postcodelist.com
World Postcode Database
Last scanned Aug 24, 2026, 1:22 PM
Overall score
Fair
Summary
This is a Database website about World Postcode,you can find the Postcode ，Postal Code ， Zip code with country and Location. This website uses Cloudflare Analytics behind Cloudflare CDN. SEO is good (75/100) and accessibility is fair (60/100). Security scores fair (65/100) and performance good (85/100). Top issue: No structured data (JSON-LD) found.
This is a Database website about World Postcode,you can find the Postcode ，Postal Code ， Zip code with country and Location
Top issues to fix
11 issues found · 3 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.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+5 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
886 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Organization
Company details published in this site's own structured data.
This is a Database website about World Postcode,you can find the Postcode ，Postal Code ， Zip code with country and Location
Meta tags
- Title
- World Postcode Database
- Description
- This is a Database website about World Postcode,you can find the Postcode ，Postal Code ， Zip code with country and Location
- Canonical
- https://www.postcodelist.com/
- Language
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- IP address
- 104.21.89.87
- ASN
- —
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
- postcodelist.com
- Valid from
- Aug 17, 2026
- Valid to
- Nov 15, 2026
- Days until expiry
- 82
- SAN domains
- postcodelist.com, *.postcodelist.com
Security headers
- Strict-Transport-SecurityMissing
- 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 0 · H3 0
Links
29 internal · 51 external · 1 broken
Images
52 total · 52 missing alt
Scripts / Styles
10 scripts · 3 stylesheets
JS / CSS size
1.1 MB · 0 B
Page size
17.0 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
- Missing <html lang> attribute
Scan details
- Requested URL
- https://postcodelist.com
- Final URL
- https://www.postcodelist.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 886 ms
- HTML size
- 17.0 KB
- Redirect chain
- https://postcodelist.com → https://www.postcodelist.com/
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official.link
Create an official link. @ official.link
Frequently asked questions
- What technology does postcodelist.com use?
- postcodelist.com is built with Bootstrap, jQuery, Cloudflare Analytics, Google Ads.
- Is postcodelist.com secure (HTTPS)?
- Yes. postcodelist.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Nov 15, 2026.
- Who hosts postcodelist.com?
- Hosting provider information for postcodelist.com is not available yet.
- What is postcodelist.com's SEO score?
- postcodelist.com scored 75/100 for SEO in the latest analysis (fair).
- What is postcodelist.com's overall website score?
- postcodelist.com has an overall SiteGraph score of 72/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card