ActiveLayer Anti-Spam vs Blackhole for Bad Bots

Anti-Spam Protection Without CAPTCHAs ActiveLayer is an intelligent anti-spam solution that stops contact form spam, comment spam, and registration spam without CAPTCHAs, puzzles, or extra steps for your visitors. Your forms stay fast and frictionless while unwanted messages get caught automatically. Your time and attention are expensive — stop spending them on spam. ActiveLayer protects popular form builders like WPForms, Contact Form 7, Gravity Forms, Elementor Forms, Fluent Forms, WS Form, and FunnelKit Funnel Builder, plus native WordPress comments, WooCommerce (product reviews and customer registration), Easy Digital Downloads (store reviews and customer registration), AffiliateWP, MemberPress, and BuddyPress / BuddyBoss signup forms, all from a single plugin. With 18 integrations, you manage all your spam protection from one settings page. Create a free account and get started Zero Friction Spam Filtering Most anti-spam tools either show visitors a CAPTCHA or make every form wait while the check runs. ActiveLayer takes a different approach. Async integrations complete immediately while background checks run through Action Scheduler; registration and inline-blocking integrations can run a synchronous check when spam must be stopped before an account, entry, or affiliate record is created. This keeps normal form workflows fast while still allowing high-risk signup flows to block spam inline. If a submission is clean, notifications are sent as normal. If it is flagged, notifications are suppressed or the signup is blocked depending on the integration. Intelligent Spam Detection ActiveLayer analyzes submission patterns, content reputation, behavioral signals, and environment data to catch both automated bots and human bad actors with high accuracy. Unlike simple honeypot or keyword-blocklist approaches, ActiveLayer uses multiple signals to make smarter decisions about every submission. Optional behavioral tracking monitors how users interact with your forms — keystrokes, mouse movements, touch events, and scroll patterns. Environment detection identifies headless browsers and automated tools. These client-side signals are sent alongside form data for deeper analysis. Per-Form Control and Sync Mode You decide exactly which forms to protect. ActiveLayer protects all supported forms and WooCommerce surfaces by default after your API key is connected — you can disable protection per form if needed. This gives you granular control over every contact form, registration form, or comment section on your site. Sync Mode lets supported integrations wait for the API verdict before the submission completes, so spam can be blocked inline. By default, ActiveLayer runs checks asynchronously for maximum speed. Turn Sync Mode on when you prefer inline blocking and can tolerate a small added latency on submissions. Fail-Safe by Design If the ActiveLayer API is temporarily unavailable, your forms keep working. ActiveLayer is designed to fail open — it restores provider defaults, preserves every submission, and retries background checks automatically when connectivity returns. No lost submissions, no blocked emails, no broken forms. Automatic retries handle transient failures. A built-in watchdog checks queue health every 15 minutes and shows admin notices when pending items build up or Action Scheduler is unavailable. You always know the status of your protection. Full Visibility Dashboard See exactly what is happening with your form protection at a glance. The ActiveLayer dashboard shows submission totals, spam caught, accuracy rates, queue health, and integration status — all in one place. Filter submissions by status or provider, and use bulk actions to recheck, mark as clean or junk, or trash items you no longer need. Every submission is logged in a custom database table. You can review verdicts, recheck past submissions with a fresh API call, and override any decision. Debug logging (opt-in, PII-redacted) gives you even deeper insight when troubleshooting. Who Is ActiveLayer For? Small Business Websites Protect your contact forms and inquiry forms without adding friction for potential customers. Async form submissions from real visitors go through instantly while junk gets caught behind the scenes. Bloggers and Publishers Stop comment spam on your posts without requiring readers to solve CAPTCHAs or prove they are human. ActiveLayer checks comments in the background and can auto-approve clean ones or auto-mark detected spam. Agencies Managing Multiple Sites One plugin covers WPForms, Contact Form 7, Gravity Forms, Elementor Forms, Fluent Forms, Formidable Forms, WooCommerce, and more — every integration managed from one settings page. No need to configure separate anti-spam tools for each form builder or WooCommerce surface your clients use. E-commerce and Service Businesses Keep inquiry and support forms clean while maintaining a fast, professional user experience. Async checks keep contact forms moving quickly, while registration gates can block spam accounts inline. WooCommerce stores get dedicated protection for product reviews and My Account customer registration — and the checkout itself is never gated, so spam protection can’t get in the way of a sale. Membership Sites and Online Communities Running a community on BuddyPress or BuddyBoss Platform? ActiveLayer hooks the public signup form and blocks spam registrations before they create fake accounts — no extra CAPTCHA in front of your real members, no manual moderation queue to babysit. The integration covers both free BuddyPress and BuddyBoss Platform with a dedicated admin toggle for each. Full ActiveLayer Feature List Async processing – Background queue via Action Scheduler for supported async integrations No CAPTCHA required – Invisible protection with zero friction for visitors WPForms integration – Per-form enable, async checks with email replay, optional sync-save strategy Contact Form 7 integration – Synchronous checks, field mapping via activelayer:* tags, per-form control Gravity Forms integration – Entry-based spam detection with per-form control and notification management Elementor Forms integration – Protect Elementor Pro form widgets with per-form spam filtering Fluent Forms integration – Per-form spam detection with email notification handling Formidable Forms integration – Notification interception and replay, sync fallback option Forminator integration – Form submission interception with per-form toggles and notification management Ninja Forms integration – Email action capture, clean verdict replay, spam suppression SureForms integration – Spam protection for SureForms with per-form control WS Form integration – Synchronous spam blocking before WS Form saves entries or runs actions, with per-form control WordPress Comments protection – Auto-approve clean comments, auto-spam detected ones, fail-open restore WooCommerce Reviews protection – Score every product review on submission, with optional verified-owner bypass, logged-in-user bypass, and high-confidence auto-delete WooCommerce Registration protection – Block bot signups on the My Account registration form before the account is created (the checkout flow is never gated, so it can’t block a purchase) BuddyPress signup protection – Block spam registrations on the public /register/ page; sync check fires after BuddyPress’s own validation and writes the block message next to the username field BuddyBoss Platform signup protection – Same sync gate against the BuddyBoss Platform signup form, with automatic xprofile-name fallback because BuddyBoss auto-generates the username from the email AffiliateWP registration protection – Block bot affiliate signups before the affiliate and WordPress user are created; sync check fires after AffiliateWP’s own validation MemberPress registration protection – Block bot membership signups before the account is created; free, free-trial, and fully-discounted signups are gated by default, while paid checkouts are never blocked (opt in to gate those too) FunnelKit Funnel Builder integration – Synchronous spam blocking for opt-in forms before FunnelKit runs email, CRM contact, and webhook actions, with per-form control Easy Digital Downloads integration – Spam protection for product reviews and the standalone customer registration form; the EDD checkout is never gated, so it can’t block a purchase Silent discard for high-confidence spam – Optional hard-delete of comments and WooCommerce reviews that exceed a configurable spam score threshold (default 95), skipping spam-folder storage entirely Per-form toggles – Protection enabled by default per form; disable on individual forms as needed Sync Mode – Optional synchronous spam checks for inline blocking on supported integrations Dashboard analytics – Submission totals, spam caught, accuracy rates, queue health at a glance Submissions management – Filter by status and provider, bulk recheck, mark clean or spam, trash Fail-open architecture – Forms keep working if the API is temporarily unavailable Automatic retries – Failed submissions are re-queued and retried automatically Queue watchdog – 15-minute health checks with admin notices for stalled queues Behavioral signal collection – Keystroke, mouse, touch, and scroll tracking for deeper analysis Environment detection – Identifies headless browsers and automated submission tools Debug logging – Opt-in ring buffer (last 200 entries), PII-redacted, view and clear in admin Bulk recheck – Re-queue past submissions for fresh API verdicts anytime Default protection – Forms protected by default after API connection; disable per form if needed. Sanitized logging, masked secrets, hashed emails Integrations WPForms (Lite and Pro) Contact Form 7 Gravity Forms Elementor Forms (Pro) Fluent Forms Formidable Forms Forminator Ninja Forms SureForms WS Form WordPress Comments (built-in) WooCommerce (product reviews and customer registration) BuddyPress (public signup form) BuddyBoss Platform (public signup form) AffiliateWP (affiliate registration form) MemberPress (membership registration form) FunnelKit Funnel Builder (opt-in forms) Easy Digital Downloads (product reviews and customer registration) External services This plugin connects to the ActiveLayer API to analyze form submissions and comments for spam. It is the core service that powers all spam detection — without it, the plugin cannot classify submissions. ActiveLayer API What it does: Provides spam detection verdicts (clean or spam) for form submissions and comments. When data is sent: Each time a protected form submission, comment, review, or registration is checked, the submission data is sent to the API for analysis. Depending on the integration, this can happen through the background queue or during a synchronous inline-blocking check. What data is sent: * Submission content (name, email, message, URL if provided) * IP address and user agent of the submitter * Form metadata (form ID, form name, provider name) * Site URL and WordPress locale * Behavioral and environment signals (if enabled in settings) Service provider: ActiveLayer (activelayer.com) * Terms of Service * Privacy Policy

✨ Trap bad bots in a virtual black hole Important: Do NOT use this plugin on sites with caching. Learn more » 👾 Bye bye bad bots.. Bad bots are the worst. They do all sorts of nasty stuff and waste server resources. The Blackhole plugin helps to stop bad bots and save precious resources for legit visitors. 👾 How does it work? First the plugin adds a hidden trigger link to the footer of your pages. You then add a line to your robots.txt file that forbids all bots from following the hidden link. Bots that then ignore or disobey your robots rules will crawl the link and fall into the trap. Once trapped, bad bots are denied further access to your WordPress site. I call it the “one-strike” rule: bots have one chance to obey your site’s robots.txt rule. Failure to comply results in immediate banishment. The best part is that the Blackhole only affects bad bots: human users never see the hidden link, and good bots obey the robots rules in the first place. Win-win! 🙂 ✨ Add a blackhole trap to help stop bad bots Important: Do NOT use this plugin on sites with caching. Learn more » 👾 Features Easy to set up Squeaky clean code Focused and modular Lightweight, fast and flexible Built with the WordPress API Works with other security plugins Easy to reset the list of bad bots Easy to delete any bot from the list Regularly updated and “future proof” Blackhole link includes “nofollow” attribute Plugin options configurable via settings screen Works silently behind the scenes to protect your site Whitelists all major search engines to never block Focused on flexibility, performance, and security Email alerts with WHOIS lookup for blocked bots Complete inline documentation via the Help tab Provides setting to whitelist any IP addresses Customize the message displayed to bad bots 😉 One-click restore the plugin default options Does NOT use or require any .htaccess rules Blackhole for Bad Bots protects your site against bad bots, spammers, scrapers, scanners, and other automated threats. ✨ Not using WordPress? Check out the standalone PHP version of Blackhole! 👾 Whitelist By default, this plugin does NOT block any of the major search engines (user agents): AOL.com Baidu Bingbot/MSN DuckDuckGo Googlebot Teoma Yahoo! Yandex These search engines (and all of their myriad variations) are whitelisted via user agent. So are a bunch of other “useful” bots. They always are allowed full access to your site, even if they disobey your robots.txt rules. This list can be customized in the plugin settings. For a complete list of whitelisted bots, visit the Help tab in the plugin settings (under “Whitelist Settings”). ✨ Check out Blackhole Pro and level up with advanced features! 👾 Exclusive Pro Features Option to disable for logged-in users Threshold control (number of allowed hits) Custom email alerts Custom messages for blocked bots Custom redirect for blocked bots Custom blackhole trigger links Complete inline documentation Block bots based on user agent Block bots based on IP address Whitelist/allow bots by user agent Whitelist/allow bots by IP address Redirect whitelisted bots Set custom HTTP Status Code Full-featured Bad Bot Log with paging, sorting, and field search Manually add bad bots to the Bad Bot Log Geo/IP location lookups for each bad bot Logs number of blocked hits for each bot ..plus everything the free version can do and more. ✨ Learn more and get Blackhole Pro » 👾 Privacy User Data: This plugin automatically blocks bad bots. When bad bots fall into the trap, their IP address, user agent, and other request data are stored in the WP database. No other user data is collected by this plugin. At any time, the administrator may delete all saved data via the plugin settings. Services: This plugin does not connect to any third-party locations or services. Cookies: This plugin does not set any cookies. Credit: Header Image Courtesy NASA/JPL-Caltech. Blackhole for Bad Bots is developed and maintained by Jeff Starr, 15-year WordPress developer and book author. 👾 Support development I develop and maintain this free plugin with love for the WordPress community. To show support, you can make a donation or purchase one of my books: The Tao of WordPress Digging into WordPress .htaccess made easy WordPress Themes In Depth Wizard’s SQL Recipes for WordPress And/or purchase one of my premium WordPress plugins: BBQ Pro – Blazing fast WordPress firewall Blackhole Pro – Automatically block bad bots Banhammer Pro – Monitor traffic and ban the bad guys GA Google Analytics Pro – Connect WordPress to Google Analytics Head Meta Pro – Ultimate Meta Tags for WordPress REST Pro Tools – Awesome tools for managing the WP REST API Simple Ajax Chat Pro – Unlimited chat rooms USP Pro – Unlimited front-end forms Links, tweets and likes also appreciated. Thank you! 🙂