diff --git a/src/translation.js b/src/translation.js
index 06f72a1..639ecb4 100644
--- a/src/translation.js
+++ b/src/translation.js
@@ -558,7 +558,7 @@ export async function translateHTML(htmlContent, targetLanguage, sourceUrl = nul
 		});
 		
 		// Process chunks in batches to avoid overwhelming the API
-		const batchSize = 2; // Limit concurrent requests
+		const batchSize = 4; // Increased for faster processing
 		const translatedChunks = [];
 		
 		for (let i = 0; i < chunks.length; i += batchSize) {
@@ -587,8 +587,14 @@ export async function translateHTML(htmlContent, targetLanguage, sourceUrl = nul
 		const originalParser = new DOMParser();
 		const originalDoc = originalParser.parseFromString(processedContent, 'text/html');
 		
+		// Extract only the body content from each translated chunk to avoid stacking full HTML documents
+		const cleanedChunks = translatedChunks.map(chunk => {
+			const chunkDoc = new DOMParser().parseFromString(chunk, 'text/html');
+			return chunkDoc.body ? chunkDoc.body.innerHTML : chunk;
+		});
+		
 		// Replace the body content with reassembled translated chunks
-		const reassembledBodyContent = translatedChunks.join('');
+		const reassembledBodyContent = cleanedChunks.join('');
 		if (originalDoc.body) {
 			originalDoc.body.innerHTML = reassembledBodyContent;
 		} else {