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spline.design SEO Analysis

spline.design scores 82/100 for SEO, 0/100 for performance, and 75/100 for AI crawler readability as of Mar 3, 2026.

https://spline.design
15 checks
25 issues
Mar 3, 2026
https://spline.design

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Desktop

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Mobile
Score Analysis
LIVE
65OF 100
Needs Work
82
SEO
0
Perf
75
AI
Page Title

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

Google Search Preview|How your page appears in search results
SERP Score
0/ 100
Needs Work
spline.design
https://spline.design
Spline - 3D Design tool in the browser with real-time collaboration
Title may be truncated in search results(541px / 580px max)
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.
Snippet Quality
Title Length67 chars
030–60 optimal90
Description Length167 chars
070–160 optimal240
Power Word
CTA
URL Readable
HTTPS
No Truncation
Recommendations4 found
warningTitle too long (67 chars)
Keep under 60 characters
infoTitle lacks CTR-boosting power words
Consider adding words like "free", "guide", "best" to improve click-through rate
infoMeta description too long (167 chars)
Keep under 160 characters
infoMeta description lacks a call-to-action
Add action verbs like "Learn", "Discover" to encourage clicks
Performance Report|Google PageSpeed Insights
0/ 100
Good
Issues Found2 found
warning2 render-blocking scripts in <head>
How to fixAdd async or defer to scripts
infoPageSpeed API call failed - using baseline data
How to fixCheck API key or retry later
Heading Structure|Content hierarchy and heading tags
92 / 100
H1
1
ideal: 1
H2
11
ideal: 2+
H3
44
ideal: optional
H4
0
ideal: optional
Heading Hierarchy56 total
H1The all-in-one platform for 3D and design
H2A complete platform for real-time interactive design
H2Where ideas become production-ready experiences
H2"We wanted to appeal to an enterprise audience. That's where Spline comes in. It helps our brand feel more cutting-edge than our competition."
H2Collaborative 3D Design, ready for production
H2"With Spline, we can create interactive 3D objects that make our product feel tangible. It's more than decoration. It's how we show we care about the details."
H2Hana – a canvas for interactive design
H2Create and collaborate in real-time
H2Ship real-time experiences to the Web, iOS and Android
H2Loved by innovative teams around the world
H2Getting started with Spline
H2Design. Collaborate. Ship.
H3Interactive Websites
H3Product Design
H3Brand & Marketing
H3Gamified Experiences
H33D Mockups
H33D Logos
H3Animated Characters
H3Interactive Websites
H3Product Design
H3Brand & Marketing
H3Gamified Experiences
H33D Mockups
H33D Logos
+31 more headings
Duplicate Headings
Interactive Websites
Product Design
Brand & Marketing
Gamified Experiences
3D Mockups
3D Logos
Animated Characters
Animated Characters
Brand & Marketing
Gamified Experiences
Industrial & Manufacturing
Animated Characters
Industrial & Manufacturing
3D Icons
Brand & Marketing
Gamified Experiences
Industrial & Manufacturing
Interactivity & Motion
Recommendations2
info18 duplicate heading(s) found
Use unique headings for each section
infoToo many headings (56)
Reduce heading count for better structure
Structured Data|Schema markup, Open Graph and Twitter Cards
70 / 100
JSON-LD Schema
Not found
Open Graph
5 tags
Twitter Cards
4 tags
Microdata
Not found
Open Graph Tags
og:titleSpline - 3D Design tool in the browser with real-time collaboration
og:descriptionSpline 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:imagehttps://spline.design/_next/static/media/spline_image_banner.77c2eb63.png
og:urlhttps://spline.design/
og:typewebsite
missing: og:site_namemissing: og:locale
Recommendations1
criticalNo JSON-LD structured data found
Add JSON-LD schema markup (e.g., WebPage, Organization, Article)
Image Optimization|Alt text, lazy loading and dimensions
85 / 100
Total Images
39
Missing Alt Text
0
100% have alt text
Missing Dimensions
30
Lazy Loaded
100%
39 of 39 images
Recommendations1
info30 images without explicit dimensions
Add width/height to prevent layout shifts (CLS)
Indexability|Robots, canonical and sitemap
90 / 100
Canonical URL
Set
https://spline.design/
Noindex
Allowed
Robots.txt
Missing
Sitemap
Found
https://spline.design/sitemap.xml
Crawl Directives
Meta RobotsNot set
X-Robots-TagNot set
GooglebotNot set
NofollowNo — links followed
Canonicalhttps://spline.design/
Page URLhttps://spline.design
Recommendations1
warningNo robots.txt found
Create a robots.txt file at your domain root
Content Structure|Content quality and semantic HTML
90 / 100
Word Count
691
Paragraphs
54
All good length
Lists
2
Words per Heading
12
Ideal: 100-300
Title vs H1 Alignment2780% similar
TITLE TAG
Spline - 3D Design tool in the browser with real-time collaboration
H1 TAG
The all-in-one platform for 3D and design
Semantic HTML Elements15 sections
<main>
<article>
<nav>
<header>
<footer>
Recommendations1
warningTitle and H1 have low similarity (28%)
Align your <title> and <h1> to reinforce the main topic
AI Readability|How easily AI models can process your content
60 / 100
4Flesch
Reading Level
Very Difficult
Hard for AI
Total Words
691
Sentences
54
Avg Sentence Length
13 words
Vocabulary Richness
51%
354 unique words
Opening Paragraph15 words
Spline is a design platform to create and collaborate on interactive production-ready experiences in real-time.
Recommendations2
criticalVery hard to read (Flesch: 4)
Simplify language. Use shorter sentences and common words. AI models perform better with clear text.
infoFirst paragraph is too short for AI summarization
Make the first paragraph a comprehensive summary (30-50 words)
AI Citation Potential|How likely AI will quote your content
85 / 100
Named Entities
85
1230% density
FAQ Patterns
0
No FAQ Schema
Citations
0
Lists & Tables
3 items, 0 tables
Top Named Entities
Spline10WebsitesDesignGaborProduct2DesignheyvladBrand2Marketingsanny2ExperiencesrluzmotionD2MockupstanyadizoneD2LogossamborekAnimated2CharactersheyvladIndustrial2ManufacturingliontiD2IconsadriandanilukBrand2MarketingvladkolokolnikovGamified2ExperiencesvladkolokolnikovIndustrial2Brand2DesignerRead2Resources1Community1CustomersEnterprisePricingLog1StartedThe1Drag1CharactersaximorisInteractive1
Recommendations2
warningNo FAQ-style content detected
Add question-and-answer sections with heading questions (H2/H3 with "?")
infoNo source attribution detected
Add citations or "according to" attributions to increase credibility
Content Freshness|Date signals and cache headers
85 / 100
Date Signals
Found
Search engines can determine content freshness
Cache Control
Set
public, max-age=0, must-revalidate
ETag
Set
Date Signals
Last-Modified HeaderMarch 3, 2026
Published DateNot found
Modified DateNot found
Recommendations1
warningNo datePublished or dateModified in structured data
Add datePublished and dateModified to your JSON-LD schema.
Security Headers|HTTP security headers analysis
52 / 100
Content-Security-Policy
Prevents XSS and injection attacks
MISSING
Strict-Transport-Security
Forces HTTPS connections
max-age=63072000
SET
X-Frame-Options
Prevents clickjacking attacks
SAMEORIGIN
SET
X-Content-Type-Options
Prevents MIME-type sniffing
MISSING
Referrer-Policy
Controls referrer information
MISSING
Permissions-Policy
Controls browser features
MISSING
Recommendations5
criticalMissing Content-Security-Policy header
Add Content-Security-Policy header to prevent XSS and data injection attacks
infoHSTS should include subdomains
Add includeSubDomains to HSTS header
warningMissing X-Content-Type-Options header
Add X-Content-Type-Options: nosniff to prevent MIME-type sniffing
infoMissing Referrer-Policy header
Add Referrer-Policy header (e.g., strict-origin-when-cross-origin)
Trust Signals|Essential trust-building pages
85 / 100
Contact Page
MISSING
A contact page builds trust with visitors and search engines
About Page
MISSING
An about page establishes credibility and expertise
Privacy Policy
FOUND
Required for compliance and builds user trust
/privacy
Terms of Service
FOUND
Protects both the site owner and users
/terms
Recommendations2
infoMissing trust pages: contact, about
Consider adding links to: contact, about
infoNo author attribution found
Add author information via schema markup or rel="author" for E-E-A-T signals
Tech Stack|5 technologies detected
75 / 100
Analytics1
🏷️
Google Tag Manager
Script signature
javascript
CDN1
🌩️
CloudFront
Script signature
javascript
Frameworks2
▲
Next.js
Script signature
javascript
🛠️
Prototype
Script signature
javascript
Hosting1
▲
Vercel
Server: Vercel
header