AI readiness of email marketing sites: 21 scored
On 2026-10-18 we ran our six AI readiness tests on 21 email marketing homepages. Median score: 100 out of 100. 15 of 21 have an llms.txt file. 1 block at least one of the 8 AI crawlers we test.
Most missed tests
- llms.txt: missing on 6 of 21
- JSON-LD schema on the homepage: missing on 3 of 21
All 21 sites
| # | Site | Score | llms.txt | JSON-LD schema on the homepage | Meta description | Text readable without JavaScript | Sitemap | AI crawlers allowed |
|---|---|---|---|---|---|---|---|---|
| 1 | aweber.com | 100 | Yes | Yes | Yes | Yes | Yes | 8/8 |
| 2 | beehiiv.com | 100 | Yes | Yes | Yes | Yes | Yes | 8/8 |
| 3 | brevo.com | 100 | Yes | Yes | Yes | Yes | Yes | 8/8 |
| 4 | buttondown.com | 100 | Yes | Yes | Yes | Yes | Yes | 8/8 |
| 5 | customer.io | 100 | Yes | Yes | Yes | Yes | Yes | 8/8 |
| 6 | getresponse.com | 100 | Yes | Yes | Yes | Yes | Yes | 8/8 |
| 7 | klaviyo.com | 100 | Yes | Yes | Yes | Yes | Yes | 8/8 |
| 8 | loops.so | 100 | Yes | Yes | Yes | Yes | Yes | 8/8 |
| 9 | mailchimp.com | 100 | Yes | Yes | Yes | Yes | Yes | 8/8 |
| 10 | mailerlite.com | 100 | Yes | Yes | Yes | Yes | Yes | 8/8 |
| 11 | omnisend.com | 100 | Yes | Yes | Yes | Yes | Yes | 8/8 |
| 12 | postmarkapp.com | 100 | Yes | Yes | Yes | Yes | Yes | 8/8 |
| 13 | resend.com | 100 | Yes | Yes | Yes | Yes | Yes | 8/8 |
| 14 | sender.net | 100 | Yes | Yes | Yes | Yes | Yes | 8/8 |
| 15 | moosend.com | 94 | Yes | Yes | Yes | Yes | Yes | 6/8 |
| 16 | activecampaign.com | 85 | No | Yes | Yes | Yes | Yes | 8/8 |
| 17 | emailoctopus.com | 85 | No | Yes | Yes | Yes | Yes | 8/8 |
| 18 | mailgun.com | 85 | No | Yes | Yes | Yes | Yes | 8/8 |
| 19 | convertkit.com | 65 | No | No | Yes | Yes | Yes | 8/8 |
| 20 | kit.com | 65 | No | No | Yes | Yes | Yes | 8/8 |
| 21 | substack.com | 65 | No | No | Yes | Yes | Yes | 8/8 |
Ties share the order by domain name. Every score is a real result from the 2026-10-18 scan.
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