b12.io
B12 | The easiest AI website builder
Last scanned Jul 26, 2026, 3:19 PM
Overall score
Great
Summary
Get a professional website built for you with online tools to sell your services and get paid. This website uses Google Analytics hosted on AWS behind Netlify CDN. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance fair (70/100).
B12
Get a professional website built for you with online tools to sell your services and get paid. Serve clients online using B12’s AI website builder.
- United States
- Hosted on AWS
Products & pricing
Product and pricing information published in this site's own structured data.
Plans for everything you want to build
$1 USD
Top issues to fix
4 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Slow estimated load (4.8s)
PerformanceUse a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
SEO
0 issue(s) found
Performance
4.77 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
B12
Get a professional website built for you with online tools to sell your services and get paid. Serve clients online using B12’s AI website builder.
Contact
Email, phone, and address published on this site's own pages.
- hello@b12.io
Meta tags
- Title
- B12 | The easiest AI website builder
- Description
- Build a professional website instantly with B12 AI website builder. Launch for free and gain powerful tools designed to grow your business online.
- Canonical
- https://www.b12.io/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no
- Robots meta
- Manifest
- https://www.b12.io/manifest.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT |
|
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Amazon
- Subject
- b12.io
- Valid from
- Jul 20, 2026
- Valid to
- Feb 2, 2027
- Days until expiry
- 191
- SAN domains
- b12.io, *.b12.io, *.b12.ai, www.b12sites.com, b12.ai, b12sites.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 4 · H3 20
Links
74 internal · 7 external · 0 broken
Images
39 total · 0 missing alt
Scripts / Styles
40 scripts · 0 stylesheets
JS / CSS size
946 KB · 214 KB
Page size
442 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
No SEO issues detected.
Accessibility issues
No accessibility issues detected.
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://b12.io
- Final URL
- https://www.b12.io/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 4.76 s
- HTML size
- 442 KB
- Redirect chain
- https://b12.io → http://www.b12.io/ → https://www.b12.io/
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Frequently asked questions
- What technology does b12.io use?
- b12.io is built with Gatsby, Google Analytics.
- Is b12.io secure (HTTPS)?
- Yes. b12.io uses TLS 1.3 with a certificate issued by Amazon, valid until Feb 2, 2027.
- Who hosts b12.io?
- b12.io is hosted on AWS, behind Netlify CDN.
- What is b12.io's SEO score?
- b12.io scored 100/100 for SEO in the latest analysis (excellent).
- What is b12.io's overall website score?
- b12.io has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
- What company operates b12.io?
- b12.io is operated by B12. Get a professional website built for you with online tools to sell your services and get paid. Serve clients online using B12’s AI website builder.
- What products does b12.io offer?
- b12.io offers Plans for everything you want to build.
- Is b12.io hiring?
- b12.io has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card