nbl.com
502 Bad Gateway
Last scanned Jul 29, 2026, 10:00 PM · 8 views
Overall score
Fair
Summary
This website uses Nginx. SEO is fair (60/100) and accessibility is good (85/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing meta description.
Top issues to fix
12 issues found · 3 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
TLS certificate expires in 22 days
SecurityRenew soon or enable auto-renewal to avoid a browser-warning outage.
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.
+6 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
121 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Score history
0 overall since Jul 22, 2026
- Overall
- 79
- SEO
- 60
- Security
- 75
- Performance
- 100
- Accessibility
- 85
Meta tags
- Title
- 502 Bad Gateway
- Description
- Canonical
- Language
- Charset
- Viewport
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- www.ahdl.com
- Valid from
- May 23, 2026
- Valid to
- Aug 21, 2026
- Days until expiry
- 22
- SAN domains
- ahdl.com, annabel.com, astronomerroyal.com, lipchannel.com, nbl.com, pbcl.com, www.ahdl.com, www.annabel.com, www.lipchannel.com, www.nbl.com, www.operaorg.com, www.pbcl.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 0 · H3 0
Links
0 internal · 0 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
0 scripts · 0 stylesheets
JS / CSS size
0 B · 0 B
Page size
166 B
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Missing <html lang> attribute
- Missing viewport meta tag
Scan details
- Requested URL
- https://nbl.com
- Final URL
- https://nbl.com
- HTTP status
- 502
- HTTP version
- HTTP/2
- Response time
- 121 ms
- HTML size
- 166 B
- Redirect chain
- https://nbl.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does nbl.com use?
- nbl.com is built with Nginx.
- Is nbl.com secure (HTTPS)?
- Yes. nbl.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 21, 2026.
- Who hosts nbl.com?
- Hosting provider information for nbl.com is not available yet.
- What is nbl.com's SEO score?
- nbl.com scored 60/100 for SEO in the latest analysis (fair).
- What is nbl.com's overall website score?
- nbl.com has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.
- Has nbl.com's score changed over time?
- nbl.com's overall score has stayed steady at 79/100 since Jul 22, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card