AI readiness leaderboard · Email marketing

AI readiness of klaviyo.com: 100/100

100/100

We checked klaviyo.com 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

klaviyo.com ranks 7 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

ImproveJSON-LD: 1 block, types WebSite, SearchAction, Organization, Person, PostalAddress, ImageObject, ContactPoint, WebPage, ItemList, FAQPage, Question, Answer

Person is missing recommended url.

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

ImproveMeta description, 201 characters

content="Klaviyo unifies AI-powered email marketing and SMS to drive growth, retention, and measurable results. Build personalized, omnichannel experiences across WhatsApp, ecommerce, and more with K:AI Agents."

Fix: Trim to about 160 characters.

ImproveOpen Graph: missing og:description

og:title: Klaviyo: AI Email Marketing & SMS | B2C CRM
og:description: missing
og:image: https://www.klaviyo.com/static/klaviyo-social-share-image.jpg

Fix: Add <meta property="og:description" content="...">. Chat apps and AI tools use these for link previews.

FixServer responded in 2193 ms

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

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

ImproveHTML size 567 KB, 30 script tags

3 render-blocking scripts in <head>: https://transcend-cdn.com/cm/f3c1005b-8270-469c-85a4-81fe6c9b70e7/airgap.js?cacheBust=1792254729360

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

16 checks passed or noted

PassGPTBot (OpenAI, training): allowed on /

User-agent: ClaudeBot
User-agent: Claude-User
User-agent: Claude-SearchBot
User-agent: OAI-SearchBot
User-agent: GPTBot
User-agent: ChatGPT-User
(67 more lines)
Group "claudebot, claude-user, claude-searchbot, oai-searchbot, gptbot, chatgpt-user, perplexitybot, perplexity-user, google-agent, google-notebooklm, gemini-deep-research, duckassistbot, youbot, meta-externalagent" has no rule for /.

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

User-agent: ClaudeBot
User-agent: Claude-User
User-agent: Claude-SearchBot
User-agent: OAI-SearchBot
User-agent: GPTBot
User-agent: ChatGPT-User
(67 more lines)
Group "claudebot, claude-user, claude-searchbot, oai-searchbot, gptbot, chatgpt-user, perplexitybot, perplexity-user, google-agent, google-notebooklm, gemini-deep-research, duckassistbot, youbot, meta-externalagent" has no rule for /.

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

User-agent: ClaudeBot
User-agent: Claude-User
User-agent: Claude-SearchBot
User-agent: OAI-SearchBot
User-agent: GPTBot
User-agent: ChatGPT-User
(67 more lines)
Group "claudebot, claude-user, claude-searchbot, oai-searchbot, gptbot, chatgpt-user, perplexitybot, perplexity-user, google-agent, google-notebooklm, gemini-deep-research, duckassistbot, youbot, meta-externalagent" has no rule for /.

PassClaudeBot (Anthropic, training): allowed on /

User-agent: ClaudeBot
User-agent: Claude-User
User-agent: Claude-SearchBot
User-agent: OAI-SearchBot
User-agent: GPTBot
User-agent: ChatGPT-User
(67 more lines)
Group "claudebot, claude-user, claude-searchbot, oai-searchbot, gptbot, chatgpt-user, perplexitybot, perplexity-user, google-agent, google-notebooklm, gemini-deep-research, duckassistbot, youbot, meta-externalagent" has no rule for /.

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

User-agent: ClaudeBot
User-agent: Claude-User
User-agent: Claude-SearchBot
User-agent: OAI-SearchBot
User-agent: GPTBot
User-agent: ChatGPT-User
(67 more lines)
Group "claudebot, claude-user, claude-searchbot, oai-searchbot, gptbot, chatgpt-user, perplexitybot, perplexity-user, google-agent, google-notebooklm, gemini-deep-research, duckassistbot, youbot, meta-externalagent" has no rule for /.

PassPerplexityBot (Perplexity, search index): allowed on /

User-agent: ClaudeBot
User-agent: Claude-User
User-agent: Claude-SearchBot
User-agent: OAI-SearchBot
User-agent: GPTBot
User-agent: ChatGPT-User
(67 more lines)
Group "claudebot, claude-user, claude-searchbot, oai-searchbot, gptbot, chatgpt-user, perplexitybot, perplexity-user, google-agent, google-notebooklm, gemini-deep-research, duckassistbot, youbot, meta-externalagent" has no rule for /.

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

User-agent: *
Allow: /llms.txt
Disallow: /analytics
Disallow: /library
Disallow: /campaign
Disallow: /campaigns
(54 more lines)
Group "*" has no rule for /.

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

User-agent: *
Allow: /llms.txt
Disallow: /analytics
Disallow: /library
Disallow: /campaign
Disallow: /campaigns
(54 more lines)
Group "*" has no rule for /.

Passllms.txt found and well formed

First line: "# Klaviyo – AI Content Guidance File". 12 ## sections, 80 links, 20229 bytes.

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, 43 characters

<title>Klaviyo: AI Email Marketing & SMS | B2C CRM</title>

PassCanonical link set

<link rel="canonical" href="https://www.klaviyo.com">

PassLanguage declared: en-US

<html lang="en-US">

Pass1 H1 heading

<h1>The AI marketing and service platform built to deliver personalized, omnichannel campaigns and 24/7…</h1>

Pass14,541 characters of text without JavaScript

Text starts: "Klaviyo: AI Email Marketing &amp; SMS | B2C CRM Skip to main content Platform Overview The B2C CRM Discover how the Klaviyo CRM, built for your business, can h…"

PassSitemap found, 8 child sitemaps

robots.txt: Sitemap: https://www.klaviyo.com/sitemap_index.xml
GET https://www.klaviyo.com/sitemap_index.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].

AI crawler and llms.txt updates

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