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Revert bot detection for A/B tests #17605

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Merged
pettinarip merged 1 commit into from
Feb 20, 2026
Merged

Revert bot detection for A/B tests #17605

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10 changes: 0 additions & 10 deletions src/lib/ab-testing/server.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,12 +2,6 @@ import { SITE_URL } from "@/lib/constants"

import type { ABTestAssignment, ABTestConfig } from "./types"

// Search engine and social media crawlers - serve Original to ensure consistent
// indexing and link previews. This is NOT cloaking per Google's A/B testing guidelines:
// https://developers.google.com/search/docs/advanced/guidelines/cloaking
const BOT_PATTERN =
/googlebot|bingbot|yandex|baiduspider|duckduckbot|slurp|facebookexternalhit|twitterbot|linkedinbot|discordbot|telegrambot|whatsapp|slackbot/i

const getABTestConfigs = async (): Promise<Record<string, ABTestConfig>> => {
try {
const response = await fetch(`${SITE_URL}/api/ab-config`, {
Expand Down Expand Up @@ -38,10 +32,6 @@ export const getABTestAssignment = async (
headers.get("x-forwarded-for") || headers.get("x-real-ip") || "unknown"
const userAgent = headers.get("user-agent") || ""

// Always serve Original to bots to prevent indexing fluctuation during A/B tests
// and ensure consistent social media link previews
if (BOT_PATTERN.test(userAgent)) return null

// Add privacy-preserving entropy sources
const acceptLanguage = headers.get("accept-language") || ""
const acceptEncoding = headers.get("accept-encoding") || ""
Expand Down