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SGSiteGraph

rolldown.rs

Rolldown

Last scanned Aug 24, 2026, 1:23 PM

85

Overall score

Great

Summary

Fast Rust-based bundler for JavaScript with Rollup-compatible API. This website uses Vue.js hosted on Cloudflare behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing canonical link.

Fast Rust-based bundler for JavaScript with Rollup-compatible API

United States
Hosted on Cloudflare

Top issues to fix

8 issues found · 2 high priority

  • Missing Strict-Transport-Security header

    Security

    Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • 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.

+2 more issues — details in the sections below.

80

SEO

3 issue(s) found

100

Performance

22 ms

65

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.

Fast Rust-based bundler for JavaScript with Rollup-compatible API

X (Twitter)YouTubeX (Twitter)

Meta tags

Title
Rolldown
Description
Fast Rust-based bundler for JavaScript with Rollup-compatible API
Canonical
Language
en-US
Charset
utf-8
Viewport
width=device-width,initial-scale=1
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Rolldown | Rust bundler for JavaScript
og:description
—
og:type
website
og:url
https://rolldown.rs/

Twitter Card

twitter:card
summary_large_image
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Vue.js

Hosting & CDN

Hosting provider
Cloudflare
CDN provider
Cloudflare
IP address
104.18.5.9
ASN
AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)

DNS records

TypeValue
A
  • 104.18.5.9
  • 104.18.4.9
AAAA
  • 2606:4700::6812:409
  • 2606:4700::6812:509
MX—
TXT
  • google-site-verification=WTR77xxzDr2wsxLCTEHC8steXGH58sw0JXiVPONGhd8
NS
  • nico.ns.cloudflare.com
  • aliza.ns.cloudflare.com
CAA—
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Google Trust Services
Subject
rolldown.rs
Valid from
Aug 3, 2026
Valid to
Nov 1, 2026
Days until expiry
68
SAN domains
rolldown.rs

Security headers

  • Strict-Transport-SecurityMissing
  • 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 2 · H3 1

Links

9 internal · 10 external · 1 broken

Images

11 total · 0 missing alt

Scripts / Styles

4 scripts · 2 stylesheets

JS / CSS size

58.9 KB · 207 KB

Page size

29.1 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Found
URLs in sitemap
275

SEO issues

  • Missing canonical link
  • No structured data (JSON-LD) found
  • robots.txt not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://rolldown.rs
Final URL
https://rolldown.rs
HTTP status
200
HTTP version
HTTP/2
Response time
22 ms
HTML size
29.1 KB
Redirect chain
https://rolldown.rs

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does rolldown.rs use?
rolldown.rs is built with Vue.js.
Is rolldown.rs secure (HTTPS)?
Yes. rolldown.rs uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Nov 1, 2026.
Who hosts rolldown.rs?
rolldown.rs is hosted on Cloudflare, behind Cloudflare CDN.
What is rolldown.rs's SEO score?
rolldown.rs scored 80/100 for SEO in the latest analysis (great).
What is rolldown.rs's overall website score?
rolldown.rs has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.