diff --git a/src/client/client.ts b/src/client/client.ts
index 408d630..c2fd5bb 100644
--- a/src/client/client.ts
+++ b/src/client/client.ts
@@ -238,6 +238,7 @@ export class ScramjetClient {
 		const prop = split.pop();
 		const target = split.reduce((a, b) => a?.[b], this.global);
 		if (!target) return;
+
 		const original = Reflect.get(target, prop);
 		this.natives[name] = original;
 
diff --git a/src/shared/rewriters/html.ts b/src/shared/rewriters/html.ts
index 520e710..1c93fa3 100644
--- a/src/shared/rewriters/html.ts
+++ b/src/shared/rewriters/html.ts
@@ -147,7 +147,10 @@ export const htmlRules: {
 
 		// csp stuff that must be deleted
 		nonce: "*",
+		crossorigin: "*",
+		"http-equiv": ["meta"],
 		integrity: ["script", "link"],
+		sandbox: ["iframe"],
 		csp: ["iframe"],
 	},
 	{
@@ -155,6 +158,7 @@ export const htmlRules: {
 
 		// srcset
 		srcset: ["img", "source"],
+		srcSet: ["img", "source"],
 		imagesrcset: ["link"],
 	},
 	{