Skip to main content
SGSiteGraph

convention.co.jp

JCS / 日本コンベンションサービス株式会社

Last scanned Jul 27, 2026, 4:43 PM

91

Overall score

Excellent

Summary

JCS（日本コンベンションサービス）は、国際会議・学術集会・企業イベント等の企画運営の他、通訳・翻訳・人材サービス・まちづくり事業等を展開するMICE業界の… This website uses Nginx hosted on AWS. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance good (80/100). Top issue: Meta description longer than 160 characters.

JCS（日本コンベンションサービス）は、国際会議・学術集会・企業イベント等の企画運営の他、通訳・翻訳・人材サービス・まちづくり事業等を展開するMICE業界のパイオニア。年間13,000超の案件を担当しています。

United States
Hosted on AWS

Top issues to fix

3 issues found

  • 2 cookies 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.

  • 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.

85

SEO

2 issue(s) found

80

Performance

1.25 s

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

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

JCS（日本コンベンションサービス）は、国際会議・学術集会・企業イベント等の企画運営の他、通訳・翻訳・人材サービス・まちづくり事業等を展開するMICE業界のパイオニア。年間13,000超の案件を担当しています。

YouTubeLinkedIn

Contact

Email, phone, and address published on this site's own pages.

Source: https://www.convention.co.jp/contact/

Meta tags

Title
JCS / 日本コンベンションサービス株式会社
Description
JCS（日本コンベンションサービス）は、国際会議・学術集会・企業イベント等の企画運営の他、通訳・翻訳・人材サービス・まちづくり事業等を展開するMICE業界のパイオニア。年間13,000超の案件を担当しています。
Canonical
https://www.convention.co.jp/
Language
ja-JP
Charset
UTF-8
Viewport
width=1160,user-scalable=yes
Robots meta
NOYDIR
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
JCS / 日本コンベンションサービス株式会社
og:description
JCS（日本コンベンションサービス）は、国際会議・学術集会・企業イベント等の企画運営の他、通訳・翻訳・人材サービス・まちづくり事業等を展開するMICE業界のパイオニア。年間13,000超の案件を担当しています。
og:type
website
og:url
https://www.convention.co.jp/

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

jQueryNginx

Hosting & CDN

Hosting provider
AWS
CDN provider
—
IP address
54.238.22.1
ASN
AS16509 (AMAZON-02 - Amazon.com, Inc., US)

DNS records

TypeValue
A
  • 54.238.22.1
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.2
Issuer
GlobalSign nv-sa
Subject
www.convention.co.jp
Valid from
Jul 7, 2026
Valid to
Jan 22, 2027
Days until expiry
178
SAN domains
www.convention.co.jp, convention.co.jp

Security headers

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

Compression: none · 3 cookie(s) observed

Content & assets

Headings

H1 1 · H2 3 · H3 0

Links

56 internal · 3 external · 0 broken

Images

35 total · 0 missing alt

Scripts / Styles

5 scripts · 2 stylesheets

JS / CSS size

211 KB · 327 KB

Page size

166 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
0
sitemap.xml
Found
URLs in sitemap
815

SEO issues

  • Meta description longer than 160 characters
  • No structured data (JSON-LD) found

Accessibility issues

No accessibility issues detected.

Careers

View careers page

This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.

Scan details

Requested URL
https://convention.co.jp
Final URL
https://www.convention.co.jp/
HTTP status
200
HTTP version
HTTP/1.1
Response time
1.25 s
HTML size
166 KB
Redirect chain
https://convention.co.jp → https://www.convention.co.jp/

See something wrong on this report? Request a correction

Related websites

Same technology stack

owncloud.com

ownCloud - share files and folders, easy and secure

100
wordpressnginxgoogle-analytics
kues-data - KUES DATA GmbH, DE

hallensteins.co.nz

Hallensteins | Menswear NZ

100
nginxphpjquery
Fastly· Fastly

foresee.com

Predictive Analytics for Customer Experience | Verint

100
wordpressnginxjquery
Fastly· Fastly

quago.io

Home - Quago

100
wordpressnginxgoogle-analytics

tec.mx

Inicio | Tecnológico de Monterrey

100
nginxdrupaljquery
INCAPSULA - Incapsula Inc, US· Fastly

owncloud.org

ownCloud - share files and folders, easy and secure

100
wordpressnginxgoogle-analytics
kues-data - KUES DATA GmbH, DE

Same hosting provider

chronoseconds.com

Chronoseconds | Buy & Sell Pre-Owned Luxury Watches

100
wordpressnextjsgoogle-analytics
AWS· Netlify

taronga.org.au

Taronga Conservation Society Australia | Taronga Zoo

100
AWS· Cloudflare

secureauth.com

SecureAuth | Continuous Identity Authority

100
google-analytics
AWS· Cloudflare

highereducation.com

Home - Higher Education

100
wordpressnextjs
AWS· Cloudflare

byside.com

Composable Digital Experience Platform | CoreMedia CMS

100
apachegoogle-analytics
AWS· CloudFront

surveyplanet.com

Free Online Survey Maker | Unlimited Surveys | Surveyplanet

100
google-analyticssvelte
AWS· CloudFront

Frequently asked questions

What technology does convention.co.jp use?
convention.co.jp is built with jQuery, Nginx.
Is convention.co.jp secure (HTTPS)?
Yes. convention.co.jp uses TLS 1.2 with a certificate issued by GlobalSign nv-sa, valid until Jan 22, 2027.
Who hosts convention.co.jp?
convention.co.jp is hosted on AWS.
What is convention.co.jp's SEO score?
convention.co.jp scored 85/100 for SEO in the latest analysis (great).
What is convention.co.jp's overall website score?
convention.co.jp has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
Is convention.co.jp hiring?
convention.co.jp has a careers page; check it directly for current openings.