What technology does seesaa.jp use?

seesaa.jp is built with jQuery, Google Analytics.

Is seesaa.jp secure (HTTPS)?

Yes. seesaa.jp uses TLS 1.3 with a certificate issued by Amazon, valid until Nov 5, 2026.

seesaa.jp is hosted on AWS, behind CloudFront CDN.

What is seesaa.jp's SEO score?

seesaa.jp scored 75/100 for SEO in the latest analysis (fair).

What is seesaa.jp's overall website score?

seesaa.jp has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.

seesaa.jp

Seesaa - サービス一覧

Last scanned Jul 26, 2026, 11:49 AM

Overall score

Great

Summary

株式会社したらばは、Seesaaブログをはじめさまざまなサービスを運営。今後も新しいサービスを提供します。. This website uses Google Analytics hosted on AWS behind CloudFront CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing canonical link.

株式会社したらばは、Seesaaブログをはじめさまざまなサービスを運営。今後も新しいサービスを提供します。

United States

Hosted on AWS

Top issues to fix

8 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.
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.

+2 more issues — details in the sections below.

SEO

4 issue(s) found

100

Performance

97 ms

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.

株式会社したらばは、Seesaaブログをはじめさまざまなサービスを運営。今後も新しいサービスを提供します。

Meta tags

Title: Seesaa - サービス一覧
Description: 株式会社したらばは、Seesaaブログをはじめさまざまなサービスを運営。今後も新しいサービスを提供します。
Canonical
Language: ja
Charset: UTF-8
Viewport: width=device-width, initial-scale=1
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

jQuery Google Analytics

Hosting & CDN

Hosting provider: AWS
CDN provider: CloudFront
IP address: 3.160.188.34
ASN: AS16509 (AMAZON-02 - Amazon.com, Inc., US)

DNS records

Type	Value
A	3.160.188.34 3.160.188.26 3.160.188.18 3.160.188.58
AAAA	—
MX	mail.seesaa.jp
TXT	nvsl666mpf8mbnyp5cf4plx3wx0y5hxx v=spf1 include:_spf.seesaa.jp ~all google-site-verification=YeESctVjn00RVs7oxQVcZDWda1DXRyN-M3S6GJCHonk
NS	ns-1946.awsdns-51.co.uk ns-1296.awsdns-34.org ns-250.awsdns-31.com ns-953.awsdns-55.net
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Amazon
Subject: seesaa.jp
Valid from: Apr 22, 2026
Valid to: Nov 5, 2026
Days until expiry: 100
SAN domains: seesaa.jp, www.seesaa.jp, www2.seesaa.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 1 · H3 2

Links

1 internal · 5 external · 0 broken

Images

5 total · 0 missing alt

Scripts / Styles

5 scripts · 2 stylesheets

JS / CSS size

92.9 KB · 12.3 KB

Page size

3.5 KB

Robots.txt & Sitemap

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

SEO issues

Missing canonical link
No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://seesaa.jp
Final URL: https://seesaa.jp
HTTP status: 200
HTTP version: HTTP/2
Response time: 97 ms
HTML size: 3.5 KB
Redirect chain: https://seesaa.jp

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