diff --git a/about/index.html b/about/index.html
index 4110bcf..0724ec3 100644
--- a/about/index.html
+++ b/about/index.html
@@ -25,7 +25,7 @@
     <!-- meta tags: _______________________________________________________ -->
     <meta id="meta_title"
           name="title"
-          content="Air Quality Stripes">
+          content="Air Quality Stripes: About">
     <meta id="meta_desc"
           name="description"
           content="">
@@ -34,7 +34,7 @@
           content="summary_large_image">
     <meta id="twit_title"
           name="twitter:title"
-          content="Air Quality Stripes">
+          content="Air Quality Stripes: About">
     <meta id="twit_desc"
           name="twitter:description"
           content="">
@@ -46,7 +46,7 @@
           content="website">
     <meta id="og_title"
           name="og:title"
-          content="Air Quality Stripes">
+          content="Air Quality Stripes: About">
     <meta id="og_desc"
           name="og:description"
           content="">
diff --git a/acknowledgements/index.html b/acknowledgements/index.html
index 6e96347..65bc54b 100644
--- a/acknowledgements/index.html
+++ b/acknowledgements/index.html
@@ -25,7 +25,7 @@
     <!-- meta tags: _______________________________________________________ -->
     <meta id="meta_title"
           name="title"
-          content="Air Quality Stripes">
+          content="Air Quality Stripes: Acknowledgements">
     <meta id="meta_desc"
           name="description"
           content="">
@@ -34,7 +34,7 @@
           content="summary_large_image">
     <meta id="twit_title"
           name="twitter:title"
-          content="Air Quality Stripes">
+          content="Air Quality Stripes: Acknowledgements">
     <meta id="twit_desc"
           name="twitter:description"
           content="">
@@ -46,7 +46,7 @@
           content="website">
     <meta id="og_title"
           name="og:title"
-          content="Air Quality Stripes">
+          content="Air Quality Stripes: Acknowledgements">
     <meta id="og_desc"
           name="og:description"
           content="">
diff --git a/contact/index.html b/contact/index.html
index f30d84c..f7c43af 100644
--- a/contact/index.html
+++ b/contact/index.html
@@ -25,7 +25,7 @@
     <!-- meta tags: _______________________________________________________ -->
     <meta id="meta_title"
           name="title"
-          content="Air Quality Stripes">
+          content="Air Quality Stripes: Contact">
     <meta id="meta_desc"
           name="description"
           content="">
@@ -34,7 +34,7 @@
           content="summary_large_image">
     <meta id="twit_title"
           name="twitter:title"
-          content="Air Quality Stripes">
+          content="Air Quality Stripes: Contact">
     <meta id="twit_desc"
           name="twitter:description"
           content="">
@@ -46,7 +46,7 @@
           content="website">
     <meta id="og_title"
           name="og:title"
-          content="Air Quality Stripes">
+          content="Air Quality Stripes: Contact">
     <meta id="og_desc"
           name="og:description"
           content="">
diff --git a/dashboard/index.html b/dashboard/index.html
index 0f5a9da..c8acaa9 100644
--- a/dashboard/index.html
+++ b/dashboard/index.html
@@ -25,7 +25,7 @@
     <!-- meta tags: _______________________________________________________ -->
     <meta id="meta_title"
           name="title"
-          content="Air Quality Stripes">
+          content="Air Quality Stripes: Dashboard">
     <meta id="meta_desc"
           name="description"
           content="">
@@ -34,7 +34,7 @@
           content="summary_large_image">
     <meta id="twit_title"
           name="twitter:title"
-          content="Air Quality Stripes">
+          content="Air Quality Stripes: Dashboard">
     <meta id="twit_desc"
           name="twitter:description"
           content="">
@@ -46,7 +46,7 @@
           content="website">
     <meta id="og_title"
           name="og:title"
-          content="Air Quality Stripes">
+          content="Air Quality Stripes: Dashboard">
     <meta id="og_desc"
           name="og:description"
           content="">
diff --git a/faq/index.html b/faq/index.html
index e5996ab..2917cb1 100644
--- a/faq/index.html
+++ b/faq/index.html
@@ -25,7 +25,7 @@
     <!-- meta tags: _______________________________________________________ -->
     <meta id="meta_title"
           name="title"
-          content="Air Quality Stripes">
+          content="Air Quality Stripes: FAQ">
     <meta id="meta_desc"
           name="description"
           content="">
@@ -34,7 +34,7 @@
           content="summary_large_image">
     <meta id="twit_title"
           name="twitter:title"
-          content="Air Quality Stripes">
+          content="Air Quality Stripes: FAQ">
     <meta id="twit_desc"
           name="twitter:description"
           content="">
@@ -46,7 +46,7 @@
           content="website">
     <meta id="og_title"
           name="og:title"
-          content="Air Quality Stripes">
+          content="Air Quality Stripes: FAQ">
     <meta id="og_desc"
           name="og:description"
           content="">
diff --git a/js/stripes.js b/js/stripes.js
index 1eecd64..d37ccac 100644
--- a/js/stripes.js
+++ b/js/stripes.js
@@ -348,30 +348,6 @@ function update_location() {
   meta_title.content = meta_title_val;
   var meta_desc = document.getElementById('meta_desc');
   meta_desc.content = meta_desc_val;
-  /* twitters tags: */
-  var twit_title = document.getElementById('twit_title');
-  twit_title.content = meta_title_val;
-  var twit_desc = document.getElementById('twit_desc');
-  twit_desc.content = meta_desc_val;
-  var twit_img = document.getElementById('twit_img');
-  twit_img.content = meta_img_val;
-  var twit_url = document.createElement('meta');
-  twit_url.id = 'twit_url';
-  twit_url.name = 'twitter:url';
-  twit_url.content = meta_url_val;
-  page_head.appendChild(twit_url);
-  /* opengraph tags: */
-  var og_title = document.getElementById('og_title');
-  og_title.content = meta_title_val;
-  var og_desc = document.getElementById('og_desc');
-  og_desc.content = meta_desc_val;
-  var og_img = document.getElementById('og_img');
-  og_img.content = meta_img_val;
-  var og_url = document.createElement('meta');
-  og_url.id = 'og_url';
-  og_url.name = 'og:url';
-  og_url.content = meta_url_val;
-  page_head.appendChild(og_url);
   /* update sharing links: */
   var twit_share = document.getElementById('twit_share');
   twit_share.href = 'https://twitter.com/intent/tweet?text=' +
diff --git a/stripes/index.html b/stripes/index.html
index caaecf7..64c73ba 100644
--- a/stripes/index.html
+++ b/stripes/index.html
@@ -29,30 +29,6 @@
     <meta id="meta_desc"
           name="description"
           content="">
-    <meta id="twit_card"
-          name="twitter:card"
-          content="summary_large_image">
-    <meta id="twit_title"
-          name="twitter:title"
-          content="Air Quality Stripes">
-    <meta id="twit_desc"
-          name="twitter:description"
-          content="">
-    <meta id="twit_img"
-          name="twitter:image"
-          content="https://airqualitystripes.info/img/icon/icon.png">
-    <meta id="og_type"
-          name="og:type"
-          content="website">
-    <meta id="og_title"
-          name="og:title"
-          content="Air Quality Stripes">
-    <meta id="og_desc"
-          name="og:description"
-          content="">
-    <meta id="og_img"
-          name="og:image"
-          content="https://airqualitystripes.info/img/icon/icon.png">
   <!-- head end:___________________________________________________________ -->
   </head>
   <!-- body start: ________________________________________________________ -->