Opera Software has released Opera 43 to the stable channel with enhanced performance-boosting tools and a welcome productivity tweak. Instant page loading is a pre-rendering technology which attempts to predict URLs as you type, and starts to load the site in the background before you even hit enter. The feature has some intelligence, learning over time which URLs you type most often and loading those first. Instant page loading also makes use of prerender tags, when they’re available (<link rel="prerender" href="https://betanews.com/page/to/prerender">). Opera 43 also takes advantage of Profile Guided Optimization, a powerful technique which enables the developer to "train" the…
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