==CODE FOR FREE NEOCITIES USERS==
(Or those who don't have supporter status)

Make sure both the JavaScript and HTML are in the same file!
If you want, you can make a file on your website titled something like "wtnaring.js" and then link it like so inside the div:
<script src="https://yoursite.neocities.org/wtnaring.js"></script>

v1.0

JAVASCRIPT

const webringsites=["https://onio.cafe/","https://unidenified-fly-zone.neocities.org/","https://kuroi.com.br/","https://kirbydogs.neocities.org/","https://ismile.neocities.org/","https://winbows.neocities.org/"];let cursite=document.location.href;if("https://wtnaring.neocities.org/"===document.location.href)cursite="https://winbows.neocities.org/";else if("https://wtnaring.neocities.org/ringbut/iframe"===document.location.href.slice(0,45)){let e=new URLSearchParams(document.location.href.slice(45,document.location.href.length));void 0===(cursite=webringsites[e.get("website")])&&console.error("wtnaring error: parameter isn't a correct value!")}else -1===webringsites.indexOf(document.location.href)&&console.error("wtnaring error: URL isn't in the ring! Did you put the button on your website index?");const wtnaring={nextSite:"",prevSite:"",goNext:function(){document.location.href=wtnaring.nextSite},goPrev:function(){document.location.href=wtnaring.prevSite},goRand:function(){let e=webringsites[Math.floor(Math.random()*webringsites.length)];"Undefined"===e?document.location.href="https://winbows.neocities.org//":document.location.href=e}};webringsites.indexOf(cursite)===webringsites.length-1?(wtnaring.nextSite=webringsites[0],wtnaring.prevSite=webringsites[webringsites.length-2]):0===webringsites.indexOf(cursite)?(wtnaring.nextSite=webringsites[1],wtnaring.prevSite=webringsites[webringsites.length-1]):(wtnaring.nextSite=webringsites[webringsites.indexOf(cursite)+1],wtnaring.prevSite=webringsites[webringsites.indexOf(cursite)-1]);

HTML

<div id="wtnaringbutton"><map name="sa"><area shape="rect" coords="6,26,26,39" href="javascript:wtnaring.goPrev()" title="Go to Previous Site"><area shape="rect" coords="30,38,45,53" href="javascript:wtnaring.goRand()" title="Go to Random Site"><area shape="rect" coords="50,26,69,39" href="javascript:wtnaring.goNext()" title="Go to Next Site"><area shape="rect" coords="4,58,169,75" href="https://wtnaring.neocities.org/" title="Visit the wtnaring"></map><img usemap="#sa" src="https://wtnaring.neocities.org/ringbut/wtna.png" width="198" style="image-rendering: pixelated;"></div>