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syosetu.com

小説家になろう - みんなのための小説投稿サイト

Last scanned Jul 29, 2026, 1:00 PM · 11 views

76

Overall score

Fair

Summary

日本最大級のWeb小説投稿サイト「小説家になろう」。作品数100万以上、登録者数240万人以上、小説閲覧数月間25億PV以上。パソコン・スマートフォンのどれでも使え… This website uses Apache. SEO is fair (60/100) and accessibility is good (85/100). Security scores good (75/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.

日本最大級のWeb小説投稿サイト「小説家になろう」。作品数100万以上、登録者数240万人以上、小説閲覧数月間25億PV以上。パソコン・スマートフォンのどれでも使えて完全無料！

Top issues to fix

13 issues found · 2 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 X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • 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.

  • Title longer than 60 characters

    SEO

    Shorten the title to under 60 characters so search results don't truncate it.

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

+7 more issues — details in the sections below.

60

SEO

7 issue(s) found

90

Performance

1.09 s

75

Security

HTTPS & header checks

85

Accessibility

1 issue(s) found

Score history

-1 overall since Jul 18, 2026

Overall
76
SEO
60
Security
75
Performance
90
Accessibility
85

Organization

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

日本最大級のWeb小説投稿サイト「小説家になろう」。作品数100万以上、登録者数240万人以上、小説閲覧数月間25億PV以上。パソコン・スマートフォンのどれでも使えて完全無料！

YouTubeX (Twitter)X (Twitter)YouTube

Meta tags

Title
小説家になろう - みんなのための小説投稿サイト
Description
日本最大級のWeb小説投稿サイト「小説家になろう」。作品数100万以上、登録者数240万人以上、小説閲覧数月間25億PV以上。パソコン・スマートフォンのどれでも使えて完全無料！
Canonical
Language
ja
Charset
UTF-8
Viewport
width=1088, maximum-scale=1.0, user-scalable=yes
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.

jQueryGoogle AnalyticsApache

Hosting & CDN

Hosting provider
—
CDN provider
—
IP address
—
ASN
—

DNS records

TypeValue
A—
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Cybertrust Japan Co., Ltd.
Subject
*.syosetu.com
Valid from
Oct 3, 2025
Valid to
Oct 21, 2026
Days until expiry
84
SAN domains
*.syosetu.com, syosetu.com

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 1 · H2 10 · H3 47

Links

37 internal · 363 external · 20 broken

Images

35 total · 11 missing alt

Scripts / Styles

21 scripts · 3 stylesheets

JS / CSS size

2.5 KB · 0 B

Page size

295 KB

Robots.txt & Sitemap

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

SEO issues

  • Title longer than 60 characters
  • Meta description longer than 160 characters
  • Missing canonical link
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • More than 20% of images are missing alt text

Scan details

Requested URL
https://syosetu.com
Final URL
https://syosetu.com
HTTP status
200
HTTP version
HTTP/1.1
Response time
1.08 s
HTML size
295 KB
Redirect chain
https://syosetu.com

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does syosetu.com use?
syosetu.com is built with jQuery, Google Analytics, Apache.
Is syosetu.com secure (HTTPS)?
Yes. syosetu.com uses TLS 1.3 with a certificate issued by Cybertrust Japan Co., Ltd., valid until Oct 21, 2026.
Who hosts syosetu.com?
Hosting provider information for syosetu.com is not available yet.
What is syosetu.com's SEO score?
syosetu.com scored 60/100 for SEO in the latest analysis (fair).
What is syosetu.com's overall website score?
syosetu.com has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.
Has syosetu.com's score changed over time?
syosetu.com's overall score has declined by 1 point (from 77 to 76) since Jul 18, 2026.