kodansha.com
KODANSHA CORPORATE SITE Inspire Impossible Stories
Last scanned Jul 22, 2026, 8:11 PM · 1 view
Overall score
Great
Summary
Welcome to KODANSHA’s corporate branding site. This website uses Google Analytics hosted on AWS behind CloudFront CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
Welcome to KODANSHA’s corporate branding site. Every day, we look to share the stories that inspire us with audiences around the world. Here, we seek to inspire the impossible.
- United States
- Hosted on AWS
Top issues to fix
8 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
318 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Welcome to KODANSHA’s corporate branding site. Every day, we look to share the stories that inspire us with audiences around the world. Here, we seek to inspire the impossible.
Meta tags
- Title
- KODANSHA CORPORATE SITE Inspire Impossible Stories
- Description
- Welcome to KODANSHA’s corporate branding site. Every day, we look to share the stories that inspire us with audiences around the world. Here, we seek to inspire the impossible.
- Canonical
- https://www.kodansha.com/index.html
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AWS
- CDN provider
- CloudFront
- IP address
- 18.172.78.2
- ASN
- AS16509 (AMAZON-02 - Amazon.com, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT |
|
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Amazon
- Subject
- kodansha.com
- Valid from
- Jan 1, 2026
- Valid to
- Jan 29, 2027
- Days until expiry
- 191
- SAN domains
- kodansha.com, *.kodansha.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 14 · H3 15
Links
19 internal · 11 external · 0 broken
Images
69 total · 0 missing alt
Scripts / Styles
13 scripts · 3 stylesheets
JS / CSS size
250 KB · 245 KB
Page size
40.1 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- 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.
Team
People listed on this site's own team or about page.
Yoshinobu Noma
（President of Kodansha Ltd.）
Takaya Matsuda
（Co-CEO of HERALBONY）
Fumito Matsuda
（Co-CEO of HERALBONY）
Scan details
- Requested URL
- https://kodansha.com
- Final URL
- https://www.kodansha.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 318 ms
- HTML size
- 40.1 KB
- Redirect chain
- https://kodansha.com → https://www.kodansha.com/
See something wrong on this report? Request a correction
Related websites
Same technology stack
sunoco.com
Fuel & Save with Sunoco Gas, Credit Cards & Rewards | Sunoco
txo.com
TXO - Transforming technology for a sustainable future
pq.com
PQ Corp. – Global Silicates and Silicas Provider
quago.io
Home - Quago
eco.com
Eco: The Stablecoin Network That Makes Money Programmable
datarobot.com
DataRobot | Unified Agent Workforce Platform for Enterprise
Same hosting provider
natural.com
Natural — Powering agentic payments
flippingbook.com
FlippingBook | Flipbook Maker for Digital Publishing
opera.com
Opera Web Browser | Faster, Safer, Smarter | Opera
hcg.com
Huron | Global Consulting for Healthcare, Education, Digital & More
eco.com
Eco: The Stablecoin Network That Makes Money Programmable
monaco.com
Monaco – The first revenue engine for startups
Frequently asked questions
- What technology does kodansha.com use?
- kodansha.com is built with jQuery, Google Analytics.
- Is kodansha.com secure (HTTPS)?
- Yes. kodansha.com uses TLS 1.3 with a certificate issued by Amazon, valid until Jan 29, 2027.
- Who hosts kodansha.com?
- kodansha.com is hosted on AWS, behind CloudFront CDN.
- What is kodansha.com's SEO score?
- kodansha.com scored 75/100 for SEO in the latest analysis (fair).
- What is kodansha.com's overall website score?
- kodansha.com has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card