diff --git a/lib/federation/activity_pub/actor.ex b/lib/federation/activity_pub/actor.ex
index 61dec80f0..578628cf3 100644
--- a/lib/federation/activity_pub/actor.ex
+++ b/lib/federation/activity_pub/actor.ex
@@ -29,6 +29,8 @@ defmodule Mobilizon.Federation.ActivityPub.Actor do
   end
 
   def get_or_fetch_actor_by_url(url, preload) do
+    Logger.debug("Getting or fetching actor by URL #{url}")
+
     case Actors.get_actor_by_url(url, preload) do
       {:ok, %Actor{} = cached_actor} ->
         if Actors.needs_update?(cached_actor) do
@@ -51,6 +53,8 @@ defmodule Mobilizon.Federation.ActivityPub.Actor do
   @spec make_actor_from_url(url :: String.t(), options :: Keyword.t()) ::
           {:ok, Actor.t()} | {:error, make_actor_errors | Ecto.Changeset.t()}
   def make_actor_from_url(url, options \\ []) do
+    Logger.debug("Making actor from url #{url}")
+
     if are_same_origin?(url, Endpoint.url()) do
       {:error, :actor_is_local}
     else
@@ -75,6 +79,8 @@ defmodule Mobilizon.Federation.ActivityPub.Actor do
   @spec find_or_make_actor_from_nickname(nickname :: String.t(), type :: atom() | nil) ::
           {:ok, Actor.t()} | {:error, make_actor_errors | WebFinger.finger_errors()}
   def find_or_make_actor_from_nickname(nickname, type \\ nil) do
+    Logger.debug("Finding or making actor from nickname #{nickname}")
+
     case Actors.get_actor_by_name_with_preload(nickname, type) do
       %Actor{url: actor_url} = actor ->
         if Actors.needs_update?(actor) do
@@ -98,8 +104,11 @@ defmodule Mobilizon.Federation.ActivityPub.Actor do
   @spec make_actor_from_nickname(nickname :: String.t(), preload :: boolean) ::
           {:ok, Actor.t()} | {:error, make_actor_errors | WebFinger.finger_errors()}
   def make_actor_from_nickname(nickname, preload \\ false) do
+    Logger.debug("Fingering actor from nickname #{nickname}")
+
     case WebFinger.finger(nickname) do
       {:ok, url} when is_binary(url) ->
+        Logger.debug("Matched #{nickname} to URL #{url}, now making actor")
         make_actor_from_url(url, preload: preload)
 
       {:error, e} ->
diff --git a/lib/federation/activity_pub/refresher.ex b/lib/federation/activity_pub/refresher.ex
index 21a49781b..bfa4f6c16 100644
--- a/lib/federation/activity_pub/refresher.ex
+++ b/lib/federation/activity_pub/refresher.ex
@@ -36,6 +36,8 @@ defmodule Mobilizon.Federation.ActivityPub.Refresher do
   end
 
   def refresh_profile(%Actor{type: type, url: url}) when type in [:Person, :Application] do
+    Logger.debug("Refreshing profile #{url}")
+
     case ActivityPubActor.make_actor_from_url(url) do
       {:error, error} ->
         {:error, error}
@@ -52,6 +54,8 @@ defmodule Mobilizon.Federation.ActivityPub.Refresher do
 
   @spec fetch_group(String.t(), Actor.t()) :: :ok | {:error, fetch_actor_errors}
   def fetch_group(group_url, %Actor{} = on_behalf_of) do
+    Logger.debug("Fetching group #{group_url}")
+
     case ActivityPubActor.make_actor_from_url(group_url, on_behalf_of: on_behalf_of) do
       {:error, err}
       when err in [:actor_deleted, :http_error, :json_decode_error, :actor_is_local] ->
diff --git a/lib/web/plugs/mapped_signature_to_identity.ex b/lib/web/plugs/mapped_signature_to_identity.ex
index 8c63b841c..550e1e6f9 100644
--- a/lib/web/plugs/mapped_signature_to_identity.ex
+++ b/lib/web/plugs/mapped_signature_to_identity.ex
@@ -34,6 +34,8 @@ defmodule Mobilizon.Web.Plugs.MappedSignatureToIdentity do
 
   @spec actor_from_key_id(Plug.Conn.t()) :: Actor.t() | nil
   defp actor_from_key_id(conn) do
+    Logger.debug("Determining actor from connection signature")
+
     with key_actor_id when is_binary(key_actor_id) <- key_id_from_conn(conn),
          {:ok, %Actor{} = actor} <- ActivityPubActor.get_or_fetch_actor_by_url(key_actor_id) do
       actor