What technology does studysapuri.jp use?

studysapuri.jp is built with Next.js, Google Analytics, Google Ads, Meta Pixel, Nginx.

Is studysapuri.jp secure (HTTPS)?

Yes. studysapuri.jp uses TLS 1.3 with a certificate issued by Amazon, valid until Nov 17, 2026.

Who hosts studysapuri.jp?

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

What is studysapuri.jp's SEO score?

studysapuri.jp scored 70/100 for SEO in the latest analysis (fair).

What is studysapuri.jp's overall website score?

studysapuri.jp has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.

Has studysapuri.jp's score changed over time?

studysapuri.jp's overall score has stayed steady at 82/100 since Jul 26, 2026.

studysapuri.jp

【公式】スタディサプリ｜大人の英語も、受験勉強も。

Last scanned Aug 5, 2026, 8:00 PM · 6 views

Overall score

Great

Summary

小中高校生向けに、4万本以上のプロ講師の授業動画が見放題！分かりやすいと評判の「神授業」だから短時間でギュッと効率的に成績アップが目指せる！塾や予備… This website uses Next.js behind CloudFront CDN. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.

小中高校生向けに、4万本以上のプロ講師の授業動画が見放題！分かりやすいと評判の「神授業」だから短時間でギュッと効率的に成績アップが目指せる！塾や予備校・通信教育を圧倒的に下回る料金でご提供します。

Top issues to fix

9 issues found · 2 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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.

+3 more issues — details in the sections below.

SEO

5 issue(s) found

100

Performance

332 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

0 overall since Jul 26, 2026

Overall: 82
SEO: 70
Security: 65
Performance: 100
Accessibility: 100

Organization

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

X (Twitter)YouTube

Meta tags

Title: 【公式】スタディサプリ｜大人の英語も、受験勉強も。
Description: 小中高校生向けに、4万本以上のプロ講師の授業動画が見放題！分かりやすいと評判の「神授業」だから短時間でギュッと効率的に成績アップが目指せる！塾や予備校・通信教育を圧倒的に下回る料金でご提供します。
Canonical: https://studysapuri.jp/
Language: ja
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta: index
Manifest

Technologies

Detected frameworks, languages, and tools.

Next.js Google Analytics Google Ads Meta Pixel Nginx

Hosting & CDN

Hosting provider: —
CDN provider: CloudFront
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: Amazon
Subject: studysapuri.jp
Valid from: Oct 19, 2025
Valid to: Nov 17, 2026
Days until expiry: 104
SAN domains: studysapuri.jp

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyMissing
X-Frame-OptionsMissing
X-Content-Type-OptionsMissing
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 6 · H3 0

Links

45 internal · 55 external · 0 broken

Images

25 total · 1 missing alt

Scripts / Styles

83 scripts · 2 stylesheets

JS / CSS size

1001 KB · 17.5 KB

Page size

136 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
No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://studysapuri.jp
Final URL: https://studysapuri.jp
HTTP status: 200
HTTP version: HTTP/2
Response time: 330 ms
HTML size: 136 KB
Redirect chain: https://studysapuri.jp

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Frequently asked questions

What technology does studysapuri.jp use?: studysapuri.jp is built with Next.js, Google Analytics, Google Ads, Meta Pixel, Nginx.
Is studysapuri.jp secure (HTTPS)?: Yes. studysapuri.jp uses TLS 1.3 with a certificate issued by Amazon, valid until Nov 17, 2026.
Who hosts studysapuri.jp?: Hosting provider information for studysapuri.jp is not available yet.
What is studysapuri.jp's SEO score?: studysapuri.jp scored 70/100 for SEO in the latest analysis (fair).
What is studysapuri.jp's overall website score?: studysapuri.jp has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
Has studysapuri.jp's score changed over time?: studysapuri.jp's overall score has stayed steady at 82/100 since Jul 26, 2026.