Cloudflare, a popular web security service provider, often blocks access to websites for various reasons.

This is done in order to protect websites from potential threats and harmful activities online.

When you encounter a 'blocked by Cloudflare' message, it means that your action or request has been flagged as potentially malicious or suspicious.

The actions that may trigger this block include repeatedly submitting the same word or phrase, executing SQL commands, or sending malformed data to the website.

These activities can raise red flags for security systems like Cloudflare's.

To resolve a Cloudflare block, you should first determine why the block occurred.

You can do this by reviewing your recent actions on the site.

If necessary, reach out to the website owner via their contact information or email address listed on the website.

Include details about what you were doing when the page came up and the Cloudflare Ray ID found at the bottom of the error message.

When contacting the website owner, be sure to remain calm and professional.

Explain that you have been blocked by Cloudflare and provide the necessary information for them to investigate.

Often, this will prompt the site owner to review their security settings and manually approve your IP address or remove any temporary blockage.

It is important to follow the instructions provided on the error page when seeking assistance from the website owner.

Remember that your actions on the website should always adhere to its terms of use to prevent any unnecessary blocks in the future.