Today we are noticing latest update in Google SERPs (Search engine result pages). While searching queries in Google when you scroll down in your mobile device you may notice Back To Top button. Google had back to top button previously but this UI is different from regular design.
Its design is and user experience looks good. While you scroll down it displays like a arrow button as soon you scroll up it converts to Back to Top button.
Apart from this Google did big changes to pagination links and now all we can notice load more button for next page results.
Some of the SEO chatter showing some traffic fluctuations recently. It seems to be an unknown update which google does several times regularly.