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Reducing Disk Load in High-Traffic PHP Applications: Switching from SQLite to Redis for Anti-Crawler Storage
Automated crawlers and scraping bots are a growing problem for modern websites. While search engine bots are useful, many other crawlers generate excessive traffic, scrape content, or overload servers. To help website owners control this type of traffic, we recently released the Anti-Crawler PHP Library by CleanTalk, an open-source tool designed to detect and limit
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reCAPTCHA v3 always returns 0.9 score. Avoid false positives
Many reCAPTCHA v3 users complain about always receiving a score of 0.9 despite multiple attempts and changes in their Google Cloud integration. In this article, we reproduce this issue and explain why reCAPTCHA always returns a score of 0.9. Research Objective Users complain that when testing reCAPTCHA v3, they always receive the same score of…
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Why do contact form 7 users prefer Anti-spam by CleanTalk against reCAPTCHA?
As a WordPress user let me share my experience of using CAPTCHA less and CAPTCHA style Anti-Spam tools on the example of Contact form 7. Is reCAPTCHA good or bad for Contact form 7? Contact Form 7 users may prefer Anti-Spam plugin by CleanTalk over reCAPTCHA for several reasons, as each solution has its own…
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Top reCAPTCHA Alternatives for WordPress in 2025
reCAPTCHA was a brilliant idea — for its time.It kept bots busy clicking bicycles and crosswalks while real visitors went about their day. But as automation evolved, the balance shifted.Bots got faster. Humans got irritated.And WordPress admins got a new hobby: deleting fake leads and “test messages.” So if you’re tired of proving you’re not…
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WordPress CAPTCHA: Should You Use It or Not? Pros and Cons Explained
In today’s digital landscape, protecting your WordPress website from spam and malicious activities is paramount. One of the most common tools used to achieve this is CAPTCHA. However, whether to use CAPTCHA or not can be a topic of debate among website owners. This article will explore the pros and cons of using CAPTCHA on…
