diff --git a/packages/client/src/components/MkUrlPreview.vue b/packages/client/src/components/MkUrlPreview.vue
index 9241c49c36..3db512e148 100644
--- a/packages/client/src/components/MkUrlPreview.vue
+++ b/packages/client/src/components/MkUrlPreview.vue
@@ -103,6 +103,8 @@ import { onUnmounted, ref } from "vue";
 import { url as local, lang } from "@/config";
 import { i18n } from "@/i18n";
 import { defaultStore } from "@/store";
+import { parseUri, parsedUriToString } from '@/scripts/parse-uri'
+import { SCHEMA_BROWSERSAFE } from "../const";
 
 const props = withDefaults(
 	defineProps<{
@@ -134,30 +136,30 @@ let tweetExpanded = ref(props.detail);
 const embedId = `embed${Math.random().toString().replace(/\D/, "")}`;
 let tweetHeight = ref(150);
 
-const requestUrl = new URL(props.url);
-if (!["http:", "https:", "gopher:", "gemini:", "matrix:", "ipfs:", "ipns:", "finger:"].includes(requestUrl.protocol) && !requestUrl.protocol.startsWith("web+"))
+const requestUrl = parseUri(props.url);
+if (!SCHEMA_BROWSERSAFE.includes(requestUrl.scheme))
 	throw new Error("invalid url");
 
 if (
-	["twitter.com", "mobile.twitter.com", "x.com"].includes(requestUrl.hostname)
+	["twitter.com", "mobile.twitter.com", "x.com"].includes(requestUrl.authority ?? "")
 ) {
-	const m = requestUrl.pathname.match(/^\/.+\/status(?:es)?\/(\d+)/);
+	const m = (requestUrl.path ?? "").match(/^\/.+\/status(?:es)?\/(\d+)/);
 	if (m) tweetId.value = m[1];
 }
 
 if (
-	requestUrl.hostname === "music.youtube.com" &&
-	requestUrl.pathname.match("^/(?:watch|channel)")
+	requestUrl.authority === "music.youtube.com" &&
+	(requestUrl.path ?? "").match("^/(?:watch|channel)")
 ) {
-	requestUrl.hostname = "www.youtube.com";
+	requestUrl.authority = "www.youtube.com";
 }
 
 const requestLang = (lang || "ja-JP").replace("ja-KS", "ja-JP");
 
-requestUrl.hash = "";
+requestUrl.fragment = "";
 
 fetch(
-	`/url?url=${encodeURIComponent(requestUrl.href)}&lang=${requestLang}`,
+	`/url?url=${encodeURIComponent(parsedUriToString(requestUrl))}&lang=${requestLang}`,
 ).then((res) => {
 	res.json().then((info) => {
 		if (info.url == null) return;
diff --git a/packages/client/src/components/global/MkUrl.vue b/packages/client/src/components/global/MkUrl.vue
index e44e980054..387e610bbf 100644
--- a/packages/client/src/components/global/MkUrl.vue
+++ b/packages/client/src/components/global/MkUrl.vue
@@ -11,7 +11,7 @@
 		@click.stop
 	>
 		<template v-if="!self">
-			<span class="schema">{{ schema }}{{ hostname.trim() != '' ? '//' : '' }}</span>
+			<span class="schema">{{ schema }}{{ hostname.trim() != '' ? '://' : '' }}</span>
 			<span class="hostname">{{ hostname.trim() != '' ? hostname.trim() : pathname }}</span>
 			<!-- <span v-if="port != ''" class="port">:{{ port }}</span> -->
 		</template>
@@ -38,6 +38,7 @@ import * as os from "@/os";
 import { useTooltip } from "@/scripts/use-tooltip";
 import { safeURIDecode } from "@/scripts/safe-uri-decode";
 import { parseUri } from "@/scripts/parse-uri"
+import { SCHEMA_BROWSERSAFE } from "../../const";
 
 const props = defineProps<{
 	url: string;
@@ -46,7 +47,10 @@ const props = defineProps<{
 
 const self = props.url.startsWith(local);
 const url = parseUri(props.url);
-if (!["http", "https", "gopher", "gemini", "matrix", "ipfs", "ipns", "finger"].includes(url.scheme) && !url.scheme.startsWith("web+"))
+console.log(url);
+console.log(props.url);
+console.log(url.scheme);
+if (!SCHEMA_BROWSERSAFE.includes(url.scheme))
 	throw new Error("invalid url");
 
 const el = ref();
diff --git a/packages/client/src/const.ts b/packages/client/src/const.ts
index a73e09718e..7bf8865e23 100644
--- a/packages/client/src/const.ts
+++ b/packages/client/src/const.ts
@@ -38,6 +38,19 @@ export const FILE_TYPE_BROWSERSAFE = [
 	"audio/x-flac",
 	"audio/vnd.wave",
 ];
+
+export const SCHEMA_BROWSERSAFE = [
+	"http",
+	"https",
+	"gopher",
+	"gemini",
+	"matrix",
+	"ipfs",
+	"ipns",
+	"icmp",
+	"finger"
+];
+
 /*
 https://github.com/sindresorhus/file-type/blob/main/supported.js
 https://github.com/sindresorhus/file-type/blob/main/core.js
diff --git a/packages/client/src/scripts/parse-uri.ts b/packages/client/src/scripts/parse-uri.ts
index 3408c5f078..a0a9216a77 100644
--- a/packages/client/src/scripts/parse-uri.ts
+++ b/packages/client/src/scripts/parse-uri.ts
@@ -1,10 +1,12 @@
-export function parseUri(uri: string): {
+type URI = {
 	scheme: string;
 	authority: string | null;
 	path: string | null;
 	query: string | null;
 	fragment: string | null;
-} {
+}
+
+export function parseUri(uri: string): URI {
 	const urlParts = uri.match(
 		/^([\w+]+):(\/\/)?([^/?#]*)(\/([^?#]*))?(\?([^#]*))?(#(.*))?$/,
 	);
@@ -24,3 +26,25 @@ export function parseUri(uri: string): {
 		fragment: fragment || null,
 	};
 }
+
+export function parsedUriToString(uri: URI): string {
+	let result = `${uri.scheme}:`;
+
+	if (uri.authority) {
+		result += `//${uri.authority}`;
+	}
+
+	if (uri.path) {
+		result += uri.path;
+	}
+
+	if (uri.query) {
+		result += `?${uri.query}`;
+	}
+
+	if (uri.fragment) {
+		result += `#${uri.fragment}`;
+	}
+
+	return result;
+}
diff --git a/packages/ffm-js/src/internal/parser.ts b/packages/ffm-js/src/internal/parser.ts
index 3dc186c4cb..4775003d61 100644
--- a/packages/ffm-js/src/internal/parser.ts
+++ b/packages/ffm-js/src/internal/parser.ts
@@ -674,7 +674,7 @@ export const language = P.createLanguage({
 		]));
 		const parser = P.seq([
 			notLinkLabel,
-			P.regexp(/((https?)|(gemini)|(gopher)|(matrix)|(ipns)|(ipfs)|(finger)|(web\+\w+)):\/\//),
+			P.regexp(/(?:https?|gemini|gopher|matrix|ipns|ipfs|icmp|finger|cool|web\+\w+):\/\//),
 			innerItem.many(1).text(),
 		]);
 		return new P.Parser<M.MfmUrl | string>((input, index, state) => {
@@ -706,7 +706,7 @@ export const language = P.createLanguage({
 		const parser = P.seq([
 			notLinkLabel,
 			open,
-			P.regexp(/((https?)|(gemini)|(gopher)|(matrix)|(ipns)|(ipfs)|(finger)|(web\+\w+)):\/\//),
+			P.regexp(/(?:https?|gemini|gopher|matrix|ipns|ipfs|finger|cool|web\+\w+):\/\//),
 			P.seq([P.notMatch(P.alt([close, space])), P.char], 1).many(1),
 			close,
 		]).text();