iog.io
Home - Input | Output
Last scanned Aug 3, 2026, 10:00 AM · 7 views
Overall score
Great
Summary
Input Output Group is the world's leading blockchain research and engineering company. This website uses Next.js behind Vercel CDN. SEO is good (75/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (90/100). Top issue: Missing canonical link.
Input Output Group is the world's leading blockchain research and engineering company
Top issues to fix
8 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
357 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
+1 overall since Jul 26, 2026
- Overall
- 82
- SEO
- 75
- Security
- 75
- Performance
- 90
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
Input Output Group is the world's leading blockchain research and engineering company
Meta tags
- Title
- Home - Input | Output
- Description
- Input Output Group is the world's leading blockchain research and engineering company
- Canonical
- 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
- —
- CDN provider
- Vercel
- 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.iog.io
- Valid from
- Jun 7, 2026
- Valid to
- Sep 5, 2026
- Days until expiry
- 32
- SAN domains
- www.iog.io
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 10 · H3 24
Links
43 internal · 12 external · 20 broken
Images
41 total · 0 missing alt
Scripts / Styles
52 scripts · 3 stylesheets
JS / CSS size
220 KB · 0 B
Page size
352 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 H1 heading found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://iog.io
- Final URL
- https://www.iog.io/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 350 ms
- HTML size
- 352 KB
- Redirect chain
- https://iog.io → https://www.iog.io/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does iog.io use?
- iog.io is built with Next.js, Google Analytics.
- Is iog.io secure (HTTPS)?
- Yes. iog.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 5, 2026.
- Who hosts iog.io?
- Hosting provider information for iog.io is not available yet.
- What is iog.io's SEO score?
- iog.io scored 75/100 for SEO in the latest analysis (fair).
- What is iog.io's overall website score?
- iog.io has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
- Has iog.io's score changed over time?
- iog.io's overall score has improved by 1 point (from 81 to 82) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card