geogebra.org

GeoGebra - the world’s favorite, free math tools used by over 100 million students and teachers

Last scanned Jul 25, 2026, 12:25 AM · 1 view

96

Overall score

Excellent

Summary

Free digital tools for class activities, graphing, geometry, collaborative whiteboard and more. This website uses Next.js hosted on AWS behind CloudFront CDN. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.

Free digital tools for class activities, graphing, geometry, collaborative whiteboard and more

United States

Hosted on AWS

Top issues to fix

3 issues found

Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Title longer than 60 characters
SEO
Shorten the title to under 60 characters so search results don't truncate it.
3 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

95

SEO

1 issue(s) found

100

Performance

56 ms

90

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.

Free digital tools for class activities, graphing, geometry, collaborative whiteboard and more

YouTube Instagram X (Twitter)Facebook

Meta tags

Title: GeoGebra - the world’s favorite, free math tools used by over 100 million students and teachers
Description: Free digital tools for class activities, graphing, geometry, collaborative whiteboard and more
Canonical: https://www.geogebra.org
Language: en
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta: all
Manifest: https://www.geogebra.org/sp-assets/assets/manifest.f32664c7.json

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider: AWS
CDN provider: CloudFront
IP address: 108.158.61.8
ASN: AS16509 (AMAZON-02 - Amazon.com, Inc., US)

DNS records

Type	Value
A	108.158.61.8 108.158.61.102 108.158.61.128 108.158.61.91
AAAA	2600:9000:237b:c800:9:1807:680:93a1 2600:9000:237b:5800:9:1807:680:93a1 2600:9000:237b:2e00:9:1807:680:93a1 2600:9000:237b:3400:9:1807:680:93a1 2600:9000:237b:6800:9:1807:680:93a1 2600:9000:237b:2200:9:1807:680:93a1 2600:9000:237b:2c00:9:1807:680:93a1 2600:9000:237b:8400:9:1807:680:93a1
MX	—
TXT	pwa-site-verification=RocOo-JshdrRAsxgwQBVQlyZmpjf_4V_kmwx-koNSdE=
NS	—
CAA	—
CNAME	—
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: Amazon
Subject: geogebra.org
Valid from: Sep 23, 2025
Valid to: Oct 21, 2026
Days until expiry: 88
SAN domains: geogebra.org, *.geogebra.org

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 6 · H3 0

Links

23 internal · 11 external · 3 broken

Images

23 total · 0 missing alt

Scripts / Styles

37 scripts · 2 stylesheets

JS / CSS size

871 KB · 121 KB

Page size

191 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 0
sitemap.xml: Found
URLs in sitemap: -1

SEO issues

Title longer than 60 characters

Scan details

Requested URL: https://geogebra.org
Final URL: https://www.geogebra.org/
HTTP status: 200
HTTP version: HTTP/2
Response time: 53 ms
HTML size: 191 KB
Redirect chain: https://geogebra.org → https://www.geogebra.org/

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Frequently asked questions

What technology does geogebra.org use?: geogebra.org is built with Next.js.
Is geogebra.org secure (HTTPS)?: Yes. geogebra.org uses TLS 1.3 with a certificate issued by Amazon, valid until Oct 21, 2026.
Who hosts geogebra.org?: geogebra.org is hosted on AWS, behind CloudFront CDN.
What is geogebra.org's SEO score?: geogebra.org scored 95/100 for SEO in the latest analysis (excellent).
What is geogebra.org's overall website score?: geogebra.org has an overall SiteGraph score of 96/100, combining SEO, performance, security, and accessibility.