What technology does rvm.io use?

rvm.io is built with jQuery, Google Analytics, Nginx.

Is rvm.io secure (HTTPS)?

Yes. rvm.io uses TLS 1.2 with a certificate issued by GlobalSign nv-sa, valid until Dec 12, 2026.

Hosting provider information for rvm.io is not available yet.

What is rvm.io's SEO score?

rvm.io scored 50/100 for SEO in the latest analysis (fair).

What is rvm.io's overall website score?

rvm.io has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.

rvm.io

RVM: Ruby Version Manager - RVM Ruby Version Manager - Documentation

Last scanned Aug 24, 2026, 1:22 PM

Overall score

Great

Summary

This website uses Nginx behind Fastly CDN. SEO is fair (50/100) and accessibility is good (85/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.

Top issues to fix

12 issues found · 3 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing viewport meta tag
Accessibility
Add <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
Title longer than 60 characters
SEO
Shorten the title to under 60 characters so search results don't truncate it.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.

+6 more issues — details in the sections below.

SEO

8 issue(s) found

100

Performance

503 ms

Security

HTTPS & header checks

Accessibility

2 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.

GitHub YouTube GitHub GitHub GitHub

Contact

Email, phone, and address published on this site's own pages.

Email: mpapis@gmail.com

Meta tags

Title: RVM: Ruby Version Manager - RVM Ruby Version Manager - Documentation
Description
Canonical
Language
Charset: UTF-8
Viewport
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

jQuery Google Analytics Nginx

Hosting & CDN

Hosting provider: —
CDN provider: Fastly
IP address: 151.101.66.49
ASN: —

DNS records

Type	Value
A	151.101.66.49 151.101.194.49 151.101.2.49 151.101.130.49
AAAA	2a04:4e42:400::561 2a04:4e42::561 2a04:4e42:200::561 2a04:4e42:600::561
MX	inboxes.io
TXT	_globalsign-domain-verification=PO95qR5HARP3zbvcQ1WFBVyLGBUvgjmgc16ENjCtmy
NS	ns3.dnsimple-edge.io ns2.dnsimple-edge.net ns4.dnsimple-edge.org ns1.dnsimple-edge.com
CAA	—
CNAME	—
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.2
Issuer: GlobalSign nv-sa
Subject: rvm.io
Valid from: Nov 10, 2025
Valid to: Dec 12, 2026
Days until expiry: 109
SAN domains: rvm.io

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 2 · H2 6 · H3 0

Links

129 internal · 20 external · 1 broken

Images

5 total · 0 missing alt

Scripts / Styles

13 scripts · 3 stylesheets

JS / CSS size

418 KB · 15.6 KB

Page size

20.2 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Title longer than 60 characters
Missing meta description
Missing canonical link
Multiple H1 headings found
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://rvm.io
Final URL: https://rvm.io
HTTP status: 200
HTTP version: HTTP/2
Response time: 503 ms
HTML size: 20.2 KB
Redirect chain: https://rvm.io

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