![]() If the network is slow, this may take a while and will vary depending on the user's device. TTFD records the time required for your application to complete rendering and be available for user interaction and use, which may include the time required to display content from local storage or from the network. Facebook’s method is to measure and optimize the start time experienced by all users interacting with the app (some are cold start, Some are warm start). Although you can further divide it into cold/warm start time, this article will not explain the difference between them. Ultimately, your startup time needs to be correlated with user satisfaction, engagement, or user growth to determine the priority of investment.Īndroid defines two metrics to measure the application startup time: fully shows the time used (TTFD) and initially shows the time used (TTID). ![]() You can learn about the health of the user's startup experience, track the deterioration of startup time, and calculate the amount of resources needed to make improvements. The first of course is to measure the startup time of the application. The Google Android team and the Facebook team have sincerely collaborated to reach a consensus on the definition and best practices of app launch time, and share them with you here. Users will share life moments here, understand and discuss what is happening, establish and cultivate interpersonal relationships, and work together to create income opportunities.įacebook application developers are committed to ensuring that users enjoy the best experience and allowing applications to run smoothly on any device, any country/region, and different network conditions. Facebook helps people build communities and connect the world more closely. Now, more than 2.9 billion people use Facebook every month. Here we want to further share its practice in the Facebook application, and what factors help to improve application startup performance. Google Android’s public documents contain a lot of information about application launch optimization. This year, the Google Android team and the Facebook application team have been collaborating on quantitative indicators in this area and sharing optimization methods to improve application launching. ![]() Shortening the startup time of an application is not a trivial matter, we must have a deep understanding of its influencing factors. Kateryna Semenova of Google Android team and Tim Trueman, Steven Harris, Subramanian Ramaswamy of Facebook team Profile
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