Recovering from a rate limit 429 errors
When these rate limits are exceeded, a 429 'Too many requests' error is returned from the endpoint. As discussed below, when rate limit errors occur, a best practice is to examine HTTP headers that indicate when the limit resets and pause requests until then.
Chrome allows extensions that use its page action or browser action API to show popups when clicked. To add this popup, you’d add a popup.html file to your extension and the following to the manifest.json for browser actions:
An important aspect of almost all extensions is being able to save user settings. This can be achieved in Chrome easily by using the localStorage object and Chrome’s extension API options page.
Here's the Twitter card image fix for Joomla sites.