From 582a888571d6c323d2bcdf4fff2f4730fbdbf874 Mon Sep 17 00:00:00 2001
From: jason5ng32 <jason5ng32@gmail.com>
Date: Fri, 15 May 2026 00:01:46 +0800
Subject: [PATCH] Improvements

---
 .env.example   |  2 ++
 index.html     | 19 ++++++++++++++++++-
 vite.config.js | 24 ++++++++++++++++++++++++
 3 files changed, 44 insertions(+), 1 deletion(-)

diff --git a/.env.example b/.env.example
index d0e33dcc..bce01212 100644
--- a/.env.example
+++ b/.env.example
@@ -17,6 +17,8 @@ RIPESTAT_SOURCE_APP=""
 SECURITY_BLACKLIST_LOG_FILE_PATH=""
 SECURITY_RATE_LIMIT=""
 SECURITY_DELAY_AFTER=""
+# SITE
+VITE_SITE_URL="https://ipcheck.ing"
 # CURL API
 VITE_CURL_IPV4_DOMAIN=""
 VITE_CURL_IPV6_DOMAIN=""
diff --git a/index.html b/index.html
index d913b011..b779b130 100644
--- a/index.html
+++ b/index.html
@@ -17,6 +17,23 @@
     Ping/MTR Test - Jason Ng Open Source </title>
   <link rel="icon" href="/logos/logo.svg">
   <link rel="icon" type="image/svg+xml" href="/favicon.svg">
+  
+  <!-- @site-url:open -->
+  <link rel="canonical" href="__SITE_URL__/" />
+  <meta property="og:url" content="__SITE_URL__/" />
+  <!-- @site-url:close -->
+  <meta property="og:type" content="website" />
+  <meta property="og:site_name" content="IPCheck.ing" />
+  <meta property="og:title" content="IPCheck.ing — All in one IP Toolbox" />
+  <meta property="og:description" content="IP lookup, ASN history, connectivity tests, WebRTC and DNS leak detection, speed test, MTR, Whois, and browser fingerprint — in one open-source web app." />
+  <meta property="og:image" content="/logos/og.png" />
+  <meta property="og:image:width" content="1200" />
+  <meta property="og:image:height" content="630" />
+  <meta property="og:image:alt" content="IPCheck.ing logo with the tagline: All in one IP Toolbox" />
+  <meta name="twitter:card" content="summary_large_image" />
+  <meta name="twitter:title" content="IPCheck.ing — All in one IP Toolbox" />
+  <meta name="twitter:description" content="IP lookup, ASN history, connectivity tests, WebRTC and DNS leak detection, speed test, MTR, Whois, and browser fingerprint — in one open-source web app." />
+  <meta name="twitter:image" content="/logos/og.png" />
 
   <!-- Seed the `.dark` class on <html> BEFORE first paint.
        Reads the user's stored theme preference from localStorage (key
@@ -203,7 +220,7 @@
 
 <body>
   <!-- Pre-Vue boot screen. App.vue drives the hand-off via `#jn-loading` —
-       the id is a load-bearing contract, keep it in sync. -->
+      the id is a load-bearing contract, keep it in sync. -->
   <div id="jn-loading" class="jn-loading" role="status" aria-live="polite">
     <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 511 512.35" aria-hidden="true"
       shape-rendering="geometricPrecision" fill-rule="evenodd" clip-rule="evenodd">
diff --git a/vite.config.js b/vite.config.js
index 6b3e4159..bbaba345 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -47,6 +47,29 @@ function isNodePackage(normalizedId, packageName) {
   return packagePath === packageName || packagePath.startsWith(`${packageName}/`);
 }
 
+// `index.html` contains a small conditional block delimited by
+// `<!-- @site-url:open -->` … `<!-- @site-url:close -->` and uses
+// `__SITE_URL__` as the placeholder for an absolute origin.
+function siteUrlHtmlPlugin() {
+  const siteUrl = (process.env.VITE_SITE_URL || '').trim().replace(/\/+$/, '');
+  const blockRe = /[ \t]*<!--\s*@site-url:open\s*-->[\s\S]*?<!--\s*@site-url:close\s*-->\n?/g;
+  const markerOpenRe = /[ \t]*<!--\s*@site-url:open\s*-->\n?/g;
+  const markerCloseRe = /[ \t]*<!--\s*@site-url:close\s*-->\n?/g;
+  return {
+    name: 'site-url-html',
+    transformIndexHtml: {
+      order: 'pre',
+      handler(html) {
+        if (!siteUrl) return html.replace(blockRe, '');
+        return html
+          .replace(markerOpenRe, '')
+          .replace(markerCloseRe, '')
+          .replaceAll('__SITE_URL__', siteUrl);
+      },
+    },
+  };
+}
+
 function manualChunks(id) {
   const normalizedId = id.replaceAll('\\', '/');
 
@@ -75,6 +98,7 @@ export default defineConfig({
       }
     }),
     tailwindcss(),
+    siteUrlHtmlPlugin(),
     CodeInspectorPlugin({
       bundler: 'vite',
       hideDomPathAttr: true,