AI readiness leaderboard · Email marketing

AI readiness of sender.net: 100/100

100/100

We checked sender.net on 2026-10-18 with our free checker: six scored tests plus evidence for each finding. The score reflects the site on that date. The site may have changed after that date.

Test	Result	Points
llms.txt	Yes	15 of 15
JSON-LD schema on the homepage	Yes	20 of 20
Meta description	Yes	10 of 10
Text readable without JavaScript	Yes	20 of 20
Sitemap	Yes	10 of 10
AI crawlers allowed in robots.txt	8 of 8	25 of 25

Compared with Email marketing

sender.net ranks 14 of 21 email marketing sites in this scan (ties share the order by domain name). The median score in this group is 100. 15 of 21 have an llms.txt file.

Findings with evidence

Improvellms.txt found, with gaps

First line: "# llms.txt for Sender.net". 14 ## sections, 61 links, 16633 bytes.

Fix: Add a one-line > summary under the heading.

ImproveJSON-LD: 4 blocks, types Organization, ContactPoint, WebSite, WebPage, Thing, BreadcrumbList, ListItem

Organization is missing recommended logo, sameAs.

Fix: Fix the listed properties, then retest at validator.schema.org.

FixServer responded in 2155 ms

Time to response headers from our checker, after 1 redirect. Final URL: https://www.sender.net/

Fix: Slow responses can make crawlers give up. Add page caching or a CDN in front of the homepage.

ImproveHTML size 331 KB, 14 script tags

0 render-blocking scripts in <head>

Fix: Large HTML slows crawlers and tools with size limits. Move inline data and scripts out of the HTML.

17 checks passed or noted

PassGPTBot (OpenAI, training): allowed on /

User-agent: *
Disallow: /*?*_page=
Disallow: /*&*_page=
Disallow: /blog/brand-loyalty/?*
Disallow: /blog/email-marketing-statistics/?*
Disallow: /blog/inbound-marketing-statistics/?*
(4 more lines)
Group "*" has no rule for /.

PassOAI-SearchBot (OpenAI, ChatGPT search): allowed on /

User-agent: *
Disallow: /*?*_page=
Disallow: /*&*_page=
Disallow: /blog/brand-loyalty/?*
Disallow: /blog/email-marketing-statistics/?*
Disallow: /blog/inbound-marketing-statistics/?*
(4 more lines)
Group "*" has no rule for /.

PassChatGPT-User (OpenAI, live fetch for users): allowed on /

User-agent: *
Disallow: /*?*_page=
Disallow: /*&*_page=
Disallow: /blog/brand-loyalty/?*
Disallow: /blog/email-marketing-statistics/?*
Disallow: /blog/inbound-marketing-statistics/?*
(4 more lines)
Group "*" has no rule for /.

PassClaudeBot (Anthropic, training): allowed on /

User-agent: *
Disallow: /*?*_page=
Disallow: /*&*_page=
Disallow: /blog/brand-loyalty/?*
Disallow: /blog/email-marketing-statistics/?*
Disallow: /blog/inbound-marketing-statistics/?*
(4 more lines)
Group "*" has no rule for /.

PassClaude-SearchBot (Anthropic, Claude search): allowed on /

User-agent: *
Disallow: /*?*_page=
Disallow: /*&*_page=
Disallow: /blog/brand-loyalty/?*
Disallow: /blog/email-marketing-statistics/?*
Disallow: /blog/inbound-marketing-statistics/?*
(4 more lines)
Group "*" has no rule for /.

PassPerplexityBot (Perplexity, search index): allowed on /

User-agent: *
Disallow: /*?*_page=
Disallow: /*&*_page=
Disallow: /blog/brand-loyalty/?*
Disallow: /blog/email-marketing-statistics/?*
Disallow: /blog/inbound-marketing-statistics/?*
(4 more lines)
Group "*" has no rule for /.

PassGoogle-Extended (Google, Gemini training control): allowed on /

User-agent: *
Disallow: /*?*_page=
Disallow: /*&*_page=
Disallow: /blog/brand-loyalty/?*
Disallow: /blog/email-marketing-statistics/?*
Disallow: /blog/inbound-marketing-statistics/?*
(4 more lines)
Group "*" has no rule for /.

PassCCBot (Common Crawl, open dataset): allowed on /

User-agent: *
Disallow: /*?*_page=
Disallow: /*&*_page=
Disallow: /blog/brand-loyalty/?*
Disallow: /blog/email-marketing-statistics/?*
Disallow: /blog/inbound-marketing-statistics/?*
(4 more lines)
Group "*" has no rule for /.

NoteNo llms-full.txt

GET /llms-full.txt returned 404.

Fix: Optional: publish /llms-full.txt with the full text of key pages for tools that want more than a map.

PassTitle, 56 characters

<title>Sender – Email Marketing Platform for Growing Businesses</title>

PassMeta description, 157 characters

content="Email marketing, automation, transactional emails, 24/7 support — Sender is built for growing businesses. Free for 2,500 subscribers and 15,000 emails/month."

PassOpen Graph tags present

og:title: Sender – Email Marketing Platform for Growing Businesses
og:description: Email marketing, automation, transactional emails, 24/7 support — Sender is built for gro…
og:image: https://www.sender.net/assets/compressed-images/sender-cover.png

PassCanonical link set

<link rel="canonical" href="https://www.sender.net/">

PassLanguage declared: en

<html lang="en">

Pass1 H1 heading

<h1>Email marketing that sells without the hassle</h1>

Pass8,139 characters of text without JavaScript

Text starts: "Sender – Email Marketing Platform for Growing Businesses Sender works with your AI assistant now. And it's free! See How &rarr; Features Resources Education Em…"

PassSitemap found, 3 child sitemaps

robots.txt: Sitemap: https://www.sender.net/sitemap.xml
GET https://www.sender.net/sitemap.xml returned 200.

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See how all 21 email marketing sites compare: common problems, real evidence and the full table.

Scoring: llms.txt 15, JSON-LD 20, meta description 10, readable text 20, sitemap 10, AI crawler access 25. Want this page changed or removed? Email [email protected].

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