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SGSiteGraph

onlinesim.io

Last scanned Jul 27, 2026, 2:43 PM · 1 view

64

Overall score

Fair

Summary

This website is hosted on QRATOR-SW - Qrator Labs CZ s.r.o., CZ. SEO is poor (45/100) and accessibility is poor (45/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing <title>.

CZ
Hosted on QRATOR-SW - Qrator Labs CZ s.r.o., CZ

Top issues to fix

14 issues found · 7 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 title tag

    SEO

    Add a unique, descriptive <title> tag — it's the single most important on-page SEO element.

  • Missing meta description

    SEO

    Add a ~150-character meta description to control your search-result snippet and lift click-through rate.

  • No H1 heading found

    SEO

    Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.

  • Over half of images are missing alt text

    Accessibility

    Add alt attributes to images — screen readers depend on them, and they help image SEO.

+8 more issues — details in the sections below.

45

SEO

6 issue(s) found

100

Performance

2 ms

65

Security

HTTPS & header checks

45

Accessibility

4 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.

Meta tags

Title
Description
Canonical
Language
Charset
utf-8
Viewport
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
—
og:description
—
og:type
—
og:url
—

Twitter Card

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

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

CDN provider
—
IP address
185.104.210.36
ASN
AS209671 (QRATOR-SW - Qrator Labs CZ s.r.o., CZ)

DNS records

TypeValue
A
  • 185.104.210.36
AAAA—
MX
  • mx.yandex.net
TXT—
NS
  • daisy.ns.cloudflare.com
  • evan.ns.cloudflare.com
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
GlobalSign nv-sa
Subject
www.onlinesim.io
Valid from
Nov 17, 2025
Valid to
Dec 19, 2026
Days until expiry
144
SAN domains
www.onlinesim.io, onlinesim.io

Security headers

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

Compression: none · 1 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

1 total · 1 missing alt

Scripts / Styles

2 scripts · 0 stylesheets

JS / CSS size

342 KB · 0 B

Page size

1.5 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
13
sitemap.xml
Found
URLs in sitemap
3447

SEO issues

  • Missing <title>
  • Missing meta description
  • Missing canonical link
  • No H1 heading found
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags

Accessibility issues

  • Over half of images are missing alt text
  • No H1 heading found
  • Missing <html lang> attribute
  • Missing viewport meta tag

Scan details

Requested URL
https://onlinesim.io
Final URL
https://onlinesim.io
HTTP status
401
HTTP version
HTTP/1.1
Response time
2 ms
HTML size
1.5 KB
Redirect chain
https://onlinesim.io

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does onlinesim.io use?
We did not detect any specific technologies for onlinesim.io in the latest scan.
Is onlinesim.io secure (HTTPS)?
Yes. onlinesim.io uses TLS 1.3 with a certificate issued by GlobalSign nv-sa, valid until Dec 19, 2026.
Who hosts onlinesim.io?
onlinesim.io is hosted on QRATOR-SW - Qrator Labs CZ s.r.o., CZ.
What is onlinesim.io's SEO score?
onlinesim.io scored 45/100 for SEO in the latest analysis (poor).
What is onlinesim.io's overall website score?
onlinesim.io has an overall SiteGraph score of 64/100, combining SEO, performance, security, and accessibility.