bigsight.jp

東京ビッグサイト（東京国際展示場）

Last scanned Aug 5, 2026, 8:00 PM · 14 views

90

Overall score

Excellent

Summary

This website uses Google Analytics hosted on Fastly behind Fastly CDN. SEO is fair (65/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing meta description.

United States

Hosted on Fastly

Top issues to fix

5 issues found · 1 high priority

Missing meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEO
Add og:title/og:description/og:image so shared links render a proper preview card.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.

65

SEO

5 issue(s) found

100

Performance

496 ms

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+2 overall since Jul 26, 2026

Overall: 90
SEO: 65
Security: 100
Performance: 100
Accessibility: 100

Organization

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

X (Twitter)YouTube

Meta tags

Title: 東京ビッグサイト（東京国際展示場）
Description
Canonical
Language: ja
Charset: UTF-8
Viewport: width=device-width, initial-scale=1.0
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Google Analytics

Hosting & CDN

Hosting provider: Fastly
CDN provider: Fastly
IP address: 151.101.130.133
ASN: AS54113 (FASTLY - Fastly, Inc., US)

DNS records

Type	Value
A	151.101.130.133 151.101.66.133 151.101.194.133 151.101.2.133
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	bigsight-services.map.fastly.net
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.2
Issuer: SECOM Trust Systems Co., Ltd.
Subject: bigsight.jp
Valid from: Apr 2, 2026
Valid to: Oct 16, 2026
Days until expiry: 71
SAN domains: bigsight.jp, www.bigsight.jp

Security headers

Strict-Transport-SecurityEnabled
Content-Security-PolicyEnabled
X-Frame-OptionsEnabled
X-Content-Type-OptionsEnabled
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: none · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 2 · H3 3

Links

37 internal · 10 external · 0 broken

Images

46 total · 0 missing alt

Scripts / Styles

15 scripts · 2 stylesheets

JS / CSS size

290 KB · 251 KB

Page size

17.9 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Found
URLs in sitemap: 404

SEO issues

Missing meta description
Missing canonical link
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found

Scan details

Requested URL: https://bigsight.jp
Final URL: https://www.bigsight.jp/
HTTP status: 200
HTTP version: HTTP/2
Response time: 496 ms
HTML size: 17.9 KB
Redirect chain: https://bigsight.jp → https://www.bigsight.jp/

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Frequently asked questions

What technology does bigsight.jp use?: bigsight.jp is built with Google Analytics.
Is bigsight.jp secure (HTTPS)?: Yes. bigsight.jp uses TLS 1.2 with a certificate issued by SECOM Trust Systems Co., Ltd., valid until Oct 16, 2026.
Who hosts bigsight.jp?: bigsight.jp is hosted on Fastly, behind Fastly CDN.
What is bigsight.jp's SEO score?: bigsight.jp scored 65/100 for SEO in the latest analysis (fair).
What is bigsight.jp's overall website score?: bigsight.jp has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.
Has bigsight.jp's score changed over time?: bigsight.jp's overall score has improved by 2 points (from 88 to 90) since Jul 26, 2026.