polkadot.io
Polkadot
Last scanned Aug 3, 2026, 7:00 PM · 11 views
Overall score
Great
Summary
Products for people. This website uses Next.js hosted on Fastly behind Fastly CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing canonical link.
Products for people.
- United States
- Hosted on Fastly
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.
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.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
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
4 issue(s) found
Performance
13 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+5 overall since Jul 26, 2026
- Overall
- 84
- SEO
- 75
- Security
- 65
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Products for people.
Meta tags
- Title
- Polkadot
- Description
- Products for people.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
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
- polkadot.com
- Valid from
- Jun 15, 2026
- Valid to
- Sep 13, 2026
- Days until expiry
- 40
- SAN domains
- polkadot.com, www.polkadot.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 4 · H3 3
Links
5 internal · 7 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
17 scripts · 1 stylesheets
JS / CSS size
592 KB · 34.1 KB
Page size
12.2 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://polkadot.io
- Final URL
- https://polkadot.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 13 ms
- HTML size
- 12.2 KB
- Redirect chain
- https://polkadot.io → https://polkadot.network → https://polkadot.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does polkadot.io use?
- polkadot.io is built with Next.js.
- Is polkadot.io secure (HTTPS)?
- Yes. polkadot.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 13, 2026.
- Who hosts polkadot.io?
- polkadot.io is hosted on Fastly, behind Fastly CDN.
- What is polkadot.io's SEO score?
- polkadot.io scored 75/100 for SEO in the latest analysis (fair).
- What is polkadot.io's overall website score?
- polkadot.io has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
- Has polkadot.io's score changed over time?
- polkadot.io's overall score has improved by 5 points (from 79 to 84) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card