diff --git a/komorebi/src/lib.rs b/komorebi/src/lib.rs
index b8076102..f2758dac 100644
--- a/komorebi/src/lib.rs
+++ b/komorebi/src/lib.rs
@@ -165,6 +165,13 @@ lazy_static! {
         "X410.exe".to_string(),
         "vcxsrv.exe".to_string(),
     ]));
+    static ref SLOW_APPLICATION_IDENTIFIERS: Arc<Mutex<Vec<MatchingRule>>> = Arc::new(Mutex::new(vec![
+        MatchingRule::Simple(IdWithIdentifier {
+            kind: ApplicationIdentifier::Exe,
+            id: String::from("firefox.exe"),
+            matching_strategy: Option::from(MatchingStrategy::Equals),
+        }),
+    ]));
     static ref SUBSCRIPTION_PIPES: Arc<Mutex<HashMap<String, File>>> =
         Arc::new(Mutex::new(HashMap::new()));
     pub static ref SUBSCRIPTION_SOCKETS: Arc<Mutex<HashMap<String, PathBuf>>> =
@@ -231,6 +238,8 @@ pub static REMOVE_TITLEBARS: AtomicBool = AtomicBool::new(false);
 pub static ANIMATION_ENABLED: AtomicBool = AtomicBool::new(false);
 pub static ANIMATION_DURATION: AtomicU64 = AtomicU64::new(250);
 
+pub static SLOW_APPLICATION_COMPENSATION_TIME: AtomicU64 = AtomicU64::new(20);
+
 #[must_use]
 pub fn current_virtual_desktop() -> Option<Vec<u8>> {
     let hkcu = RegKey::predef(HKEY_CURRENT_USER);
diff --git a/komorebi/src/static_config.rs b/komorebi/src/static_config.rs
index 409025ed..c920f84e 100644
--- a/komorebi/src/static_config.rs
+++ b/komorebi/src/static_config.rs
@@ -42,6 +42,8 @@ use crate::MANAGE_IDENTIFIERS;
 use crate::MONITOR_INDEX_PREFERENCES;
 use crate::OBJECT_NAME_CHANGE_ON_LAUNCH;
 use crate::REGEX_IDENTIFIERS;
+use crate::SLOW_APPLICATION_COMPENSATION_TIME;
+use crate::SLOW_APPLICATION_IDENTIFIERS;
 use crate::TRANSPARENCY_BLACKLIST;
 use crate::TRAY_AND_MULTI_WINDOW_IDENTIFIERS;
 use crate::WINDOWS_11;
@@ -333,6 +335,12 @@ pub struct StaticConfig {
     /// Theme configuration options
     #[serde(skip_serializing_if = "Option::is_none")]
     pub theme: Option<KomorebiTheme>,
+    /// Identify applications which are slow to send initial event notifications
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub slow_application_identifiers: Option<Vec<MatchingRule>>,
+    /// How long to wait when compensating for slow applications, in milliseconds (default: 20)
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub slow_application_compensation_time: Option<u64>,
 }
 
 #[derive(Debug, Serialize, Deserialize, JsonSchema)]
@@ -544,6 +552,10 @@ impl From<&WindowManager> for StaticConfig {
             stackbar: None,
             animation: None,
             theme: None,
+            slow_application_compensation_time: Option::from(
+                SLOW_APPLICATION_COMPENSATION_TIME.load(Ordering::SeqCst),
+            ),
+            slow_application_identifiers: Option::from(SLOW_APPLICATION_IDENTIFIERS.lock().clone()),
         }
     }
 }
@@ -652,6 +664,7 @@ impl StaticConfig {
         let mut object_name_change_identifiers = OBJECT_NAME_CHANGE_ON_LAUNCH.lock();
         let mut layered_identifiers = LAYERED_WHITELIST.lock();
         let mut transparency_blacklist = TRANSPARENCY_BLACKLIST.lock();
+        let mut slow_application_identifiers = SLOW_APPLICATION_IDENTIFIERS.lock();
 
         if let Some(rules) = &mut self.float_rules {
             populate_rules(rules, &mut float_identifiers, &mut regex_identifiers)?;
@@ -685,6 +698,14 @@ impl StaticConfig {
             populate_rules(rules, &mut transparency_blacklist, &mut regex_identifiers)?;
         }
 
+        if let Some(rules) = &mut self.slow_application_identifiers {
+            populate_rules(
+                rules,
+                &mut slow_application_identifiers,
+                &mut regex_identifiers,
+            )?;
+        }
+
         if let Some(stackbar) = &self.stackbar {
             if let Some(height) = &stackbar.height {
                 STACKBAR_TAB_HEIGHT.store(*height, Ordering::SeqCst);
diff --git a/komorebi/src/window.rs b/komorebi/src/window.rs
index 97acd326..336398a7 100644
--- a/komorebi/src/window.rs
+++ b/komorebi/src/window.rs
@@ -6,6 +6,8 @@ use crate::windows_api;
 use crate::ANIMATIONS_IN_PROGRESS;
 use crate::ANIMATION_DURATION;
 use crate::ANIMATION_ENABLED;
+use crate::SLOW_APPLICATION_COMPENSATION_TIME;
+use crate::SLOW_APPLICATION_IDENTIFIERS;
 use std::collections::HashMap;
 use std::convert::TryFrom;
 use std::fmt::Display;
@@ -634,8 +636,23 @@ fn window_is_eligible(
         titlebars_removed.contains(exe_name)
     };
 
-    if exe_name.contains("firefox") {
-        std::thread::sleep(Duration::from_millis(10));
+    {
+        let slow_application_identifiers = SLOW_APPLICATION_IDENTIFIERS.lock();
+        let should_sleep = should_act(
+            title,
+            exe_name,
+            class,
+            path,
+            &slow_application_identifiers,
+            &regex_identifiers,
+        )
+        .is_some();
+
+        if should_sleep {
+            std::thread::sleep(Duration::from_millis(
+                SLOW_APPLICATION_COMPENSATION_TIME.load(Ordering::SeqCst),
+            ));
+        }
     }
 
     if (allow_wsl2_gui || allow_titlebar_removed || style.contains(WindowStyle::CAPTION) && ex_style.contains(ExtendedWindowStyle::WINDOWEDGE))