What technology does paiza.jp use?

paiza.jp is built with Ruby on Rails, Google Analytics, Nginx.

Is paiza.jp secure (HTTPS)?

Yes. paiza.jp uses TLS 1.3 with a certificate issued by Amazon, valid until Jan 15, 2027.

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

What is paiza.jp's SEO score?

paiza.jp scored 55/100 for SEO in the latest analysis (fair).

What is paiza.jp's overall website score?

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

paiza.jp

paiza｜学びをキャリアに。プログラミング学習から就活・転職まで

Last scanned Jul 26, 2026, 5:47 AM

Overall score

Great

Summary

プログラミング学習からスキルチェックで実力を可視化し、就活・転職まで一貫して支援。ITエンジニア・ITキャリアを目指す方に向けて、スカウトが届き、あなた… This website uses Nginx. SEO is fair (55/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.

プログラミング学習からスキルチェックで実力を可視化し、就活・転職まで一貫して支援。ITエンジニア・ITキャリアを目指す方に向けて、スカウトが届き、あなたに合った求人に出会えるキャリア支援サービスです。

Top issues to fix

9 issues found · 2 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.
3 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.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.

+3 more issues — details in the sections below.

SEO

7 issue(s) found

100

Performance

140 ms

Security

HTTPS & header checks

Accessibility

1 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: paiza｜学びをキャリアに。プログラミング学習から就活・転職まで
Description: プログラミング学習からスキルチェックで実力を可視化し、就活・転職まで一貫して支援。ITエンジニア・ITキャリアを目指す方に向けて、スカウトが届き、あなたに合った求人に出会えるキャリア支援サービスです。
Canonical
Language: ja
Charset: utf-8
Viewport: width=device-width,initial-scale=1,shrink-to-fit=no
Robots meta: index, follow
Manifest

Technologies

Detected frameworks, languages, and tools.

Ruby on Rails Google Analytics 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: Amazon
Subject: *.paiza.jp
Valid from: Dec 17, 2025
Valid to: Jan 15, 2027
Days until expiry: 171
SAN domains: *.paiza.jp, paiza.jp

Security headers

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

Compression: gzip · 4 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

0 total · 0 missing alt

Scripts / Styles

17 scripts · 7 stylesheets

JS / CSS size

6.4 KB · 0 B

Page size

11.5 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
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://paiza.jp
Final URL: https://paiza.jp
HTTP status: 200
HTTP version: HTTP/2
Response time: 140 ms
HTML size: 11.5 KB
Redirect chain: https://paiza.jp

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does paiza.jp use?: paiza.jp is built with Ruby on Rails, Google Analytics, Nginx.
Is paiza.jp secure (HTTPS)?: Yes. paiza.jp uses TLS 1.3 with a certificate issued by Amazon, valid until Jan 15, 2027.
Who hosts paiza.jp?: Hosting provider information for paiza.jp is not available yet.
What is paiza.jp's SEO score?: paiza.jp scored 55/100 for SEO in the latest analysis (fair).
What is paiza.jp's overall website score?: paiza.jp has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.