Websites Powered by Klaviyo
462,161 websites tracked using Klaviyo (Marketing automation) · www.klaviyo.com
Klaviyo is an email and SMS marketing platform focused on ecommerce, offering segmentation and automation driven by store data. Sites embed its tracking and signup scripts. It is common on Shopify and other online stores.
Usage trend
50K
100K
150K
200K
Feb 2021
Jun 2022
Oct 2023
Feb 2025
Jun 2026
Domains observed using Klaviyo in each month's HTTP Archive crawl,
Feb 2021 to Jun 2026 · peak 194,255 in Dec 2025. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.6 s
INP 100 ms
CLS 0
TTFB 500 ms
Median site among 189,342 Klaviyo sites with Chrome UX data, p75 values, Jun 2026.
Top countries
United States
103,547
United Kingdom
40,783
Canada
33,265
Australia
30,331
Germany
26,133
France
23,908
India
22,437
Spain
16,738
Sites using Klaviyo by audience country, Chrome UX Report.
Top sites by authority
9+
5% · 17 of 372 sites
8+
2% · 117 of 7,677 sites
7+
<1% · 456 of 45,712 sites
6+
1% · 1,239 of 110,136 sites
5+
1% · 3,036 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Klaviyo in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Klaviyo
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | shopify.com | 9.48/10 | 1,109,300 | 228,087 | Jun 2021 |
| 2 | cloudfront.net | 9.47/10 | - | - | Dec 2021 |
| 3 | blogspot.com | 9.39/10 | - | - | Aug 2022 |
| 4 | harvard.edu | 9.24/10 | 472,900 | 13,570 | Feb 2021 |
| 5 | pages.dev | 9.14/10 | - | - | Jun 2024 |
| 6 | klaviyo.com | 9.13/10 | 69,000 | 15,790 | Feb 2021 |
| 7 | nature.com | 9.13/10 | 4,250,400 | 2,211,060 | Mar 2022 |
| 8 | myshopify.com | 9.12/10 | - | - | Feb 2021 |
| 9 | squarespace.com | 9.11/10 | 240,100 | 36,138 | Jun 2021 |
| 10 | zendesk.com | 9.10/10 | 416,900 | 60,938 | Feb 2021 |
| 11 | vercel.app | 9.05/10 | - | - | Nov 2022 |
| 12 | telegraph.co.uk | 9.04/10 | 700,500 | 680,508 | Aug 2025 |
| 13 | b-cdn.net | 9.02/10 | - | - | May 2026 |
| 14 | netlify.app | 9.01/10 | 2 | 2 | Mar 2021 |
| 15 | latimes.com | 9.01/10 | 3,917,700 | 1,979,297 | Feb 2021 |
| 16 | yale.edu | 9.01/10 | 177,900 | 6,885 | Jul 2025 |
| 17 | uk.com | 9.00/10 | 2 | 12 | Feb 2021 |
| 18 | square.site | 8.99/10 | 92,700 | 37,752 | Feb 2021 |
| 19 | webflow.io | 8.95/10 | 79 | 1 | Aug 2022 |
| 20 | cisco.com | 8.92/10 | 1,161,900 | 251,239 | Aug 2022 |
| 21 | azurewebsites.net | 8.87/10 | - | - | Aug 2022 |
| 22 | appspot.com | 8.87/10 | - | - | Jan 2024 |
| 23 | cargo.site | 8.86/10 | 2,300 | 1,803 | Mar 2024 |
| 24 | us.com | 8.86/10 | 32 | 9 | Feb 2021 |
| 25 | foxnews.com | 8.84/10 | 3,935,900 | 1,382,455 | Jul 2023 |
| 26 | it.com | 8.81/10 | - | - | Apr 2025 |
| 27 | woocommerce.com | 8.79/10 | 112,100 | 24,386 | Nov 2023 |
| 28 | wpenginepowered.com | 8.77/10 | - | - | Feb 2024 |
| 29 | eu.com | 8.77/10 | - | - | Feb 2021 |
| 30 | web.app | 8.76/10 | - | - | Jun 2026 |
| 31 | bookshop.org | 8.75/10 | 415,700 | 189,653 | Jun 2021 |
| 32 | rutgers.edu | 8.75/10 | 147,400 | 31,478 | Apr 2023 |
| 33 | herokuapp.com | 8.74/10 | - | - | Feb 2021 |
| 34 | freshdesk.com | 8.71/10 | 3 | 2 | Jan 2023 |
| 35 | moma.org | 8.71/10 | 1,450,900 | 153,478 | Mar 2026 |
| 36 | arizona.edu | 8.71/10 | 127,800 | 25,918 | Sep 2023 |
| 37 | carrd.co | 8.68/10 | 74,900 | 6,103 | Sep 2022 |
| 38 | pantheonsite.io | 8.67/10 | 7 | 5 | Nov 2022 |
| 39 | sleepfoundation.org | 8.67/10 | 1,645,700 | 261,802 | Mar 2022 |
| 40 | hulu.com | 8.64/10 | 11,865,600 | 658,965 | Jan 2022 |
| 41 | teachable.com | 8.63/10 | 17,600 | 3,238 | Feb 2021 |
| 42 | autodesk.com | 8.63/10 | 747,900 | 158,390 | Jun 2024 |
| 43 | thinkific.com | 8.62/10 | 31,100 | 15,318 | Oct 2021 |
| 44 | com.de | 8.62/10 | 5 | 14 | Feb 2021 |
| 45 | cn.com | 8.59/10 | 17 | 8 | Jan 2024 |
| 46 | sa.com | 8.58/10 | - | - | May 2023 |
| 47 | aaa.com | 8.57/10 | 2,170,600 | 474,323 | Sep 2024 |
| 48 | ad.nl | 8.57/10 | 37,900 | 19,926 | Aug 2025 |
| 49 | volkskrant.nl | 8.55/10 | 5,300 | 5,969 | Jul 2025 |
| 50 | duolingo.com | 8.54/10 | 213,200 | 57,263 | Aug 2022 |
| 51 | smartinsights.com | 8.53/10 | 22,400 | 12,449 | Dec 2025 |
| 52 | hbo.com | 8.52/10 | 544,600 | 61,638 | Jul 2021 |
| 53 | gorgias.help | 8.52/10 | - | - | Jul 2023 |
| 54 | atlasobscura.com | 8.51/10 | 1,473,100 | 391,313 | Dec 2024 |
| 55 | nu.nl | 8.51/10 | 14,200 | 7,610 | Jul 2025 |
| 56 | lulu.com | 8.50/10 | 33,000 | 27,459 | Apr 2022 |
| 57 | hostingersite.com | 8.49/10 | - | - | Jun 2025 |
| 58 | panasonic.com | 8.48/10 | 42,700 | 27,959 | Mar 2023 |
| 59 | patagonia.com | 8.47/10 | 1,257,300 | 310,910 | Feb 2021 |
| 60 | designrush.com | 8.47/10 | 107,900 | 50,291 | Jun 2026 |
| 61 | cuppa.ai | 8.46/10 | 64 | 11 | Oct 2024 |
| 62 | de.com | 8.46/10 | - | 2 | Apr 2024 |
| 63 | bonappetit.com | 8.44/10 | 3,272,500 | 734,463 | Dec 2023 |
| 64 | mcmaster.ca | 8.43/10 | 4,600 | 1,351 | Aug 2023 |
| 65 | mykajabi.com | 8.42/10 | - | - | Oct 2021 |
| 66 | getty.edu | 8.42/10 | 599,600 | 82,057 | Nov 2025 |
| 67 | springernature.com | 8.41/10 | 27,300 | 12,532 | Nov 2021 |
| 68 | uk.net | 8.41/10 | - | - | Feb 2021 |
| 69 | trouw.nl | 8.40/10 | 3,200 | 2,330 | Jul 2025 |
| 70 | later.com | 8.38/10 | 175,000 | 55,964 | Apr 2023 |
| 71 | lpages.co | 8.37/10 | - | - | Nov 2022 |
| 72 | jpn.com | 8.36/10 | - | - | Mar 2021 |
| 73 | kinsta.cloud | 8.35/10 | - | - | Sep 2022 |
| 74 | corporatefinanceinstitute.com | 8.35/10 | 2,062,500 | 305,168 | Oct 2021 |
| 75 | afsp.org | 8.35/10 | 44,600 | 19,628 | Feb 2021 |
| 76 | framer.website | 8.34/10 | - | - | Jun 2024 |
| 77 | nga.gov | 8.33/10 | 727,500 | 111,907 | Apr 2022 |
| 78 | cafe24.com | 8.31/10 | 6 | 6 | Mar 2026 |
| 79 | nolo.com | 8.31/10 | 367,500 | 201,970 | May 2022 |
| 80 | suntory.co.jp | 8.31/10 | 350 | 279 | Mar 2022 |
| 81 | complex.com | 8.28/10 | 808,300 | 434,139 | Feb 2021 |
| 82 | macleans.ca | 8.28/10 | 24,700 | 25,878 | Nov 2022 |
| 83 | firebaseapp.com | 8.27/10 | - | - | Oct 2023 |
| 84 | teespring.com | 8.27/10 | 9,400 | 4,400 | Feb 2021 |
| 85 | hachettebookgroup.com | 8.27/10 | 182,700 | 57,304 | Jan 2026 |
| 86 | com.ru | 8.27/10 | - | - | Jul 2022 |
| 87 | ou.edu | 8.27/10 | 382,900 | 71,501 | Apr 2026 |
| 88 | parool.nl | 8.27/10 | 1,400 | 4,068 | Jul 2025 |
| 89 | newstatesman.com | 8.26/10 | 38,600 | 28,424 | Mar 2025 |
| 90 | mercedes-benz.com | 8.25/10 | 186,400 | 15,625 | Sep 2023 |
| 91 | mattel.com | 8.24/10 | - | 1 | Mar 2021 |
| 92 | costco.com | 8.24/10 | 24,792,400 | 3,063,436 | Jun 2026 |
| 93 | wpcomstaging.com | 8.20/10 | - | - | Dec 2023 |
| 94 | onlyfans.com | 8.20/10 | 66,700 | 5,719 | Jul 2021 |
| 95 | memberclicks.net | 8.18/10 | - | - | Nov 2025 |
| 96 | sothebys.com | 8.17/10 | 171,900 | 115,876 | Mar 2024 |
| 97 | mindbodygreen.com | 8.17/10 | 299,100 | 196,510 | Sep 2024 |
| 98 | usmagazine.com | 8.17/10 | 2,549,400 | 852,905 | Jul 2023 |
| 99 | blizzard.com | 8.16/10 | 59,200 | 7,073 | Mar 2022 |
| 100 | onetreeplanted.org | 8.13/10 | 76,600 | 10,553 | Feb 2022 |
Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.
Download top 10,000 as CSV (zip) →
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