builder.io
Builder.io: Collaborative Platform to Build With AI Agents
Last scanned Jul 25, 2026, 4:25 PM · 3 views
Overall score
Excellent
Summary
One codebase for engineers, designers, PMs, and marketers. This website uses Express hosted on AWS behind CloudFront CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.
One codebase for engineers, designers, PMs, and marketers. Everyone works from one source of truth, on brand and in code, with no handoffs to clean up.
- United States
- Hosted on AWS
Products & pricing
Product and pricing information published in this site's own structured data.
Select a plan for your team
$25 USD
Top issues to fix
4 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
SEO
1 issue(s) found
Performance
153 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
One codebase for engineers, designers, PMs, and marketers. Everyone works from one source of truth, on brand and in code, with no handoffs to clean up.
Contact
Email, phone, and address published on this site's own pages.
- support@builder.io
Source: https://www.builder.io/demo
Meta tags
- Title
- Builder.io: Collaborative Platform to Build With AI Agents
- Description
- One codebase for engineers, designers, PMs, and marketers. Everyone works from one source of truth, on brand and in code, with no handoffs to clean up.
- Canonical
- https://www.builder.io/
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
- https://www.builder.io/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AWS
- CDN provider
- CloudFront
- IP address
- 13.225.5.113
- ASN
- AS16509 (AMAZON-02 - Amazon.com, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS |
|
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Amazon
- Subject
- *.builder.io
- Valid from
- Jun 29, 2026
- Valid to
- Jan 12, 2027
- Days until expiry
- 171
- SAN domains
- *.builder.io
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 9 · H3 18
Links
49 internal · 7 external · 0 broken
Images
59 total · 0 missing alt
Scripts / Styles
12 scripts · 2 stylesheets
JS / CSS size
15.6 KB · 231 KB
Page size
259 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 8
- sitemap.xml
- Found
- URLs in sitemap
- 1271
SEO issues
- No structured data (JSON-LD) found
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://builder.io
- Final URL
- https://www.builder.io/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 148 ms
- HTML size
- 259 KB
- Redirect chain
- https://builder.io → https://www.builder.io/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does builder.io use?
- builder.io is built with Express, Node.js.
- Is builder.io secure (HTTPS)?
- Yes. builder.io uses TLS 1.3 with a certificate issued by Amazon, valid until Jan 12, 2027.
- Who hosts builder.io?
- builder.io is hosted on AWS, behind CloudFront CDN.
- What is builder.io's SEO score?
- builder.io scored 90/100 for SEO in the latest analysis (excellent).
- What is builder.io's overall website score?
- builder.io has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
- What products does builder.io offer?
- builder.io offers Select a plan for your team.
- Is builder.io hiring?
- builder.io has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card