diff --git a/src/browser/webapi/Performance.zig b/src/browser/webapi/Performance.zig
index 052a6ca3..78070893 100644
--- a/src/browser/webapi/Performance.zig
+++ b/src/browser/webapi/Performance.zig
@@ -215,33 +215,31 @@ fn getMarkTime(self: *const Performance, mark_name: []const u8) !f64 {
     // `navigationStart` is an equivalent to 0.
     // Others are dependant to request arrival, end of request etc, but we
     // return a dummy 0 value for now.
-    const navigation_timing_marks = [_][]const u8{
-        "navigationStart",
-        "unloadEventStart",
-        "unloadEventEnd",
-        "redirectStart",
-        "redirectEnd",
-        "fetchStart",
-        "domainLookupStart",
-        "domainLookupEnd",
-        "connectStart",
-        "connectEnd",
-        "secureConnectionStart",
-        "requestStart",
-        "responseStart",
-        "responseEnd",
-        "domLoading",
-        "domInteractive",
-        "domContentLoadedEventStart",
-        "domContentLoadedEventEnd",
-        "domComplete",
-        "loadEventStart",
-        "loadEventEnd",
-    };
-    for (navigation_timing_marks) |name| {
-        if (std.mem.eql(u8, name, mark_name)) {
-            return 0;
-        }
+    const navigation_timing_marks = std.StaticStringMap(void).initComptime(.{
+        .{ "navigationStart", {} },
+        .{ "unloadEventStart", {} },
+        .{ "unloadEventEnd", {} },
+        .{ "redirectStart", {} },
+        .{ "redirectEnd", {} },
+        .{ "fetchStart", {} },
+        .{ "domainLookupStart", {} },
+        .{ "domainLookupEnd", {} },
+        .{ "connectStart", {} },
+        .{ "connectEnd", {} },
+        .{ "secureConnectionStart", {} },
+        .{ "requestStart", {} },
+        .{ "responseStart", {} },
+        .{ "responseEnd", {} },
+        .{ "domLoading", {} },
+        .{ "domInteractive", {} },
+        .{ "domContentLoadedEventStart", {} },
+        .{ "domContentLoadedEventEnd", {} },
+        .{ "domComplete", {} },
+        .{ "loadEventStart", {} },
+        .{ "loadEventEnd", {} },
+    });
+    if (navigation_timing_marks.has(mark_name)) {
+        return 0;
     }
 
     return error.SyntaxError; // Mark not found