https://aaron.cc/categories/web-development/Recent content in Web Development on aaron.ccHugo -- gohugo.ioenTue, 15 Aug 2017 18:21:44 +0000https://aaron.cc/using-googles-invisible-recaptcha-to-protect-ve_guestbook-from-spam/Thu, 06 Apr 2017 07:30:58 +0000https://aaron.cc/using-googles-invisible-recaptcha-to-protect-ve_guestbook-from-spam/<p>The first question that comes to your mind might be: “Who uses guestbooks nowadays anyway?”. Well, personally I don’t, but I maintain two sites that were created in the mid 2000s that have a guestbook installed—and people are still using it. It’s <a href="https://typo3.org/extensions/repository/view/ve_guestbook" target="_blank" rel="noreferrer">ve_guestbook</a> for TYPO3.</p> <figure> <img class="my-0 " loading="lazy" decoding="async" fetchpriority="auto" alt="Way too Simple CAPTCHA" src="https://aaron.cc/using-googles-invisible-recaptcha-to-protect-ve_guestbook-from-spam/images/Guestbook-CAPTCHA-2_hu_cd884eac508c0052.webp" width="1115" height="568"></figure> <p>In the past years, guestbook spam has become a real issue for me—even though I had been using the <a href="https://typo3.org/extensions/repository/view/captcha" target="_blank" rel="noreferrer">captcha</a> TYPO3 extension (screenshot above). Apparently, spam bots have evolved over the years and can now easily circumvent those CAPTCHAs. Suddenly, the guestbooks were flooded with hundreds of spam entries:</p>