He adds, "When users engage with Progressive Apps enough, browsers offer prompts that ask users if they want to keep them. To avoid spaminess, this doesn't happen on the first load," Russell said. Building immersive apps using Web technology "no longer requires giving up the Web itself," he said. "Progressive Apps are our ticket out of the tab, if only we reach for it."
Google does not see Progressive Web Apps as strictly the domain of its Chrome browser; Mozilla also has participated, Komoroske said. "Actually, we've been co-developing these with Mozilla since the very beginning." While Google sees use of Progressive Web Apps concepts like Service Workers being in an early stage, growth is happening, said Komoroske. For example, Google sees 350 million push notifications a day and 2.2 billion page loads a day using Service Workers.
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