deltarune.com
DELTARUNE for Nintendo Switch, PC / Mac, and PlayStation
Last scanned Jul 27, 2026, 9:43 AM · 1 view
Overall score
Great
Summary
UNDERTALE's parallel story, DELTARUNE. This website uses Cloudflare Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores fair (70/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
UNDERTALE's parallel story, DELTARUNE. Meet new and old characters in a tale that steps closer to its end, chapter by chapter. Dodge bullets in nonviolent RPG battles as you listen to funky, funky music.
- United States
- Hosted on Cloudflare
Top issues to fix
7 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
+1 more issue — details in the sections below.
SEO
3 issue(s) found
Performance
138 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
UNDERTALE's parallel story, DELTARUNE. Meet new and old characters in a tale that steps closer to its end, chapter by chapter. Dodge bullets in nonviolent RPG battles as you listen to funky, funky music.
Contact
Email, phone, and address published on this site's own pages.
Source: https://deltarune.com/help
Meta tags
- Title
- DELTARUNE for Nintendo Switch, PC / Mac, and PlayStation
- Description
- UNDERTALE's parallel story, DELTARUNE. Meet new and old characters in a tale that steps closer to its end, chapter by chapter. Dodge bullets in nonviolent RPG battles as you listen to funky, funky music.
- Canonical
- https://deltarune.com
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0, viewport-fit=cover
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.21.51.42
- 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
- Google Trust Services
- Subject
- deltarune.com
- Valid from
- Jul 18, 2026
- Valid to
- Oct 16, 2026
- Days until expiry
- 81
- SAN domains
- deltarune.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 4 · H3 1
Links
14 internal · 13 external · 2 broken
Images
71 total · 0 missing alt
Scripts / Styles
3 scripts · 2 stylesheets
JS / CSS size
32.0 KB · 0 B
Page size
29.5 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://deltarune.com
- Final URL
- https://deltarune.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 138 ms
- HTML size
- 29.5 KB
- Redirect chain
- https://deltarune.com
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Frequently asked questions
- What technology does deltarune.com use?
- deltarune.com is built with Cloudflare Analytics.
- Is deltarune.com secure (HTTPS)?
- Yes. deltarune.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 16, 2026.
- Who hosts deltarune.com?
- deltarune.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is deltarune.com's SEO score?
- deltarune.com scored 80/100 for SEO in the latest analysis (great).
- What is deltarune.com's overall website score?
- deltarune.com has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card