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bigcomics.jp

ビッコミ（ビッグコミックス） | いつも、どこでも、漫画と。

Last scanned Aug 6, 2026, 6:00 AM · 9 views

85

Overall score

Great

Summary

小学館・青年漫画誌5誌のWeb漫画サイト『ビッコミ』。「週刊ビッグコミックスピリッツ」「月刊！スピリッツ」「ビッグコミックスペリオール」「ビッグコミック… This website uses Next.js behind CloudFront CDN. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.

小学館・青年漫画誌5誌のWeb漫画サイト『ビッコミ』。「週刊ビッグコミックスピリッツ」「月刊！スピリッツ」「ビッグコミックスペリオール」「ビッグコミック」「ビッグコミックオリジナル」のマンガが基本無料で試し読みできます。

Top issues to fix

8 issues found · 1 high priority

  • Missing Strict-Transport-Security header

    Security

    Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.

  • 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.

  • 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.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

+2 more issues — details in the sections below.

70

SEO

5 issue(s) found

100

Performance

568 ms

75

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

0 overall since Jul 26, 2026

Overall
85
SEO
70
Security
75
Performance
100
Accessibility
100

Organization

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

小学館・青年漫画誌5誌のWeb漫画サイト『ビッコミ』。「週刊ビッグコミックスピリッツ」「月刊！スピリッツ」「ビッグコミックスペリオール」「ビッグコミック」「ビッグコミックオリジナル」のマンガが基本無料で試し読みできます。

Meta tags

Title
ビッコミ（ビッグコミックス） | いつも、どこでも、漫画と。
Description
小学館・青年漫画誌5誌のWeb漫画サイト『ビッコミ』。「週刊ビッグコミックスピリッツ」「月刊！スピリッツ」「ビッグコミックスペリオール」「ビッグコミック」「ビッグコミックオリジナル」のマンガが基本無料で試し読みできます。
Canonical
https://bigcomics.jp
Language
ja
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
ビッコミ（ビッグコミックス） | いつも、どこでも、漫画と。
og:description
小学館・青年漫画誌5誌のWeb漫画サイト『ビッコミ』。「週刊ビッグコミックスピリッツ」「月刊！スピリッツ」「ビッグコミックスペリオール」「ビッグコミック」「ビッグコミックオリジナル」のマンガが基本無料で試し読みできます。
og:type
website
og:url
—

Twitter Card

twitter:card
summary_large_image
twitter:title
ビッコミ（ビッグコミックス） | いつも、どこでも、漫画と。
twitter:description
小学館・青年漫画誌5誌のWeb漫画サイト『ビッコミ』。「週刊ビッグコミックスピリッツ」「月刊！スピリッツ」「ビッグコミックスペリオール」「ビッグコミック」「ビッグコミックオリジナル」のマンガが基本無料で試し読みできます。

Technologies

Detected frameworks, languages, and tools.

Next.jsGoogle AnalyticsGoogle AdsMeta PixelTikTok Pixel

Hosting & CDN

Hosting provider
—
CDN provider
CloudFront
IP address
—
ASN
—

DNS records

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

TLS / SSL certificate

Version
TLS 1.3
Issuer
Amazon
Subject
bigcomics.jp
Valid from
Nov 25, 2025
Valid to
Dec 24, 2026
Days until expiry
140
SAN domains
bigcomics.jp

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 23 · H3 0

Links

76 internal · 11 external · 0 broken

Images

114 total · 16 missing alt

Scripts / Styles

144 scripts · 12 stylesheets

JS / CSS size

986 KB · 1.1 KB

Page size

294 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
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://bigcomics.jp
Final URL
https://bigcomics.jp
HTTP status
200
HTTP version
HTTP/2
Response time
562 ms
HTML size
294 KB
Redirect chain
https://bigcomics.jp

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Frequently asked questions

What technology does bigcomics.jp use?
bigcomics.jp is built with Next.js, Google Analytics, Google Ads, Meta Pixel, TikTok Pixel.
Is bigcomics.jp secure (HTTPS)?
Yes. bigcomics.jp uses TLS 1.3 with a certificate issued by Amazon, valid until Dec 24, 2026.
Who hosts bigcomics.jp?
Hosting provider information for bigcomics.jp is not available yet.
What is bigcomics.jp's SEO score?
bigcomics.jp scored 70/100 for SEO in the latest analysis (fair).
What is bigcomics.jp's overall website score?
bigcomics.jp has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
Has bigcomics.jp's score changed over time?
bigcomics.jp's overall score has stayed steady at 85/100 since Jul 26, 2026.