diff --git a/The-fediverse-on-the-web.md b/The-fediverse-on-the-web.md
index dc9632c..0c5d75d 100644
--- a/The-fediverse-on-the-web.md
+++ b/The-fediverse-on-the-web.md
@@ -309,21 +309,24 @@ https://www.loomio.com/g/exAKrBUp/open-app-ecosystem
 
 ##### Chat Rooms
 
-Fediverse_City community. https://matrix.to/#/#fediverse-city:matrix.org
+Fediverse_City (matrix): https://matrix.to/#/#fediverse-city:matrix.org
 
+FediDevs (matrix): https://matrix.to/#/#fediverse-developer-network:matrix.org
 
 ### Server stats
 
-https://the-federation.info/
-
 https://fedidb.org/
 
-https://fediverse.space/ - 404 as of 2023-04-29
+https://the-federation.info/
 
-https://fediverse.observer/
+https://fediverse.observer/stats
 
 https://mastodonservers.net/
 
+#### Historical:
+
+https://fediverse.space/ - 404 as of 2023-04-29
+
 ### Search tools
 
 https://search.joinpeertube.org/
@@ -336,6 +339,8 @@ https://mastovue.glitch.me/
 
 https://instances.social/
 
+https://fediverse.observer/
+
 https://mastodon.help/
 
 ### Tips for noobs: