stumbleupon.com
StumbleUpon
Last scanned Jul 29, 2026, 2:00 PM · 6 views
Overall score
Fair
Summary
This website uses Next.js. SEO is fair (50/100) and accessibility is good (80/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing meta description.
Top issues to fix
13 issues found · 4 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 meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
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.
+7 more issues — details in the sections below.
SEO
7 issue(s) found
Performance
252 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Score history
-3 overall since Jul 18, 2026
- Overall
- 72
- SEO
- 50
- Security
- 65
- Performance
- 100
- Accessibility
- 80
Meta tags
- Title
- StumbleUpon
- Description
- Canonical
- Language
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- 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
- stumbleupon.com
- Valid from
- Apr 28, 2026
- Valid to
- Nov 11, 2026
- Days until expiry
- 105
- SAN domains
- stumbleupon.com, *.stumbleupon.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 0 · H2 0 · H3 0
Links
2 internal · 0 external · 2 broken
Images
2 total · 0 missing alt
Scripts / Styles
11 scripts · 2 stylesheets
JS / CSS size
1.2 KB · 0 B
Page size
4.9 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
- Missing <html lang> attribute
Scan details
- Requested URL
- https://stumbleupon.com
- Final URL
- https://stumbleupon.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 252 ms
- HTML size
- 4.9 KB
- Redirect chain
- https://stumbleupon.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does stumbleupon.com use?
- stumbleupon.com is built with Next.js, Google Analytics.
- Is stumbleupon.com secure (HTTPS)?
- Yes. stumbleupon.com uses TLS 1.2 with a certificate issued by Amazon, valid until Nov 11, 2026.
- Who hosts stumbleupon.com?
- Hosting provider information for stumbleupon.com is not available yet.
- What is stumbleupon.com's SEO score?
- stumbleupon.com scored 50/100 for SEO in the latest analysis (fair).
- What is stumbleupon.com's overall website score?
- stumbleupon.com has an overall SiteGraph score of 72/100, combining SEO, performance, security, and accessibility.
- Has stumbleupon.com's score changed over time?
- stumbleupon.com's overall score has declined by 3 points (from 75 to 72) since Jul 18, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card