diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0fd2c0ab..8e7c9241 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 
 - Fix an unclosed `<p>` tag in `page__hero.html`, near `page.header.actions`.
 - Remove overlay and revert X to hamburger icon when popup disappears. [#3958](https://github.com/mmistakes/minimal-mistakes/pull/3958)
+- Fix SEO title when it contains a vertical bar. [#3094](https://github.com/mmistakes/minimal-mistakes/pull/3094) [#3113](https://github.com/mmistakes/minimal-mistakes/pull/3113)
 
 ### Enhancements
 
@@ -18,6 +19,7 @@
 - Add popup parameter to `{% include figure %}` to enable Magnific Popup. [#3119](https://github.com/mmistakes/minimal-mistakes/pull/3119)
 - Add target attribute for navigation link. [#3056](https://github.com/mmistakes/minimal-mistakes/pull/3056)
 - Split schema to a separate include file. [#3085](https://github.com/mmistakes/minimal-mistakes/pull/3085)
+- Cleanup `_includes/seo.html`.
 
 ### Documentation & Maintenance
 
diff --git a/_includes/seo.html b/_includes/seo.html
index be147858..8c2f6f72 100644
--- a/_includes/seo.html
+++ b/_includes/seo.html
@@ -1,10 +1,5 @@
 <!-- begin _includes/seo.html -->
-{%- if site.url -%}
-  {%- assign seo_url = site.url | append: site.baseurl -%}
-{%- endif -%}
-{%- assign seo_url = seo_url | default: site.github.url -%}
-
-{% assign title_separator = site.title_separator | default: '-' %}
+{%- assign title_separator = site.title_separator | default: '-' -%}
 
 {%- assign page_title = page.title | default: site.title | replace: '|', '&#124;' -%}
 {%- assign seo_title = page_title | append: " " | append: title_separator | append: " " | append: site.title | replace: '|', '&#124;' -%}
@@ -12,11 +7,7 @@
 {%- assign page_title = page_title | markdownify | strip_html | strip_newlines | escape_once -%}
 {%- assign seo_title  = seo_title  | markdownify | strip_html | strip_newlines | escape_once -%}
 
-{% if page.canonical_url %}
-  {%- assign canonical_url = page.canonical_url %}
-{% else %}
-  {%- assign canonical_url = page.url | replace: "index.html", "" | absolute_url %}
-{% endif %}
+{%- assign canonical_url = page.canonical_url | default: page.url | replace: "/index.html", "/" | absolute_url %}
 
 {%- assign seo_description = page.description | default: page.excerpt | default: site.description -%}
 {%- if seo_description -%}
@@ -30,14 +21,9 @@
   {%- assign author_twitter = author.twitter | replace: "@", "" -%}
 {%- endif -%}
 
-{%- assign page_large_image = page.header.og_image | default: page.header.overlay_image | default: page.header.image | absolute_url -%}
-{%- assign page_large_image = page_large_image | escape -%}
-
-{%- assign page_teaser_image = page.header.teaser | default: site.og_image | absolute_url -%}
-{%- assign page_teaser_image = page_teaser_image | escape -%}
-
-{%- assign site_og_image = site.og_image | absolute_url -%}
-{%- assign site_og_image = site_og_image | escape -%}
+{%- assign page_large_image = page.header.og_image | default: page.header.overlay_image | default: page.header.image | absolute_url | escape -%}
+{%- assign page_teaser_image = page.header.teaser | default: site.og_image | absolute_url | escape -%}
+{%- assign site_og_image = site.og_image | absolute_url | escape -%}
 
 {%- if page.date -%}
   {%- assign og_type = "article" -%}
diff --git a/docs/_docs/18-history.md b/docs/_docs/18-history.md
index 6431cf5d..8dbfa9de 100644
--- a/docs/_docs/18-history.md
+++ b/docs/_docs/18-history.md
@@ -5,7 +5,7 @@ permalink: "/docs/history/"
 excerpt: Change log of enhancements and bug fixes made to the theme.
 sidebar:
   nav: docs
-last_modified_at: '2024-05-05T17:36:29+08:00'
+last_modified_at: '2024-05-05T18:13:22+08:00'
 toc: false
 ---
 
@@ -21,6 +21,7 @@ toc: false
 
 - Fix an unclosed `<p>` tag in `page__hero.html`, near `page.header.actions`.
 - Remove overlay and revert X to hamburger icon when popup disappears. [#3958](https://github.com/mmistakes/minimal-mistakes/pull/3958)
+- Fix SEO title when it contains a vertical bar. [#3094](https://github.com/mmistakes/minimal-mistakes/pull/3094) [#3113](https://github.com/mmistakes/minimal-mistakes/pull/3113)
 
 ### Enhancements
 
@@ -33,6 +34,7 @@ toc: false
 - Add popup parameter to `{% include figure %}` to enable Magnific Popup. [#3119](https://github.com/mmistakes/minimal-mistakes/pull/3119)
 - Add target attribute for navigation link. [#3056](https://github.com/mmistakes/minimal-mistakes/pull/3056)
 - Split schema to a separate include file. [#3085](https://github.com/mmistakes/minimal-mistakes/pull/3085)
+- Cleanup `_includes/seo.html`.
 
 ### Documentation & Maintenance