desmos.com
Desmos | Beautiful free math.
Last scanned Jul 24, 2026, 8:25 PM · 1 view
Overall score
Fair
Summary
Desmos Studio offers free graphing, scientific, 3d, and geometry calculators used globally. This website uses Nginx hosted on AWS behind CloudFront CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance fair (60/100). Top issue: Meta description longer than 160 characters.
Desmos Studio offers free graphing, scientific, 3d, and geometry calculators used globally. Access our tools, partner with us, or explore examples for inspiration.
- United States
- Hosted on AWS
Top issues to fix
9 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-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
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.
+3 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
574 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Desmos Studio offers free graphing, scientific, 3d, and geometry calculators used globally. Access our tools, partner with us, or explore examples for inspiration.
Contact
Email, phone, and address published on this site's own pages.
- feedback@desmos.com
Meta tags
- Title
- Desmos | Beautiful free math.
- Description
- Desmos Studio offers free graphing, scientific, 3d, and geometry calculators used globally. Access our tools, partner with us, or explore examples for inspiration.
- Canonical
- https://www.desmos.com/
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AWS
- CDN provider
- CloudFront
- IP address
- 108.159.80.19
- ASN
- AS16509 (AMAZON-02 - Amazon.com, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT |
|
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Amazon
- Subject
- *.desmos.com
- Valid from
- Oct 17, 2025
- Valid to
- Nov 15, 2026
- Days until expiry
- 114
- SAN domains
- *.desmos.com
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 13 · H3 0
Links
35 internal · 15 external · 1 broken
Images
13 total · 0 missing alt
Scripts / Styles
7 scripts · 1 stylesheets
JS / CSS size
5.3 MB · 619 KB
Page size
9.9 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 2
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://desmos.com
- Final URL
- https://www.desmos.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 574 ms
- HTML size
- 9.9 KB
- Redirect chain
- https://desmos.com → https://www.desmos.com/
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Frequently asked questions
- What technology does desmos.com use?
- desmos.com is built with Nginx.
- Is desmos.com secure (HTTPS)?
- Yes. desmos.com uses TLS 1.3 with a certificate issued by Amazon, valid until Nov 15, 2026.
- Who hosts desmos.com?
- desmos.com is hosted on AWS, behind CloudFront CDN.
- What is desmos.com's SEO score?
- desmos.com scored 75/100 for SEO in the latest analysis (fair).
- What is desmos.com's overall website score?
- desmos.com has an overall SiteGraph score of 74/100, combining SEO, performance, security, and accessibility.
- Is desmos.com hiring?
- desmos.com has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card