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Oct 3, 2018

Using Prefetch | @DevOpsSummit @Catchpoint #DevOps #APM #AI #Monitoring

Paul The Octopus was known as an animal oracle who could predict the result of a football match. He made accurate predictions for the matches played in the 2010 FIFA World Cup. What if a browser could do the same thing? What if it anticipated the next page that the user was going to visit and downloaded it in advance? If that happened, it would help download critical resources ahead of time and significantly affect its performance. One might say, ‘isn’t that what cache is for?’ Well yes, it is. Caching helps browsers avoid making expensive HTTP calls and delivers needed resources from the disk cache. However, it presents many challenges on modern websites and situations, where caching may not help.

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