Sender IDSender ID is an anti-spoofing email framework heavily based on SPF.View websites using Sender ID →
HSTSSecurityForces browsers to only communicate with the site using HTTPS.View 5,919,739 websites using HSTS →
StripePayment processorsStripe makes it easy for developers to accept credit cards on the web.View 376,600 websites using Stripe →
LuxSciTransactional EmailHigh Volume Outbound Email and SMTP Relaying Services.View 439 websites using LuxSci →