Actions in MySQL use or spend my Daily Hits Used?

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What does the hits limit mean

One of the limits InfinityFree enforces is the “hits” limit. This article explains what a hit is, how you can control your hits usage and what happens if you exceed the limit. What is a hit? A hit is a simply request to a file on your website, which can be a HTML or PHP page, an image, a CSS file or something else. A hit is not the same as a page view, visit or visitor. Visitor can visit your website multiple times, a visit can include multiple page views, and a single page view can include mu…

Or this article for that matter?

Pageview

Both articles should be pretty clear about what a hit is, and make it clear that database traffic does not affect hits usage at all.

@Polar1920

-Send messages with php mail

This is not possible on free hosting, but you can use an external mail service, for example using Gmail SMTP with PHPMailer.

Sending email from your website (PHP mail)

The most common way to send email from your website is by using the PHP mail() function. PHP mail() is an easy to use email system built into the PHP programming language. It’s the default setting for almost all applications. However, PHP mail is severely restricted on InfinityFree. To prevent spam and other abuse, most messages sent through PHP mail are rejected by the mail system. In practice, this means you cannot use PHP mail on InfinityFree to send your email. If you want to send email fr…