SEO Improvements (#983)

* [site,seo][xs]: add custom _document with lang prop, add description to meta tags, make title larger

* [site,seo][xs]: add apple touch icon, add alt props to images

* [site,seo][xs]: add icon to default seo

* [site,seo][s]: implement next-sitemap

* [site,seo][s]: review page titles

* Rebuild package-lock.json files

* Regenerate package-lock

site/content/config.js

@@ -1,7 +1,7 @@
 const config = {
-  title: 'PortalJS',
+  title: 'PortalJS - The JavaScript framework for data portals.',
   description:
-    'PortalJS is a framework for rapidly building rich data portal frontends using a modern frontend approach. PortalJS can be used to present a single dataset or build a full-scale data catalog/portal.',
+    'PortalJS is a framework for rapidly building rich data portal frontends using a modern frontend approach.',
   theme: {
     default: 'dark',
     toggleIcon: '/images/theme-button.svg',
@@ -36,6 +36,10 @@ const config = {
   ],
   footerLinks: [],
   nextSeo: {
+    additionalLinkTags: [
+      { rel: 'icon', href: '/favicon.ico' },
+      { rel: 'apple-touch-icon', href: '/icon.png', sizes: '120x120' },
+    ],
     openGraph: {
       type: 'website',
       title:

site/content/guide/index.md

@@ -1,6 +1,8 @@
 ---
 showToc: false
 showSidebar: false
+title: "Markdown-based Websites Guide"
+disableTitle: true
 ---
 
 <Hero title="Markdown-based Websites" subtitle="Create markdown-based website, update it, add collaborators and discover markdown superpowers" />
@@ -79,4 +81,4 @@ Below is a screenshot of how the final website will look like:
 - Visit the site! Yay! Your changes are live! 🎉
 
 > [!tip]
-> Read full tutorial [[edit-a-website-locally|here!]]
+> Read full tutorial [[edit-a-website-locally|here!]]

site/content/howtos/index.md

@@ -1,4 +1,6 @@
-# Guides and tutorials
+---
+title: Guides and Tutorials
+---
 
 - [[howtos/analytics|How to add web analytics?]]
 - [[howtos/seo|How to customize page metadata for SEO?]]