skepticalscience.com
Global Warming and Climate Change skepticism examined
Last scanned Jul 26, 2026, 5:35 AM
Overall score
Fair
Summary
Examines the science and arguments of global warming skepticism. This website uses WordPress. SEO is fair (65/100) and accessibility is fair (55/100). Security scores good (75/100) and performance good (75/100). Top issue: Meta description longer than 160 characters.
Examines the science and arguments of global warming skepticism. Common objections like 'global warming is caused by the sun', 'temperature has changed naturally in the past' or 'other planets are warming too' are examined to see what the science really says.
Top issues to fix
14 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.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
Missing viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
+8 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
278 ms
Security
HTTPS & header checks
Accessibility
3 issue(s) found
Organization
Company details published in this site's own structured data.
Examines the science and arguments of global warming skepticism. Common objections like 'global warming is caused by the sun', 'temperature has changed naturally in the past' or 'other planets are warming too' are examined to see what the science really says.
Meta tags
- Title
- Global Warming and Climate Change skepticism examined
- Description
- Examines the science and arguments of global warming skepticism. Common objections like 'global warming is caused by the sun', 'temperature has changed naturally in the past' or 'other planets are warming too' are examined to see what the science really says.
- Canonical
- Language
- Charset
- utf-8
- Viewport
- Robots meta
- NOARCHIVE
- 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 1.3
- Issuer
- Let's Encrypt
- Subject
- skepticalscience.com
- Valid from
- Jul 12, 2026
- Valid to
- Oct 10, 2026
- Days until expiry
- 75
- SAN domains
- skepticalscience.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 4 · H2 25 · H3 19
Links
115 internal · 163 external · 20 broken
Images
107 total · 81 missing alt
Scripts / Styles
24 scripts · 11 stylesheets
JS / CSS size
1.5 MB · 0 B
Page size
158 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
- Missing <html lang> attribute
- Missing viewport meta tag
Scan details
- Requested URL
- https://skepticalscience.com
- Final URL
- https://skepticalscience.com
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 275 ms
- HTML size
- 158 KB
- Redirect chain
- https://skepticalscience.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does skepticalscience.com use?
- skepticalscience.com is built with PHP, WordPress, Drupal, jQuery, Google Analytics, Apache.
- Is skepticalscience.com secure (HTTPS)?
- Yes. skepticalscience.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 10, 2026.
- Who hosts skepticalscience.com?
- Hosting provider information for skepticalscience.com is not available yet.
- What is skepticalscience.com's SEO score?
- skepticalscience.com scored 65/100 for SEO in the latest analysis (fair).
- What is skepticalscience.com's overall website score?
- skepticalscience.com has an overall SiteGraph score of 68/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card