(PDF) (LaTeX)"
diff --git a/content/supporting-nwb/_index.md b/content/supporting-nwb/_index.md
index 36a611e..570ae32 100644
--- a/content/supporting-nwb/_index.md
+++ b/content/supporting-nwb/_index.md
@@ -1,5 +1,6 @@
---
title: Supporting NWB
+description: "Ways to help sustain NWB: advocate for funding, spread the word, add a testimonial, and give credit when you use open data."
hero_section:
enable: true
title: "Supporting NWB"
diff --git a/content/team/_index.md b/content/team/_index.md
index a2ee2dd..7f2fe46 100644
--- a/content/team/_index.md
+++ b/content/team/_index.md
@@ -1,5 +1,6 @@
---
title: "Team"
+description: "How NWB is governed, with the members of the Executive Board, the Technical Advisory Board, and the core development team."
governance_section:
enable: true
title: Governance Structure
diff --git a/content/working-groups/_index.md b/content/working-groups/_index.md
index 70b5d80..867fdef 100644
--- a/content/working-groups/_index.md
+++ b/content/working-groups/_index.md
@@ -1,5 +1,6 @@
---
title: Working Groups
+description: "NWB working groups curate the core standard, define ontologies, and integrate NWB with other community standards and tools."
banner_section:
enable: true
content: NWB is involved in several working groups to curate the core NWB
diff --git a/hugo.yaml b/hugo.yaml
index 9ca4513..95049e4 100644
--- a/hugo.yaml
+++ b/hugo.yaml
@@ -10,6 +10,13 @@ enableRobotsTXT: true
pagination:
pagerSize: 10
+# The site does not use taxonomies. Without this, Hugo builds unstyled
+# /tags/ and /categories/ pages that nothing links to and adds them to the
+# sitemap.
+disableKinds:
+ - taxonomy
+ - term
+
# Markup
markup:
goldmark:
diff --git a/layouts/partials/essentials/head.html b/layouts/partials/essentials/head.html
index 21fdfc4..4653070 100644
--- a/layouts/partials/essentials/head.html
+++ b/layouts/partials/essentials/head.html
@@ -2,6 +2,7 @@
+{{ partial "essentials/metadata.html" . }}
{{/* Title */}}
{{ if and .Title (not .IsHome) }}{{ .Title | plainify }} - {{ end }}{{ .Site.Title }}
@@ -21,6 +22,12 @@
{{/* Favicon */}}
+{{/* Canonical URL. The pages of the paginated news list all share one
+ .Permalink, so that list is left without a canonical link. */}}
+{{ if not (and .IsSection (eq .Section "news")) }}
+
+{{ end }}
+
{{/* Styles */}}
{{ $plugin := slice }}
{{ $plugin := $plugin | append (resources.Get "scss/plugins.scss" | resources.ExecuteAsTemplate "plugins.scss" . | toCSS) }}
diff --git a/layouts/partials/essentials/metadata.html b/layouts/partials/essentials/metadata.html
new file mode 100644
index 0000000..1058d13
--- /dev/null
+++ b/layouts/partials/essentials/metadata.html
@@ -0,0 +1,54 @@
+{{/*
+ Description and link preview tags.
+
+ The description is the first of these that is set: `description`, `summary`
+ (events) or `subtitle` (news) in the front matter, the start of the page
+ body, then `description` in config/_default/params.yaml.
+
+ The preview image is the page's `image` when it is a PNG or JPEG no wider
+ than 3.3:1. Wider logo strips lose most of their width when a preview crops
+ them, so those pages, like pages with a GIF or with no image, use
+ `shareImage` from the same file.
+*/}}
+{{ $title := site.Title }}
+{{ if and .Title (not .IsHome) }}
+ {{ $title = .Title | plainify | htmlUnescape | replaceRE `\s+` " " }}
+{{ end }}
+
+{{ $description := .Params.description | default .Params.summary | default .Params.subtitle | default .Summary | default site.Params.description }}
+{{ $description = $description | plainify | htmlUnescape | replaceRE `\s+` " " | truncate 200 }}
+{{ $description = trim $description " " }}
+
+{{ $image := site.Params.shareImage | absURL }}
+{{ $largeImage := true }}
+{{ with .Params.image }}
+ {{ if hasPrefix . "http" }}
+ {{ $image = . }}
+ {{ else }}
+ {{ $path := index (split . "#") 0 }}
+ {{ $file := printf "static%s" $path }}
+ {{ if and (findRE `(?i)\.(png|jpe?g)$` $path) (fileExists $file) }}
+ {{ $config := imageConfig $file }}
+ {{ $ratio := div (float $config.Width) $config.Height }}
+ {{ if le $ratio 3.3 }}
+ {{ $image = $path | absURL }}
+ {{ $largeImage = and (ge $ratio 1.5) (ge $config.Width 600) }}
+ {{ end }}
+ {{ end }}
+ {{ end }}
+{{ end }}
+
+
+
+
+
+
+
+{{ if and .IsPage (eq .Section "news") }}
+
+ {{ with .Date }}{{ end }}
+{{ else }}
+
+{{ end }}
+{{/* X reads the Open Graph tags above for everything except the card type. */}}
+
diff --git a/static/images/share-card.jpg b/static/images/share-card.jpg
new file mode 100644
index 0000000..401a877
Binary files /dev/null and b/static/images/share-card.jpg differ