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pqrs.org

pqrs.org

Last scanned Jul 27, 2026, 5:43 PM

78

Overall score

Fair

Summary

This website uses Nginx hosted on SAKURA-A - SAKURA Internet Inc., JP. SEO is fair (55/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing meta description.

Japan
Hosted on SAKURA-A - SAKURA Internet Inc., JP

Top issues to fix

12 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-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.

  • Multiple H1 headings found

    SEO

    Keep a single H1 per page and demote the others to H2/H3.

+6 more issues — details in the sections below.

55

SEO

7 issue(s) found

100

Performance

134 ms

75

Security

HTTPS & header checks

90

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.

GitHubGitHubX (Twitter)

Contact

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

Meta tags

Title
pqrs.org
Description
Canonical
Language
Charset
utf-8
Viewport
width=device-width, initial-scale=1, shrink-to-fit=no
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.

BootstrapjQueryNginx

Hosting & CDN

CDN provider
—
IP address
133.242.162.147
ASN
AS7684 (SAKURA-A - SAKURA Internet Inc., JP)

DNS records

TypeValue
A
  • 133.242.162.147
AAAA—
MX
  • pqrs.org
TXT
  • v=spf1 ip4:133.242.162.147 -all
NS
  • irma.ns.cloudflare.com
  • dean.ns.cloudflare.com
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
pqrs.org
Valid from
Jun 11, 2026
Valid to
Sep 9, 2026
Days until expiry
44
SAN domains
appcast.pqrs.org, pqrs.org, u.pqrs.org

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 6 · H2 0 · H3 0

Links

1 internal · 15 external · 1 broken

Images

9 total · 0 missing alt

Scripts / Styles

3 scripts · 2 stylesheets

JS / CSS size

79.2 KB · 2.5 KB

Page size

10.6 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
  • Multiple H1 headings found
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • Missing <html lang> attribute

Scan details

Requested URL
https://pqrs.org
Final URL
https://pqrs.org
HTTP status
200
HTTP version
HTTP/2
Response time
134 ms
HTML size
10.6 KB
Redirect chain
https://pqrs.org

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does pqrs.org use?
pqrs.org is built with Bootstrap, jQuery, Nginx.
Is pqrs.org secure (HTTPS)?
Yes. pqrs.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 9, 2026.
Who hosts pqrs.org?
pqrs.org is hosted on SAKURA-A - SAKURA Internet Inc., JP.
What is pqrs.org's SEO score?
pqrs.org scored 55/100 for SEO in the latest analysis (fair).
What is pqrs.org's overall website score?
pqrs.org has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.