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SGSiteGraph

skeptic.com

Skeptic

Last scanned Jul 26, 2026, 5:47 AM

81

Overall score

Great

Summary

Popular Science. This website uses Google Analytics hosted on Fastly behind Fastly CDN. SEO is excellent (100/100) and accessibility is good (85/100). Security scores fair (50/100) and performance good (85/100).

Popular Science. Nonpartisan. Reality-Based.

United States
Hosted on Fastly

Top issues to fix

7 issues found · 3 high priority

  • TLS certificate expires in 14 days

    Security

    Renew now (or enable auto-renewal) — an expired certificate blocks visitors with a full-page browser warning.

  • Missing Strict-Transport-Security header

    Security

    Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.

  • 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.

  • More than 20% of images are missing alt text

    Accessibility

    Add alt attributes to the remaining images (use alt="" for purely decorative ones).

+1 more issue — details in the sections below.

100

SEO

0 issue(s) found

85

Performance

160 ms

50

Security

HTTPS & header checks

85

Accessibility

1 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

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

Popular Science. Nonpartisan. Reality-Based.

X (Twitter)YouTube

Contact

Email, phone, and address published on this site's own pages.

Meta tags

Title
Skeptic
Description
Popular Science. Nonpartisan. Reality-Based.
Canonical
https://www.skeptic.com/
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Skeptic
og:description
Popular Science. Nonpartisan. Reality-Based.
og:type
website
og:url
https://www.skeptic.com/

Twitter Card

twitter:card
summary_large_image
twitter:title
Skeptic
twitter:description
Popular Science. Nonpartisan. Reality-Based.

Technologies

Detected frameworks, languages, and tools.

Google Analytics

Hosting & CDN

Hosting provider
Fastly
CDN provider
Fastly
IP address
151.101.195.7
ASN
AS54113 (FASTLY - Fastly, Inc., US)

DNS records

TypeValue
A
  • 151.101.195.7
  • 151.101.131.7
  • 151.101.67.7
  • 151.101.3.7
AAAA
  • 2a04:4e42:600::775
  • 2a04:4e42:400::775
  • 2a04:4e42::775
  • 2a04:4e42:200::775
MX—
TXT—
NS—
CAA
  • 0 issue "digicert.com"
  • 0 issue "letsencrypt.org"
  • 0 issue "certainly.com"
  • 0 issue "sectigo.com"
CNAME
  • skeptic.ghost.io
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Certainly
Subject
www.skeptic.com
Valid from
Jul 10, 2026
Valid to
Aug 9, 2026
Days until expiry
14
SAN domains
www.skeptic.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 1 · H2 4 · H3 21

Links

60 internal · 9 external · 1 broken

Images

24 total · 5 missing alt

Scripts / Styles

26 scripts · 2 stylesheets

JS / CSS size

1.5 MB · 194 KB

Page size

248 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
6
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

No SEO issues detected.

Accessibility issues

  • More than 20% of images are missing alt text

Scan details

Requested URL
https://skeptic.com
Final URL
https://www.skeptic.com/
HTTP status
200
HTTP version
HTTP/2
Response time
155 ms
HTML size
248 KB
Redirect chain
https://skeptic.com → https://www.skeptic.com/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does skeptic.com use?
skeptic.com is built with Google Analytics.
Is skeptic.com secure (HTTPS)?
Yes. skeptic.com uses TLS 1.3 with a certificate issued by Certainly, valid until Aug 9, 2026.
Who hosts skeptic.com?
skeptic.com is hosted on Fastly, behind Fastly CDN.
What is skeptic.com's SEO score?
skeptic.com scored 100/100 for SEO in the latest analysis (excellent).
What is skeptic.com's overall website score?
skeptic.com has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.