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SGSiteGraph

spline.design

Spline - 3D Design tool in the browser with real-time collaboration

Last scanned Aug 2, 2026, 10:00 PM · 7 views

87

Overall score

Great

Summary

Spline is a free 3D design software with real-time collaboration to create web interactive experiences in the browser. This website uses Next.js behind Vercel CDN. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.

Spline is a free 3D design software with real-time collaboration to create web interactive experiences in the browser. Easy 3d modeling, animation, textures, and more.

Top issues to fix

8 issues found · 1 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 X-Content-Type-Options header

    Security

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

  • Title longer than 60 characters

    SEO

    Shorten the title to under 60 characters so search results don't truncate it.

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

  • 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.

+2 more issues — details in the sections below.

70

SEO

5 issue(s) found

100

Performance

12 ms

85

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-2 overall since Jul 26, 2026

Overall
87
SEO
70
Security
85
Performance
100
Accessibility
100

Organization

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

Spline is a free 3D design software with real-time collaboration to create web interactive experiences in the browser. Easy 3d modeling, animation, textures, and more.

X (Twitter)InstagramYouTube

Contact

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

Meta tags

Title
Spline - 3D Design tool in the browser with real-time collaboration
Description
Spline is a free 3D design software with real-time collaboration to create web interactive experiences in the browser. Easy 3d modeling, animation, textures, and more.
Canonical
https://spline.design/
Language
en
Charset
utf-8
Viewport
width=device-width
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Spline - 3D Design tool in the browser with real-time collaboration
og:description
Spline is a free 3D design software with real-time collaboration to create web interactive experiences in the browser. Easy 3d modeling, animation, textures, and more.
og:type
website
og:url
https://spline.design/

Twitter Card

twitter:card
summary_large_image
twitter:title
Spline - 3D Design tool in the browser with real-time collaboration
twitter:description
Spline is a free 3D design software with real-time collaboration to create web interactive experiences in the browser. Easy 3d modeling, animation, textures, and more.

Technologies

Detected frameworks, languages, and tools.

Next.js

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
*.spline.design
Valid from
Jun 15, 2026
Valid to
Sep 13, 2026
Days until expiry
41
SAN domains
*.spline.design, spline.design

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 11 · H3 44

Links

21 internal · 32 external · 20 broken

Images

39 total · 0 missing alt

Scripts / Styles

27 scripts · 5 stylesheets

JS / CSS size

2.2 KB · 0 B

Page size

175 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
  • Meta description longer than 160 characters
  • 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://spline.design
Final URL
https://spline.design
HTTP status
200
HTTP version
HTTP/2
Response time
9 ms
HTML size
175 KB
Redirect chain
https://spline.design

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does spline.design use?
spline.design is built with Next.js.
Is spline.design secure (HTTPS)?
Yes. spline.design uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 13, 2026.
Who hosts spline.design?
Hosting provider information for spline.design is not available yet.
What is spline.design's SEO score?
spline.design scored 70/100 for SEO in the latest analysis (fair).
What is spline.design's overall website score?
spline.design has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
Has spline.design's score changed over time?
spline.design's overall score has declined by 2 points (from 89 to 87) since Jul 26, 2026.