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rsk.co

Bitcoin Smart Contracts - Build on Bitcoin | Roostock (RSK)

Last scanned Jul 26, 2026, 5:18 AM

83

Overall score

Great

Summary

Deploy EVM compatible smart contracts on Rootstock and with the security of the Bitcoin network. This website uses Gatsby behind Vercel CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance fair (60/100). Top issue: Missing canonical link.

Deploy EVM compatible smart contracts on Rootstock and with the security of the Bitcoin network. Scalable, interoperable & fast. Start Building on Bitcoin.

Top issues to fix

6 issues found · 1 high priority

  • Slow estimated load (10.4s)

    Performance

    Use a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

  • 5 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

75

SEO

4 issue(s) found

60

Performance

10.44 s

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Deploy EVM compatible smart contracts on Rootstock and with the security of the Bitcoin network. Scalable, interoperable & fast. Start Building on Bitcoin.

X (Twitter)GitHub

Meta tags

Title
Bitcoin Smart Contracts - Build on Bitcoin | Roostock (RSK)
Description
Deploy EVM compatible smart contracts on Rootstock and with the security of the Bitcoin network. Scalable, interoperable & fast. Start Building on Bitcoin.
Canonical
Language
en-GB
Charset
utf-8
Viewport
width=device-width, initial-scale=1, shrink-to-fit=no
Robots meta
Manifest
https://rootstock.io/manifest.webmanifest

OpenGraph & Twitter Card

OpenGraph

og:title
Bitcoin Smart Contracts - Build on Bitcoin | Roostock (RSK)
og:description
Deploy EVM compatible smart contracts on Rootstock and with the security of the Bitcoin network. Scalable, interoperable & fast. Start Building on Bitcoin.
og:type
—
og:url
—

Twitter Card

twitter:card
summary_large_image
twitter:title
Bitcoin Smart Contracts - Build on Bitcoin | Roostock (RSK)
twitter:description
Deploy EVM compatible smart contracts on Rootstock and with the security of the Bitcoin network. Scalable, interoperable & fast. Start Building on Bitcoin.

Technologies

Detected frameworks, languages, and tools.

Gatsby

Hosting & CDN

Hosting provider
—
CDN provider
Vercel
IP address
—
ASN
—

DNS records

TypeValue
A—
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
rootstock.io
Valid from
Jul 25, 2026
Valid to
Oct 23, 2026
Days until expiry
89
SAN domains
rootstock.io

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyEnabled
  • Permissions-PolicyEnabled

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 4 · H3 3

Links

25 internal · 12 external · 5 broken

Images

42 total · 0 missing alt

Scripts / Styles

8 scripts · 0 stylesheets

JS / CSS size

6.3 KB · 498 KB

Page size

667 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://rsk.co
Final URL
https://rootstock.io/
HTTP status
200
HTTP version
HTTP/2
Response time
10.42 s
HTML size
667 KB
Redirect chain
https://rsk.co → https://www.rsk.co/ → https://rootstock.io/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does rsk.co use?
rsk.co is built with Gatsby.
Is rsk.co secure (HTTPS)?
Yes. rsk.co uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 23, 2026.
Who hosts rsk.co?
Hosting provider information for rsk.co is not available yet.
What is rsk.co's SEO score?
rsk.co scored 75/100 for SEO in the latest analysis (fair).
What is rsk.co's overall website score?
rsk.co has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.