diff --git a/background.js b/background.js
index 197f105..ac6e8cb 100644
--- a/background.js
+++ b/background.js
@@ -132,61 +132,67 @@ function setPowerIcon(status) {
 if (chrome.declarativeNetRequest) {
   // Whenever stored settings change, update the header
   // that is sent to BreezeWiki instances to inform them the user has IWB
-  updateDeclarativeRule();
-  chrome.storage.onChanged.addListener(event => updateDeclarativeRule());
+  addBreezeWikiDeclarativeRule();
+  chrome.storage.onChanged.addListener(event => addBreezeWikiDeclarativeRule());
 }
 
-function updateDeclarativeRule() {
+function addBreezeWikiDeclarativeRule() {
   chrome.storage.local.get((localStorage) => {
     chrome.storage.sync.get((syncStorage) => {
       const storage = { ...syncStorage, ...localStorage };
-      const headerValue = JSON.stringify({
-        'power': storage.power ?? 'on',
-        'breezewiki': storage.breezewiki ?? 'off'
-      });
-      let urls = [
-        "breezewiki.com",
-        "antifandom.com",
-        "bw.projectsegfau.lt",
-        "breeze.hostux.net",
-        "breezewiki.pussthecat.org",
-        "bw.vern.cc",
-        "breezewiki.esmailelbob.xyz",
-        "bw.artemislena.eu",
-        "bw.hamstro.dev",
-        "nerd.whatever.social",
-        "breeze.nohost.network",
-        "breeze.whateveritworks.org"
-      ];
-      if (storage.breezewikiCustomHost) {
-        urls.push(storage.breezewikiCustomHost.replace(/^https?:\/\//, ''));
-      };
-
-      chrome.declarativeNetRequest.updateDynamicRules({
-        removeRuleIds: [1],
-        addRules: [
-          {
-            "id": 1,
-            "priority": 1,
-            "action": {
-              "type": "modifyHeaders",
-              "requestHeaders": [
-                {
-                  "operation": "set",
-                  "header": "x-indie-wiki",
-                  "value": headerValue
-                }
-              ]
-            },
-            "condition": {
-              "requestDomains": urls,
-              "resourceTypes": [
-                "main_frame"
-              ]
+      if (storage.breezewikiSendHeader === 'off') {
+        chrome.declarativeNetRequest.updateDynamicRules({
+          removeRuleIds: [1]
+        });
+      } else {
+        const headerValue = JSON.stringify({
+          'power': storage.power ?? 'on',
+          'breezewiki': storage.breezewiki ?? 'off'
+        });
+        let urls = [
+          "breezewiki.com",
+          "antifandom.com",
+          "bw.projectsegfau.lt",
+          "breeze.hostux.net",
+          "breezewiki.pussthecat.org",
+          "bw.vern.cc",
+          "breezewiki.esmailelbob.xyz",
+          "bw.artemislena.eu",
+          "bw.hamstro.dev",
+          "nerd.whatever.social",
+          "breeze.nohost.network",
+          "breeze.whateveritworks.org"
+        ];
+        if (storage.breezewikiCustomHost) {
+          urls.push(storage.breezewikiCustomHost.replace(/^https?:\/\//, ''));
+        };
+  
+        chrome.declarativeNetRequest.updateDynamicRules({
+          removeRuleIds: [1],
+          addRules: [
+            {
+              "id": 1,
+              "priority": 1,
+              "action": {
+                "type": "modifyHeaders",
+                "requestHeaders": [
+                  {
+                    "operation": "set",
+                    "header": "x-indie-wiki",
+                    "value": headerValue
+                  }
+                ]
+              },
+              "condition": {
+                "requestDomains": urls,
+                "resourceTypes": [
+                  "main_frame"
+                ]
+              }
             }
-          }
-        ]
-      });
+          ]
+        });
+      }
     });
   });
 }
diff --git a/settings.html b/settings.html
index 5b8fa35..ca71216 100644
--- a/settings.html
+++ b/settings.html
@@ -111,6 +111,23 @@
       }
     }
 
+    /* TOOLTIPS */
+    .tooltip {
+      display: inline-block;
+    }
+    .tooltip:hover::after {
+      content: attr(data-title);
+      text-align: center;
+      padding: 8px;
+      width: fit-content;
+      max-width: 250px;
+      color: #fff;
+      background: #000;
+      position: absolute;
+      transform: translate(calc(-100% - 5px), 20px);
+      z-index: 999999;
+    }
+
     /* HEADER */
     #header {
       line-height: 1.5rem;
@@ -384,20 +401,6 @@
       cursor: pointer;
     }
 
-    #togglesKeys .inputsContainer button:hover::after,
-    #togglesDefaults .inputsContainer label:hover::after {
-      content: attr(data-title);
-      padding: 5px;
-      width: fit-content;
-      border: 1px solid #000;
-      position: absolute;
-      color: #fff;
-      background: #000;
-      z-index: 999999;
-      transform: translateX(calc(-100% - 5px));
-      top: 30px;
-    }
-
     #togglesColumnLabels {
       background-color: white;
       padding: 5px 0;
@@ -604,6 +607,13 @@
               <span id="breezewikiCustomHostStatus"></span>
             </label>
           </div>
+          <div id="breezewikiHeader" class="settingToggle">
+            <label>
+              <input id="breezewikiHeaderCheckbox" type="checkbox" />
+              Inform BreezeWiki that you have Indie Wiki Buddy installed
+              <div class="tooltip" data-title="When enabled, IWB will pass a header to BreezeWiki to enable enhancements (e.g. hiding the IWB promo banner)">❓</div>
+            </label>
+          </div>
         </fieldset>
         <h2>Individual wiki settings</h2>
         <fieldset id="legend">
@@ -679,32 +689,32 @@
               <span>Click icon to set all wikis in column:</span>
               <div class="inputsContainer">
                 <div>
-                  <button id="setAllDisabled" type="button" data-title="Do nothing when visiting non-indie wiki"
+                  <button class="tooltip" id="setAllDisabled" type="button" data-title="Do nothing when visiting non-indie wiki"
                     aria-label="Do nothing when visiting non-indie wiki">
                   </button>
                 </div>
                 <div>
-                  <button id="setAllAlert" type="button" data-title="Show banner when indie wiki is available"
+                  <button class="tooltip" id="setAllAlert" type="button" data-title="Show banner when indie wiki is available"
                     aria-label="Show banner when indie wiki is available">
                   </button>
                 </div>
                 <div>
-                  <button id="setAllRedirect" type="button" data-title="Automatically redirect to indie wiki"
+                  <button class="tooltip" id="setAllRedirect" type="button" data-title="Automatically redirect to indie wiki"
                     aria-label="Automatically redirect to indie wiki">
                   </button>
                 </div>
                 <div>
-                  <button id="setAllSearchEngineDisabled" type="button" data-title="Do nothing on search engines"
+                  <button class="tooltip" id="setAllSearchEngineDisabled" type="button" data-title="Do nothing on search engines"
                     aria-label="Do nothing on search engines">
                   </button>
                 </div>
                 <div>
-                  <button id="setAllSearchEngineReplace" type="button" data-title="Replace non-indie search results"
+                  <button class="tooltip" id="setAllSearchEngineReplace" type="button" data-title="Replace non-indie search results"
                     aria-label="Replace non-indie search results">
                   </button>
                 </div>
                 <div>
-                  <button id="setAllSearchEngineHide" type="button"
+                  <button class="tooltip" id="setAllSearchEngineHide" type="button"
                     data-title="Hide non-indie wiki from search results">
                   </button>
                 </div>
@@ -719,33 +729,33 @@
               <div>
                 <input id="defaultWikiActionDisabledRadio" type="radio" name="defaultWikiAction" value="disabled"
                   aria-label="Do nothing" />
-                <label data-title="Do nothing when visiting non-indie wiki"
+                <label class="tooltip" data-title="Do nothing when visiting non-indie wiki"
                   for="defaultWikiActionDisabledRadio"></label>
               </div>
               <div>
                 <input id="defaultWikiActionAlertRadio" type="radio" name="defaultWikiAction" value="alert"
                   aria-label="Display banner linking to indie wiki" />
-                <label data-title="Show banner when indie wiki is available" for="defaultWikiActionAlertRadio"></label>
+                <label class="tooltip" data-title="Show banner when indie wiki is available" for="defaultWikiActionAlertRadio"></label>
               </div>
               <div>
                 <input id="defaultWikiActionRedirectRadio" type="radio" name="defaultWikiAction" value="redirect"
                   aria-label="Redirect to indie wiki" />
-                <label data-title="Automatically redirect to indie wiki" for="defaultWikiActionRedirectRadio"></label>
+                <label class="tooltip" data-title="Automatically redirect to indie wiki" for="defaultWikiActionRedirectRadio"></label>
               </div>
               <div>
                 <input id="defaultSearchActionDisabledRadio" type="radio" name="defaultSearchAction" value="disabled"
                   aria-label="Do nothing" />
-                <label data-title="Do nothing on search engines" for="defaultSearchActionDisabledRadio"></label>
+                <label class="tooltip" data-title="Do nothing on search engines" for="defaultSearchActionDisabledRadio"></label>
               </div>
               <div>
                 <input id="defaultSearchActionReplaceRadio" type="radio" name="defaultSearchAction" value="replace"
                   aria-label="Replace non-indie results" />
-                <label data-title="Replace non-indie search results" for="defaultSearchActionReplaceRadio"></label>
+                <label class="tooltip" data-title="Replace non-indie search results" for="defaultSearchActionReplaceRadio"></label>
               </div>
               <div>
                 <input id="defaultSearchActionHideRadio" type="radio" name="defaultSearchAction" value="hide"
                   aria-label="Hide non-indie results" />
-                <label data-title="Hide non-indie wiki from search results" for="defaultSearchActionHideRadio"></label>
+                <label class="tooltip" data-title="Hide non-indie wiki from search results" for="defaultSearchActionHideRadio"></label>
               </div>
             </div>
           </div>
diff --git a/settings.js b/settings.js
index 228c86c..2d1442f 100644
--- a/settings.js
+++ b/settings.js
@@ -644,6 +644,19 @@ function setBreezeWiki(setting, storeSetting = true) {
   }
 }
 
+// Set BreezeWiki header setting
+function setBreezeWikiSendHeader(setting, storeSetting = true) {
+  if (storeSetting) {
+    chrome.storage.sync.set({ 'breezewikiSendHeader': setting });
+  }
+
+  if (setting === 'off') {
+    document.getElementById('breezewikiHeaderCheckbox').checked = false;
+  } else {
+    document.getElementById('breezewikiHeaderCheckbox').checked = true;
+  }
+}
+
 async function migrateData() {
   await chrome.storage.sync.get(async (storage) => {
     if (!storage.v3migration) {
@@ -817,6 +830,9 @@ document.addEventListener('DOMContentLoaded', () => {
       loadBreezewikiOptions();
     }
   });
+  chrome.storage.sync.get({ 'breezewikiSendHeader': 'on' }, (item) => {
+    setBreezeWikiSendHeader(item.breezewikiSendHeader, false);
+  });
 
   // Add event listeners for general setting toggles
   document.getElementById('powerCheckbox').addEventListener('change', () => {
@@ -886,6 +902,15 @@ document.addEventListener('DOMContentLoaded', () => {
     }
     chrome.storage.sync.set({ 'breezewikiHost': breezewikiHostSelect.value });
   });
+  document.getElementById('breezewikiHeaderCheckbox').addEventListener('change', () => {
+    chrome.storage.sync.get({ 'breezewikiSendHeader': 'on' }, (item) => {
+      if (item.breezewikiSendHeader === 'on') {
+        setBreezeWikiSendHeader('off');
+      } else {
+        setBreezeWikiSendHeader('on');
+      }
+    });
+  });
 
   function setCustomBreezewikiDomain() {
     let breezewikiCustomDomain = document.getElementById('customBreezewikiHost').value;