zksync.io
ZKsync.io
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
ZKsync helps banks and companies future-proof finance and expand into global digital assets with privacy and compliance. This website uses Next.js hosted on AWS behind Vercel CDN. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance good (75/100).
ZKsync: The Elastic Network
ZKsync helps banks and companies future-proof finance and expand into global digital assets with privacy and compliance.
- United States
- Hosted on AWS
Top issues to fix
3 issues found · 1 high priority
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.
SEO
0 issue(s) found
Performance
48 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
ZKsync: The Elastic Network
ZKsync helps banks and companies future-proof finance and expand into global digital assets with privacy and compliance.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- ZKsync.io
- Description
- ZKsync helps banks and companies future-proof finance and expand into global digital assets with privacy and compliance.
- Canonical
- https://www.zksync.io
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow
- Manifest
- https://www.zksync.io/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
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.zksync.io
- Valid from
- Jul 4, 2026
- Valid to
- Oct 2, 2026
- Days until expiry
- 65
- SAN domains
- www.zksync.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 1 · H2 8 · H3 32
Links
43 internal · 16 external · 0 broken
Images
129 total · 0 missing alt
Scripts / Styles
107 scripts · 0 stylesheets
JS / CSS size
1.2 MB · 185 KB
Page size
659 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 112
SEO issues
No SEO issues detected.
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://zksync.io
- Final URL
- https://www.zksync.io/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 35 ms
- HTML size
- 659 KB
- Redirect chain
- https://zksync.io → https://www.zksync.io/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does zksync.io use?
- zksync.io is built with Next.js, Google Analytics.
- Is zksync.io secure (HTTPS)?
- Yes. zksync.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 2, 2026.
- Who hosts zksync.io?
- zksync.io is hosted on AWS, behind Vercel CDN.
- What is zksync.io's SEO score?
- zksync.io scored 100/100 for SEO in the latest analysis (excellent).
- What is zksync.io's overall website score?
- zksync.io has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
- What company operates zksync.io?
- zksync.io is operated by ZKsync: The Elastic Network. ZKsync helps banks and companies future-proof finance and expand into global digital assets with privacy and compliance.
OpenGraph & Twitter Card
OpenGraph
Twitter Card