diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/all/ExHentaiParser.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/all/ExHentaiParser.kt
index e8025121..2e0bae3a 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/all/ExHentaiParser.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/all/ExHentaiParser.kt
@@ -289,7 +289,7 @@ internal class ExHentaiParser(
 		val response = chain.proceed(chain.request())
 		if (response.headersContentLength() <= 256) {
 			val text = response.peekBody(256).string()
-			if (text.startsWith("Your IP address has been temporarily banned", ignoreCase = true)) {
+			if (text.contains("IP address has been temporarily banned", ignoreCase = true)) {
 				val hours = Regex("([0-9]+) hours?").find(text)?.groupValues?.getOrNull(1)?.toLongOrNull() ?: 0
 				val minutes = Regex("([0-9]+) minutes?").find(text)?.groupValues?.getOrNull(1)?.toLongOrNull() ?: 0
 				val seconds = Regex("([0-9]+) seconds?").find(text)?.groupValues?.getOrNull(1)?.toLongOrNull() ?: 0
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/ru/grouple/GroupleParser.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/ru/grouple/GroupleParser.kt
index 7660e495..c470c919 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/ru/grouple/GroupleParser.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/ru/grouple/GroupleParser.kt
@@ -155,7 +155,7 @@ internal abstract class GroupleParser(
 			chapters = chaptersList?.select("a.chapter-link")
 				?.flatMapChapters(reversed = true) { a ->
 					val tr = a.selectFirstParent("tr") ?: return@flatMapChapters emptyList()
-					val href = a.attrAsRelativeUrl("href").setQueryParam("d", userHash)
+					val href = a.attrAsRelativeUrl("href")
 					val number = tr.attr("data-num").toFloatOrNull()?.div(10f) ?: 0f
 					val volume = tr.attr("data-vol").toIntOrNull() ?: 0
 					if (translations.isNullOrEmpty() || a.attr("data-translations").isEmpty()) {
@@ -170,7 +170,7 @@ internal abstract class GroupleParser(
 								name = a.text().removePrefix(manga.title).trim(),
 								number = number,
 								volume = volume,
-								url = href,
+								url = href.withQueryParam("d", userHash),
 								uploadDate = dateFormat.tryParse(tr.selectFirst("td.date")?.text()),
 								scanlator = translators,
 								source = newSource,
@@ -181,13 +181,13 @@ internal abstract class GroupleParser(
 						val translationData = JSONArray(a.attr("data-translations"))
 						translationData.mapJSON { jo ->
 							val personId = jo.getLong("personId")
-							val link = href.setQueryParam("tran", personId.toString())
+							val link = href.withQueryParam("tran", personId.toString())
 							MangaChapter(
 								id = generateUid(link),
 								name = a.text().removePrefix(manga.title).trim(),
 								number = number,
 								volume = volume,
-								url = link,
+								url = link.withQueryParam("d", userHash),
 								uploadDate = dateFormat.tryParse(jo.getStringOrNull("dateCreated")),
 								scanlator = null,
 								source = newSource,
@@ -499,7 +499,7 @@ internal abstract class GroupleParser(
 		return result
 	}
 
-	private fun String.setQueryParam(name: String, value: String?): String {
+	private fun String.withQueryParam(name: String, value: String?): String {
 		if (value == null) return this
 		return toAbsoluteUrl(domain)
 			.toHttpUrl()
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/util/Parse.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/util/Parse.kt
index e1466010..ac7b4f77 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/util/Parse.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/util/Parse.kt
@@ -5,7 +5,6 @@ package org.koitharu.kotatsu.parsers.util
 import okhttp3.Response
 import okhttp3.ResponseBody
 import okhttp3.internal.closeQuietly
-import org.jetbrains.annotations.Blocking
 import org.json.JSONArray
 import org.json.JSONObject
 import org.jsoup.Jsoup
@@ -18,7 +17,7 @@ import java.text.DateFormat
  * @see [parseJson]
  * @see [parseJsonArray]
  */
-@Blocking
+// TODO suspend
 public fun Response.parseHtml(): Document = try {
 	val body = requireBody()
 	val charset = body.contentType()?.charset()?.name()
diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/util/String.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/util/String.kt
index f6237441..0d4d83ba 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/util/String.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/util/String.kt
@@ -76,11 +76,11 @@ public fun String.transliterate(skipMissing: Boolean): String {
 	}
 }
 
-public fun String.toFileNameSafe() = this.transliterate(false)
+public fun String.toFileNameSafe(): String = this.transliterate(false)
 	.replace(Regex("[^a-z0-9_\\-]", arraySetOf(RegexOption.IGNORE_CASE)), " ")
 	.replace(Regex("\\s+"), "_")
 
-public fun String.ellipsize(maxLength: Int) = if (this.length > maxLength) {
+public fun String.ellipsize(maxLength: Int): String = if (this.length > maxLength) {
 	this.take(maxLength - 1) + Typography.ellipsis
 } else this
 
@@ -102,7 +102,7 @@ public fun String.urlEncoded(): String = URLEncoder.encode(this, Charsets.UTF_8.
 
 public fun String.urlDecode(): String = URLDecoder.decode(this, Charsets.UTF_8.name())
 
-public fun String.nl2br() = replace("\n", "<br>")
+public fun String.nl2br(): String = replace("\n", "<br>")
 
 public fun ByteArray.byte2HexFormatted(): String {
 	val str = StringBuilder(size * 2)
@@ -229,7 +229,7 @@ public fun String.almostEquals(other: String, @FloatRange(from = 0.0) threshold:
 	return diff < threshold
 }
 
-public fun String.isNumeric() = all { c -> c.isDigit() }
+public fun String.isNumeric(): Boolean = all { c -> c.isDigit() }
 
 internal fun StringBuilder.removeTrailingZero() {
 	if (length > 2 && get(length - 1) == '0') {