What technology does mander.xyz use?

mander.xyz is built with Express, Node.js, Nginx.

Is mander.xyz secure (HTTPS)?

Yes. mander.xyz uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Nov 8, 2026.

Who hosts mander.xyz?

mander.xyz is hosted on AS-ITGLOBALCOM - ITGLOBAL.COM NL B.V., NL.

What is mander.xyz's SEO score?

mander.xyz scored 80/100 for SEO in the latest analysis (great).

What is mander.xyz's overall website score?

mander.xyz has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.

mander.xyz

Mander - An instance dedicated to nature and science.

Last scanned Aug 24, 2026, 1:21 PM

Overall score

Fair

Summary

Lemmy. This website uses Express hosted on AS-ITGLOBALCOM - ITGLOBAL.COM NL B.V., NL. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance fair (65/100). Top issue: Multiple H1 headings found.

Lemmy

Netherlands

Hosted on AS-ITGLOBALCOM - ITGLOBAL.COM NL B.V., NL

Top issues to fix

7 issues found · 1 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

+1 more issue — details in the sections below.

SEO

3 issue(s) found

Performance

340 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.

Organization

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

Lemmy

GitHub

Contact

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

Email: abiogenesis@mander.xyz academia@mander.xyz scicomm@mander.xyz science@mander.xyz spiders@lemmy.world u002Fabiogenesis@mander.xyz u002Facademia@mander.xyz u002Fscicomm@mander.xyz u002Fscience@mander.xyz u002Fspiders@lemmy.world

Meta tags

Title: Mander - An instance dedicated to nature and science.
Description: Lemmy
Canonical: https://mander.xyz/
Language: en
Charset: utf-8
Viewport: width=device-width, initial-scale=1, shrink-to-fit=no
Robots meta
Manifest: https://mander.xyz/manifest.webmanifest

Technologies

Detected frameworks, languages, and tools.

Express Node.js Nginx

Hosting & CDN

Hosting provider: AS-ITGLOBALCOM - ITGLOBAL.COM NL B.V., NL
CDN provider: —
IP address: 45.138.25.8
ASN: AS208951 (AS-ITGLOBALCOM - ITGLOBAL.COM NL B.V., NL)

DNS records

Type	Value
A	45.138.25.8
AAAA	—
MX	mander.xyz
TXT	v=spf1 a mx ip4:78.111.84.89 ~all
NS	ns01.serverspace.io ns02.serverspace.io
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: mander.xyz
Valid from: Aug 10, 2026
Valid to: Nov 8, 2026
Days until expiry: 76
SAN domains: mander.xyz

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 40 · H2 0 · H3 0

Links

72 internal · 46 external · 1 broken

Images

113 total · 0 missing alt

Scripts / Styles

2 scripts · 3 stylesheets

JS / CSS size

1.7 MB · 359 KB

Page size

333 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 13
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Multiple H1 headings found
No structured data (JSON-LD) found
sitemap.xml not found

Scan details

Requested URL: https://mander.xyz
Final URL: https://mander.xyz
HTTP status: 200
HTTP version: HTTP/2
Response time: 334 ms
HTML size: 333 KB
Redirect chain: https://mander.xyz

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does mander.xyz use?: mander.xyz is built with Express, Node.js, Nginx.
Is mander.xyz secure (HTTPS)?: Yes. mander.xyz uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Nov 8, 2026.
Who hosts mander.xyz?: mander.xyz is hosted on AS-ITGLOBALCOM - ITGLOBAL.COM NL B.V., NL.
What is mander.xyz's SEO score?: mander.xyz scored 80/100 for SEO in the latest analysis (great).
What is mander.xyz's overall website score?: mander.xyz has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.