optimism.io
Optimism: The most used blockchain infrastructure.
Last scanned Jul 26, 2026, 5:17 AM · 3 views
Overall score
Excellent
Summary
Optimism is the blockchain platform behind the world's leading exchanges, fintechs, and financial institutions. This website uses Next.js hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100).
Optimism Foundation
Optimism is the blockchain platform behind the world's leading exchanges, fintechs, and financial institutions. We handle operations, security, and upgrades - so you can focus on your business, not your infrastructure.
- 190 Elgin Avenue, George Town, Grand Cayman, KY1-9008, ISO 3166-2:KY
- Hosted on Cloudflare
Top issues to fix
1 issue found
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
SEO
0 issue(s) found
Performance
337 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Optimism Foundation
Optimism is the blockchain platform behind the world's leading exchanges, fintechs, and financial institutions. We handle operations, security, and upgrades - so you can focus on your business, not your infrastructure.
Contact
Email, phone, and address published on this site's own pages.
- Address
- 190 Elgin Avenue, George Town, Grand Cayman, KY1-9008, ISO 3166-2:KY
Meta tags
- Title
- Optimism: The most used blockchain infrastructure.
- Description
- Optimism is the most used blockchain infrastructure. Launch scalable, customizable Layer 2s and apps with Ethereum-grade security - powered by the OP Stack.
- Canonical
- https://optimism.io
- 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
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.18.10.221
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
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
- optimism.io
- Valid from
- Jun 28, 2026
- Valid to
- Sep 26, 2026
- Days until expiry
- 62
- SAN domains
- *.dev.optimism.io, *.optimism.io, *.prod.optimism.io, *.tools.optimism.io, optimism.io
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 12 · H3 0
Links
19 internal · 14 external · 0 broken
Images
27 total · 0 missing alt
Scripts / Styles
63 scripts · 7 stylesheets
JS / CSS size
85.8 KB · 874 B
Page size
264 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 4
- sitemap.xml
- Found
- URLs in sitemap
- 198
SEO issues
No SEO issues detected.
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://optimism.io
- Final URL
- https://optimism.io
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 332 ms
- HTML size
- 264 KB
- Redirect chain
- https://optimism.io
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Frequently asked questions
- What technology does optimism.io use?
- optimism.io is built with Next.js, Google Analytics.
- Is optimism.io secure (HTTPS)?
- Yes. optimism.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 26, 2026.
- Who hosts optimism.io?
- optimism.io is hosted on Cloudflare, behind Cloudflare CDN.
- What is optimism.io's SEO score?
- optimism.io scored 100/100 for SEO in the latest analysis (excellent).
- What is optimism.io's overall website score?
- optimism.io has an overall SiteGraph score of 100/100, combining SEO, performance, security, and accessibility.
- What company operates optimism.io?
- optimism.io is operated by Optimism Foundation. Optimism is the blockchain platform behind the world's leading exchanges, fintechs, and financial institutions. We handle operations, security, and upgrades - so you can focus on your business, not your infrastructure.
OpenGraph & Twitter Card
OpenGraph
Twitter Card