Even small changes in a web page can improve the browsing experience. Your preferred web browser provides all the tools you need to inject JavaScript to adapt the page. You just need a browser with its debugging tools, some knowledge of scripting, and the browser extension Tampermonkey.
Bits of JavaScript from a malicious website can put your browser in a trance. A tool called BeEF encapsulates that power in a most diabolical way, providing yet another reason to avoid unknown links and keep your browser up to date.