greatnonprofits.org
GreatNonprofits - Find Top-Rated Nonprofits and Charities
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
GreatNonprofits is a 501 registered non-profit organization based in the United States with a website where donors, volunteers, and clients to review and share their personal experiences with charitable organizations, es… This website uses Express. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: robots.txt not found.
GreatNonprofits
GreatNonprofits is a 501 registered non-profit organization based in the United States with a website where donors, volunteers, and clients to review and share their personal experiences with charitable organizations, essentially providing crowdsourced information about the reputability of these organizations.
- 330 Twin Dolphin Dr, Redwood City, CA, 94059, US
Top issues to fix
7 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.
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.
+1 more issue — details in the sections below.
SEO
2 issue(s) found
Performance
606 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
GreatNonprofits
GreatNonprofits is a 501 registered non-profit organization based in the United States with a website where donors, volunteers, and clients to review and share their personal experiences with charitable organizations, essentially providing crowdsourced information about the reputability of these organizations.
Contact
Email, phone, and address published on this site's own pages.
- Phone
- +18446150025
- Address
- 330 Twin Dolphin Dr, Redwood City, CA, 94059, US
Meta tags
- Title
- GreatNonprofits - Find Top-Rated Nonprofits and Charities
- Description
- Find and review charities, nonprofits, volunteering and donation opportunities. Discover the best local nonprofits and charities.
- Canonical
- https://greatnonprofits.org
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- index, follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Amazon
- Subject
- *.greatnonprofits.org
- Valid from
- Oct 15, 2025
- Valid to
- Nov 12, 2026
- Days until expiry
- 107
- SAN domains
- *.greatnonprofits.org, greatnonprofits.org
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 4 · H3 8
Links
13 internal · 6 external · 19 broken
Images
20 total · 0 missing alt
Scripts / Styles
6 scripts · 3 stylesheets
JS / CSS size
1.3 KB · 69.2 KB
Page size
128 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://greatnonprofits.org
- Final URL
- https://greatnonprofits.org
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 604 ms
- HTML size
- 128 KB
- Redirect chain
- https://greatnonprofits.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does greatnonprofits.org use?
- greatnonprofits.org is built with Express, Node.js, Google Analytics.
- Is greatnonprofits.org secure (HTTPS)?
- Yes. greatnonprofits.org uses TLS 1.2 with a certificate issued by Amazon, valid until Nov 12, 2026.
- Who hosts greatnonprofits.org?
- Hosting provider information for greatnonprofits.org is not available yet.
- What is greatnonprofits.org's SEO score?
- greatnonprofits.org scored 90/100 for SEO in the latest analysis (excellent).
- What is greatnonprofits.org's overall website score?
- greatnonprofits.org has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
- What company operates greatnonprofits.org?
- greatnonprofits.org is operated by GreatNonprofits. GreatNonprofits is a 501 registered non-profit organization based in the United States with a website where donors, volunteers, and clients to review and share their personal experiences with charitable organizations, essentially providing crowdsourced information about the reputability of these organizations.
OpenGraph & Twitter Card
OpenGraph
Twitter Card