diff --git a/packages/browser/tests/basic.ts b/packages/browser/tests/basic.ts
new file mode 100644
index 0000000..027c7dd
--- /dev/null
+++ b/packages/browser/tests/basic.ts
@@ -0,0 +1,71 @@
+import { Camoufox } from "camoufox-js"
+
+// Prevent crash when Firefox page errors have no location (CF/captcha JS errors)
+process.on("uncaughtException", (err) => {
+  if (err instanceof TypeError && err.message.includes("undefined is not an object")) return
+  console.error("[uncaught]", err.message)
+  process.exit(1)
+})
+
+async function main() {
+  const browser: any = await Camoufox({
+    headless: true,
+    geoip: true,
+    humanize: true,
+    disable_coop: true,
+    block_webrtc: true,
+    iKnowWhatImDoing: true,
+  })
+  const ctx = await browser.newContext({ viewport: null })
+  const page = await ctx.newPage()
+
+  console.log("[1] example.com...")
+  await page
+    .goto("https://example.com", { waitUntil: "networkidle", timeout: 15000 })
+    .catch((e) => console.log("err:", e.message))
+  console.log(
+    "[1] content:",
+    (await page.content().catch(() => "")).length,
+    "title:",
+    await page.title().catch(() => "?"),
+  )
+
+  const page2 = await ctx.newPage()
+  console.log("[2] nopecha.com...")
+  await page2
+    .goto("https://nopecha.com", { waitUntil: "domcontentloaded", timeout: 15000 })
+    .catch((e) => console.log("err:", e.message))
+  await new Promise((r) => setTimeout(r, 3000))
+  console.log(
+    "[2] content:",
+    (await page2.content().catch(() => "")).length,
+    "title:",
+    await page2.title().catch(() => "?"),
+  )
+
+  console.log("[3] nopecha.com/demo/cloudflare...")
+  await page2
+    .goto("https://nopecha.com/demo/cloudflare", { waitUntil: "domcontentloaded", timeout: 30000 })
+    .catch((e) => console.log("err:", e.message))
+  for (let i = 0; i < 15; i++) {
+    await new Promise((r) => setTimeout(r, 2000))
+    const html = await page2.content().catch(() => "")
+    const title = await page2.title().catch(() => "?")
+    const url = page2.url()
+    console.log(`[3.${i}] len=${html.length} title="${title}" url=${url.slice(0, 80)}`)
+    if (!/Just a moment/i.test(title) && html.length > 200) break
+  }
+
+  const cookies = await ctx.cookies()
+  console.log(
+    "[3] cf_clearance:",
+    cookies.some((c: any) => c.name === "cf_clearance"),
+  )
+
+  await browser.close()
+}
+
+main().catch((e) => {
+  console.error("FAIL:", e.message)
+  process.exit(1)
+})