marathon.tokyo
トップページ | 東京マラソン2027
Last scanned Aug 24, 2026, 1:23 PM
Overall score
Fair
Summary
「東京がひとつになる日。」東京マラソン2027の大会公式ウェブサイトです。コースマップ、エントリー情報などご確認いただけます。. This website uses Apache hosted on AWS behind CloudFront CDN. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores good (80/100) and performance good (80/100). Top issue: Meta description longer than 160 characters.
「東京がひとつになる日。」東京マラソン2027の大会公式ウェブサイトです。コースマップ、エントリー情報などご確認いただけます。
- United States
- Hosted on AWS
Top issues to fix
8 issues found · 3 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.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
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
6 issue(s) found
Performance
303 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- トップページ | 東京マラソン2027
- Description
- 「東京がひとつになる日。」東京マラソン2027の大会公式ウェブサイトです。コースマップ、エントリー情報などご確認いただけます。
- Canonical
- Language
- ja
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AWS
- CDN provider
- CloudFront
- IP address
- 13.227.249.14
- ASN
- AS16509 (AMAZON-02 - Amazon.com, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS |
|
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Amazon
- Subject
- marathon.tokyo
- Valid from
- Aug 11, 2026
- Valid to
- Feb 24, 2027
- Days until expiry
- 183
- SAN domains
- marathon.tokyo, *.marathon.tokyo
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 3
Links
107 internal · 148 external · 0 broken
Images
237 total · 3 missing alt
Scripts / Styles
29 scripts · 8 stylesheets
JS / CSS size
987 KB · 227 KB
Page size
327 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
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://marathon.tokyo
- Final URL
- https://www.marathon.tokyo/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 297 ms
- HTML size
- 327 KB
- Redirect chain
- https://marathon.tokyo → https://www.marathon.tokyo/
See something wrong on this report? Request a correction
Related websites
Same technology stack
ezit.hu
EZIT - Magyar Hosting
tarhelypark.hu
Magyar Hosting - Megbízható domain és tárhelyszolgáltatás
htmedia.in
HT Media: India's Leading Print & Digital Media Company
simplepay.hu
SimplePay - Széleskörű fizetési megoldások
edgewood.edu
Home - Edgewood University
reva.edu.in
Top Private University in Bangalore, Karnataka | REVA University
Same hosting provider
gambitco.io
Gambit · We put AI to work
clubhouseinn.com
Welcome To ClubHouse | ClubHouse Hotel & Suites
ashbyprd.com
All-in-one Recruiting Software for Ambitious Teams | Ashby
mailroute.net
MailRoute — Cloud Email Security & Threat Protection
relive.com
Relive | Run, Ride, Hike & more
cyware.com
Cyware - AI-Powered Threat Intelligence Platform | Home
Frequently asked questions
- What technology does marathon.tokyo use?
- marathon.tokyo is built with jQuery, Google Analytics, Google Ads, Meta Pixel, Apache.
- Is marathon.tokyo secure (HTTPS)?
- Yes. marathon.tokyo uses TLS 1.3 with a certificate issued by Amazon, valid until Feb 24, 2027.
- Who hosts marathon.tokyo?
- marathon.tokyo is hosted on AWS, behind CloudFront CDN.
- What is marathon.tokyo's SEO score?
- marathon.tokyo scored 60/100 for SEO in the latest analysis (fair).
- What is marathon.tokyo's overall website score?
- marathon.tokyo has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card