diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/FoolSlideParser.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/FoolSlideParser.kt
index c7e7696a6..6d937b78d 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/FoolSlideParser.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/FoolSlideParser.kt
@@ -114,7 +114,7 @@ internal abstract class FoolSlideParser(
 
 		manga.copy(
 			tags = emptySet(),
-			coverUrl = doc.selectFirst(".thumbnail img")?.src().orEmpty(),// for manga result on search
+			coverUrl = doc.selectFirst(".thumbnail img")?.src() ?: manga.coverUrl,
 			description = desc,
 			altTitle = null,
 			author = author,
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/en/AssortedScans.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/en/AssortedScans.kt
index bbcaa1294..1e9152e2b 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/en/AssortedScans.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/en/AssortedScans.kt
@@ -8,7 +8,6 @@ import org.koitharu.kotatsu.parsers.MangaSourceParser
 import org.koitharu.kotatsu.parsers.model.*
 import org.koitharu.kotatsu.parsers.site.foolslide.FoolSlideParser
 import org.koitharu.kotatsu.parsers.util.*
-import java.util.ArrayList
 
 
 @MangaSourceParser("ASSORTEDSCANS", "AssortedScans", "en")
@@ -28,13 +27,17 @@ internal class AssortedScans(context: MangaLoaderContext) :
 
 		val doc = if (!query.isNullOrEmpty()) {
 
+			if (page > 1) {
+				return emptyList()
+			}
+
 			val url = buildString {
-				append("https://$domain/$searchUrl")
+				append("https://")
+				append(domain)
+				append('/')
+				append(searchUrl)
 				append("?q=")
 				append(query.urlEncoded())
-				if (page > 1) {
-					return emptyList()
-				}
 			}
 			webClient.httpGet(url).parseHtml()
 		} else {
@@ -87,8 +90,7 @@ internal class AssortedScans(context: MangaLoaderContext) :
 		val author = doc.getElementById("series-authors")?.selectFirst("div.author")?.text()
 		val state = doc.getElementById("series-status")?.selectFirst("span")?.text()
 		manga.copy(
-			tags = emptySet(),
-			coverUrl = doc.selectFirst(".cover")?.src().orEmpty(),// for manga result on search
+			coverUrl = doc.selectFirst(".cover")?.src() ?: manga.coverUrl,
 			description = desc,
 			altTitle = alt,
 			author = author,
@@ -120,22 +122,23 @@ internal class AssortedScans(context: MangaLoaderContext) :
 	}
 
 	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
-		val chapterUrl = chapter.url.toAbsoluteUrl(domain)
-		val docs = webClient.httpGet(chapterUrl).parseHtml()
-		val max = docs.selectFirstOrThrow(".curr-page input").attr("data-max").toInt() + 1
-		val pages = ArrayList<MangaPage>(max)
-		for (i in 1 until max) {
-			val pagesUrl = chapterUrl + i
-			val page = webClient.httpGet(pagesUrl).parseHtml().requireElementById("page-image").attr("src")
-			pages.add(
-				MangaPage(
-					id = generateUid(page),
-					url = page,
-					preview = null,
-					source = source,
-				),
+		val doc = webClient.httpGet(chapter.url.toAbsoluteUrl(domain)).parseHtml()
+		return doc.body().select(".page-list .dropdown-list li a").map { a ->
+			val url = a.attr("href").toRelativeUrl(domain)
+			MangaPage(
+				id = generateUid(url),
+				url = url,
+				preview = null,
+				source = source,
 			)
 		}
-		return pages
 	}
+
+	override suspend fun getPageUrl(page: MangaPage): String {
+		val doc = webClient.httpGet(page.url.toAbsoluteUrl(domain)).parseHtml()
+		val root = doc.body()
+		return root.requireElementById("page-image").attr("src") ?: doc.parseFailed("Page image not found")
+	}
+
+
 }
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/en/Seinagi.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/en/Seinagi.kt
index f6a19fb36..e365699a5 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/en/Seinagi.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/en/Seinagi.kt
@@ -39,8 +39,7 @@ internal class Seinagi(context: MangaLoaderContext) :
 		}
 
 		manga.copy(
-			tags = emptySet(),
-			coverUrl = doc.selectFirst(".thumbnail img")?.src().orEmpty(),// for manga result on search
+			coverUrl = doc.selectFirst(".thumbnail img")?.src() ?: manga.coverUrl,
 			description = desc,
 			altTitle = null,
 			author = author,
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/es/Pzykosis666hFansub.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/es/Pzykosis666hFansub.kt
index 8a2deaca3..3a60241bb 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/es/Pzykosis666hFansub.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/es/Pzykosis666hFansub.kt
@@ -38,7 +38,7 @@ internal class Pzykosis666hFansub(context: MangaLoaderContext) :
 
 		manga.copy(
 			tags = emptySet(),
-			coverUrl = doc.selectFirst(".thumbnail img")?.src().orEmpty(),// for manga result on search
+			coverUrl = doc.selectFirst(".thumbnail img")?.src() ?: manga.coverUrl,
 			description = desc,
 			altTitle = null,
 			author = author,
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/es/SeinagiAdulto.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/es/SeinagiAdulto.kt
index 57440d4e8..f159dee72 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/es/SeinagiAdulto.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/es/SeinagiAdulto.kt
@@ -44,7 +44,6 @@ internal class SeinagiAdulto(context: MangaLoaderContext) :
 		}
 
 		manga.copy(
-			tags = emptySet(),
 			coverUrl = doc.selectFirst(".thumbnail img")?.src().orEmpty(),// for manga result on search
 			description = desc,
 			altTitle = null,
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/all/Manhwa18Cc.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/all/Manhwa18Cc.kt
index f1e3077ae..a5cdab11c 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/all/Manhwa18Cc.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/all/Manhwa18Cc.kt
@@ -117,7 +117,7 @@ internal class Manhwa18Cc(context: MangaLoaderContext) :
 		val doc = webClient.httpGet(fullUrl).parseHtml()
 		val root = doc.body().selectFirstOrThrow(selectBodyPage)
 		return root.select("img").map { img ->
-			val url = img.src().orEmpty()
+			val url = img.src() ?: img.parseFailed("Image src not found")
 			MangaPage(
 				id = generateUid(url),
 				url = url,
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/en/InstaManhwa.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/en/InstaManhwa.kt
index 90908052a..7249c8faf 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/en/InstaManhwa.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/en/InstaManhwa.kt
@@ -90,8 +90,8 @@ internal class InstaManhwa(context: MangaLoaderContext) :
 				author = summary?.selectFirst(".mg_author")?.selectFirst("a")?.ownText(),
 				state = when (summary?.selectFirst(".mg_status")?.selectFirst(".summary-content")?.ownText()?.trim()
 					?.lowercase()) {
-					"Ongoing" -> MangaState.ONGOING
-					"Completed " -> MangaState.FINISHED
+					"ongoing" -> MangaState.ONGOING
+					"completed " -> MangaState.FINISHED
 					else -> null
 				},
 				source = source,
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/es/TmoManga.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/es/TmoManga.kt
index 4517d8df6..8ec8ac63f 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/es/TmoManga.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/es/TmoManga.kt
@@ -65,7 +65,7 @@ internal class TmoManga(context: MangaLoaderContext) :
 		val doc = webClient.httpGet(url).parseHtml()
 
 		return doc.select("div.page-item-detail").map { div ->
-			val href = div.selectFirst("a")?.attrAsRelativeUrlOrNull("href") ?: div.parseFailed("Link not found")
+			val href = div.selectFirstOrThrow("a").attrAsRelativeUrl("href")
 			Manga(
 				id = generateUid(href),
 				url = href,
@@ -85,8 +85,8 @@ internal class TmoManga(context: MangaLoaderContext) :
 
 	override suspend fun getChapters(manga: Manga, doc: Document): List<MangaChapter> {
 		return doc.body().select(selectChapter).mapChapters(reversed = true) { i, li ->
-			val a = li.selectFirst("a")
-			val href = a?.attrAsRelativeUrlOrNull("href") ?: li.parseFailed("Link is missing")
+			val a = li.selectFirstOrThrow("a")
+			val href = a.attrAsRelativeUrl("href")
 			val link = href + stylepage
 			val name = a.selectFirst("p")?.text() ?: a.ownText()
 			MangaChapter(
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/tr/TitanManga.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/tr/TitanManga.kt
index 754552a4b..cf71a49ae 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/tr/TitanManga.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/tr/TitanManga.kt
@@ -18,8 +18,8 @@ internal class TitanManga(context: MangaLoaderContext) :
 		val url = mangaUrl.toAbsoluteUrl(domain).removeSuffix('/') + "/ajax/chapters/"
 		val doc = webClient.httpPost(url, emptyMap()).parseHtml()
 		return doc.select(selectChapter).mapChapters(reversed = true) { i, li ->
-			val a = li.selectFirst("a")
-			val href = a?.attrAsRelativeUrlOrNull("href") ?: li.parseFailed("Link is missing")
+			val a = li.selectFirstOrThrow("a")
+			val href = a.attrAsRelativeUrl("href")
 			val link = href + stylepage
 			val name = a.selectFirst("p")?.text() ?: a.ownText()
 			MangaChapter(
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madtheme/all/ManhuaScan.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madtheme/all/ManhuaScan.kt
index b0f75f0db..8c0876a3c 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madtheme/all/ManhuaScan.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/madtheme/all/ManhuaScan.kt
@@ -23,7 +23,9 @@ internal class ManhuaScan(context: MangaLoaderContext) :
 		val url = buildString {
 			append("https://")
 			append(domain)
-			append("/$listUrl?sort=")
+			append('/')
+			append(listUrl)
+			append("?sort=")
 			when (sortOrder) {
 				SortOrder.POPULARITY -> append("views")
 				SortOrder.UPDATED -> append("updated_at")
@@ -84,19 +86,14 @@ internal class ManhuaScan(context: MangaLoaderContext) :
 
 		val script = docs.selectFirstOrThrow("script:containsData(var chapImages)")
 		val images = script.data().substringAfter("= \"").substringBefore("\";").split(",")
-
-		val pages = ArrayList<MangaPage>()
-		images.map {
-			pages.add(
-				MangaPage(
-					id = generateUid(it),
-					url = it,
-					preview = null,
-					source = source,
-				),
+		return images.map {
+			MangaPage(
+				id = generateUid(it),
+				url = it,
+				preview = null,
+				source = source,
 			)
 		}
-		return pages
 	}
 
 }
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangareader/en/Constellarcomic.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangareader/en/Constellarcomic.kt
index d582c275a..deb021492 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangareader/en/Constellarcomic.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangareader/en/Constellarcomic.kt
@@ -18,7 +18,7 @@ internal class Constellarcomic(context: MangaLoaderContext) :
 			val url = element.selectFirst("a")?.attrAsRelativeUrl("href") ?: return@mapChapters null
 			MangaChapter(
 				id = generateUid(url),
-				name = element.selectFirst(".chapternum")?.text() ?: "Chapter ${index + 1}",
+				name = element.selectFirst(".chapternum")?.textOrNull() ?: "Chapter ${index + 1}",
 				url = url,
 				number = index + 1,
 				scanlator = null,
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangareader/es/TuManhwas.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangareader/es/TuManhwas.kt
index fae9588e9..d9fc72502 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangareader/es/TuManhwas.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangareader/es/TuManhwas.kt
@@ -57,7 +57,7 @@ internal class TuManhwas(context: MangaLoaderContext) :
 			val url = element.selectFirst("a")?.attrAsRelativeUrl("href") ?: return@mapChapters null
 			MangaChapter(
 				id = generateUid(url),
-				name = element.selectFirst(".chapternum")?.text() ?: "Chapter ${index + 1}",
+				name = element.selectFirst(".chapternum")?.textOrNull() ?: "Chapter ${index + 1}",
 				url = url,
 				number = index + 1,
 				scanlator = null,
@@ -77,9 +77,9 @@ internal class TuManhwas(context: MangaLoaderContext) :
 		val stateSelect = docs.selectFirst(".tsinfo div:contains(Estado)")
 		val state = stateSelect?.lastElementChild()
 		val mangaState = state?.let {
-			when (it.text()) {
+			when (it.text().lowercase()) {
 				"publishing" -> MangaState.ONGOING
-				"Terminado" -> MangaState.FINISHED
+				"terminado" -> MangaState.FINISHED
 				else -> null
 			}
 		}
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/mmrcms/ar/Onma.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/mmrcms/ar/Onma.kt
index bf20b1df3..2ffee433d 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/mmrcms/ar/Onma.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/mmrcms/ar/Onma.kt
@@ -72,7 +72,7 @@ internal class Onma(context: MangaLoaderContext) :
 
 			return doc.select("div.manga-item").map { div ->
 				val href = div.selectFirstOrThrow("a").attrAsRelativeUrl("href")
-				val deeplink = href.substringAfterLast("/")
+				val deeplink = href.substringAfterLast('/')
 				Manga(
 					id = generateUid(href),
 					url = href,