What technology does edumap.jp use?

edumap.jp is built with Bootstrap, jQuery, Nginx.

Is edumap.jp secure (HTTPS)?

Yes. edumap.jp uses TLS 1.3 with a certificate issued by Japan Registry Services Co., Ltd., valid until Jan 31, 2027.

Hosting provider information for edumap.jp is not available yet.

What is edumap.jp's SEO score?

edumap.jp scored 50/100 for SEO in the latest analysis (fair).

What is edumap.jp's overall website score?

edumap.jp has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.

edumap.jp

学校向けウェブサイトCMSならedumap - 原則無料でホームページ作成・運用（SaaS）

Last scanned Aug 24, 2026, 1:23 PM

Overall score

Fair

Summary

edumap（エデュマップ）は、学校向けのウェブサイトCMSです。原則無償で利用でき、サーバ管理が不要なSaaS型サービスとして安全かつ簡単に運用できます。一般社団… This website uses Nginx. SEO is fair (50/100) and accessibility is fair (60/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.

edumap（エデュマップ）は、学校向けのウェブサイトCMSです。原則無償で利用でき、サーバ管理が不要なSaaS型サービスとして安全かつ簡単に運用できます。一般社団法人教育のための科学研究所（S4E）とさくらインターネットによるプロジェクトです。

Top issues to fix

11 issues found · 3 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEO
Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Over half of images are missing alt text
Accessibility
Add alt attributes to images — screen readers depend on them, and they help image SEO.
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.
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.

+5 more issues — details in the sections below.

SEO

8 issue(s) found

100

Performance

338 ms

Security

HTTPS & header checks

Accessibility

2 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.

Meta tags

Title: 学校向けウェブサイトCMSならedumap - 原則無料でホームページ作成・運用（SaaS）
Description: edumap（エデュマップ）は、学校向けのウェブサイトCMSです。原則無償で利用でき、サーバ管理が不要なSaaS型サービスとして安全かつ簡単に運用できます。一般社団法人教育のための科学研究所（S4E）とさくらインターネットによるプロジェクトです。
Canonical
Language: ja
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta: index,follow
Manifest

Technologies

Detected frameworks, languages, and tools.

Bootstrap jQuery Nginx

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: —
ASN: —

DNS records

Type	Value
A	—
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Japan Registry Services Co., Ltd.
Subject: *.edumap.jp
Valid from: Jan 5, 2026
Valid to: Jan 31, 2027
Days until expiry: 159
SAN domains: *.edumap.jp, edumap.jp

Security headers

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

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 0 · H2 3 · H3 0

Links

19 internal · 36 external · 0 broken

Images

39 total · 25 missing alt

Scripts / Styles

29 scripts · 21 stylesheets

JS / CSS size

70.9 KB · 3.9 KB

Page size

101 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
Missing canonical link
No H1 heading found
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://edumap.jp
Final URL: https://edumap.jp
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 336 ms
HTML size: 101 KB
Redirect chain: https://edumap.jp

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does edumap.jp use?: edumap.jp is built with Bootstrap, jQuery, Nginx.
Is edumap.jp secure (HTTPS)?: Yes. edumap.jp uses TLS 1.3 with a certificate issued by Japan Registry Services Co., Ltd., valid until Jan 31, 2027.
Who hosts edumap.jp?: Hosting provider information for edumap.jp is not available yet.
What is edumap.jp's SEO score?: edumap.jp scored 50/100 for SEO in the latest analysis (fair).
What is edumap.jp's overall website score?: edumap.jp has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.