If you are want to open a 2 link with a single click, then use JavaScript. You can also use the anchor tag and onclick attribute to open multiple links.
Add two links to one button in HTML
<!DOCTYPE HTML>
<html>
<body>
<button onclick="yourlink()">Click Here</button>
<script>
function yourlink() {
var locs = ['http://google.com', 'http://yahoo.com']
for (let i = 0; i < locs.length; i++) {
window.open(locs[i])}
};
</script>
</body>
</html>
Output:
Without using script
HTML anchor tag onclick add URLs to open 2 it on single click.
<!DOCTYPE HTML>
<html>
<body>
<a href="#" onclick="window.open('http://google.com');
window.open('http://yahoo.com');">Click to open Google and Yahoo</a>
</body>
</html>
Do comment if you have any doubts and suggestions on this HTML link topic.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version