Kissmetrics
Install Kissmetrics and automatically track pageviews, sign-ups, search, comments, social interactions, and WooCommerce purchases — no code required.
Use with caution
Kissmetrics works, but test it on a staging site before relying on it in 2026. It runs on 10+ sites and was last updated 2 months ago, and scores 57/100 on our health check.
- Small user base (10+ active installs)
- Very few reviews so far
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where Kissmetrics stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| analytics | >100 |
| behavior | >100 |
| kissmetrics | #2 |
| tracking | >100 |
| woocommerce | >100 |
Version adoption
Share of active sites per release.
About Kissmetrics
From the official readme · v0.3.0Description
The official Kissmetrics plugin makes integrating Kissmetrics into your WordPress blog, website, or store effortless. Paste your API key once and the plugin installs your tracking code and captures a rich set of behavioral events with minimal configuration.
Easily track:
- Homepage, post, and page views (with title, categories, and tags)
- Sign in and registration events
- Link clicks in posts, pages, and comments
- Search queries
- Comment submissions
- Social interactions (Facebook, Twitter)
- WooCommerce purchases — revenue, items, currency, and order ID
Automatically identify:
- Authenticated users by username
- WooCommerce buyers by billing email
- Unregistered commenters by email address
All tracking is opt-in per event type from a single settings screen.
External services
This plugin connects to Kissmetrics, a third-party analytics service, to record how visitors interact with your site. This is the core purpose of the plugin and it is only active once you enter your Kissmetrics API key.
What it does and the data it sends:
- Loads the Kissmetrics JavaScript library from
https://i.kissmetrics.io/i.jsandhttps://scripts.kissmetrics.io/<your-api-key>.2.json your site’s front end. These scripts run in the visitor’s browser and transmit event data to Kissmetrics. - Sends behavioral events to Kissmetrics as visitors browse — for example page and post views, searches, link clicks, sign-ups, log-ins, comments, and (if WooCommerce tracking is enabled) completed purchases including order total, currency, item names, and order ID.
- Sends identifying data when available — the username of a logged-in user, the billing email of a WooCommerce buyer, or the email address a commenter enters — so that activity can be attributed to a person in Kissmetrics.
Data is sent only for the event types you enable on the plugin’s settings screen, and only after you configure an API key. No data is sent to Kissmetrics before then.
Kissmetrics is provided by KISSmetrics. By using this plugin you send visitor data to Kissmetrics, so please review their policies and ensure your own site’s privacy notice reflects this:
- Terms of Use: https://www.kissmetrics.io/terms
- Privacy Policy: https://www.kissmetrics.io/privacy
Installation
- Upload the
kissmetricsfolder to/wp-content/plugins/, or install it from the Plugins screen in your WordPress dashboard. - Go to the
Pluginsmenu and activate Kissmetrics. - Open
Settings → Kissmetrics. - Paste your API key (from https://app.kissmetrics.io/settings) and choose which events to track.
Frequently asked questions
Where do I find my API key?
In your Kissmetrics account under Settings: https://app.kissmetrics.io/settings
Does it work with WooCommerce?
Yes. Enable Track purchases under the WooCommerce section of the settings screen. The plugin records a Purchased event on the order-received page and identifies the buyer by billing email.
Does it work with block (FSE) themes?
Yes. Page context (homepage, search, etc.) is detected server-side with WordPress conditional tags rather than theme CSS classes, so events fire correctly on modern block themes.
Does it slow down my site?
No. The Kissmetrics library loads asynchronously and is only output once an API key is configured.
Changelog
Adds WooCommerce purchase tracking, fixes outbound-link and PHP 8 / block-theme issues, and hardens the plugin for the WordPress.org directory.
0.3.0
- New: WooCommerce purchase tracking (revenue, items, currency, order ID; identifies buyer by billing email).
- Fixed: outbound-link detection (origin domain was unresolved, classifying every link as outbound).
- Fixed: replaced deprecated
get_currentuserinfo()withwp_get_current_user(). - Fixed: PHP 8 “undefined array key” notice when reading the comment-author cookie.
- Fixed: homepage and search detection now use server-side conditional tags, so they work on block/FSE themes.
- Security: escape all dynamic values (
esc_js/wp_json_encode) before output; unslash and sanitize all superglobals. - Compliance: output scripts through the queue (
wp_add_inline_script), added text domain/i18n,uninstall.php, and direct-access guards.
0.2.0
- Updated plugin to work with PHP 8.0.
0.1.1
- Improved outbound link detection.
0.1.0
- Update to kissmetrics.io domain.
0.0.3
- Bugfix: correct use of check_admin_referer with nonce.
0.0.2
- Bugfix: closing JS script tag would not appear unless you opted to track Search Queries.
Screenshots
For developers
Is this your plugin? Show off the numbers.
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Best Kissmetrics alternatives
All analytics plugins →
FAQ
Kissmetrics: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 9, 2026
Is Kissmetrics free?
Yes. Kissmetrics is free to download and use from the official WordPress.org plugin directory.
Is Kissmetrics safe to use in 2026?
Kissmetrics works, but test it on a staging site before relying on it in 2026. It runs on 10+ sites and was last updated 2 months ago, and scores 57/100 on our health check.
How many websites use Kissmetrics?
Kissmetrics is active on 10+ WordPress websites and has been downloaded 247 times since it launched in July 2026. It was downloaded 81 times in the last 30 days.
Does Kissmetrics work with WordPress 7.1?
Kissmetrics is officially tested up to WordPress 7.0.7, while the latest release is 7.1.3. It may still work, but try it on a staging site first.
What PHP version does Kissmetrics need?
Kissmetrics requires PHP 7.4 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.
When was Kissmetrics last updated?
The latest version, 0.3.0, was released on July 28, 2026 (2 months ago).
Who makes Kissmetrics?
Kissmetrics is developed and maintained by kissmetricshq.
What are the best alternatives to Kissmetrics?
The most popular alternatives to Kissmetrics are Site Kit by Google (5M+ installs), MonsterInsights (2M+ installs) and WP Statistics (500K+ installs).
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