AI readiness leaderboard · Website builders

AI readiness of bubble.io: 65/100

65/100

We checked bubble.io 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	No	0 of 15
JSON-LD schema on the homepage	Yes	20 of 20
Meta description	Yes	10 of 10
Text readable without JavaScript	No	0 of 20
Sitemap	Yes	10 of 10
AI crawlers allowed in robots.txt	8 of 8	25 of 25

Compared with Website builders

bubble.io ranks 14 of 18 website builders sites in this scan (ties share the order by domain name). The median score in this group is 98.5. 10 of 18 have an llms.txt file.

Findings with evidence

FixNo llms.txt

GET /llms.txt returned 404.

Fix: Create /llms.txt: a # title, a > one-line summary, then ## sections that list key pages as [name](url). Draft one free at checkaiready.com/llms-txt-generator.

ImproveJSON-LD: 2 blocks, types Website, Organization

Organization is missing recommended url.

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

ImproveTitle, 68 characters

<title>Bubble: Build web & mobile apps with the only no-code AI app builder</title>

Fix: Shorten to about 50 to 60 characters so tools do not cut it off.

Improve0 H1 headings

No <h1> in the HTML we received.

Fix: Use one <h1> that states the main topic of the page.

Fix88 characters of text without JavaScript

Text starts: "Bubble: Build web &amp; mobile apps with the only no-code AI app builder Built on Bubble"

Fix: Many AI crawlers do not run JavaScript. Render the main content on the server or prerender it.

ImproveServer responded in 1089 ms

Time to response headers from our checker. Final URL: https://bubble.io/

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

ImproveHTML size 51 KB, 63 script tags

20 render-blocking scripts in <head>: /package/early_js/05ae9fe83d6b755291132aab9d325d70918aafd336da1bd91a41a31c8b25734b/early.js

Fix: Add defer or async to scripts in <head> that are not needed for first paint.

13 checks passed or noted

PassGPTBot (OpenAI, training): allowed on /

User-agent: *
Disallow: /home/*
Disallow: /page
Disallow: /plugin_editor
Disallow: /demo
Disallow: /site/*
(36 more lines)
Group "*" has no rule for /.

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

User-agent: *
Disallow: /home/*
Disallow: /page
Disallow: /plugin_editor
Disallow: /demo
Disallow: /site/*
(36 more lines)
Group "*" has no rule for /.

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

User-agent: *
Disallow: /home/*
Disallow: /page
Disallow: /plugin_editor
Disallow: /demo
Disallow: /site/*
(36 more lines)
Group "*" has no rule for /.

PassClaudeBot (Anthropic, training): allowed on /

User-agent: *
Disallow: /home/*
Disallow: /page
Disallow: /plugin_editor
Disallow: /demo
Disallow: /site/*
(36 more lines)
Group "*" has no rule for /.

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

User-agent: *
Disallow: /home/*
Disallow: /page
Disallow: /plugin_editor
Disallow: /demo
Disallow: /site/*
(36 more lines)
Group "*" has no rule for /.

PassPerplexityBot (Perplexity, search index): allowed on /

User-agent: *
Disallow: /home/*
Disallow: /page
Disallow: /plugin_editor
Disallow: /demo
Disallow: /site/*
(36 more lines)
Group "*" has no rule for /.

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

User-agent: *
Disallow: /home/*
Disallow: /page
Disallow: /plugin_editor
Disallow: /demo
Disallow: /site/*
(36 more lines)
Group "*" has no rule for /.

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

User-agent: *
Disallow: /home/*
Disallow: /page
Disallow: /plugin_editor
Disallow: /demo
Disallow: /site/*
(36 more lines)
Group "*" has no rule for /.

PassMeta description, 153 characters

content="Build with AI when you want speed, edit visually when you want precision — design, database, logic, and privacy rules. Go from idea to launched app fast."

PassOpen Graph tags present

og:title: Build & ship web & mobile apps with AI and no-code
og:description: Build with AI when you want speed, edit visually when you want precision — design, databa…
og:image: https://meta-q.cdn.bubble.io/cdn-cgi/image/w=,h=,f=auto,dpr=1,fit=contain/f1762463484754x…

PassCanonical link set

<link rel="canonical" href="https://bubble.io">

PassLanguage declared: en

<html lang="en">

PassSitemap found, 72 child sitemaps

robots.txt: Sitemap: https://bubble.io/sitemap.xml
GET https://bubble.io/sitemap.xml returned 200.

Is this your site? Run a fresh free check. Get the $19 deep report (up to 25 pages, 18 AI agents per path), or add an AI-ready badge after your check.

See how all 18 website builders 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

Get an email when AI crawlers, robots.txt rules, or llms.txt practice change. At most twice a month.

We send a confirmation link first. See the privacy policy.