cobalt.io
Cobalt: Continuous Offensive Security Testing
Last scanned Aug 24, 2026, 1:23 PM
Overall score
Excellent
Summary
Offensive security services from human-led to autonomous pentesting. This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: sitemap.xml not found.
Offensive security services from human-led to autonomous pentesting. Identify exposures, get ahead of threats, and maintain compliance—fast and precise.
- One Boston Place, Suite 2600, Boston, MA, 02108, US
- Hosted on Cloudflare
Top issues to fix
1 issue found
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
28 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Offensive security services from human-led to autonomous pentesting. Identify exposures, get ahead of threats, and maintain compliance—fast and precise.
Contact
Email, phone, and address published on this site's own pages.
- Address
- One Boston Place, Suite 2600, Boston, MA, 02108, US
Source: https://www.cobalt.io/contact-us
Meta tags
- Title
- Cobalt: Continuous Offensive Security Testing
- Description
- Offensive security services from human-led to autonomous pentesting. Identify exposures, get ahead of threats, and maintain compliance—fast and precise.
- Canonical
- https://www.cobalt.io
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 199.60.103.228
- ASN
- AS209242 (CLOUDFLARESPECTRUM - Cloudflare London, LLC, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT |
|
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- www.cobalt.io
- Valid from
- Jun 29, 2026
- Valid to
- Sep 28, 2026
- Days until expiry
- 33
- SAN domains
- www.cobalt.io
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 7 · H3 10
Links
69 internal · 11 external · 0 broken
Images
38 total · 5 missing alt
Scripts / Styles
56 scripts · 15 stylesheets
JS / CSS size
66.6 KB · 748 KB
Page size
171 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 111
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- sitemap.xml not 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://cobalt.io
- Final URL
- https://www.cobalt.io/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 25 ms
- HTML size
- 171 KB
- Redirect chain
- https://cobalt.io → https://www.cobalt.io/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does cobalt.io use?
- cobalt.io is built with jQuery, Google Analytics.
- Is cobalt.io secure (HTTPS)?
- Yes. cobalt.io uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 28, 2026.
- Who hosts cobalt.io?
- cobalt.io is hosted on Cloudflare, behind Cloudflare CDN.
- What is cobalt.io's SEO score?
- cobalt.io scored 95/100 for SEO in the latest analysis (excellent).
- What is cobalt.io's overall website score?
- cobalt.io has an overall SiteGraph score of 96/100, combining SEO, performance, security, and accessibility.
- Is cobalt.io hiring?
- cobalt.io has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card