diff --git a/package-lock.json b/package-lock.json
index e037e6e..f6e4fab 100644
Binary files a/package-lock.json and b/package-lock.json differ
diff --git a/package.json b/package.json
index 4665595..ec4fa3b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "interlanguage-checker",
-    "version": "1.10.16",
+    "version": "1.10.17",
     "description": "Check the consistency of MediaWiki interlanguage links in a simple overview.",
     "author": "Felix W. Dekker",
     "browser": "dist/bundle.js",
@@ -16,16 +16,16 @@
         "deploy": "grunt deploy"
     },
     "dependencies": {
-        "@fwdekker/template": "^0.0.20",
+        "@fwdekker/template": "^0.0.21",
         "fetch-jsonp": "^1.1.3",
         "fork-awesome": "^1.1.7",
         "htm": "^3.0.4",
-        "preact": "^10.4.7"
+        "preact": "^10.5.7"
     },
     "devDependencies": {
-        "css-loader": "^4.2.1",
-        "file-loader": "^6.0.0",
-        "grunt": "^1.2.1",
+        "css-loader": "^5.0.1",
+        "file-loader": "^6.2.0",
+        "grunt": "^1.3.0",
         "grunt-cli": "^1.3.2",
         "grunt-contrib-clean": "^2.0.0",
         "grunt-contrib-copy": "^1.0.0",
@@ -33,8 +33,8 @@
         "grunt-focus": "^1.0.0",
         "grunt-text-replace": "^0.4.0",
         "grunt-webpack": "^4.0.2",
-        "style-loader": "^1.2.1",
-        "webpack": "^4.44.1",
-        "webpack-cli": "^3.3.12"
+        "style-loader": "^2.0.0",
+        "webpack": "^5.4.0",
+        "webpack-cli": "^4.2.0"
     }
 }
diff --git a/src/main/index.html b/src/main/index.html
index adb0320..9cca54f 100644
--- a/src/main/index.html
+++ b/src/main/index.html
@@ -53,6 +53,12 @@
                         For <b>Wikimedia</b> wikis, this is <code>https://&lt;example.org&gt;/w/api.php</code>.
                         For <b>Fandom</b> wikis, this is <code>https://&lt;wiki&gt;.fandom.com/api.php</code>.<br />
                         <br />
+                        If the application <b>refuses to connect</b> to the API and you are certain the URL is correct,
+                        make sure that you allow scripts to be executed from the API you have entered by checking the
+                        configuration of your <b>tracking blockers</b>.
+                        These <b>external scripts</b> are necessary to provide support to older wikis that rely on
+                        <a href="https://en.wikipedia.org/wiki/JSONP">JSONP requests</a> to interact with the API.<br />
+                        <br />
                         If you need <b>help</b>, have a <b>question</b>, or found a <b>bug</b>, please
                         <a href="https://git.fwdekker.com/FWDekker/interlanguage-checker/issues/new">open an issue</a>
                         or <a href="https://fallout.fandom.com/wiki/User_talk:FDekker">leave a talk message</a>.
diff --git a/src/main/js/MediaWiki.js b/src/main/js/MediaWiki.js
index 54f9d34..e9ee944 100644
--- a/src/main/js/MediaWiki.js
+++ b/src/main/js/MediaWiki.js
@@ -1,5 +1,5 @@
 import fetchJsonp from "fetch-jsonp";
-import {mergeStates} from "./Shared";
+import {couldNotConnectMessage, mergeStates} from "./Shared";
 
 
 /**
@@ -348,7 +348,7 @@ export class MediaWiki {
         return fetchJsonp(url)
             .then(it => it.json())
             .catch(() => {
-                throw new Error("Could not to connect to API. Is the URL correct? See the <b>About</b> section for more information.")
+                throw new Error(couldNotConnectMessage);
             });
     }
 
@@ -576,7 +576,7 @@ export const discoverNetwork = async function (mwm, title, progressCb) {
             history.push(next);
             pages.push(new Page(mwm.getArticlePath(next), next, [], false));
             if (history.length === 1)
-                throw new Error("Could not to connect to API. Is the URL correct? See the <b>About</b> section for more information.");
+                throw new Error(couldNotConnectMessage);
             else
                 continue;
         }
diff --git a/src/main/js/Shared.js b/src/main/js/Shared.js
index 855d118..2a68d3d 100644
--- a/src/main/js/Shared.js
+++ b/src/main/js/Shared.js
@@ -1,3 +1,12 @@
+/**
+ * The message that is displayed when the application fails to connect to the API.
+ *
+ * @type {string}
+ */
+export const couldNotConnectMessage =
+    "Could not to connect to API. Is the URL correct? Are you using a script blocker? " +
+    "See the <b>About</b> section for more information."
+
 /**
  * Returns the status that has the lowest index in the given list of statuses.
  *