Is phys.org secure (HTTPS)?

Yes. phys.org uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Dec 27, 2026.

phys.org is hosted on SINGLEHOP-LLC - Internap Holding LLC, US.

What is phys.org's SEO score?

phys.org scored 65/100 for SEO in the latest analysis (fair).

What is phys.org's overall website score?

phys.org has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.

phys.org

400 Bad Request

Last scanned Jul 18, 2026, 8:49 PM

Overall score

Great

Top issues to fix

7 issues found · 3 high priority

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 meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEO
Add og:title/og:description/og:image so shared links render a proper preview card.

+1 more issue — details in the sections below.

Summary

This website uses Apache hosted on SINGLEHOP-LLC - Internap Holding LLC, US. SEO is fair (65/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Missing meta description.

SEO

5 issue(s) found

100

Performance

395 ms

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.

Contact

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

Source: https://phys.org/contact

Technologies

Detected frameworks, languages, and tools.

Apache

Hosting & CDN

Hosting provider: SINGLEHOP-LLC - Internap Holding LLC, US
CDN provider: —
IP address: 72.251.233.232
ASN: AS32475 (SINGLEHOP-LLC - Internap Holding LLC, US)

DNS records

Type	Value
A	72.251.233.232
AAAA	2001:48c8:13:5::52
MX	mx.physorg.com
TXT	google-site-verification=Ney6Zb1BPHav4nonSSwquiBBs0r0BIsEeQp5NqIxRkU facebook-domain-verification=ny8y6204en9enlmt6n8s7rlg7lkey9
NS	gns4.cloudns.net gns3.cloudns.net gns1.cloudns.net gns2.cloudns.net
CAA	0 issuewild "sectigo.com"
CNAME	—
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: Sectigo Limited
Subject: *.phys.org
Valid from: Dec 15, 2025
Valid to: Dec 27, 2026
Days until expiry: 162
SAN domains: *.phys.org, phys.org

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyMissing
X-Frame-OptionsEnabled
X-Content-Type-OptionsEnabled
Referrer-PolicyEnabled
Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 0 · H3 0

Links

0 internal · 1 external · 0 broken

Images

0 total · 0 missing alt

Scripts / Styles

0 scripts · 0 stylesheets

JS / CSS size

0 B · 926 B

Page size

201 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 39
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Missing meta description
Missing canonical link
No structured data (JSON-LD) found
Missing OpenGraph tags
sitemap.xml not found

Scan details

Requested URL: https://phys.org
Final URL: https://phys.org
HTTP status: 200
HTTP version: HTTP/2
Response time: 391 ms
HTML size: 201 KB
Redirect chain: https://phys.org

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