Search results for: "captchas"

How can the use of external fonts in PHP Captcha generation impact the overall performance and security of the system?

Using external fonts in PHP Captcha generation can impact performance by increasing the time it takes to load and render the Captcha image. Additional...

What are the advantages and disadvantages of using a text filter versus a captcha for preventing spam posts on a PHP-based website?

One common issue on PHP-based websites is preventing spam posts. Two common methods to address this issue are using a text filter to detect and block...