diff --git a/assets/sass/components/_footer.scss b/assets/sass/components/_footer.scss
index db198bd9..f9253dea 100644
--- a/assets/sass/components/_footer.scss
+++ b/assets/sass/components/_footer.scss
@@ -11,7 +11,6 @@ footer {
   color: $color-light;
   border-top: 1px solid $color-super-light;
 
-  /* stylelint-disable-next-line no-descending-specificity */
   a {
     color: inherit;
   }
diff --git a/assets/sass/pages/_list.scss b/assets/sass/pages/_list.scss
index 2bac2716..57b97d48 100644
--- a/assets/sass/pages/_list.scss
+++ b/assets/sass/pages/_list.scss
@@ -9,20 +9,17 @@ main#list {
   section.year {
     font-size: 1.1em;
 
-    /* stylelint-disable-next-line no-descending-specificity */
     h2 {
       font-size: 1.8em;
       margin: 0;
     }
 
-    /* stylelint-disable-next-line no-descending-specificity */
     ul {
       list-style-type: none;
       padding-left: 0;
       display: block;
     }
 
-    /* stylelint-disable-next-line no-descending-specificity */
     li {
       display: flex;
 
@@ -38,12 +35,10 @@ main#list {
         clear: both;
       }
 
-      /* stylelint-disable-next-line no-descending-specificity */
       &:last-child {
         margin-bottom: 1.8em;
       }
 
-      /* stylelint-disable-next-line no-descending-specificity */
       + li {
         margin-top: 1.3em;
       }
diff --git a/layouts/partials/schema-article.html b/layouts/partials/schema-article.html
index 408f7f6f..f97eaf20 100644
--- a/layouts/partials/schema-article.html
+++ b/layouts/partials/schema-article.html
@@ -20,7 +20,7 @@
   "headline": {{ .Title }},
   "datePublished": {{ .PublishDate.Format "2006-01-02T15:04:05-07:00" }},
   "dateModified": {{ .PublishDate.Format "2006-01-02T15:04:05-07:00" }},
-  "keywords": "{{ with .Params.tags }}{{ range $index, $tag := . }}{{ if gt $index 0 }}, {{ end }}{{ $tag }}{{ end }}{{ end }}",
+  "keywords": {{ with .Params.tags }}{{ delimit . ", " }}{{ end }},
   "description": {{ if .Description }}{{ .Description }}{{ else }}{{ .Site.Params.description }}{{ end }},
   "wordCount": "{{ .WordCount }}",
   "author": {
diff --git a/package.json b/package.json
index dc3f8128..e341a95f 100644
--- a/package.json
+++ b/package.json
@@ -17,8 +17,9 @@
     "hugo:serve": "hugo server --buildDrafts --buildFuture --port 1313 --bind=0.0.0.0 --verbose",
     "docker:serve": "docker build -t jarv.is:develop -f Dockerfile . && docker run -v $(pwd):/src -p 1313:1313 jarv.is:develop",
     "netlify:serve": "netlify dev --command 'yarn hugo:serve'",
-    "optimize": "yarn optimize:html && yarn optimize:img",
+    "optimize": "yarn optimize:html && yarn optimize:css && yarn optimize:img",
     "optimize:html": "html-minifier --html5 --collapse-whitespace --preserve-line-breaks --minify-css --file-ext html --input-dir public --output-dir public **/*.html",
+    "optimize:css": "cleancss -O0 --format 'keep-breaks' -o public/style.css public/style.css",
     "optimize:img": "find public/ -type d -exec imagemin {}/* --plugin=jpegoptim --plugin=pngquant --plugin=optipng --plugin=svgo --plugin=gifsicle --out-dir={} \\;",
     "lint": "yarn lint:markdown; yarn lint:sass",
     "lint:markdown": "markdownlint content/notes/**/*.md",
@@ -28,6 +29,7 @@
   },
   "dependencies": {},
   "devDependencies": {
+    "clean-css-cli": "~4.3.0",
     "html-minifier": "~4.0.0",
     "imagemin-cli": "^5.0.0",
     "imagemin-gifsicle": "^6.0.1",
diff --git a/yarn.lock b/yarn.lock
index fbdd592e..2270bb53 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1345,6 +1345,15 @@ class-utils@^0.3.5:
     isobject "^3.0.0"
     static-extend "^0.1.1"
 
+clean-css-cli@~4.3.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/clean-css-cli/-/clean-css-cli-4.3.0.tgz#8502aa86d1879e5b111af51b3c2abb799e0684ce"
+  integrity sha512-8GHZfr+mG3zB/Lgqrr27qHBFsPSn0fyEI3f2rIZpxPxUbn2J6A8xyyeBRVTW8duDuXigN0s80vsXiXJOEFIO5Q==
+  dependencies:
+    clean-css "^4.2.1"
+    commander "2.x"
+    glob "7.x"
+
 clean-css@^4.2.1:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-4.2.1.tgz#2d411ef76b8569b6d0c84068dabe85b0aa5e5c17"
@@ -1553,7 +1562,7 @@ colors@^1.1.2:
   resolved "https://registry.yarnpkg.com/colors/-/colors-1.4.0.tgz#c50491479d4c1bdaed2c9ced32cf7c7dc2360f78"
   integrity sha512-a+UqTh4kgZg/SlGvfbzDHpgRu7AAQOmmqRHJnxhRZICKFUT91brVhNNt58CMWU9PsBbv3PDCZUHbVxuDiH2mtA==
 
-commander@^2.19.0, commander@^2.3.0, commander@~2.20.3:
+commander@2.x, commander@^2.19.0, commander@^2.3.0, commander@~2.20.3:
   version "2.20.3"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
   integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
@@ -3092,7 +3101,7 @@ glob-to-regexp@^0.3.0:
   resolved "https://registry.yarnpkg.com/glob-to-regexp/-/glob-to-regexp-0.3.0.tgz#8c5a1494d2066c570cc3bfe4496175acc4d502ab"
   integrity sha1-jFoUlNIGbFcMw7/kSWF1rMTVAqs=
 
-glob@^7.1.3, glob@^7.1.4, glob@^7.1.6, glob@~7.1.2:
+glob@7.x, glob@^7.1.3, glob@^7.1.4, glob@^7.1.6, glob@~7.1.2:
   version "7.1.6"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
   integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==