<style>
    .kerning-none { font-kerning: none; }
    .kerning-auto { font-kerning: auto; }
    .kerning-normal { font-kerning: normal; }
    .webkit-kerning-none { -webkit-font-kerning: none; }
    .webkit-kerning-auto { -webkit-font-kerning: auto; }
    .webkit-kerning-normal { -webkit-font-kerning: normal; }
</style>
<body style="font-size: 36px;">
    <div>
        <div class="kerning-none">AVAVAVAV</div>
        <div class="kerning-auto">AVAVAVAV</div>
        <div class="kerning-normal">AVAVAVAV</div>
    </div>
    <div style="text-rendering: optimizelegibility">
        <div class="kerning-none">AVAVAVAV</div>
        <div class="kerning-auto">AVAVAVAV</div>
        <div class="kerning-normal">AVAVAVAV</div>
    </div>
    <div style="position: absolute; left: 300px; top: 8px;">
        <div>
            <div class="webkit-kerning-none">AVAVAVAV</div>
            <div class="webkit-kerning-auto">AVAVAVAV</div>
            <div class="webkit-kerning-normal">AVAVAVAV</div>
        </div>
        <div style="text-rendering: optimizelegibility">
            <div class="webkit-kerning-none">AVAVAVAV</div>
            <div class="webkit-kerning-auto">AVAVAVAV</div>
            <div class="webkit-kerning-normal">AVAVAVAV</div>
        </div>
    </div>
</body>