CheckoutScripts6.4.3 · 11.6

static.klaviyo.com in a checkout page script inventory

Email and SMSexecutes on 80 of themvendor identified

static.klaviyo.com appeared on 82 of the 187 United States store cart pages we read on 30 August 2026, which is 44% of them, and on 80 it was loaded by a script or iframe tag, meaning it executed in the page.

01

What it is

Customer relationship management tool delivering targeted email and SMS messaging campaigns.

Source: the title and description published at klaviyo.com, read on 30 August 2026. Quoted there as “Klaviyo: AI Email Marketing & SMS | B2C CRM”.

02

What to write in the justification column

Confirm subscriber list handling procedures and verify data encryption during transmission.

This is a starting sentence, not an assessment. Requirement 6.4.3 wants your reason, written by someone at your company who can defend it.

03

Stores where we saw it

10 of 82

Up to ten examples from our scan. These are public storefronts and the observation is only that the host appeared in the HTML of their cart page on 30 August 2026.

glossier.comfentybeauty.comkyliecosmetics.comcolourpop.commorphe.comtula.comdollarshaveclub.comritual.comchomps.comperfectbar.com
04

Where to look next

Other hosts on klaviyo.com

Other email and sms hosts

All 448 hosts in the directory · Scan your own checkout page

Categories in this directory: Payment, Tag manager, Fraud and security, Consent, Analytics, Advertising, Email and SMS, Personalisation, Reviews, Chat and support, Loyalty, Subscriptions, Shipping and returns, Media and social, Fonts and CDN, Merchant-owned, Unclassified.