jekyll-relative-links (= 0.7.0)
-      jekyll-remote-theme (= 0.4.3)
-      jekyll-sass-converter (= 1.5.2)
-      jekyll-seo-tag (= 2.8.0)
-      jekyll-sitemap (= 1.4.0)
-      jekyll-swiss (= 1.0.0)
-      jekyll-theme-architect (= 0.2.0)
-      jekyll-theme-cayman (= 0.2.0)
-      jekyll-theme-dinky (= 0.2.0)
-      jekyll-theme-hacker (= 0.2.0)
-      jekyll-theme-leap-day (= 0.2.0)
-      jekyll-theme-merlot (= 0.2.0)
-      jekyll-theme-midnight (= 0.2.0)
-      jekyll-theme-minimal (= 0.2.0)
-      jekyll-theme-modernist (= 0.2.0)
-      jekyll-theme-primer (= 0.6.0)
-      jekyll-theme-slate (= 0.2.0)
-      jekyll-theme-tactile (= 0.2.0)
-      jekyll-theme-time-machine (= 0.2.0)
-      jekyll-titles-from-headings (= 0.5.3)
-      jemoji (= 0.13.0)
-      kramdown (= 2.4.0)
-      kramdown-parser-gfm (= 1.1.0)
-      liquid (= 4.0.4)
-      mercenary (~> 0.3)
-      minima (= 2.5.1)
-      nokogiri (>= 1.13.6, < 2.0)
-      rouge (= 3.30.0)
-      terminal-table (~> 1.4)
-    github-pages-health-check (1.18.2)
-      addressable (~> 2.3)
-      dnsruby (~> 1.60)
-      octokit (>= 4, < 8)
-      public_suffix (>= 3.0, < 6.0)
-      typhoeus (~> 1.3)
-    html-pipeline (2.14.3)
-      activesupport (>= 2)
-      nokogiri (>= 1.4)
-    http_parser.rb (0.8.0)
-    i18n (1.14.1)
-      concurrent-ruby (~> 1.0)
-    jekyll (3.9.4)
-      addressable (~> 2.4)
-      colorator (~> 1.0)
-      em-websocket (~> 0.5)
-      i18n (>= 0.7, < 2)
-      jekyll-sass-converter (~> 1.0)
-      jekyll-watch (~> 2.0)
-      kramdown (>= 1.17, < 3)
-      liquid (~> 4.0)
-      mercenary (~> 0.3.3)
-      pathutil (~> 0.9)
-      rouge (>= 1.7, < 4)
-      safe_yaml (~> 1.0)
-    jekyll-avatar (0.8.0)
-      jekyll (>= 3.0, < 5.0)
-    jekyll-coffeescript (1.2.2)
-      coffee-script (~> 2.2)
-      coffee-script-source (~> 1.12)
-    jekyll-commonmark (1.4.0)
-      commonmarker (~> 0.22)
-    jekyll-commonmark-ghpages (0.4.0)
-      commonmarker (~> 0.23.7)
-      jekyll (~> 3.9.0)
-      jekyll-commonmark (~> 1.4.0)
-      rouge (>= 2.0, < 5.0)
-    jekyll-default-layout (0.1.5)
-      jekyll (>= 3.0, < 5.0)
-    jekyll-feed (0.17.0)
-      jekyll (>= 3.7, < 5.0)
-    jekyll-gist (1.5.0)
-      octokit (~> 4.2)
-    jekyll-github-metadata (2.16.1)
-      jekyll (>= 3.4, < 5.0)
-      octokit (>= 4, < 7, != 4.4.0)
-    jekyll-include-cache (0.2.1)
-      jekyll (>= 3.7, < 5.0)
-    jekyll-mentions (1.6.0)
-      html-pipeline (~> 2.3)
-      jekyll (>= 3.7, < 5.0)
-    jekyll-optional-front-matter (0.3.2)
-      jekyll (>= 3.0, < 5.0)
-    jekyll-paginate (1.1.0)
-    jekyll-readme-index (0.3.0)
-      jekyll (>= 3.0, < 5.0)
-    jekyll-redirect-from (0.16.0)
-      jekyll (>= 3.3, < 5.0)
-    jekyll-relative-links (0.7.0)
-      jekyll (>= 3.3, < 5.0)
-    jekyll-remote-theme (0.4.3)
-      addressable (~> 2.0)
-      jekyll (>= 3.5, < 5.0)
-      jekyll-sass-converter (>= 1.0, <= 3.0.0, != 2.0.0)
-      rubyzip (>= 1.3.0, < 3.0)
-    jekyll-sass-converter (1.5.2)
-      sass (~> 3.4)
-    jekyll-seo-tag (2.8.0)
-      jekyll (>= 3.8, < 5.0)
-    jekyll-sitemap (1.4.0)
-      jekyll (>= 3.7, < 5.0)
-    jekyll-swiss (1.0.0)
-    jekyll-theme-architect (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-cayman (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-dinky (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-hacker (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-leap-day (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-merlot (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-midnight (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-minimal (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-modernist (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-primer (0.6.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-github-metadata (~> 2.9)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-slate (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-tactile (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-time-machine (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-titles-from-headings (0.5.3)
-      jekyll (>= 3.3, < 5.0)
-    jekyll-watch (2.2.1)
-      listen (~> 3.0)
-    jemoji (0.13.0)
-      gemoji (>= 3, < 5)
-      html-pipeline (~> 2.2)
-      jekyll (>= 3.0, < 5.0)
-    kramdown (2.4.0)
-      rexml
-    kramdown-parser-gfm (1.1.0)
-      kramdown (~> 2.0)
-    liquid (4.0.4)
-    listen (3.8.0)
-      rb-fsevent (~> 0.10, >= 0.10.3)
-      rb-inotify (~> 0.9, >= 0.9.10)
-    mercenary (0.3.6)
-    minima (2.5.1)
-      jekyll (>= 3.5, < 5.0)
-      jekyll-feed (~> 0.9)
-      jekyll-seo-tag (~> 2.1)
-    minimal-mistakes-jekyll (4.24.0)
-      jekyll (>= 3.7, < 5.0)
-      jekyll-feed (~> 0.1)
-      jekyll-gist (~> 1.5)
-      jekyll-include-cache (~> 0.1)
-      jekyll-paginate (~> 1.1)
-      jekyll-sitemap (~> 1.3)
-    minitest (5.22.1)
-    mutex_m (0.2.0)
-    net-http (0.4.1)
-      uri
-    nokogiri (1.16.2-x86_64-linux)
-      racc (~> 1.4)
-    octokit (4.25.1)
-      faraday (>= 1, < 3)
-      sawyer (~> 0.9)
-    pathutil (0.16.2)
-      forwardable-extended (~> 2.6)
-    public_suffix (5.0.4)
-    racc (1.7.3)
-    rb-fsevent (0.11.2)
-    rb-inotify (0.10.1)
-      ffi (~> 1.0)
-    rexml (3.2.6)
-    rouge (3.30.0)
-    ruby2_keywords (0.0.5)
-    rubyzip (2.3.2)
-    safe_yaml (1.0.5)
-    sass (3.7.4)
-      sass-listen (~> 4.0.0)
-    sass-listen (4.0.0)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-    sawyer (0.9.2)
-      addressable (>= 2.3.5)
-      faraday (>= 0.17.3, < 3)
-    simpleidn (0.2.1)
-      unf (~> 0.1.4)
-    terminal-table (1.8.0)
-      unicode-display_width (~> 1.1, >= 1.1.1)
-    typhoeus (1.4.1)
-      ethon (>= 0.9.0)
-    tzinfo (2.0.6)
-      concurrent-ruby (~> 1.0)
-    unf (0.1.4)
-      unf_ext
-    unf_ext (0.0.9.1)
-    unicode-display_width (1.8.0)
-    uri (0.13.0)
-    webrick (1.8.1)
-
-PLATFORMS
-  x86_64-linux
-
-DEPENDENCIES
-  csv
-  github-pages
-  jekyll
-  jekyll-avatar
-  jekyll-feed
-  jekyll-include-cache
-  jekyll-paginate
-  minimal-mistakes-jekyll
-  tzinfo
-  tzinfo-data
-  webrick
-
-BUNDLED WITH
-   2.4.10
diff --git a/_config.yml b/_config.yml
index 33effcc..439591a 100644
--- a/_config.yml
+++ b/_config.yml
@@ -61,12 +61,6 @@ facebook:
   app_id                 :
   publisher              :
 og_image                 : # Open Graph/Twitter default site image
-# For specifying social profiles
-# - https://developers.google.com/structured-data/customize/social-profiles
-social:
-  type                   : # Person or Organization (defaults to Person)
-  name                   : # If the user or organization name differs from the site's name
-  links: # An array of links to social media profiles
 
 # Analytics
 analytics:
@@ -75,7 +69,6 @@ analytics:
     tracking_id          : G-SG7PY00SP7
     anonymize_ip         : true
 
-
 # Site Author
 author:
   name             : "Tommaso De Marchi"
@@ -90,9 +83,6 @@ author:
     - label: "Twitter"
       icon: "fab fa-fw fa-twitter-square"
       url: "https://twitter.com/tdm_dema"
-    - label: "Facebook"
-      icon: "fab fa-fw fa-facebook-square"
-      # url: "https://facebook.com/"
     - label: "GitHub"
       icon: "fab fa-fw fa-github"
       url: "https://github.com/tdmdema"
@@ -109,9 +99,6 @@ footer:
     - label: "GitHub"
       icon: "fab fa-fw fa-github"
       url: "https://github.com/tdmdema"
-    - label: "GitLab"
-      icon: "fab fa-fw fa-gitlab"
-      url: "https://github.com/tdmdema"
     - label: "Instagram"
       icon: "fab fa-fw fa-instagram"
       url: "https://www.instagram.com/tdm_dema/"