counter improvements

nextjs/getServerSideProps/handlers.ts

@@ -8,7 +8,7 @@ import config from 'configs/app';
 import * as cookies from 'lib/cookies';
 import type * as metadata from 'lib/metadata';
 
-import detectBotRequest from '../utils/detectBotRequest';
+import { isLikelyHumanBrowser, isKnownBotRequest } from '../utils/checkRealBrowser';
 
 const adBannerFeature = config.features.adsBanner;
 
@@ -45,28 +45,30 @@ Promise<GetServerSidePropsResult<Props<Pathname>>> => {
   }
 
   const isTrackingDisabled = process.env.DISABLE_TRACKING === 'true';
-  const isBot = Boolean(detectBotRequest(req));
 
-  if (!isTrackingDisabled && !isBot) {
+  if (!isTrackingDisabled) {
+    const isRealUser = isLikelyHumanBrowser(req) && !isKnownBotRequest(req);
+    if (isRealUser) {
     // log pageview
-    const hostname = req.headers.host;
-    const timestamp = new Date().toISOString();
-    const chainId = process.env.NEXT_PUBLIC_NETWORK_ID;
-    const chainName = process.env.NEXT_PUBLIC_NETWORK_NAME;
-    const publicRPC = process.env.NEXT_PUBLIC_NETWORK_RPC_URL;
+      const hostname = req.headers.host;
+      const timestamp = new Date().toISOString();
+      const chainId = process.env.NEXT_PUBLIC_NETWORK_ID;
+      const chainName = process.env.NEXT_PUBLIC_NETWORK_NAME;
+      const publicRPC = process.env.NEXT_PUBLIC_NETWORK_RPC_URL;
 
-    fetch('https://monitor.blockscout.com/count', {
-      method: 'POST',
-      headers: { 'Content-Type': 'application/json' },
-      body: JSON.stringify({
-        hostname,
-        timestamp,
-        chainId,
-        chainName,
-        publicRPC,
-        uuid,
-      }),
-    });
+      fetch('https://monitor.blockscout.com/count', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({
+          hostname,
+          timestamp,
+          chainId,
+          chainName,
+          publicRPC,
+          uuid,
+        }),
+      });
+    }
   }
 
   return {

nextjs/utils/checkRealBrowser.ts

@@ -0,0 +1,80 @@
+import type { GetServerSidePropsContext } from 'next';
+
+const GENERIC_BOT_MARKERS = [
+  'bot',
+  'spider',
+  'crawler',
+  'httpclient',
+  'headlesschrome',
+  'phantomjs',
+  'puppeteer',
+  'playwright',
+  'node-fetch',
+  'axios',
+  'curl',
+  'wget',
+  'python-requests',
+  'go-http-client',
+  'libwww-perl',
+  'okhttp',
+  'postman',
+  'insomnia',
+];
+
+function toLower(input: string | null | undefined): string {
+  return (input || '').toLowerCase();
+}
+
+function isGenericBotUA(userAgent: string): boolean {
+  const ua = toLower(userAgent);
+  return GENERIC_BOT_MARKERS.some((m) => ua.includes(m));
+}
+
+function hasBrowserHeuristics(req: GetServerSidePropsContext['req']): boolean {
+  const acceptLanguage = req.headers['accept-language'];
+  const secChUa = req.headers['sec-ch-ua'];
+  const secFetchSite = req.headers['sec-fetch-site'];
+  const secFetchMode = req.headers['sec-fetch-mode'];
+  const upgradeInsecure = req.headers['upgrade-insecure-requests'];
+
+  const hasLang = Boolean(acceptLanguage);
+  const hasSecHeaders = Boolean(secChUa || secFetchSite || secFetchMode || upgradeInsecure);
+
+  return hasLang && hasSecHeaders;
+}
+
+export function isLikelyHumanBrowser(req: GetServerSidePropsContext['req']): boolean {
+  const userAgent = req.headers['user-agent'];
+  if (!userAgent) return false;
+
+  if (isGenericBotUA(userAgent)) return false;
+  if (!hasBrowserHeuristics(req)) return false;
+
+  // Inclusive check for common engines + brands across desktop and mobile
+  const hasEngineToken = /applewebkit|gecko/i.test(userAgent);
+  const hasKnownBrowserBrand = /chrome|safari|firefox|crios|fxios|edg|opr|samsungbrowser|vivaldi|whale|duckduckgo/i.test(userAgent);
+
+  return hasEngineToken && hasKnownBrowserBrand;
+}
+
+export function isKnownBotRequest(req: GetServerSidePropsContext['req']): boolean {
+  const ua = toLower(req.headers['user-agent']);
+  if (!ua) return false;
+
+  // Social preview bots
+  if (ua.includes('twitter')) return true;
+  if (ua.includes('facebook')) return true;
+  if (ua.includes('telegram')) return true;
+  if (ua.includes('slack')) return true;
+
+  // Search engine bots
+  if (ua.includes('googlebot')) return true;
+  if (ua.includes('bingbot')) return true;
+  if (ua.includes('yahoo')) return true;
+  if (ua.includes('duckduck')) return true;
+
+  // Generic markers
+  if (isGenericBotUA(ua)) return true;
+
+  return false;
+}