From 60c3e4fdbfe2cf9579dcf68f64ba92ff25cb0ff0 Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@libreserver.org>
Date: Mon, 2 May 2022 11:21:57 +0100
Subject: [PATCH 1/9] Semantic markup for posts

---
 webapp_post.py | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/webapp_post.py b/webapp_post.py
index 4716c3a11..4e989b8c6 100644
--- a/webapp_post.py
+++ b/webapp_post.py
@@ -1025,7 +1025,9 @@ def _announce_with_display_name_html(translate: {},
         'icons/repeat_inactive.png" ' + \
         'class="announceOrReply"/>\n' + \
         '        <a href="' + post_id + '" ' + \
-        'class="announceOrReply">' + announce_display_name + '</a>\n'
+        'class="announceOrReply">' + \
+        '<span itemprop="author">' + \
+        announce_display_name + '</span></a>\n'
 
 
 def _get_post_title_announce_html(base_dir: str,
@@ -1210,7 +1212,8 @@ def _get_reply_html(translate: {},
         'class="announceOrReply"/>\n' + \
         '        <a href="' + in_reply_to + \
         '" class="announceOrReply">' + \
-        reply_display_name + '</a>\n'
+        '<span itemprop="recipient">' + \
+        reply_display_name + '</span></a>\n'
 
 
 def _get_post_title_reply_html(base_dir: str,
@@ -1419,11 +1422,13 @@ def _get_footer_with_icons(show_icons: bool,
     footer_str += delete_str + mute_str + edit_str
     if not is_news_post(post_json_object):
         footer_str += '        <a href="' + published_link + '" class="' + \
-            time_class + '">' + published_str + '</a>\n'
+            time_class + '"><span itemprop="dateSent">' + \
+            published_str + '</span></a>\n'
     else:
         footer_str += '        <a href="' + \
             published_link.replace('/news/', '/news/statuses/') + \
-            '" class="' + time_class + '">' + published_str + '</a>\n'
+            '" class="' + time_class + '"><span itemprop="dateSent">' + \
+            published_str + '</span></a>\n'
     footer_str += '      </div>\n'
     footer_str += '      </nav>\n'
     return footer_str
@@ -1718,7 +1723,9 @@ def individual_post_as_html(signing_priv_key_pem: str,
             '        <a class="imageAnchor" href="/users/' + \
             nickname + '?options=' + post_actor + \
             ';' + str(page_number) + ';' + avatar_url + message_id_str + \
-            '">' + display_name + '</a>\n'
+            '">' + \
+            '<span itemprop="sender">' + display_name + '</span>' + \
+            '</a>\n'
     else:
         if not message_id:
             # pprint(post_json_object)
@@ -1729,11 +1736,12 @@ def individual_post_as_html(signing_priv_key_pem: str,
         if not actor_domain:
             # pprint(post_json_object)
             print('ERROR: no actor_domain')
+        actor_handle = actor_nickname + '@' + actor_domain
         title_str += \
             '        <a class="imageAnchor" href="/users/' + \
             nickname + '?options=' + post_actor + \
             ';' + str(page_number) + ';' + avatar_url + message_id_str + \
-            '">@' + actor_nickname + '@' + actor_domain + '</a>\n'
+            '">@<span itemprop="sender">' + actor_handle + '</span></a>\n'
 
     # benchmark 9
     _log_post_timing(enable_timing_log, post_start_time, '9')
@@ -2137,7 +2145,9 @@ def individual_post_as_html(signing_priv_key_pem: str,
                                      box_name, page_number)
             if post_is_sensitive and reaction_str:
                 reaction_str = '<br>' + reaction_str
-        post_html = '    <div id="' + timeline_post_bookmark + \
+        post_html = '    <div ' + \
+            'itemscope itemtype="http://schema.org/Message" ' + \
+            'id="' + timeline_post_bookmark + \
             '" class="' + container_class + '">\n'
         post_html += avatar_image_in_post
         post_html += '      <div class="post-title">\n' + \

From 139aad9de1ea4d3d20f6a1477f2325ebe8346619 Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@libreserver.org>
Date: Mon, 2 May 2022 12:00:22 +0100
Subject: [PATCH 2/9] Use socialmediapost semantics

---
 webapp_post.py | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/webapp_post.py b/webapp_post.py
index 4e989b8c6..92e2177a4 100644
--- a/webapp_post.py
+++ b/webapp_post.py
@@ -1212,7 +1212,7 @@ def _get_reply_html(translate: {},
         'class="announceOrReply"/>\n' + \
         '        <a href="' + in_reply_to + \
         '" class="announceOrReply">' + \
-        '<span itemprop="recipient">' + \
+        '<span itemprop="audience">' + \
         reply_display_name + '</span></a>\n'
 
 
@@ -1422,12 +1422,12 @@ def _get_footer_with_icons(show_icons: bool,
     footer_str += delete_str + mute_str + edit_str
     if not is_news_post(post_json_object):
         footer_str += '        <a href="' + published_link + '" class="' + \
-            time_class + '"><span itemprop="dateSent">' + \
+            time_class + '"><span itemprop="datePublished">' + \
             published_str + '</span></a>\n'
     else:
         footer_str += '        <a href="' + \
             published_link.replace('/news/', '/news/statuses/') + \
-            '" class="' + time_class + '"><span itemprop="dateSent">' + \
+            '" class="' + time_class + '"><span itemprop="datePublished">' + \
             published_str + '</span></a>\n'
     footer_str += '      </div>\n'
     footer_str += '      </nav>\n'
@@ -1724,7 +1724,7 @@ def individual_post_as_html(signing_priv_key_pem: str,
             nickname + '?options=' + post_actor + \
             ';' + str(page_number) + ';' + avatar_url + message_id_str + \
             '">' + \
-            '<span itemprop="sender">' + display_name + '</span>' + \
+            '<span itemprop="author">' + display_name + '</span>' + \
             '</a>\n'
     else:
         if not message_id:
@@ -1741,7 +1741,7 @@ def individual_post_as_html(signing_priv_key_pem: str,
             '        <a class="imageAnchor" href="/users/' + \
             nickname + '?options=' + post_actor + \
             ';' + str(page_number) + ';' + avatar_url + message_id_str + \
-            '">@<span itemprop="sender">' + actor_handle + '</span></a>\n'
+            '">@<span itemprop="author">' + actor_handle + '</span></a>\n'
 
     # benchmark 9
     _log_post_timing(enable_timing_log, post_start_time, '9')
@@ -2146,7 +2146,7 @@ def individual_post_as_html(signing_priv_key_pem: str,
             if post_is_sensitive and reaction_str:
                 reaction_str = '<br>' + reaction_str
         post_html = '    <div ' + \
-            'itemscope itemtype="http://schema.org/Message" ' + \
+            'itemscope itemtype="http://schema.org/SocialMediaPosting" ' + \
             'id="' + timeline_post_bookmark + \
             '" class="' + container_class + '">\n'
         post_html += avatar_image_in_post

From c71259b4faeeb7cb39767bc3fd0007b009b65856 Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@libreserver.org>
Date: Mon, 2 May 2022 12:16:39 +0100
Subject: [PATCH 3/9] Semantic markup for content warning

---
 webapp_post.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/webapp_post.py b/webapp_post.py
index 92e2177a4..7414624d5 100644
--- a/webapp_post.py
+++ b/webapp_post.py
@@ -2072,7 +2072,9 @@ def individual_post_as_html(signing_priv_key_pem: str,
             encrypted_str = translate[encrypted_str]
         object_content = '🔒 ' + encrypted_str
 
-    object_content = '<article>' + object_content + '</article>'
+    object_content = \
+        '<article><span itemprop="articleBody">' + \
+        object_content + '</span></article>'
 
     if not post_is_sensitive:
         content_str = object_content + attachment_str
@@ -2091,7 +2093,8 @@ def individual_post_as_html(signing_priv_key_pem: str,
                                           nickname, domain,
                                           summary_str, False)
             content_str += \
-                '<label class="cw">' + cw_str + '</label>\n '
+                '<label class="cw"><span itemprop="description">' + \
+                cw_str + '</span></label>\n'
             if is_moderation_post:
                 container_class = 'container report'
         # get the content warning text

From e027a2af21698c662c79c3080f22229919dbe2bf Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@libreserver.org>
Date: Mon, 2 May 2022 12:58:24 +0100
Subject: [PATCH 4/9] Semantic markup for left and right columns

---
 webapp_column_left.py  | 2 +-
 webapp_column_right.py | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/webapp_column_left.py b/webapp_column_left.py
index 726c73fe0..a1b057d51 100644
--- a/webapp_column_left.py
+++ b/webapp_column_left.py
@@ -239,7 +239,7 @@ def get_left_column_content(base_dir: str, nickname: str, domain_full: str,
 
     new_tab_str = ' target="_blank" rel="nofollow noopener noreferrer"'
     if links_list:
-        html_str += '<nav>\n'
+        html_str += '<nav itemscope itemtype="http://schema.org/Collection">\n'
         for line_str in links_list:
             if ' ' not in line_str:
                 if '#' not in line_str:
diff --git a/webapp_column_right.py b/webapp_column_right.py
index cc680749e..a848920c3 100644
--- a/webapp_column_right.py
+++ b/webapp_column_right.py
@@ -341,7 +341,9 @@ def _html_newswire(base_dir: str, newswire: {}, nickname: str, moderator: bool,
                 html_str += date_shown + '</span></p>\n'
 
     if html_str:
-        html_str = '<nav>\n' + html_str + '</nav>\n'
+        html_str = \
+            '<nav itemscope itemtype="http://schema.org/webFeed">\n' + \
+            html_str + '</nav>\n'
     return html_str
 
 

From 534035ab149f97660640f76c2ddc5a16c3553731 Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@libreserver.org>
Date: Mon, 2 May 2022 13:48:36 +0100
Subject: [PATCH 5/9] Social media posts are part of a collection

---
 webapp_post.py     | 1 +
 webapp_timeline.py | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/webapp_post.py b/webapp_post.py
index 7414624d5..544534949 100644
--- a/webapp_post.py
+++ b/webapp_post.py
@@ -2149,6 +2149,7 @@ def individual_post_as_html(signing_priv_key_pem: str,
             if post_is_sensitive and reaction_str:
                 reaction_str = '<br>' + reaction_str
         post_html = '    <div ' + \
+            'itemprop="hasPart" ' + \
             'itemscope itemtype="http://schema.org/SocialMediaPosting" ' + \
             'id="' + timeline_post_bookmark + \
             '" class="' + container_class + '">\n'
diff --git a/webapp_timeline.py b/webapp_timeline.py
index f5449072a..e8e6ade0b 100644
--- a/webapp_timeline.py
+++ b/webapp_timeline.py
@@ -787,7 +787,9 @@ def html_timeline(css_cache: {}, default_timeline: str,
                                     calendar_image, follow_approvals,
                                     icons_as_buttons, access_keys)
 
-    tl_str += '  <div id="timelineposts" class="timeline-posts">\n'
+    tl_str += \
+        '  <div id="timelineposts" class="timeline-posts" ' + \
+        'itemscope itemtype="http://schema.org/Collection">\n'
 
     # second row of buttons for moderator actions
     tl_str += \

From 616e625add2cc44462a81660dd7d7372e5c6dd1a Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@libreserver.org>
Date: Mon, 2 May 2022 14:08:55 +0100
Subject: [PATCH 6/9] Semantic markup for embedded video/audio

---
 webapp_media.py | 46 ++++++++++++++++++++++++++++++----------------
 1 file changed, 30 insertions(+), 16 deletions(-)

diff --git a/webapp_media.py b/webapp_media.py
index 7ddedb862..cd6498426 100644
--- a/webapp_media.py
+++ b/webapp_media.py
@@ -40,12 +40,14 @@ def _add_embedded_video_from_sites(translate: {}, content: str,
         if '<' in url:
             url = url.split('<')[0]
             content += \
-                "<center>\n<iframe loading=\"lazy\" decoding=\"async\" " + \
+                "<center>\n<span itemprop=\"video\">\n" + \
+                "<iframe loading=\"lazy\" decoding=\"async\" " + \
                 "src=\"https://player.vimeo.com/video/" + \
                 url + "\" width=\"" + str(width) + \
                 "\" height=\"" + str(height) + \
                 "\" frameborder=\"0\" allow=\"" + \
-                "fullscreen\" allowfullscreen></iframe>\n</center>\n"
+                "fullscreen\" allowfullscreen></iframe>\n" + \
+                "</span>\n</center>\n"
             return content
 
     video_site = 'https://www.youtube.com'
@@ -62,12 +64,14 @@ def _add_embedded_video_from_sites(translate: {}, content: str,
                 if '?utm_' in url:
                     url = url.split('?utm_')[0]
                 content += \
-                    "<center>\n<iframe loading=\"lazy\" " + \
+                    "<center>\n<span itemprop=\"video\">\n" + \
+                    "<iframe loading=\"lazy\" " + \
                     "decoding=\"async\" src=\"" + \
                     video_site + url + "\" width=\"" + str(width) + \
                     "\" height=\"" + str(height) + \
                     "\" frameborder=\"0\" allow=\"fullscreen\" " + \
-                    "allowfullscreen></iframe>\n</center>\n"
+                    "allowfullscreen></iframe>\n" + \
+                    "</span></center>\n"
                 return content
 
     video_site = 'https://youtu.be/'
@@ -83,12 +87,14 @@ def _add_embedded_video_from_sites(translate: {}, content: str,
                     url = url.split('?utm_')[0]
                 video_site = 'https://www.youtube.com/'
                 content += \
-                    "<center>\n<iframe loading=\"lazy\" " + \
+                    "<center>\n<span itemprop=\"video\">\n" + \
+                    "<iframe loading=\"lazy\" " + \
                     "decoding=\"async\" src=\"" + \
                     video_site + url + "\" width=\"" + str(width) + \
                     "\" height=\"" + str(height) + \
                     "\" frameborder=\"0\" allow=\"fullscreen\" " + \
-                    "allowfullscreen></iframe>\n</center>\n"
+                    "allowfullscreen></iframe>\n" + \
+                    "</span></center>\n"
                 return content
 
     invidious_sites = (
@@ -126,12 +132,14 @@ def _add_embedded_video_from_sites(translate: {}, content: str,
                     else:
                         url = url.replace('?autoplay=1', '?autoplay=0')
                 content += \
-                    "<center>\n<iframe loading=\"lazy\" " + \
+                    "<center>\n<span itemprop=\"video\">\n" + \
+                    "<iframe loading=\"lazy\" " + \
                     "decoding=\"async\" src=\"" + \
                     video_site + url + "\" width=\"" + \
                     str(width) + "\" height=\"" + str(height) + \
                     "\" frameborder=\"0\" allow=\"fullscreen\" " + \
-                    "allowfullscreen></iframe>\n</center>\n"
+                    "allowfullscreen></iframe>\n" + \
+                    "</span>\n</center>\n"
                 return content
 
     video_site = 'https://media.ccc.de'
@@ -147,12 +155,14 @@ def _add_embedded_video_from_sites(translate: {}, content: str,
                 url = url + '/oembed'
             url += video_site_settings
             content += \
-                "<center>\n<iframe loading=\"lazy\" " + \
+                "<center>\n<span itemprop=\"video\">\n" + \
+                "<iframe loading=\"lazy\" " + \
                 "decoding=\"async\" src=\"" + \
                 video_site + url + "\" width=\"" + \
                 str(width) + "\" height=\"" + str(height) + \
                 "\" frameborder=\"0\" allow=\"fullscreen\" " + \
-                "allowfullscreen></iframe>\n</center>\n"
+                "allowfullscreen></iframe>\n" + \
+                "</span>\n</center>\n"
             return content
 
     if '"https://' in content:
@@ -213,13 +223,15 @@ def _add_embedded_video_from_sites(translate: {}, content: str,
             url = url.replace('/watch/', '/embed/')
 
             content += \
-                "<center>\n<iframe loading=\"lazy\" decoding=\"async\" " + \
+                "<center>\n<span itemprop=\"video\">\n" + \
+                "<iframe loading=\"lazy\" decoding=\"async\" " + \
                 "sandbox=\"allow-same-origin " + \
                 "allow-scripts\" src=\"https://" + \
                 site + url + "\" width=\"" + str(width) + \
                 "\" height=\"" + str(height) + \
                 "\" frameborder=\"0\" allow=\"" + \
-                "fullscreen\" allowfullscreen></iframe>\n</center>\n"
+                "fullscreen\" allowfullscreen></iframe>\n" + \
+                "</span>\n</center>\n"
             return content
     return content
 
@@ -263,11 +275,12 @@ def _add_embedded_audio(translate: {}, content: str) -> str:
         if not valid_url_prefix(wrd):
             continue
         content += \
-            '<center>\n<audio controls>\n' + \
+            '<center>\n<span itemprop="audio">' + \
+            '<audio controls>\n' + \
             '<source src="' + wrd + '" type="audio/' + \
             extension.replace('.', '') + '">' + \
             translate['Your browser does not support the audio element.'] + \
-            '</audio>\n</center>\n'
+            '</audio>\n</span>\n</center>\n'
     return content
 
 
@@ -304,14 +317,15 @@ def _add_embedded_video(translate: {}, content: str) -> str:
         if not valid_url_prefix(wrd):
             continue
         content += \
-            '<center><figure id="videoContainer" ' + \
+            '<center><span itemprop="video">\n' + \
+            '<figure id="videoContainer" ' + \
             'data-fullscreen="false">\n' + \
             '    <video id="video" controls ' + \
             'preload="metadata">\n' + \
             '<source src="' + wrd + '" type="video/' + \
             extension.replace('.', '') + '">\n' + \
             translate['Your browser does not support the video element.'] + \
-            '</video>\n</figure>\n</center>\n'
+            '</video>\n</figure>\n</span>\n</center>\n'
     return content
 
 

From 7787549b515fa983adc796c140e8e19ecc16a5fc Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@libreserver.org>
Date: Mon, 2 May 2022 19:24:47 +0100
Subject: [PATCH 7/9] Show display name for posts replying to themselves

---
 webapp_post.py | 28 +++++++++++++++++++++++++---
 1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/webapp_post.py b/webapp_post.py
index 544534949..6590672da 100644
--- a/webapp_post.py
+++ b/webapp_post.py
@@ -1138,17 +1138,22 @@ def _get_post_title_announce_html(base_dir: str,
             container_class_icons, container_class)
 
 
-def _reply_to_yourself_html(translate: {}) -> str:
+def _reply_to_yourself_html(actor: str, display_name: str,
+                            translate: {}) -> str:
     """Returns html for a title which is a reply to yourself
     """
     replying_to_themselves_str = 'replying to themselves'
     if translate.get(replying_to_themselves_str):
         replying_to_themselves_str = translate[replying_to_themselves_str]
-    return '    <img loading="lazy" decoding="async" title="' + \
+    title_str = \
+        '    <a href="' + actor + \
+        '" class="announceOrReply">' + display_name + '</a>\n' + \
+        '    <img loading="lazy" decoding="async" title="' + \
         replying_to_themselves_str + \
         '" alt="' + replying_to_themselves_str + \
         '" src="/icons' + \
         '/reply.png" class="announceOrReply"/>\n'
+    return title_str
 
 
 def _reply_to_unknown_html(translate: {},
@@ -1252,7 +1257,24 @@ def _get_post_title_reply_html(base_dir: str,
 
     # reply to self
     if obj_json['inReplyTo'].startswith(post_actor):
-        title_str += _reply_to_yourself_html(translate)
+        # get the display name for the poster replying to themselves
+        self_display_name = \
+            get_display_name(base_dir, post_actor, person_cache)
+        if not self_display_name:
+            self_nickname = get_nickname_from_actor(post_actor)
+            self_domain, _ = get_domain_from_actor(post_actor)
+            if self_nickname and self_domain:
+                self_display_name = self_nickname + '@' + self_domain
+            else:
+                self_display_name = ''
+        # add emoji to the display name
+        if ':' in self_display_name:
+            self_display_name = \
+                add_emoji_to_display_name(None, base_dir, http_prefix,
+                                          nickname, domain,
+                                          self_display_name, False)
+        title_str += \
+            _reply_to_yourself_html(post_actor, self_display_name, translate)
         return (title_str, reply_avatar_image_in_post,
                 container_class_icons, container_class)
 

From 2abb7f0614e46f42e636497769842d546583c30f Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@libreserver.org>
Date: Mon, 2 May 2022 19:59:01 +0100
Subject: [PATCH 8/9] If the display name is very small then show the handle
 instead

---
 webapp_post.py | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/webapp_post.py b/webapp_post.py
index 6590672da..94e844f3a 100644
--- a/webapp_post.py
+++ b/webapp_post.py
@@ -1087,6 +1087,9 @@ def _get_post_title_announce_html(base_dir: str,
                           person_cache, allow_downloads)
     announce_display_name = \
         get_display_name(base_dir, attributed_to, person_cache)
+    if announce_display_name:
+        if len(announce_display_name) < 2:
+            announce_display_name = None
     if not announce_display_name:
         announce_display_name = announce_nickname + '@' + announce_domain
 
@@ -1147,7 +1150,8 @@ def _reply_to_yourself_html(actor: str, display_name: str,
         replying_to_themselves_str = translate[replying_to_themselves_str]
     title_str = \
         '    <a href="' + actor + \
-        '" class="announceOrReply">' + display_name + '</a>\n' + \
+        '" class="announceOrReply"><span itemprop="author">' + \
+        display_name + '</span></a>\n' + \
         '    <img loading="lazy" decoding="async" title="' + \
         replying_to_themselves_str + \
         '" alt="' + replying_to_themselves_str + \
@@ -1260,6 +1264,9 @@ def _get_post_title_reply_html(base_dir: str,
         # get the display name for the poster replying to themselves
         self_display_name = \
             get_display_name(base_dir, post_actor, person_cache)
+        if self_display_name:
+            if len(self_display_name) < 2:
+                self_display_name = None
         if not self_display_name:
             self_nickname = get_nickname_from_actor(post_actor)
             self_domain, _ = get_domain_from_actor(post_actor)
@@ -1308,7 +1315,11 @@ def _get_post_title_reply_html(base_dir: str,
                 container_class_icons, container_class)
 
     get_person_from_cache(base_dir, reply_actor, person_cache, allow_downloads)
-    reply_display_name = get_display_name(base_dir, reply_actor, person_cache)
+    reply_display_name = \
+        get_display_name(base_dir, reply_actor, person_cache)
+    if reply_display_name:
+        if len(reply_display_name) < 2:
+            reply_display_name = None
     if not reply_display_name:
         reply_display_name = reply_nickname + '@' + reply_domain
 
@@ -1735,6 +1746,9 @@ def individual_post_as_html(signing_priv_key_pem: str,
     actor_domain, _ = get_domain_from_actor(post_actor)
 
     display_name = get_display_name(base_dir, post_actor, person_cache)
+    if display_name:
+        if len(display_name) < 2:
+            display_name = None
     if display_name:
         if ':' in display_name:
             display_name = \

From 2acbf60cf983d90359cd7249bb6414f7aecadb94 Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@libreserver.org>
Date: Mon, 2 May 2022 20:22:00 +0100
Subject: [PATCH 9/9] Show handle if display name is a single emoji

---
 utils.py       | 14 ++++++++++++++
 webapp_post.py | 13 +++++++++----
 2 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/utils.py b/utils.py
index f5a49d9b4..d4d9cefd2 100644
--- a/utils.py
+++ b/utils.py
@@ -1021,6 +1021,20 @@ def get_display_name(base_dir: str, actor: str, person_cache: {}) -> str:
     return name_found
 
 
+def display_name_is_emoji(display_name: str) -> bool:
+    """Returns true if the given display name is an emoji
+    """
+    if ' ' in display_name:
+        return False
+    if len(display_name) < 2:
+        return False
+    if not display_name.startswith(':'):
+        return False
+    if not display_name.endswith(':'):
+        return False
+    return True
+
+
 def _gender_from_string(translate: {}, text: str) -> str:
     """Given some text, does it contain a gender description?
     """
diff --git a/webapp_post.py b/webapp_post.py
index 94e844f3a..70f39b3ab 100644
--- a/webapp_post.py
+++ b/webapp_post.py
@@ -50,6 +50,7 @@ from utils import get_protocol_prefixes
 from utils import is_news_post
 from utils import is_blog_post
 from utils import get_display_name
+from utils import display_name_is_emoji
 from utils import is_public_post
 from utils import update_recent_posts_cache
 from utils import remove_id_ending
@@ -1088,7 +1089,8 @@ def _get_post_title_announce_html(base_dir: str,
     announce_display_name = \
         get_display_name(base_dir, attributed_to, person_cache)
     if announce_display_name:
-        if len(announce_display_name) < 2:
+        if len(announce_display_name) < 2 or \
+           display_name_is_emoji(announce_display_name):
             announce_display_name = None
     if not announce_display_name:
         announce_display_name = announce_nickname + '@' + announce_domain
@@ -1265,7 +1267,8 @@ def _get_post_title_reply_html(base_dir: str,
         self_display_name = \
             get_display_name(base_dir, post_actor, person_cache)
         if self_display_name:
-            if len(self_display_name) < 2:
+            if len(self_display_name) < 2 or \
+               display_name_is_emoji(self_display_name):
                 self_display_name = None
         if not self_display_name:
             self_nickname = get_nickname_from_actor(post_actor)
@@ -1318,7 +1321,8 @@ def _get_post_title_reply_html(base_dir: str,
     reply_display_name = \
         get_display_name(base_dir, reply_actor, person_cache)
     if reply_display_name:
-        if len(reply_display_name) < 2:
+        if len(reply_display_name) < 2 or \
+           display_name_is_emoji(reply_display_name):
             reply_display_name = None
     if not reply_display_name:
         reply_display_name = reply_nickname + '@' + reply_domain
@@ -1747,7 +1751,8 @@ def individual_post_as_html(signing_priv_key_pem: str,
 
     display_name = get_display_name(base_dir, post_actor, person_cache)
     if display_name:
-        if len(display_name) < 2:
+        if len(display_name) < 2 or \
+           display_name_is_emoji(display_name):
             display_name = None
     if display_name:
         if ':' in display_name: