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Klaviyo icon
Actively maintained Tested up to 7.0.6 #432 most installed plugin #14 in analytics

Klaviyo

Klaviyo for WooCommerce

Active installs100K+100K+ tier
Downloads · 30d28.1K▼ -78.3% vs prev. 30d
Rating2.8/524 reviews
Health score61/100Fair
All-time downloads1.9MSince Apr 2012
Support resolved0 / 20% in last 2 months
RequiresWP 5.2PHP 7.0+
Overall rank#432of 69,475 plugins
Our verdict

Use with caution

Klaviyo works, but test it on a staging site before relying on it in 2026. It runs on 100K+ sites, is rated 2.8/5 and was last updated 1 month ago, and scores 61/100 on our health check.

  • Proven at scale on 100K+ active sites
  • Mixed reviews — 2.8/5 from 24 ratings

How does it stack up?

Side-by-side on installs, updates, ratings & support

Daily downloads

7.1K14.2K21.3KJun 28Aug 11Sep 25
Yesterday820
Daily average (1y)1,770
Peak day28,349Aug 4, 2026
Last 12 months644.1K

Download spikes usually follow a new release — each site that auto-updates counts as a download.

Rankings

Where Klaviyo stands today
Overall popularity #432 of 69,475 WordPress.org plugins Top 0.62%
100K+ installs tier 300 of 334
Next tier: 500K+ installs
Analytics #14 of 1,068 plugins → Email #8 of 1,089 plugins → Klaviyo #1 of 10 plugins → Marketing #8 of 453 plugins → Woocommerce #23 of 8,996 plugins →

WordPress.org search rankings

Live position in the plugin search, top 100
KeywordPositionCompeting pluginsCategory
analytics >100 7,393 Best analytics plugins →
email >100 10,000 Best email plugins →
Klaviyo #1 173 Best Klaviyo plugins →
marketing >100 4,462 Best marketing plugins →
woocommerce >100 10,000 Best woocommerce plugins →

Version adoption

Share of active sites per release.

  • 3.860.1%
  • 3.728.9%
  • Other11.1%

Rating breakdown

★★★★★★★★★★ 2.8 from 24 reviews

  • 5★33.3%
  • 4★8.3%
  • 3★8.3%
  • 2★4.2%
  • 1★45.8%

About Klaviyo

From the official readme · v3.8.3

Description

Grow faster and more efficiently with personalized email and SMS. Powered by your own customer data.

Over 13,000 WooCommerce brands use Klaviyo to power smarter digital relationships. Klaviyo unlocks data across 300+ integrations to drive increased revenue and lifetime value across channels –– email, SMS, mobile push, paid ads, and web –– to drive 46x ROI for our most successful brands.

Use omnichannel templates for Welcome, Back in Stock, Abandon, Price Drop & more

Build email and SMS journeys triggered by specific customer behaviors with a library of high-converting templates built for WooCommerce. These templates include browse abandonment, price drop, canceled order, abandoned checkout, and more, that can be triggered by real-time event-level data.

Personalize your messages further with customization for triggers, branches / splits, personalized offers, and A/B testing. Send cart reminders by order value, upsell based on order frequency, or send post-purchase email and SMS based on new vs existing customers.

  • Use single-use, dynamic coupons for targeted offers
  • Add dynamic product recommendations based on browsing history, past purchases, and other behaviors
  • Smart sending allows you to limit the number of emails, SMS, and push notifications customers receive
  • Reusable sections that stay consistent across all templates, for consistency and easy mass-updates
  • Custom HTML/CSS to upload existing templates or code new ones from scratch

Sync your WooCommerce store data within minutes

As a WooCommerce strategic partner, our direct extension takes only minutes to integrate and is pre-built right out of the box. This allows you to sync all your historical and real-time data, plus utilize metadata (like value, variant name, quantity, and discount codes), so you can stay on top of every single interaction buyers have with your brand.

Every event and metadata can be used to build segments and campaigns, send automated flows, and use in reporting, all with no coding required.

  • Active on site
  • Ordered product
  • Fulfilled order
  • Placed order
  • Refunded orders
  • Started checkout

Use complete historical and real-time data for precise segmentation

Build precise groups of segmented audiences using any combination of event data (e.g. browsing behavior), behavior data (e.g. placed order and refunded orders) and predictive data (e.g. predicted next order date) to target paid ads, email, SMS, and web forms.

Klaviyo segments update in real-time any time a profile meets segment criteria––no manual tagging required.

  • Build unlimited segment parameters using all-time data (e.g. your first 100 customers, last year’s BFCM shoppers, engaged subscribers in the last 90 days, etc)
  • Use segments to target signup forms on your WooCommerce store (e.g. customers who have looked at a product page over 5 times but haven’t purchased)
  • Connect Klaviyo with Facebook, Google Ads, and Criteo for retargeting and lookalike segmentation
  • Use our segment growth report to spot any trends and track the performance of specific segments week by week
  • Segment AI uses generative AI to create a segment based on your description

Get more answers out of your data

With Klaviyo’s reporting tool for data analysis, you can track metrics and benchmarks through dashboards you can share and customize to spot new areas of opportunity and improvement.
– Use Klaviyo AI to write SMS and subject lines, design email sections, optimize forms display timing, build predictive analytics, and more
– Get real-time revenue data and analytics per automation, campaign, segment, and channel
– Benchmark your performance across key metrics with 100 brands in your category
– Get account-level email deliverability reporting within our deliverability hub
– Manage multiple global accounts with a single login

See why 13,000 WooCommerce brands choose to grow with Klaviyo.

Installation

Integrating Klaviyo and your WooCommerce store is a simple process:

  1. Install/activate Klaviyo’s plugin.
  2. Click on Klaviyo in your left-menu, then click Connect Account.
  3. Click through two screens to approve access and finish setting up your integration.

For detailed instructions on integrating Klaviyo and WooCommerce please visit our Help Center.

Changelog

3.8.3 2026-08-17

  • Security – Sign outgoing custom/* webhooks (options, remove, consent) with an HMAC signature, matching WooCommerce’s native webhook signing scheme.

3.8.2 2026-08-03

  • Security – The legacy WooCommerce API validator used by the products endpoints now also accepts credentials via header, matching the fix already applied to the other authenticated endpoints.

3.8.1 2026-07-31

  • Fixed – Register WooCommerce checkout block scripts in the footer to silence WooCommerce dependency console warnings on block checkout pages.
  • Security – WooCommerce API credentials are now sent via a request header instead of the URL. Older plugin versions calling into this endpoint continue to work via the previous method.

3.8.0 2026-05-27

  • Added – Enables WhatsApp consent at checkout.
  • Fixed – Debounce klaviyo.identify() in WooCommerce Blocks checkout to prevent duplicate profiles when typing email addresses.

3.7.5 2026-05-06

  • Changed – Update private API key validation to support new key format.

3.7.4 2026-05-01

  • Changed – Update Klaviyo backend API revision to 2026-04-15.

Full changelog on WordPress.org →

Screenshots

Use omnichannel templates for Welcome, Back in Stock, Abandon, Price Drop & more
Use omnichannel templates for Welcome, Back in Stock, Abandon, Price Drop & more
Sync your WooCommerce store data within minutes
Sync your WooCommerce store data within minutes
Use complete historical and real-time data for precise segmentation
Use complete historical and real-time data for precise segmentation
Get more answers out of your data
Get more answers out of your data

For developers

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FAQ

Klaviyo: quick answers

Straight answers, pulled from live WordPress.org data.

Live data from WordPress.org · checked Sep 26, 2026

Is Klaviyo free?

Yes. Klaviyo is free to download and use from the official WordPress.org plugin directory.

Is Klaviyo safe to use in 2026?

Klaviyo works, but test it on a staging site before relying on it in 2026. It runs on 100K+ sites, is rated 2.8/5 and was last updated 1 month ago, and scores 61/100 on our health check.

How many websites use Klaviyo?

Klaviyo is active on 100K+ WordPress websites and has been downloaded 1,919,732 times since it launched in April 2012. It was downloaded 28,078 times in the last 30 days.

Does Klaviyo work with WordPress 7.1?

Klaviyo is officially tested up to WordPress 7.0.6, while the latest release is 7.1.2. It may still work, but try it on a staging site first.

What PHP version does Klaviyo need?

Klaviyo requires PHP 7.0 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.

When was Klaviyo last updated?

The latest version, 3.8.3, was released on August 17, 2026 (1 month ago).

Who makes Klaviyo?

Klaviyo is developed and maintained by klaviyo.

What are the best alternatives to Klaviyo?

The most popular alternatives to Klaviyo are Site Kit by Google (5M+ installs), MonsterInsights (2M+ installs) and WP Statistics (600K+ installs).

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