Webmention Rocks!

About this site

Webmention Rocks! is a validator to help you test your Webmention implementation. Several kinds of tests are available on the site.

Webmention Endpoint Discovery

The test posts below advertise their Webmention endpoints in a variety of ways, to help you test your Webmention endpoint discovery implementation.

You should be able to write a post that links to each post below, and have your comment show up on each of them.

In your comment, please describe what software and/or libraries you are using to send Webmentions. (name, link)

Discovery Test #1 - HTTP Link header, unquoted rel, relative URL
Discovery Test #2 - HTTP Link header, unquoted rel, absolute URL
Discovery Test #3 - HTML <link> tag, relative URL
Discovery Test #4 - HTML <link> tag, absolute URL
Discovery Test #5 - HTML <a> tag, relative URL
Discovery Test #6 - HTML <a> tag, absolute URL
Discovery Test #7 - HTTP Link header with strange casing
Discovery Test #8 - HTTP Link header, quoted rel
Discovery Test #9 - Multiple rel values on a <link> tag
Discovery Test #10 - Multiple rel values on a Link header
Discovery Test #11 - Multiple Webmention endpoints advertised: Link, <link>, <a>
Discovery Test #12 - Checking for exact match of rel=webmention
Discovery Test #13 - False endpoint inside an HTML comment
Discovery Test #14 - False endpoint in escaped HTML
Discovery Test #15 - Webmention href is an empty string
Discovery Test #16 - Multiple Webmention endpoints advertised: <a>, <link>
Discovery Test #17 - Multiple Webmention endpoints advertised: <link>, <a>
Discovery Test #18 - Multiple HTTP Link headers
Discovery Test #19 - Single HTTP Link header with multiple values
Discovery Test #20 - Link tag with no href attribute
Discovery Test #21 - Webmention endpoint has query string parameters

If you want a quick bit of text to copy+paste into a post, you can use the HTML or plaintext below, which link to all the tests.

HTML

<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/1">Test 1</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/2">Test 2</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/3">Test 3</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/4">Test 4</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/5">Test 5</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/6">Test 6</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/7">Test 7</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/8">Test 8</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/9">Test 9</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/10">Test 10</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/11">Test 11</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/12">Test 12</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/13">Test 13</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/14">Test 14</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/15">Test 15</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/16">Test 16</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/17">Test 17</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/18">Test 18</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/19">Test 19</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/20">Test 20</a>
<a href="https://web-archive.nli.org.il/National_Library/20160330061658mp_/https://webmention.rocks/test/21">Test 21</a>

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Webmention Updates

The tests below will test whether you properly support sending Webmentions for updated posts.

Update Test #1 - Simple update

This code is open source. Feel free to file an issue if you notice any errors