Tech Stack Guides
149 articles
How to Tell If a Website Uses Datadog
Datadog Real User Monitoring tracks front-end performance and errors. Detect it via the datadog-rum.js agent, the window.DD_RUM and DD_LOGS globals and browser-intake-datadoghq.com beacons.
How to Tell If a Website Uses Elementor
Elementor is the most popular WordPress page builder. Detect it via the elementor- body and section classes, the /wp-content/plugins/elementor/ assets and the elementorFrontend global.
How to Tell If a Website Uses Google Ads (Conversion & Remarketing)
Google Ads conversion tracking and remarketing tag a site for advertisers. Detect it via the AW- conversion ID in gtag, googleadservices.com/pagead/conversion and googleads.g.doubleclick.net.
How to Tell If a Website Uses PayPal
PayPal is one of the most widely accepted payment methods online. Detect it via the paypal.com/sdk/js script, paypalobjects.com assets, the paypal global and Smart Payment Buttons.
How to Tell If a Website Uses imgix
imgix is a real-time image-processing CDN. Detect it via *.imgix.net asset URLs and its query-string transformation parameters like auto=format, fit, w and dpr.
How to Tell If a Website Uses Cloudflare Turnstile
Cloudflare Turnstile is a privacy-first, frictionless CAPTCHA alternative. Detect it via the challenges.cloudflare.com/turnstile/v0/api.js script, the cf-turnstile div and the turnstile global.
How to Tell If a Website Uses Drift
Drift is a conversational-marketing and sales-chat platform. Detect it via the js.driftt.com embed script, the window.drift object, the drift.load call and customer.driftt.com traffic.
How to Tell If a Website Uses D3.js
D3.js is the leading data-visualisation library. Detect it via the window.d3 global, the d3.min.js script and the data-bound SVG it generates for charts and visualisations.
How to Tell If a Website Uses Afterpay (Clearpay)
Afterpay (Clearpay in the UK) is a major BNPL provider. Detect it via static.afterpay.com assets, the <afterpay-placement> widget, the AfterPay messaging and afterpay.com checkout.
How to Tell If a Website Uses Affirm
Affirm is a leading US buy-now-pay-later provider. Detect it via the cdn.affirm.com/js/v2/affirm.js script, the global affirm object, the _affirm_config and monthly-payment messaging widgets.
How to Tell If a Website Uses Stripe
Stripe is the dominant developer-first payment platform. Detect it via the js.stripe.com/v3 script, the Stripe() global, Elements iframes, the __stripe_mid cookie and api.stripe.com calls.
How to Tell If a Website Uses FullStory
FullStory records full session replays and digital-experience analytics. Detect it via the edge.fullstory.com/s/fs.js script, the global FS object, the _fs_org setting and fs_uid cookie.
How to Tell If a Website Uses Matomo
Matomo is the privacy-first, self-hostable analytics platform. Here is how to detect it on any site using script URLs, the _paq object, the matomo.php beacon and first-party cookies.
How to Tell If a Website Uses Plausible Analytics
Plausible is a privacy-first, cookieless analytics tool. Detect it via the plausible.io/js/script.js library, the data-domain attribute, the window.plausible function and /api/event beacons.
How to Tell If a Website Uses hCaptcha
hCaptcha is a privacy-focused reCAPTCHA alternative. Detect it via the js.hcaptcha.com/1/api.js script, the h-captcha widget div with data-sitekey, the hcaptcha global and hcaptcha.com iframes.
How to Tell If a Website Uses Cloudinary
Cloudinary is a leading media-management and image/video CDN. Detect it via res.cloudinary.com asset URLs, the cloud name in the path and its image-transformation parameters.
How to Tell If a Website Is Built With Drupal
Drupal powers many large, complex sites. Detect it via the drupalSettings global, data-drupal attributes, /core/ and /sites/ paths, the X-Generator header and the generator meta tag.
How to Tell If a Website Uses Google AdSense
Google AdSense monetises sites with display ads. Detect it via the adsbygoogle.js script from pagead2.googlesyndication.com, the adsbygoogle array, ca-pub- publisher IDs and ins.adsbygoogle blocks.
How to Tell If a Website Is Built With PrestaShop
PrestaShop is a popular open-source ecommerce platform, especially in Europe. Detect it via the prestashop global, the generator meta tag, /modules/ and /themes/ paths and PrestaShop cookies.
How to Tell If a Website Uses Mailchimp
Mailchimp is the best-known email marketing platform. Detect it via list-manage.com signup forms, the mc-validate.js script, chimpstatic.com pop-ups and Mailchimp embedded form markup.
How to Tell If a Website Uses Google Fonts
Google Fonts is the most popular web-font service. Detect it via fonts.googleapis.com stylesheet links and fonts.gstatic.com font-file requests — and learn the GDPR implications of hosted fonts.
How to Tell If a Website Is Built With Nuxt
Nuxt is the leading Vue meta-framework. Detect it via the window.__NUXT__ hydration object, the #__nuxt root element and _nuxt/ build-asset paths.
How to Tell If a Website Uses Intercom
Intercom is a leading customer messaging and support platform. Detect it via the widget.intercom.io and js.intercomcdn.com scripts, the window.Intercom object, intercomSettings and the app_id.
How to Tell If a Website Uses Pendo
Pendo combines product analytics with in-app guidance. Detect it via the cdn.pendo.io agent, the global pendo object, pendo.initialize() and data.pendo.io tracking.