Very simple antispam plugin. Users do not need to enter any captcha, working completely on background. No need to administer: just install the plugin …
As of April 2026, Concise Antispam is a WordPress spam plugin with 20 active installations and a 5/5 rating from 2 reviews. It has been downloaded 2.2K+ times in total. Requires WordPress 4.1+ and PHP 5.6+. Available on WordPress.org since 2020. Last updated 3 years ago — may have compatibility concerns. Top alternative: Akismet Anti-spam: Spam Protection.
Antispam will automatically check submissions of the regular forms but ignores all AJAX requests.
If you want to change this behaviour, you can use filter concise_antispam_need_to_validate_token.
See example:
Disable Antispam for some forms:
add_filter("concise_antispam_need_to_validate_token", function($needToValidateToken) {
if (!empty($_POST['do-not-check-antispam-token'])) {
$needToValidateToken = false;
}
return $needToValidateToken;
});
You can also always manually call \Concise\Antispam::validateToke…
| WordPress | 4.1+ requiredTested up to 6.0.11 |
| PHP | 5.6+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.