Prominent features of Mozilla Firefox 37.0 include an all-new user rating system that lets users easily send feedback to Mozilla about Firefox, HTTPS (Secure HTTP) is now used for the Bing search engine providing secure searches, and support for CSS display:contents. Moreover, the new release introduces improved protection against site impersonation, disables insecure Transport Layer Security (TLS) versions for website security, brings better support for HTTP/2, extends SSL error reporting, and supports e-mail name constraints in certificates.