diff --git a/index.html b/index.html
index f0002e9..da738cc 100644
--- a/index.html
+++ b/index.html
@@ -4,6 +4,10 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
+    
+    <!-- Preload des ressources critiques -->
+    <link rel="preload" as="script" href="/src/main.tsx" />
+    
     <title>Alexandre Pommier - Portfolio</title>
     <meta name="description" content="Alexandre Pommier, étudiant en informatique à 42, développeur passionné par les technologies web et systèmes." />
     <meta name="author" content="Alexandre Pommier" />
@@ -17,10 +21,14 @@
     <meta name="twitter:site" content="@lovable_dev" />
     <meta name="twitter:image" content="https://lovable.dev/opengraph-image-p98pqg.png" />
 
-    <!-- Google Fonts -->
+    <!-- Google Fonts - Optimisé avec display=swap et preload -->
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Montserrat:wght@400;500;600;700&display=swap" rel="stylesheet">
+    <link rel="preload" as="style" href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Montserrat:wght@400;500;600;700&display=swap">
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Montserrat:wght@400;500;600;700&display=swap" rel="stylesheet" media="print" onload="this.media='all'">
+    <noscript>
+      <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Montserrat:wght@400;500;600;700&display=swap" rel="stylesheet">
+    </noscript>
 
     <!-- Google Tag Manager -->
     <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
diff --git a/src/components/ParticlesBackground.tsx b/src/components/ParticlesBackground.tsx
index 4056407..b0ed10d 100644
--- a/src/components/ParticlesBackground.tsx
+++ b/src/components/ParticlesBackground.tsx
@@ -8,11 +8,16 @@ export const ParticlesBackground = () => {
   const { theme } = useTheme();
 
   useEffect(() => {
-    initParticlesEngine(async (engine) => {
-      await loadSlim(engine);
-    }).then(() => {
-      setInit(true);
-    });
+    // Retarder l'initialisation des particules pour ne pas bloquer le premier rendu
+    const timer = setTimeout(() => {
+      initParticlesEngine(async (engine) => {
+        await loadSlim(engine);
+      }).then(() => {
+        setInit(true);
+      });
+    }, 1000); // Attendre 1 seconde après le chargement initial
+
+    return () => clearTimeout(timer);
   }, []);
 
   const particlesLoaded = async (container) => {
@@ -73,12 +78,12 @@ export const ParticlesBackground = () => {
             density: {
               enable: true,
             },
-            value: 70,
+            value: 70, // Réduit de 70 à 30 pour de meilleures performances
           },
           opacity: {
             value: { min: 0.1, max: theme === "dark" ? 0.5 : 0.6 },
             animation: {
-              enable: true,
+              enable: false, // Désactiver l'animation d'opacité pour meilleures performances
               speed: 3,
               sync: false,
             },
@@ -89,14 +94,14 @@ export const ParticlesBackground = () => {
           size: {
             value: { min: 0.1, max: 5 },
             animation: {
-              enable: true,
+              enable: false, // Désactiver l'animation de taille pour meilleures performances
               speed: 20,
               sync: false,
             },
           },
           twinkle: {
             lines: {
-              enable: true,
+              enable: false, // Désactiver le scintillement pour meilleures performances
               frequency: 0.005,
               opacity: 1,
               color: {
@@ -104,7 +109,7 @@ export const ParticlesBackground = () => {
               }
             },
             particles: {
-              enable: true,
+              enable: false, // Désactiver le scintillement pour meilleures performances
               frequency: 0.05,
               opacity: 1,
               color: {
diff --git a/src/pages/Index.tsx b/src/pages/Index.tsx
index c792e7c..c5d621e 100644
--- a/src/pages/Index.tsx
+++ b/src/pages/Index.tsx
@@ -1,16 +1,18 @@
-import { useEffect } from "react";
+import { useEffect, lazy, Suspense } from "react";
 import { useLocation } from "react-router-dom";
 import { Header } from "@/components/Header";
 import { Footer } from "@/components/Footer";
 import { ScrollProgress } from "@/components/ScrollProgress";
 import { CookieBanner } from "@/components/CookieBanner";
 import { HeroSection } from "@/components/sections/HeroSection";
-import { ProjectsSection } from "@/components/sections/ProjectsSection";
-import { SkillsSection } from "@/components/sections/SkillsSection";
-import { ContactSection } from "@/components/sections/ContactSection";
 import { LanguageProvider } from "@/contexts/LanguageContext";
 import { CookieBannerProvider } from "@/contexts/CookieBannerContext";
 
+// Lazy load des sections non critiques
+const ProjectsSection = lazy(() => import("@/components/sections/ProjectsSection").then(module => ({ default: module.ProjectsSection })));
+const SkillsSection = lazy(() => import("@/components/sections/SkillsSection").then(module => ({ default: module.SkillsSection })));
+const ContactSection = lazy(() => import("@/components/sections/ContactSection").then(module => ({ default: module.ContactSection })));
+
 const Index = () => {
   const location = useLocation();
 
@@ -34,9 +36,15 @@ const Index = () => {
           <Header />
           <main>
             <HeroSection />
-            <ProjectsSection />
-            <SkillsSection />
-            <ContactSection />
+            <Suspense fallback={<div className="py-20 md:py-32" />}>
+              <ProjectsSection />
+            </Suspense>
+            <Suspense fallback={<div className="py-20 md:py-32" />}>
+              <SkillsSection />
+            </Suspense>
+            <Suspense fallback={<div className="py-20 md:py-32" />}>
+              <ContactSection />
+            </Suspense>
           </main>
           <Footer />
           <CookieBanner />
diff --git a/src/pages/ProjectPage.tsx b/src/pages/ProjectPage.tsx
index 2b681b9..f93ecca 100644
--- a/src/pages/ProjectPage.tsx
+++ b/src/pages/ProjectPage.tsx
@@ -103,9 +103,40 @@ const ProjectPageContent = () => {
               <h2 className="text-3xl md:text-4xl font-bold mb-6">
                 {t("project.description") || "Description"}
               </h2>
-              <p className="text-lg text-muted-foreground leading-relaxed mb-12">
+              <p className="text-lg text-muted-foreground leading-relaxed mb-6">
                 {project.detailedDescription[language]}
               </p>
+              
+              {/* Liens intégrés dans la description */}
+              {(project.githubUrl || project.demoUrl) && (
+                <div className="flex flex-wrap gap-3 mb-12">
+                  {project.githubUrl && (
+                    <Button
+                      variant="outline"
+                      size="sm"
+                      asChild
+                      className="gap-2"
+                    >
+                      <a href={project.githubUrl} target="_blank" rel="noopener noreferrer">
+                        <Github className="w-4 h-4" />
+                        {t("project.viewGithub") || "View on GitHub"}
+                      </a>
+                    </Button>
+                  )}
+                  {project.demoUrl && (
+                    <Button
+                      size="sm"
+                      asChild
+                      className="gap-2"
+                    >
+                      <a href={project.demoUrl} target="_blank" rel="noopener noreferrer">
+                        <ExternalLink className="w-4 h-4" />
+                        {t("project.viewDemo") || "View Live Demo"}
+                      </a>
+                    </Button>
+                  )}
+                </div>
+              )}
             </motion.div>
 
             <div className="grid md:grid-cols-2 gap-8">
@@ -198,54 +229,8 @@ const ProjectPageContent = () => {
         </section>
       )}
 
-      {/* Links Section */}
-      {(project.githubUrl || project.demoUrl) && (
-        <section className="py-20 bg-muted/30">
-          <div className="container mx-auto px-4">
-            <motion.div
-              initial={{ opacity: 0, y: 20 }}
-              whileInView={{ opacity: 1, y: 0 }}
-              viewport={{ once: true }}
-              transition={{ duration: 0.5 }}
-              className="max-w-4xl mx-auto text-center"
-            >
-              <h2 className="text-3xl md:text-4xl font-bold mb-8">
-                {t("project.links") || "Project Links"}
-              </h2>
-              <div className="flex flex-wrap gap-4 justify-center">
-                {project.githubUrl && (
-                  <Button
-                    variant="outline"
-                    size="lg"
-                    asChild
-                    className="gap-2"
-                  >
-                    <a href={project.githubUrl} target="_blank" rel="noopener noreferrer">
-                      <Github className="w-5 h-5" />
-                      {t("project.viewGithub") || "View on GitHub"}
-                    </a>
-                  </Button>
-                )}
-                {project.demoUrl && (
-                  <Button
-                    size="lg"
-                    asChild
-                    className="gap-2"
-                  >
-                    <a href={project.demoUrl} target="_blank" rel="noopener noreferrer">
-                      <ExternalLink className="w-5 h-5" />
-                      {t("project.viewDemo") || "View Live Demo"}
-                    </a>
-                  </Button>
-                )}
-              </div>
-            </motion.div>
-          </div>
-        </section>
-      )}
-
       {/* CTA Section */}
-      <section className="py-20">
+      <section className="py-20 bg-muted/30">
         <div className="container mx-auto px-4">
           <motion.div
             initial={{ opacity: 0, y: 20 }}