Run results for: Markdown Performance Comparison 30

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:89.0) Gecko/20100101 Firefox/89.0

Browser: Firefox 89

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Marked	10393.7 Ops/sec
CommonMark	7452.3 Ops/sec
Markdown-it	8091.4 Ops/sec
Remarkable	10586.3 Ops/sec
Micromarkdown	13919.8 Ops/sec
Snarkdown	12302.7 Ops/sec

HTML Preparation code:

<script type="text/javascript" src="https://unpkg.com/marked@1.1.0/marked.min.js"></script>
<script type="text/javascript" src="https://unpkg.com/commonmark@0.29.1/dist/commonmark.min.js"></script>
<script type="text/javascript" src="https://unpkg.com/markdown-it@11.0.0/dist/markdown-it.min.js"></script>
<script type="text/javascript" src="https://unpkg.com/remarkable@2.0.1/dist/remarkable.min.js"></script>
<script type="text/javascript" src="https://unpkg.com/micromarkdown@0.3.0/dist/micromarkdown.min.js"></script>
<script type="text/javascript" src="https://unpkg.com/snarkdown@1.2.2/dist/snarkdown.umd.js"></script>

Script Preparation code:

var conv = {
  marked: marked,
  cm: new commonmark.HtmlRenderer(),
  mdit: markdownit({ html: true }),
  remarkable: new remarkable.Remarkable(),
  micromarkdown: window.micromarkdown,
  snarkdown: window.snarkdown,
};

var pars = {
  cm: new commonmark.Parser()
};

function randword() {return Math.random().toString(36).substring(2, 15)+" "}

function md() { return [randword(),randword()+randword(),"## "+randword(),"","","1. "+randword(),"2. "+randword(),"","","---","","***"+randword()+"***","",
                       randword(),randword()+randword()+randword()+randword(),randword()+randword()+randword()+randword(),randword(),"",randword()+randword()+randword(),randword(),randword(),
                       randword(),randword()+randword()+randword()+randword(),randword()+randword()+randword()+randword(),randword(),"",randword()+randword()+randword(),randword(),randword(),
                       randword(),randword()+randword()+randword()+randword(),randword()+randword()+randword()+randword(),randword(),"",randword()+randword()+randword(),randword(),randword()].join("\n");}

//var [md1, md2, md3, md4, md5, md6] = [md(), md(), md(), md(), md(), md()]

Tests:

Marked
conv.marked(md());
CommonMark
conv.cm.render(pars.cm.parse(md()));
Markdown-it
conv.mdit.render(md());
Remarkable
conv.remarkable.render(md());
Micromarkdown
conv.micromarkdown.parse(md());
Snarkdown
conv.snarkdown(md());

Run results for: Markdown Performance Comparison 30

A performance comparison of leading Javascript Markdown implementations.

Marked

CommonMark

Markdown-it

Remarkable

Micromarkdown

Snarkdown