options.html

<!DOCTYPE html>
<html>
<head><title>WebPageTest API Key</title>

<style>
#note, #status {font-weight:bold;}
#status { color:green; font-size:150%; }
</style>

</head>
<body>

<div id="note">WebPageTest will work ONLY with your own API Key!</div>
<br />
<label>
Please input your WebPageTest API Key
<input type="text" id="wptk">
</label>

<br />

<button id="save" onclick="save_options()">Save</button>
<br />
<div id="status"></div>
<br />
<hr />
<br />

<div id="noapi">
<strong>Don't have a WebPageTest API Key yet?</strong> - Get it immediately under <a href="https://www.webpagetest.org/getkey.php" target="_blank">https://www.webpagetest.org/getkey.php</a>
<br /><br />
Your own WebPageTest API Key is <strong>free</strong> and allows to execute 200 tests a day!
</div>

<script src="options.js"></script>
</body>
</html>