What technology does formulasearchengine.com use?

formulasearchengine.com is built with PHP, Apache.

Is formulasearchengine.com secure (HTTPS)?

Yes. formulasearchengine.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 12, 2026.

Who hosts formulasearchengine.com?

Hosting provider information for formulasearchengine.com is not available yet.

What is formulasearchengine.com's SEO score?

formulasearchengine.com scored 60/100 for SEO in the latest analysis (fair).

What is formulasearchengine.com's overall website score?

formulasearchengine.com has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.

formulasearchengine.com

formulasearchengine

Last scanned Aug 24, 2026, 1:21 PM

Overall score

Fair

Summary

This website uses PHP. SEO is fair (60/100) and accessibility is excellent (100/100). Security scores fair (70/100) and performance excellent (90/100). Top issue: Missing meta description.

Top issues to fix

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

+4 more issues — details in the sections below.

SEO

6 issue(s) found

Performance

1.44 s

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.

Technologies

Detected frameworks, languages, and tools.

PHP Apache

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: arq20.formulasearchengine.com
Valid from: Jul 14, 2026
Valid to: Oct 12, 2026
Days until expiry: 48
SAN domains: arq20.formulasearchengine.com, arq20math.formulasearchengine.com, de.formulasearchengine.com, demo.formulasearchengine.com, en.formulasearchengine.com, formulasearchengine.com, ja.formulasearchengine.com, physikerwelt.de, ru.formulasearchengine.com, wiki.physikerwelt.de, www.formulasearchengine.com, www.physikerwelt.de

Security headers

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

Compression: none · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 4 · H3 6

Links

46 internal · 13 external · 6 broken

Images

2 total · 0 missing alt

Scripts / Styles

4 scripts · 2 stylesheets

JS / CSS size

2.5 KB · 81.9 KB

Page size

22.1 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 structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://formulasearchengine.com
Final URL: https://en.formulasearchengine.com/wiki/Main_Page
HTTP status: 200
HTTP version: HTTP/2
Response time: 1.44 s
HTML size: 22.1 KB
Redirect chain: https://formulasearchengine.com → https://en.formulasearchengine.com/wiki/Main_Page

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does formulasearchengine.com use?: formulasearchengine.com is built with PHP, Apache.
Is formulasearchengine.com secure (HTTPS)?: Yes. formulasearchengine.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 12, 2026.
Who hosts formulasearchengine.com?: Hosting provider information for formulasearchengine.com is not available yet.
What is formulasearchengine.com's SEO score?: formulasearchengine.com scored 60/100 for SEO in the latest analysis (fair).
What is formulasearchengine.com's overall website score?: formulasearchengine.com has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.