Run results for: Markdown Performance Comparison 25

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	31917.4 Ops/sec
CommonMark	25541.4 Ops/sec
Markdown-it	33124.4 Ops/sec
Remarkable	44461.5 Ops/sec
Micromarkdown	83140.6 Ops/sec
Snarkdown	54675.0 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 md() { return [Math.random().toString(36).substring(2, 15),
          Math.random().toString(36).substring(2, 15),
          "## "+Math.random().toString(36).substring(2, 15),
         "This is a *very* simply test using randomness to help",
         "",
         "1. Go",
         "2. Stay",
         "",
         "this is the end"].join("\n");}

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 25

A performance comparison of leading Javascript Markdown implementations.

Marked

CommonMark

Markdown-it

Remarkable

Micromarkdown

Snarkdown