effectivealtruism.org
Effective Altruism | Find the best ways to help others
Last scanned Jul 26, 2026, 5:48 AM
Overall score
Great
Summary
Effective altruism is a philosophy and a movement that asks the question: how can we do the most good with our time, money, and resources?. This website uses Next.js behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (90/100). Top issue: robots.txt not found.
Effective altruism is a philosophy and a movement that asks the question: how can we do the most good with our time, money, and resources?
Top issues to fix
6 issues found · 1 high priority
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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
610 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Effective altruism is a philosophy and a movement that asks the question: how can we do the most good with our time, money, and resources?
Meta tags
- Title
- Effective Altruism | Find the best ways to help others
- Description
- Effective altruism is a philosophy and a movement that asks the question: how can we do the most good with our time, money, and resources?
- Canonical
- https://www.effectivealtruism.org
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- 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
- effectivealtruism.org
- Valid from
- Jul 3, 2026
- Valid to
- Oct 1, 2026
- Days until expiry
- 64
- SAN domains
- *.effectivealtruism.org, effectivealtruism.org
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 6 · H3 3
Links
42 internal · 50 external · 20 broken
Images
64 total · 6 missing alt
Scripts / Styles
20 scripts · 2 stylesheets
JS / CSS size
207 KB · 92.7 KB
Page size
531 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
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://effectivealtruism.org
- Final URL
- https://www.effectivealtruism.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 600 ms
- HTML size
- 531 KB
- Redirect chain
- https://effectivealtruism.org → https://www.effectivealtruism.org/
See something wrong on this report? Request a correction
Related websites
Same technology stack
openrouter.ai
OpenRouter
savvytime.com
World Clock and Time Converter - Savvy Time
ai-analytics.org
AI Analytics
eyby.com
EYBY Marketplace
acuvue.com
India Homepage - Start Here | ACUVUE® Contact Lenses
agentclientprotocol.com
Introduction - Agent Client Protocol
Frequently asked questions
- What technology does effectivealtruism.org use?
- effectivealtruism.org is built with Next.js, Cloudflare Analytics.
- Is effectivealtruism.org secure (HTTPS)?
- Yes. effectivealtruism.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 1, 2026.
- Who hosts effectivealtruism.org?
- Hosting provider information for effectivealtruism.org is not available yet.
- What is effectivealtruism.org's SEO score?
- effectivealtruism.org scored 90/100 for SEO in the latest analysis (excellent).
- What is effectivealtruism.org's overall website score?
- effectivealtruism.org has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card