{"id":457,"date":"2026-06-09T10:04:00","date_gmt":"2026-06-09T09:04:00","guid":{"rendered":"https:\/\/masterymesh.com\/blog\/?p=457"},"modified":"2026-06-02T09:05:36","modified_gmt":"2026-06-02T08:05:36","slug":"nextjs-optimizacijski-savjeti","status":"publish","type":"post","link":"https:\/\/masterymesh.com\/blog\/web-development\/nextjs-optimizacijski-savjeti\/","title":{"rendered":"10 mo\u0107nih Next.js optimizacijskih savjeta za br\u017ee web aplikacije"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Next.js optimizacija<\/strong> klju\u010dna je za izradu brzih, skalabilnih i SEO-friendly web aplikacija. Iako Next.js dolazi s mnogim ugra\u0111enim optimizacijama, postoji niz dodatnih tehnika koje mogu zna\u010dajno pobolj\u0161ati performanse va\u0161e aplikacije.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Spora aplikacija mo\u017ee pove\u0107ati bounce rate, smanjiti konverzije i negativno utjecati na Core Web Vitals metrike koje Google koristi kao faktor rangiranja.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>U ovom vodi\u010du pokazat \u0107emo vam to\u010dno 10 provjerenih Next.js optimizacijskih savjeta koji \u0107e pomo\u0107i da va\u0161a aplikacija bude br\u017ea, u\u010dinkovitija i spremna za rast.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>Sadr\u017eaj<\/h2><nav><ul><li class=\"\"><a href=\"#1-analizirajte-velicinu-bundlea-pomocu-next-bundle-analyzer\">1. Analizirajte veli\u010dinu bundlea pomo\u0107u @next\/bundle-analyzer<\/a><\/li><li class=\"\"><a href=\"#2-koristite-dynamic-imports-za-lijeno-ucitavanje-komponenti\">2. Koristite Dynamic Imports za lijeno u\u010ditavanje komponenti<\/a><\/li><li class=\"\"><a href=\"#3-optimizirajte-slike-pomocu-next-image\">3. Optimizirajte slike pomo\u0107u next\/image<\/a><\/li><li class=\"\"><a href=\"#4-omogucite-swc-minify-za-brzi-build\">4. Omogu\u0107ite SWC Minify za br\u017ei build<\/a><\/li><li class=\"\"><a href=\"#5-koristite-middleware-samo-za-potrebne-rute\">5. Koristite Middleware samo za potrebne rute<\/a><\/li><li class=\"\"><a href=\"#6-podijelite-kod-pomocu-dynamic-imports\">6. Podijelite kod pomo\u0107u Dynamic Imports<\/a><\/li><li class=\"\"><a href=\"#7-koristite-tree-shaking\">7. Koristite Tree Shaking<\/a><\/li><li class=\"\"><a href=\"#8-postavite-pravilne-http-cache-headere\">8. Postavite pravilne HTTP cache headere<\/a><\/li><li class=\"\"><a href=\"#9-koristite-lighthouse-i-web-vitals\">9. Koristite Lighthouse i Web Vitals<\/a><\/li><li class=\"\"><a href=\"#10-koristite-edge-functions-za-manju-latenciju\">10. Koristite Edge Functions za manju latenciju<\/a><\/li><li class=\"\"><a href=\"#dodatni-savjeti-za-next-js-performanse\">Dodatni savjeti za Next.js performanse<\/a><\/li><li class=\"\"><a href=\"#faq\">FAQ<\/a><\/li><li class=\"\"><a href=\"#zakljucak\">Zaklju\u010dak<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"1-analizirajte-velicinu-bundlea-pomocu-next-bundle-analyzer\" class=\"wp-block-heading\">1. Analizirajte veli\u010dinu bundlea pomo\u0107u @next\/bundle-analyzer<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Prvi korak optimizacije je razumijevanje \u0161to zapravo ulazi u va\u0161 JavaScript bundle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Instalacija:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: bash; title: ; notranslate\" title=\"\">\nnpm install @next\/bundle-analyzer\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Konfiguracija u <code>next.config.js<\/code>:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\nconst withBundleAnalyzer = require(&#039;@next\/bundle-analyzer&#039;)({\n  enabled: process.env.ANALYZE === &#039;true&#039;,\n});\n\nmodule.exports = withBundleAnalyzer({});\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Pokretanje analize:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: bash; title: ; notranslate\" title=\"\">\nANALYZE=true npm run build\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Ovaj alat prikazuje koje biblioteke najvi\u0161e pove\u0107avaju bundle size.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"2-koristite-dynamic-imports-za-lijeno-ucitavanje-komponenti\" class=\"wp-block-heading\">2. Koristite Dynamic Imports za lijeno u\u010ditavanje komponenti<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ne moraju se sve komponente u\u010ditati odmah.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Primjer:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\nimport dynamic from &#039;next\/dynamic&#039;;\n\nconst Chart = dynamic(() =&gt; import(&#039;..\/components\/Chart&#039;), {\n  loading: () =&gt; &lt;p&gt;U\u010ditavanje...&lt;\/p&gt;,\n});\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Prednosti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>manji po\u010detni bundle<\/li>\n\n\n\n<li>br\u017ei First Contentful Paint<\/li>\n\n\n\n<li>bolje korisni\u010dko iskustvo<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"3-optimizirajte-slike-pomocu-next-image\" class=\"wp-block-heading\">3. Optimizirajte slike pomo\u0107u next\/image<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Next.js automatski optimizira slike.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Umjesto:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\n&lt;img src=&quot;\/hero.jpg&quot; alt=&quot;Hero&quot; \/&gt;\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Koristite:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\nimport Image from &#039;next\/image&#039;;\n\n&lt;Image\n  src=&quot;\/hero.jpg&quot;\n  alt=&quot;Hero&quot;\n  width={1200}\n  height={600}\n\/&gt;\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Prednosti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>automatski WebP<\/li>\n\n\n\n<li>lazy loading<\/li>\n\n\n\n<li>responsive slike<\/li>\n\n\n\n<li>manje kori\u0161tenje bandwidtha<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"4-omogucite-swc-minify-za-brzi-build\" class=\"wp-block-heading\">4. Omogu\u0107ite SWC Minify za br\u017ei build<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SWC je moderni Rust-based compiler koji zamjenjuje Terser.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">U <code>next.config.js<\/code>:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\nmodule.exports = {\n  swcMinify: true,\n};\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Prednosti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>kra\u0107e build vrijeme<\/li>\n\n\n\n<li>manji bundle<\/li>\n\n\n\n<li>br\u017ei deployment<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"5-koristite-middleware-samo-za-potrebne-rute\" class=\"wp-block-heading\">5. Koristite Middleware samo za potrebne rute<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Middleware se izvr\u0161ava na svakom requestu koji odgovara matcheru.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lo\u0161 primjer:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\nexport function middleware(request) {\n  return NextResponse.next();\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Bolji primjer:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\nexport const config = {\n  matcher: &#x5B;&#039;\/dashboard\/:path*&#039;],\n};\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Na taj na\u010din middleware radi samo tamo gdje je potreban.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"6-podijelite-kod-pomocu-dynamic-imports\" class=\"wp-block-heading\">6. Podijelite kod pomo\u0107u Dynamic Imports<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Velike biblioteke \u010desto nije potrebno u\u010ditati odmah.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Primjer:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\nconst ReactPlayer = dynamic(\n  () =&gt; import(&#039;react-player&#039;),\n  { ssr: false }\n);\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Ovo je posebno korisno za:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>video playere<\/li>\n\n\n\n<li>grafikone<\/li>\n\n\n\n<li>mape<\/li>\n\n\n\n<li>admin funkcionalnosti<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"7-koristite-tree-shaking\" class=\"wp-block-heading\">7. Koristite Tree Shaking<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tree Shaking uklanja neiskori\u0161teni kod iz finalnog bundlea.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lo\u0161 primjer:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\nimport * as lodash from &#039;lodash&#039;;\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Bolji primjer:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\nimport debounce from &#039;lodash\/debounce&#039;;\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Na taj na\u010din bundle sadr\u017ei samo ono \u0161to zaista koristite.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"8-postavite-pravilne-http-cache-headere\" class=\"wp-block-heading\">8. Postavite pravilne HTTP cache headere<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cache mo\u017ee zna\u010dajno smanjiti broj zahtjeva prema serveru.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Primjer u <code>next.config.js<\/code>:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\nasync headers() {\n  return &#x5B;\n    {\n      source: &#039;\/images\/:path*&#039;,\n      headers: &#x5B;\n        {\n          key: &#039;Cache-Control&#039;,\n          value: &#039;public, max-age=31536000, immutable&#039;,\n        },\n      ],\n    },\n  ];\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Prednosti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>manje server optere\u0107enje<\/li>\n\n\n\n<li>br\u017ee u\u010ditavanje<\/li>\n\n\n\n<li>bolje korisni\u010dko iskustvo<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"9-koristite-lighthouse-i-web-vitals\" class=\"wp-block-heading\">9. Koristite Lighthouse i Web Vitals<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Optimizacija bez mjerenja nema smisla.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokretanje Lighthouse analize:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\nnpm install -g lighthouse\n\nlighthouse https:\/\/example.com\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Pra\u0107enje Web Vitals metrika:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\nexport function reportWebVitals(metric) {\n  console.log(metric);\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Pratite:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>LCP<\/li>\n\n\n\n<li>CLS<\/li>\n\n\n\n<li>INP<\/li>\n\n\n\n<li>FCP<\/li>\n\n\n\n<li>TTFB<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ove metrike direktno utje\u010du na SEO i UX.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"10-koristite-edge-functions-za-manju-latenciju\" class=\"wp-block-heading\">10. Koristite Edge Functions za manju latenciju<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Edge Functions izvr\u0161avaju kod bli\u017ee korisniku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Primjer API rute:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\nexport const runtime = &#039;edge&#039;;\n\nexport async function GET() {\n  return new Response(\n    JSON.stringify({ status: &#039;ok&#039; }),\n    {\n      headers: {\n        &#039;Content-Type&#039;: &#039;application\/json&#039;,\n      },\n    }\n  );\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Prednosti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>manja latencija<\/li>\n\n\n\n<li>br\u017ei API odgovori<\/li>\n\n\n\n<li>bolje globalno iskustvo korisnika<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"dodatni-savjeti-za-next-js-performanse\" class=\"wp-block-heading\">Dodatni savjeti za Next.js performanse<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Osim navedenih tehnika, preporu\u010duje se:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>koristiti Server Components gdje god je mogu\u0107e<\/li>\n\n\n\n<li>smanjiti broj vanjskih skripti<\/li>\n\n\n\n<li>optimizirati fontove<\/li>\n\n\n\n<li>koristiti CDN<\/li>\n\n\n\n<li>redovito pratiti Core Web Vitals<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"faq\" class=\"wp-block-heading\">FAQ<\/h2>\n\n\n\n<h3 id=\"koliko-je-vazna-next-js-optimizacija\" class=\"wp-block-heading\">Koliko je va\u017ena Next.js optimizacija?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vrlo va\u017ena. Utje\u010de na SEO, korisni\u010dko iskustvo i konverzije.<\/p>\n\n\n\n<h3 id=\"trebam-li-koristiti-dynamic-imports\" class=\"wp-block-heading\">Trebam li koristiti Dynamic Imports?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Da, posebno za velike komponente koje nisu potrebne odmah nakon u\u010ditavanja stranice.<\/p>\n\n\n\n<h3 id=\"utjece-li-optimizacija-na-google-ranking\" class=\"wp-block-heading\">Utje\u010de li optimizacija na Google ranking?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Da. Br\u017ee stranice obi\u010dno ostvaruju bolje Core Web Vitals rezultate, \u0161to mo\u017ee pozitivno utjecati na SEO.<\/p>\n\n\n\n<h3 id=\"sto-prvo-optimizirati\" class=\"wp-block-heading\">\u0160to prvo optimizirati?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Po\u010dnite analizom bundle sizea i optimizacijom slika jer \u010desto donose najve\u0107a pobolj\u0161anja.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"zakljucak\" class=\"wp-block-heading\">Zaklju\u010dak<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Next.js ve\u0107 dolazi s brojnim ugra\u0111enim optimizacijama, ali pravi rezultati dolaze kada ih kombinirate s naprednijim tehnikama poput code splittinga, cacheiranja, Edge Functionsa i pra\u0107enja Web Vitals metrika.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Primjenom ovih 10 savjeta mo\u017eete zna\u010dajno pobolj\u0161ati brzinu aplikacije, korisni\u010dko iskustvo i SEO performanse te osigurati da va\u0161a Next.js aplikacija ostane brza \u010dak i kako raste broj korisnika. \ud83d\ude80<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Next.js optimizacija klju\u010dna je za izradu brzih, skalabilnih i SEO-friendly web aplikacija. Iako Next.js dolazi&#8230;<\/p>\n","protected":false},"author":1,"featured_media":458,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[6],"tags":[],"class_list":["post-457","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-web-development"],"_links":{"self":[{"href":"https:\/\/masterymesh.com\/blog\/wp-json\/wp\/v2\/posts\/457","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/masterymesh.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterymesh.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterymesh.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterymesh.com\/blog\/wp-json\/wp\/v2\/comments?post=457"}],"version-history":[{"count":1,"href":"https:\/\/masterymesh.com\/blog\/wp-json\/wp\/v2\/posts\/457\/revisions"}],"predecessor-version":[{"id":459,"href":"https:\/\/masterymesh.com\/blog\/wp-json\/wp\/v2\/posts\/457\/revisions\/459"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/masterymesh.com\/blog\/wp-json\/wp\/v2\/media\/458"}],"wp:attachment":[{"href":"https:\/\/masterymesh.com\/blog\/wp-json\/wp\/v2\/media?parent=457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterymesh.com\/blog\/wp-json\/wp\/v2\/categories?post=457"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterymesh.com\/blog\/wp-json\/wp\/v2\/tags?post=457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}