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SGSiteGraph

osmarks.net

Index @ osmarks' website

Last scanned Aug 24, 2026, 1:21 PM · 1 view

87

Overall score

Great

Summary

<!--SSI:tagline-->. This website uses Svelte hosted on ZEN-AS - Zen Internet Ltd, GB. SEO is good (80/100) and accessibility is good (85/100). Security scores good (85/100) and performance excellent (100/100). Top issue: Missing canonical link.

<!--SSI:tagline-->

United Kingdom
Hosted on ZEN-AS - Zen Internet Ltd, GB

Top issues to fix

6 issues found · 1 high priority

  • 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 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.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

  • More than 20% of images are missing alt text

    Accessibility

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

80

SEO

3 issue(s) found

100

Performance

127 ms

85

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.

<!--SSI:tagline-->

X (Twitter)

Meta tags

Title
Index @ osmarks' website
Description
<!--SSI:tagline-->
Canonical
Language
en
Charset
UTF-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest
https://osmarks.net/assets/manifest.webmanifest

OpenGraph & Twitter Card

OpenGraph

og:title
Index
og:description
<!--SSI:tagline-->
og:type
website
og:url
https://osmarks.net/

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Svelte

Hosting & CDN

CDN provider
—
IP address
217.155.249.111
ASN
AS13037 (ZEN-AS - Zen Internet Ltd, GB)

DNS records

TypeValue
A
  • 217.155.249.111
AAAA
  • 2a02:8012:ec38:0:d006:22ff:fea9:5223
MX
  • mailserver.purelymail.com
TXT
  • v=spf1 include:_spf.purelymail.com ~all
  • google-site-verification=oo-V9_5OSDAt-9VZc5abngvFslK8ZSwZ1JoTohw0ius
  • purelymail_ownership_proof=b8e40537e1c0add3f70915cc8f097519ae4ba87ec80d06971b552d37567e557068d74760446a256177771b08cd10e3e7fb08a639714ffeb888e7402cbc24ebf1
NS
  • ns2.mythic-beasts.com
  • ns1.mythic-beasts.com
CAA
  • 0 issue "letsencrypt.org"
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
osmarks.net
Valid from
Jun 27, 2026
Valid to
Sep 25, 2026
Days until expiry
31
SAN domains
*.osmarks.net, osmarks.net

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 6 · H3 10

Links

73 internal · 63 external · 0 broken

Images

215 total · 72 missing alt

Scripts / Styles

2 scripts · 0 stylesheets

JS / CSS size

69.9 KB · 9.0 KB

Page size

43.9 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
1
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing canonical link
  • No structured data (JSON-LD) found
  • sitemap.xml not found

Accessibility issues

  • More than 20% of images are missing alt text

Scan details

Requested URL
https://osmarks.net
Final URL
https://osmarks.net
HTTP status
200
HTTP version
HTTP/2
Response time
127 ms
HTML size
43.9 KB
Redirect chain
https://osmarks.net

See something wrong on this report? Request a correction

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ZEN-AS - Zen Internet Ltd, GB

Frequently asked questions

What technology does osmarks.net use?
osmarks.net is built with Svelte.
Is osmarks.net secure (HTTPS)?
Yes. osmarks.net uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 25, 2026.
Who hosts osmarks.net?
osmarks.net is hosted on ZEN-AS - Zen Internet Ltd, GB.
What is osmarks.net's SEO score?
osmarks.net scored 80/100 for SEO in the latest analysis (great).
What is osmarks.net's overall website score?
osmarks.net has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.