If, until now, Chrome had to reload the page when you go back, soon it should be instantaneous.
It is responsible for engineering Chrome , Addy Osmani, who disclosed this in an article : it will soon be possible to instantly return back in your research.
When you leave a page for a new one, the first one is not remembered by Chrome. So, if you retrace your steps, the Chrome browser must reload the page as if you had never visited it. Addy Osmani and his team are working to make this original page frozen . It would be kept in memory and you could return to it instantly.
Although this feature still raises security issues, it is intended to improvenavigation performance . And according to the head of engineering, this cache before / following could " improve the performance of 19% of navigation on a mobile device ."
Chrome is not the only browser to test this operation. For several years, Firefox and Safari also offer this feature, with their own variants.
It is responsible for engineering Chrome , Addy Osmani, who disclosed this in an article : it will soon be possible to instantly return back in your research.
This should make your navigation faster!
When you leave a page for a new one, the first one is not remembered by Chrome. So, if you retrace your steps, the Chrome browser must reload the page as if you had never visited it. Addy Osmani and his team are working to make this original page frozen . It would be kept in memory and you could return to it instantly. 
Although this feature still raises security issues, it is intended to improvenavigation performance . And according to the head of engineering, this cache before / following could " improve the performance of 19% of navigation on a mobile device ."
Chrome is not the only browser to test this operation. For several years, Firefox and Safari also offer this feature, with their own variants.