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00:00:00 – 00:08:15
The video discusses enhancing SMS OTP forms for improved user experience and security. It covers the two-step verification process using SMS OTP, limitations of SMS OTP authentication, and suggestions for constructing OTP input fields, message formatting, and utilizing the credential management API for website authentication. Important names mentioned include Eiji, and companies like Tinder, Oyo, and Goibibo. Key terms include SMS OTP, two-step verification, web authentication, OTP input field, web OTP API, and credential management API. The importance of browser support, best practices, and the balance between security and user experience are emphasized throughout the video.
00:00:00
In this part of the video, Eiji discusses how to enhance SMS OTP forms to improve user experience and security. He explains that SMS OTP is used as a second step for authentication, where users prove their identity by receiving a one-time password via SMS. Eiji illustrates a typical two-step verification process using SMS OTP and mentions other use cases like phone number verification, account recovery, and payment confirmation. He also mentions the importance of being aware that while SMS OTP can enhance security, it is not the most secure method available.
00:03:00
In this segment of the video, the speaker discusses the limitations of SMS OTP authentication and recommends using web authentication for better security. Three specific tips are provided for constructing an OTP input field, such as avoiding using type number, using input mode numeric for optimized mobile input, and utilizing the autocomplete one-time-code attribute for Safari browser. The speaker also suggests a format for SMS OTP messages, including appending domain and OTP in a specific way to help browsers autofill correctly. Improvements in browser support for these formats are highlighted for Safari and Chrome, with mentions of iOS 12 and later, iOS 14, and macOS Big Sur compatibility.
00:06:00
In this segment of the video, the speaker discusses the use of the credential management API to obtain an OTP via SMS for website authentication. By calling navigator.credentials.get with type OTP and transport SMS, the browser waits for an SMS message for user authentication. Partners like Tinder, Oyo, and Goibibo have seen improved completion rates by adopting the Web OTP API. The feature is currently available in Chrome, Opera, and Vivaldi, with hopes for more browser support in the future. The speaker emphasizes using best practices like setting input field attributes and domain-bound message formats for OTP delivery. More information can be found at web.dev/sms-otp-form and web.dev/web-otp.