diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/vi/NetTruyenFE.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/vi/NetTruyenFE.kt
index 42abd4ce..b02fb89b 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/vi/NetTruyenFE.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/vi/NetTruyenFE.kt
@@ -1,5 +1,9 @@
 package org.koitharu.kotatsu.parsers.site.wpcomics.vi
 
+import kotlinx.coroutines.async
+import kotlinx.coroutines.awaitAll
+import kotlinx.coroutines.coroutineScope
+import org.jsoup.nodes.Element
 import androidx.collection.ArrayMap
 import kotlinx.coroutines.sync.withLock
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
@@ -134,14 +138,26 @@ internal class NetTruyenFE(context: MangaLoaderContext) :
 	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
 		val fullUrl = chapter.url.toAbsoluteUrl(domain)
 		val doc = webClient.httpGet(fullUrl).parseHtml()
-		return doc.select(selectPage).map { url ->
-			var img = url.attr("data-original").toRelativeUrl(domain)
-			MangaPage(
-				id = generateUid(img),
-				url = img,
-				preview = null,
-				source = source,
-			)
+		return coroutineScope {
+			doc.select(selectPage).map { img ->
+				async { fetchPage(img) }
+			}.awaitAll().filterNotNull()
 		}
 	}
-}
+
+	private suspend fun fetchPage(img: Element): MangaPage? = runCatchingCancellable {
+		val url = img.attrAsRelativeUrlOrNull("data-original") ?: return@runCatchingCancellable null
+		webClient.httpHead(url).use { response ->
+			if (response.mimeType?.startsWith("image/") == true) {
+				MangaPage(
+					id = generateUid(url),
+					url = url,
+					preview = null,
+					source = source,
+				)
+			} else {
+				null
+			}
+		}
+	}.getOrNull()
+}
\ No newline at end of file
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/vi/NetTruyenLL.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/vi/NetTruyenLL.kt
index 6cc08b9d..f38f3242 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/vi/NetTruyenLL.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/vi/NetTruyenLL.kt
@@ -1,5 +1,9 @@
 package org.koitharu.kotatsu.parsers.site.wpcomics.vi
 
+import kotlinx.coroutines.async
+import kotlinx.coroutines.awaitAll
+import kotlinx.coroutines.coroutineScope
+import org.jsoup.nodes.Element
 import androidx.collection.ArrayMap
 import kotlinx.coroutines.sync.withLock
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
@@ -134,14 +138,26 @@ internal class NetTruyenLL(context: MangaLoaderContext) :
 	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
 		val fullUrl = chapter.url.toAbsoluteUrl(domain)
 		val doc = webClient.httpGet(fullUrl).parseHtml()
-		return doc.select(selectPage).map { url ->
-			var img = url.attr("data-original").toRelativeUrl(domain)
-			MangaPage(
-				id = generateUid(img),
-				url = img,
-				preview = null,
-				source = source,
-			)
+		return coroutineScope {
+			doc.select(selectPage).map { img ->
+				async { fetchPage(img) }
+			}.awaitAll().filterNotNull()
 		}
 	}
-}
+
+	private suspend fun fetchPage(img: Element): MangaPage? = runCatchingCancellable {
+		val url = img.attrAsRelativeUrlOrNull("data-original") ?: return@runCatchingCancellable null
+		webClient.httpHead(url).use { response ->
+			if (response.mimeType?.startsWith("image/") == true) {
+				MangaPage(
+					id = generateUid(url),
+					url = url,
+					preview = null,
+					source = source,
+				)
+			} else {
+				null
+			}
+		}
+	}.getOrNull()
+}
\ No newline at end of file
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/vi/NetTruyenSSR.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/vi/NetTruyenSSR.kt
index 6b9d0db2..bd9588f5 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/vi/NetTruyenSSR.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/vi/NetTruyenSSR.kt
@@ -1,5 +1,9 @@
 package org.koitharu.kotatsu.parsers.site.wpcomics.vi
 
+import kotlinx.coroutines.async
+import kotlinx.coroutines.awaitAll
+import kotlinx.coroutines.coroutineScope
+import org.jsoup.nodes.Element
 import androidx.collection.ArrayMap
 import kotlinx.coroutines.sync.withLock
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
@@ -134,14 +138,26 @@ internal class NetTruyenSSR(context: MangaLoaderContext) :
 	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
 		val fullUrl = chapter.url.toAbsoluteUrl(domain)
 		val doc = webClient.httpGet(fullUrl).parseHtml()
-		return doc.select(selectPage).map { url ->
-			var img = url.attr("data-original").toRelativeUrl(domain)
-			MangaPage(
-				id = generateUid(img),
-				url = img,
-				preview = null,
-				source = source,
-			)
+		return coroutineScope {
+			doc.select(selectPage).map { img ->
+				async { fetchPage(img) }
+			}.awaitAll().filterNotNull()
 		}
 	}
-}
+
+	private suspend fun fetchPage(img: Element): MangaPage? = runCatchingCancellable {
+		val url = img.attrAsRelativeUrlOrNull("data-original") ?: return@runCatchingCancellable null
+		webClient.httpHead(url).use { response ->
+			if (response.mimeType?.startsWith("image/") == true) {
+				MangaPage(
+					id = generateUid(url),
+					url = url,
+					preview = null,
+					source = source,
+				)
+			} else {
+				null
+			}
+		}
+	}.getOrNull()
+}
\ No newline at end of file
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/vi/NetTruyenUU.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/vi/NetTruyenUU.kt
index 318112f5..8e1cc40f 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/vi/NetTruyenUU.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/vi/NetTruyenUU.kt
@@ -1,5 +1,9 @@
 package org.koitharu.kotatsu.parsers.site.wpcomics.vi
 
+import kotlinx.coroutines.async
+import kotlinx.coroutines.awaitAll
+import kotlinx.coroutines.coroutineScope
+import org.jsoup.nodes.Element
 import androidx.collection.ArrayMap
 import kotlinx.coroutines.sync.withLock
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
@@ -134,14 +138,26 @@ internal class NetTruyenUU(context: MangaLoaderContext) :
 	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
 		val fullUrl = chapter.url.toAbsoluteUrl(domain)
 		val doc = webClient.httpGet(fullUrl).parseHtml()
-		return doc.select(selectPage).map { url ->
-			var img = url.attr("data-original").toRelativeUrl(domain)
-			MangaPage(
-				id = generateUid(img),
-				url = img,
-				preview = null,
-				source = source,
-			)
+		return coroutineScope {
+			doc.select(selectPage).map { img ->
+				async { fetchPage(img) }
+			}.awaitAll().filterNotNull()
 		}
 	}
-}
+
+	private suspend fun fetchPage(img: Element): MangaPage? = runCatchingCancellable {
+		val url = img.attrAsRelativeUrlOrNull("data-original") ?: return@runCatchingCancellable null
+		webClient.httpHead(url).use { response ->
+			if (response.mimeType?.startsWith("image/") == true) {
+				MangaPage(
+					id = generateUid(url),
+					url = url,
+					preview = null,
+					source = source,
+				)
+			} else {
+				null
+			}
+		}
+	}.getOrNull()
+}
\ No newline at end of file