cogentco.com
Cogent Communications
Last scanned Jul 22, 2026, 8:14 PM · 1 view
Overall score
Great
Summary
Cogent is one of the world's largest Internet Service Providers, delivering high-quality Internet, Ethernet and Colocation services. This website uses PHP hosted on COGENT-174 - Cogent Communications, LLC, US. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (90/100). Top issue: Missing canonical link.
Cogent is one of the world's largest Internet Service Providers, delivering high-quality Internet, Ethernet and Colocation services.
- United States
- Hosted on COGENT-174 - Cogent Communications, LLC, US
Top issues to fix
8 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.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+2 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
714 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Cogent is one of the world's largest Internet Service Providers, delivering high-quality Internet, Ethernet and Colocation services.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Cogent Communications
- Description
- Cogent is one of the world's largest Internet Service Providers, delivering high-quality Internet, Ethernet and Colocation services.
- Canonical
- Language
- en-gb
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- COGENT-174 - Cogent Communications, LLC, US
- CDN provider
- —
- IP address
- 38.100.128.10
- ASN
- AS174 (COGENT-174 - Cogent Communications, LLC, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT | — |
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- cogentco.com
- Valid from
- Jun 10, 2026
- Valid to
- Sep 8, 2026
- Days until expiry
- 47
- SAN domains
- *.cnms.cogentco.com, *.cogentco.com, *.dev.cogentco.com, *.dns.cogentco.com, *.elk.cogentco.com, *.globalpeerconnect.com, *.globalpeerexchange.com, *.lb.cogentco.com, *.ms.cogentco.com, *.prod.cogentco.com, *.rmq.cogentco.com, *.stg.cogentco.com, *.sys.cogentco.com, cogentco.com, globalpeerconnect.com, globalpeerexchange.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 1 cookie(s) observed
Content & assets
Headings
H1 10 · H2 2 · H3 4
Links
132 internal · 7 external · 0 broken
Images
50 total · 0 missing alt
Scripts / Styles
22 scripts · 13 stylesheets
JS / CSS size
431 KB · 616 KB
Page size
119 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 14
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- 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://cogentco.com
- Final URL
- https://cogentco.com/en/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 712 ms
- HTML size
- 119 KB
- Redirect chain
- https://cogentco.com → https://cogentco.com/en/
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Frequently asked questions
- What technology does cogentco.com use?
- cogentco.com is built with PHP, Joomla, jQuery, Apache.
- Is cogentco.com secure (HTTPS)?
- Yes. cogentco.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 8, 2026.
- Who hosts cogentco.com?
- cogentco.com is hosted on COGENT-174 - Cogent Communications, LLC, US.
- What is cogentco.com's SEO score?
- cogentco.com scored 70/100 for SEO in the latest analysis (fair).
- What is cogentco.com's overall website score?
- cogentco.com has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
- Is cogentco.com hiring?
- cogentco.com has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card