Description
The Anti-Splog blocks phantom blog registrations on WordPress Multisite networks, cross-checking IP, e-mail, and registration patterns against block lists to stop bots before the subsite is created. Designed for operators of multisite networks with open public registration who need to maintain subsite quality, it protects the main domain from SEO penalties and frees the Network Admin from manual splog vetting.
Main Features of Anti-Splog
- Subsite Creation Filter
Intercepts the Multisite registration flow and blocks suspicious sign-ups before the blog is created. - Suspicious IP Check
Compares the registration IP with reputation lists to identify known bot networks. - Email Validation vs. Blacklists
Checks email blacklist services to discard throw-away addresses and spam domains. - False Comment Moderation
Applies additional filters to comments, detecting typical automated spam patterns. - Spam Link Detection
Flags posts and sign-ups with excessive external links or domains already flagged as abusive.
Benefits of Anti-Splog
- Cleaner Multisite Network
Lesser empty and abandoned subsites occupying database space and admin panel. - Main Domain Out of Google’s Radar
Reduces the risk of SEO penalties caused by subsites with spam content linking back to the root domain. - Less Manual Vetting Time
Reduces the moderation queue and the need to delete fake accounts and blogs one by one. - Legitimate Registrations Preserved
The filters act on automated patterns, allowing real users to complete registration normally.
Who Should Use Anti-Splog?
- Operators of WordPress Multisite networks with open public registration who want to block splog bots.
- Platforms that offer free subsites in the wordpress.com style and need to keep their catalog clean.
- Communities, blog aggregators, and educational portals that accept new registrations and suffer from automated fake subsite creation.
How to Download Anti-Splog
The Anti-Splog is available for download here at Ultrapack. After downloading the .zip file, install it via Plugins > Add New > Upload Plugin, select the file, activate in the network and open the settings from the Network Admin panel to adjust block lists and filtering level.
Targeted at those who maintain WordPress Multisite networks with open registration, Anti-Splog covers the main spam vectors (blog registration, comments, and external links) in a single flow, eliminating reactive subsite-by-subsite moderation. The combination of IP checking, email validation against blacklists, and reading automated patterns keeps the network healthy and the Network Admin focused on the registrations that truly matter.
Frequently asked questions
Is WPMUDEV Anti-Splog GPL-licensed?
Yes. WPMUDEV Anti-Splog is distributed under the GPL (GNU General Public License). You may legally use, modify and redistribute it on as many sites as you want.
Can I use WPMUDEV Anti-Splog on multiple sites?
Yes. You can install WPMUDEV Anti-Splog on as many sites as you want. Only automatic updates through Ultrapack Auto Updater have a limit: from 3 to 80 sites, depending on the plan.
How much does WPMUDEV Anti-Splog cost at Ultrapack?
WPMUDEV Anti-Splog costs US$2.99 as a single purchase, and it is also included in the subscription plans starting at US$12/mo (VIP I).
Does WPMUDEV Anti-Splog include updates?
Yes. The current version of WPMUDEV Anti-Splog is 2.2.1, published at Ultrapack on Mar 1, 2017. Subscribers update straight from the WordPress dashboard with UAU (Ultrapack Auto Updater).
Is WPMUDEV Anti-Splog scanned before publication?
Yes. Every version of WPMUDEV Anti-Splog goes through a malware scan (ClamAV and YARA rules, at UltraHub) before it is published.
How to install
Automatic updates: this item is updated by the Ultrapack Auto Updater. With it installed, the new version shows up in your dashboard like any other WordPress update (how to set it up).
- Download the file
anti-splog.zip. - In the WordPress dashboard, go to Plugins > Add New > Upload Plugin.
- Select the file
anti-splog.zipand click Install Now. - Click Activate.
Stuck on a step? Open a ticket telling us which one you stopped at.

UAU Ready