diff --git a/src/components/ComicCard.astro b/src/components/ComicCard.astro
index f7923b0..476afdf 100644
--- a/src/components/ComicCard.astro
+++ b/src/components/ComicCard.astro
@@ -31,6 +31,8 @@ const isNSFW = comic.md_comics.content_rating === 'erotica';
           alt={comic.md_comics.title} 
           inferSize={true}
           class="w-full h-full object-cover transition-transform duration-500 group-hover:scale-110"
+          loading="lazy"
+          decoding="async"
         />
       ) : (
         <img
@@ -52,7 +54,10 @@ const isNSFW = comic.md_comics.content_rating === 'erotica';
     
     <div class="p-3 sm:p-4 md:p-5 flex-grow flex flex-col bg-secondary relative rounded-b-xl">
       <div class="absolute -top-6 sm:-top-8 left-2 right-2 sm:left-3 sm:right-3 bg-secondary/95 backdrop-blur-[12px] p-2 sm:p-3 rounded-lg shadow-lg border border-hover/30">
-        <h3 id={`comic-title-${comic.id}`} class="text-base sm:text-lg font-bold line-clamp-1 text-center text-primary drop-shadow-[0_1px_1px_rgba(0,0,0,0.5)]">
+        <h3 id={`comic-title-${comic.id}`} 
+          class="text-base sm:text-lg font-bold line-clamp-1 text-center text-primary drop-shadow-[0_1px_1px_rgba(0,0,0,0.5)]"
+          aria-label={comic.md_comics.title}
+        >
           {comic.md_comics.title}
         </h3>
       </div>
@@ -219,21 +224,36 @@ const isNSFW = comic.md_comics.content_rating === 'erotica';
       timerSpan.textContent = timeString;
     }
 
+    // Add intersection observer for lazy loading
+    const observer = new IntersectionObserver((entries) => {
+      entries.forEach(entry => {
+        if (entry.isIntersecting) {
+          const timer = entry.target.querySelector('.countdown-timer');
+          if (timer) updateTimer(timer);
+        }
+      });
+    });
+
+    // Update countdown timer initialization
     countdownTimers.forEach(timer => {
+      observer.observe(timer);
       updateTimer(timer);
-      // Update every second
-      setInterval(() => updateTimer(timer), 1000);
+      setInterval(() => {
+        if (timer.isConnected) updateTimer(timer);
+      }, 1000);
     });
   });
 
   function filterComics() {
     const excludedGenres = new Set(JSON.parse(localStorage.getItem('excluded-genres') || '[]'));
     
-    document.querySelectorAll('[data-genres]').forEach(card => {
-      const cardGenres = JSON.parse((card as HTMLElement).dataset.genres || '[]');
-      const shouldHide = cardGenres.some((genreId: number) => excludedGenres.has(genreId));
-      
-      card.classList.toggle('hidden', shouldHide);
+    // Use requestAnimationFrame for smoother updates
+    requestAnimationFrame(() => {
+      document.querySelectorAll('[data-genres]').forEach(card => {
+        const cardGenres = JSON.parse((card as HTMLElement).dataset.genres || '[]');
+        const shouldHide = cardGenres.some((genreId: number) => excludedGenres.has(genreId));
+        card.classList.toggle('hidden', shouldHide);
+      });
     });
   }
 
diff --git a/src/components/SlugInput.astro b/src/components/SlugInput.astro
index 42a3dc0..227615b 100644
--- a/src/components/SlugInput.astro
+++ b/src/components/SlugInput.astro
@@ -125,8 +125,15 @@ const languages = [
 
     const promises = [...slugs].map(async (slug) => {
       try {
-        // Use our API endpoint instead of direct ComicK API call
-        const response = await fetch(`/api/comic/${encodeURIComponent(slug)}`);
+        // Add timeout for comic info fetch
+        const controller = new AbortController();
+        const timeoutId = setTimeout(() => controller.abort(), 5000);
+        
+        const response = await fetch(`/api/comic/${encodeURIComponent(slug)}`, {
+          signal: controller.signal
+        });
+        clearTimeout(timeoutId);
+        
         if (!response.ok) throw new Error('Comic not found');
         
         const data = await response.json();
@@ -333,6 +340,17 @@ const languages = [
     
     if (slugString) {
       try {
+        // Add loading state
+        generateRSSLink!.innerHTML = `
+          <span class="flex items-center gap-2">
+            <svg class="w-5 h-5 animate-spin" viewBox="0 0 24 24">
+              <circle cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4" fill="none" stroke-linecap="round"/>
+            </svg>
+            Generating...
+          </span>
+        `;
+        generateRSSLink!.onclick = null;
+
         const response = await fetch('/api/create-feed', {
           method: 'POST',
           headers: {
@@ -348,9 +366,16 @@ const languages = [
         
         const { feedId } = await response.json();
         generateRSSLink!.href = `/rss/${feedId}.xml`;
-        generateRSSLink!.onclick = null;
       } catch (error) {
         console.error('Failed to generate feed:', error);
+        generateRSSLink!.innerHTML = `
+          <span class="flex items-center gap-2">
+            <svg class="w-5 h-5 animate-spin" viewBox="0 0 24 24">
+              <circle cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4" fill="none" stroke-linecap="round"/>
+            </svg>
+            Failed to generate feed
+          </span>
+        `;
       }
     } else {
       generateRSSLink!.href = '#';
diff --git a/src/layouts/Layout.astro b/src/layouts/Layout.astro
index 2d703b7..5cd48b4 100644
--- a/src/layouts/Layout.astro
+++ b/src/layouts/Layout.astro
@@ -276,5 +276,6 @@ const announcement = {
 <style define:vars={{ bgUrl: background.url }}>
   body::before {
     background-image: var(--bg-url);
+    transition: background-image 0.5s ease-in-out;
   }
 </style>
\ No newline at end of file