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SGSiteGraph

megalodon.jp

ウェブ魚拓

Last scanned Jul 26, 2026, 5:47 AM

79

Overall score

Fair

Summary

ウェブ魚拓は、ウェブページを引用するためのツールです。ブログや掲示板に、記録した魚拓のURLを貼って利用できます。. This website uses Nginx hosted on SAKURA-B - SAKURA Internet Inc., JP. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.

ウェブ魚拓は、ウェブページを引用するためのツールです。ブログや掲示板に、記録した魚拓のURLを貼って利用できます。

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

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.

  • 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.

  • 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.

  • 1 cookie without Secure/HttpOnly flags

    Security

    Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

+4 more issues — details in the sections below.

65

SEO

5 issue(s) found

100

Performance

292 ms

65

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.

ウェブ魚拓は、ウェブページを引用するためのツールです。ブログや掲示板に、記録した魚拓のURLを貼って利用できます。

Meta tags

Title
ウェブ魚拓
Description
ウェブ魚拓は、ウェブページを引用するためのツールです。ブログや掲示板に、記録した魚拓のURLを貼って利用できます。
Canonical
Language
ja
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest
https://megalodon.jp/manifest.webmanifest

OpenGraph & Twitter Card

OpenGraph

og:title
—
og:description
ウェブ魚拓はウェブページを引用するためのサービスです。ブログや掲示板に記録した魚拓のURLを貼って利用できます。
og:type
webpage
og:url
—

Twitter Card

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

Technologies

Detected frameworks, languages, and tools.

PHPBootstrapCloudflare AnalyticsNginx

Hosting & CDN

CDN provider
—
IP address
160.16.237.251
ASN
AS9370 (SAKURA-B - SAKURA Internet Inc., JP)

DNS records

TypeValue
A
  • 160.16.237.251
AAAA—
MX
  • mail.megalodon.jp
TXT
  • google-site-verification=x5tI_e34crsdAsiwos2jhEAiCcL4xR_GwfYSjamxagY
NS
  • ns-1505.awsdns-60.org
  • ns-674.awsdns-20.net
  • ns-303.awsdns-37.com
  • ns-1897.awsdns-45.co.uk
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
megalodon.jp
Valid from
May 31, 2026
Valid to
Aug 29, 2026
Days until expiry
33
SAN domains
megalodon.jp

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 1

Links

9 internal · 2 external · 0 broken

Images

2 total · 0 missing alt

Scripts / Styles

3 scripts · 3 stylesheets

JS / CSS size

32.5 KB · 2.3 KB

Page size

7.5 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
3
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Meta description longer than 160 characters
  • Missing canonical link
  • No H1 heading found
  • No structured data (JSON-LD) found
  • sitemap.xml not found

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://megalodon.jp
Final URL
https://megalodon.jp
HTTP status
200
HTTP version
HTTP/1.1
Response time
292 ms
HTML size
7.5 KB
Redirect chain
https://megalodon.jp

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does megalodon.jp use?
megalodon.jp is built with PHP, Bootstrap, Cloudflare Analytics, Nginx.
Is megalodon.jp secure (HTTPS)?
Yes. megalodon.jp uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 29, 2026.
Who hosts megalodon.jp?
megalodon.jp is hosted on SAKURA-B - SAKURA Internet Inc., JP.
What is megalodon.jp's SEO score?
megalodon.jp scored 65/100 for SEO in the latest analysis (fair).
What is megalodon.jp's overall website score?
megalodon.jp has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.