perf: optimize

Omikorin · Omikorin · commit b8a783798584 · 2025-08-10T03:21:20.000Z
diff --git a/public/sitemap-0.xml b/public/sitemap-0.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:mobile="http://www.google.com/schemas/sitemap-mobile/1.0" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1" xmlns:video="http://www.google.com/schemas/sitemap-video/1.1">
-<url><loc>https://18.sesja.linuksowa.pl</loc><lastmod>2025-01-03T21:38:55.195Z</lastmod><changefreq>daily</changefreq><priority>0.7</priority></url>
-<url><loc>https://18.sesja.linuksowa.pl/coc</loc><lastmod>2025-01-03T21:38:55.197Z</lastmod><changefreq>daily</changefreq><priority>0.7</priority></url>
+<url><loc>https://18.sesja.linuksowa.pl</loc><lastmod>2025-08-10T03:21:11.502Z</lastmod><changefreq>daily</changefreq><priority>0.7</priority></url>
+<url><loc>https://18.sesja.linuksowa.pl/coc</loc><lastmod>2025-08-10T03:21:11.502Z</lastmod><changefreq>daily</changefreq><priority>0.7</priority></url>
 </urlset>
diff --git a/src/components/navbar/index.tsx b/src/components/navbar/index.tsx
@@ -1,7 +1,7 @@
 import { Box, Flex, Link } from '@chakra-ui/react';
 import { useTranslation } from 'next-export-i18n';
 import ExportedImage from 'next-image-export-optimizer';
-import { useEffect, useState } from 'react';
+import { useCallback, useEffect, useState } from 'react';
 import Logo from '@/assets/images/sesja_logo_jasne_biale.webp';
 import DefaultButton from '@/components/common/DefaultButton';
 import config from '@/config';
@@ -67,18 +67,23 @@ const Navbar = () => {
     { text: t('menu.sponsors'), sectionId: 'sponsors' },
   ].filter(({ text }) => text) as MenuProps;
 
-  const changeBackground = () => {
+  const changeBackground = useCallback(() => {
     if (window.scrollY >= 60) {
       setBg('rgba(0,0,0,1)');
     } else {
       setBg('rgba(0,0,0,0)');
     }
-  };
+  }, []);
 
   useEffect(() => {
     changeBackground();
-    window.addEventListener('scroll', changeBackground);
-  });
+
+    window.addEventListener('scroll', changeBackground, { passive: true });
+
+    return () => {
+      window.removeEventListener('scroll', changeBackground);
+    };
+  }, [changeBackground]);
 
   return (
     <Box
diff --git a/src/pages/_app.tsx b/src/pages/_app.tsx
@@ -1,7 +1,7 @@
-import { Provider } from '@/components/ui/provider';
 import type { AppProps } from 'next/app';
 import Head from 'next/head';
 import Script from 'next/script';
+import { Provider } from '@/components/ui/provider';
 import './particles.css';
 
 export default function App({ Component, pageProps }: AppProps) {
diff --git a/src/pages/_document.tsx b/src/pages/_document.tsx
@@ -36,6 +36,7 @@ export default function Home() {
         />
         <link rel="manifest" href="/site.webmanifest" />
         <link rel="me" href="https://fosstodon.org/@ASI" />
+        <link rel="preconnect" href="https://scripts.simpleanalyticscdn.com" />
       </Head>
       <body>
         <Main />
