b12.io
B12 | The easiest AI website builder
Last scanned Aug 3, 2026, 11:00 PM · 10 views
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 behind Netlify CDN. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance good (80/100). Top issue: sitemap.xml not found.
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.
Top issues to fix
4 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
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.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
1 issue(s) found
Performance
1.57 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+1 overall since Jul 26, 2026
- Overall
- 87
- SEO
- 95
- Security
- 75
- Performance
- 80
- Accessibility
- 100
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
- Hosting provider
- —
- CDN provider
- Netlify
- IP address
- 3.164.85.66
- ASN
- —
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
- 183
- 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
75 internal · 8 external · 0 broken
Images
40 total · 0 missing alt
Scripts / Styles
58 scripts · 0 stylesheets
JS / CSS size
874 KB · 216 KB
Page size
442 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://b12.io
- Final URL
- https://www.b12.io/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.56 s
- HTML size
- 442 KB
- Redirect chain
- https://b12.io → http://www.b12.io/ → https://www.b12.io/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does b12.io use?
- b12.io is built with Gatsby, Google Analytics, Google Ads, Meta Pixel.
- 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?
- Hosting provider information for b12.io is not available yet.
- What is b12.io's SEO score?
- b12.io scored 95/100 for SEO in the latest analysis (excellent).
- What is b12.io's overall website score?
- b12.io has an overall SiteGraph score of 87/100, 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.
- Has b12.io's score changed over time?
- b12.io's overall score has improved by 1 point (from 86 to 87) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card