A/B Testing
StackPulse detects Optimizely on 638 websites — 0.55% of the 115,150 domains in the index — making it the #2 a/b testing technology we track. Updated October 27, 2026.
Websites detected
638
Share of index
0.55%
Rank in A/B Testing
#2 of 3
Indexed websites
115,150
Ordered by traffic rank. Each profile shows the complete detected stack.
with Google Tag Manager, WordPress, Nginx, OneTrust
with Google Tag Manager, Cloudflare, OneTrust
with Next.js, Fastly
with Fastly, Varnish, OneTrust
with Nuxt, Cloudflare, OneTrust, Marketo
with Google Tag Manager, Akamai, OneTrust, reCAPTCHA
with Akamai, OneTrust, FullStory
with WordPress, Akamai, Google Fonts
with Akamai, OneTrust, FullStory
with Amplitude, Google Tag Manager, Amazon CloudFront, Cloudflare
with Authorize.net, Braintree, Mollie, PayPal
with Contentful, Next.js, Amazon CloudFront, Cloudflare
with Cloudflare, jQuery
with Google Tag Manager, Cloudflare, OneTrust
with Adobe Experience Platform, Google Tag Manager, Next.js, Cloudflare
with Klaviyo, Google Tag Manager, Sanity, WordPress
with Google Tag Manager, Drupal, Fastly, Varnish
with Cloudflare, OneTrust, jQuery, Marketo
with Google Tag Manager, Next.js, Vercel
with Adobe Experience Platform, Next.js, Akamai
with Shopify, Stripe, Contentful, Express
with Mixpanel, Google Tag Manager, Nginx, TrustArc
with Google Tag Manager, Contentful, WordPress, Next.js
with OpenCart, Google Ads, LinkedIn Insight Tag, Meta Pixel
with Adobe Experience Platform, Google Tag Manager, Contentful, Next.js
with Google Tag Manager, Cloudflare, Google Fonts, jQuery
with Google Tag Manager, WordPress, Nginx, OneTrust
with Next.js, Netlify, OneTrust, reCAPTCHA
with Google Tag Manager, WordPress, Amazon CloudFront, Varnish
with Akamai, Google Fonts, Braze, reCAPTCHA
with Nuxt, Fastly, Varnish, Google Fonts
with Adobe Experience Platform, Drupal, Amazon CloudFront, Nginx
with Contentful, Next.js, Amazon CloudFront, Cloudflare
with Google Tag Manager, Next.js, Fastly, Varnish
with Salesforce Commerce Cloud, Meta Pixel, GA4, Google Tag Manager
with Nuxt, Cloudflare, OneTrust, Marketo
with WordPress, Akamai, Google Fonts
with Google Tag Manager, Trustpilot, Cloudflare, OneTrust
with LinkedIn Insight Tag, Meta Pixel, Reddit Pixel, Google Tag Manager
with Adobe Experience Platform, WordPress, Nginx, OneTrust
with Google Tag Manager, Drupal, Fastly
with Google Tag Manager, Drupal, Fastly, Varnish
with WordPress, Akamai, Google Fonts
with Amplitude, Heap, Universal Analytics, Tealium
with Google Tag Manager, Cloudflare, Osano
with WordPress, Akamai, Google Fonts
with Stripe, GA4, Google Tag Manager, Nginx
with Shopify, PayPal, Klaviyo, Google Tag Manager
with LinkedIn Insight Tag, Adobe Experience Platform, Amazon CloudFront, Google Fonts
with Salesforce Commerce Cloud, Klarna, Google Ads, Meta Pixel
with Google Tag Manager, WordPress, Amazon CloudFront, Varnish
with WordPress, Akamai, Google Fonts
with Google Tag Manager, Algolia, Next.js, OneTrust
with Next.js, Netlify, OneTrust
with Google Tag Manager, Fastly, Varnish, Nginx
with Google Tag Manager, Cloudflare, OneTrust
with Cloudflare, OneTrust, Adobe Fonts
with Angular, Cloudflare, OneTrust
with Salesforce Commerce Cloud, Meta Pixel, GA4, Adobe Experience Platform
with Google Tag Manager, Cloudflare, jQuery, HubSpot
GET /v1/lookup/:domain.One call returns the ecommerce platform, payment gateways, marketing pixels and infrastructure. Results are cached for a week.
curl -H "x-api-key: YOUR_KEY" \ https://stackpulseapi.com/v1/lookup/bit.lyRead the API docs
Filter the whole index by stack (for example Shopify stores without Klaviyo) and download up to 50,000 domains per file. 1 credit per row.
Open Lead Export Plans from $99/month →