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SGSiteGraph

scientificamerican.com

Scientific American

Last scanned Jul 18, 2026, 8:49 PM

94

Overall score

Excellent

Top issues to fix

2 issues found

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

Summary

Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives. This website is hosted on Fastly. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.

95

SEO

1 issue(s) found

90

Performance

215 ms

90

Security

HTTPS & header checks

100

Accessibility

0 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.

Contact

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

Meta tags

Title
Scientific American
Description
Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.
Canonical
https://www.scientificamerican.com/
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
max-image-preview:standard
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Scientific American
og:description
Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.
og:type
homepage
og:url
https://www.scientificamerican.com/

Twitter Card

twitter:card
summary_large_image
twitter:title
Scientific American
twitter:description
Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider
Fastly
CDN provider
Fastly
IP address
151.101.2.49
ASN
AS54113 (FASTLY - Fastly, Inc., US)

DNS records

TypeValue
A
  • 151.101.2.49
  • 151.101.66.49
  • 151.101.130.49
  • 151.101.194.49
AAAA
MX
TXT
NS
CAA
CNAME
  • m2.shared.global.fastly.net
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.2
Issuer
Let's Encrypt
Subject
*.scientificamerican.com
Valid from
Jun 17, 2026
Valid to
Sep 15, 2026
Days until expiry
58
SAN domains
*.scientificamerican.com

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsMissing
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyEnabled
  • Permissions-PolicyEnabled

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 1 · H2 38 · H3 7

Links

77 internal · 6 external · 0 broken

Images

43 total · 0 missing alt

Scripts / Styles

12 scripts · 9 stylesheets

JS / CSS size

547 KB · 80.2 KB

Page size

476 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
16
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

  • Meta description longer than 160 characters

Accessibility issues

No accessibility issues detected.

Products & pricing

Product and pricing information published in this site's own structured data.

Science you can trust. Stories that matter.

$39 USD

Careers

View careers page

This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.

Scan details

Requested URL
https://scientificamerican.com
Final URL
https://www.scientificamerican.com/
HTTP status
200
HTTP version
HTTP/2
Response time
206 ms
HTML size
476 KB
Redirect chain
https://scientificamerican.com → https://www.scientificamerican.com/

Frequently asked questions

What technology does scientificamerican.com use?
We did not detect any specific technologies for scientificamerican.com in the latest scan.
Is scientificamerican.com secure (HTTPS)?
Yes. scientificamerican.com uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Sep 15, 2026.
Who hosts scientificamerican.com?
scientificamerican.com is hosted on Fastly, behind Fastly CDN.
What is scientificamerican.com's SEO score?
scientificamerican.com scored 95/100 for SEO in the latest analysis (excellent).
What is scientificamerican.com's overall website score?
scientificamerican.com has an overall SiteGraph score of 94/100, combining SEO, performance, security, and accessibility.
What products does scientificamerican.com offer?
scientificamerican.com offers Science you can trust. Stories that matter..
Is scientificamerican.com hiring?
scientificamerican.com has a careers page; check it directly for current openings.