What technology does choosealicense.com use?

We did not detect any specific technologies for choosealicense.com in the latest scan.

Is choosealicense.com secure (HTTPS)?

Yes. choosealicense.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 1, 2026.

Who hosts choosealicense.com?

Hosting provider information for choosealicense.com is not available yet.

What is choosealicense.com's SEO score?

choosealicense.com scored 90/100 for SEO in the latest analysis (excellent).

What is choosealicense.com's overall website score?

choosealicense.com has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.

Has choosealicense.com's score changed over time?

choosealicense.com's overall score has declined by 3 points (from 94 to 91) since Jul 26, 2026.

choosealicense.com

Choose an open source license | Choose a License

Last scanned Aug 3, 2026, 7:00 AM · 4 views

Overall score

Excellent

Summary

Non-judgmental guidance on choosing a license for your open source project. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: robots.txt not found.

Non-judgmental guidance on choosing a license for your open source project

Top issues to fix

6 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.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

2 issue(s) found

100

Performance

230 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-3 overall since Jul 26, 2026

Overall: 91
SEO: 90
Security: 75
Performance: 100
Accessibility: 100

Organization

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

Non-judgmental guidance on choosing a license for your open source project

Meta tags

Title: Choose an open source license | Choose a License
Description: Non-judgmental guidance on choosing a license for your open source project
Canonical: https://choosealicense.com/
Language: en
Charset: utf-8
Viewport: width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: —
CDN provider: Fastly
IP address: —
ASN: —

DNS records

Type	Value
A	—
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: choosealicense.com
Valid from: Jul 3, 2026
Valid to: Oct 1, 2026
Days until expiry: 59
SAN domains: choosealicense.com, www.choosealicense.com

Security headers

Strict-Transport-SecurityEnabled
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 2 · H3 6

Links

16 internal · 10 external · 20 broken

Images

0 total · 0 missing alt

Scripts / Styles

2 scripts · 2 stylesheets

JS / CSS size

1.2 KB · 0 B

Page size

10.3 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://choosealicense.com
Final URL: https://choosealicense.com
HTTP status: 200
HTTP version: HTTP/2
Response time: 230 ms
HTML size: 10.3 KB
Redirect chain: https://choosealicense.com

See something wrong on this report? Request a correction

Frequently asked questions

What technology does choosealicense.com use?: We did not detect any specific technologies for choosealicense.com in the latest scan.
Is choosealicense.com secure (HTTPS)?: Yes. choosealicense.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 1, 2026.
Who hosts choosealicense.com?: Hosting provider information for choosealicense.com is not available yet.
What is choosealicense.com's SEO score?: choosealicense.com scored 90/100 for SEO in the latest analysis (excellent).
What is choosealicense.com's overall website score?: choosealicense.com has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
Has choosealicense.com's score changed over time?: choosealicense.com's overall score has declined by 3 points (from 94 to 91) since Jul 26, 2026.