Trying to use www .accessibilitychecker. org but gets blocked

Welcome to the Cloudflare Community. :logodrop:

If it is your site, the connection is being blocked due to configuration that you created. You can find the reason in your Cloudflare WAF activity log and test rule adjustments.

While visiting a site protected by Cloudflare, error 1020 “Access denied (Error: 1020)” indicates you’ve violated a Firewall Rule. When this happens, you’ll see the error “Access Denied (Error: 1020)” and your request was blocked by the filter based Firewall rule on the site. If you’re the site owner, you can find the requests that was blocked by the Firewall on the Firewall page under the Events menu. See this CommunityTip for suggestions to avoid this error,