What technology does sumitomo-chem.co.jp use?

sumitomo-chem.co.jp is built with Apache.

Is sumitomo-chem.co.jp secure (HTTPS)?

Yes. sumitomo-chem.co.jp uses TLS 1.2 with a certificate issued by DigiCert Inc, valid until Jan 23, 2027.

Who hosts sumitomo-chem.co.jp?

Hosting provider information for sumitomo-chem.co.jp is not available yet.

What is sumitomo-chem.co.jp's SEO score?

sumitomo-chem.co.jp scored 65/100 for SEO in the latest analysis (fair).

What is sumitomo-chem.co.jp's overall website score?

sumitomo-chem.co.jp has an overall SiteGraph score of 72/100, combining SEO, performance, security, and accessibility.

Has sumitomo-chem.co.jp's score changed over time?

sumitomo-chem.co.jp's overall score has improved by 1 point (from 71 to 72) since Jul 22, 2026.

sumitomo-chem.co.jp

住友化学株式会社

Last scanned Jul 30, 2026, 11:00 AM · 10 views

Overall score

Fair

Summary

住友化学株式会社のウェブサイトです。住友化学は、「化学の力」を基盤に開発した多岐にわたる製品の提供を通じ、人々の豊かな暮らしづくりに広く貢献してい�… This website uses Apache. SEO is fair (65/100) and accessibility is excellent (100/100). Security scores poor (40/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.

住友化学株式会社のウェブサイトです。住友化学は、「化学の力」を基盤に開発した多岐にわたる製品の提供を通じ、人々の豊かな暮らしづくりに広く貢献しています。

Top issues to fix

9 issues found · 1 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

+3 more issues — details in the sections below.

SEO

6 issue(s) found

Performance

1.44 s

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+1 overall since Jul 22, 2026

Overall: 72
SEO: 65
Security: 40
Performance: 90
Accessibility: 100

Organization

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

YouTube LinkedIn

Meta tags

Title: 住友化学株式会社
Description: 住友化学株式会社のウェブサイトです。住友化学は、「化学の力」を基盤に開発した多岐にわたる製品の提供を通じ、人々の豊かな暮らしづくりに広く貢献しています。
Canonical
Language: ja
Charset: utf-8
Viewport: width=device-width,initial-scale=1
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Apache

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 1.2
Issuer: DigiCert Inc
Subject: www.sumitomo-chem.co.jp
Valid from: Jul 9, 2026
Valid to: Jan 23, 2027
Days until expiry: 177
SAN domains: www.sumitomo-chem.co.jp

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 2 · H2 1 · H3 0

Links

72 internal · 8 external · 20 broken

Images

62 total · 0 missing alt

Scripts / Styles

20 scripts · 3 stylesheets

JS / CSS size

4.1 KB · 0 B

Page size

42.8 KB

Robots.txt & Sitemap

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

SEO issues

Meta description longer than 160 characters
Missing canonical link
Multiple H1 headings found
No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://sumitomo-chem.co.jp
Final URL: https://www.sumitomo-chem.co.jp/
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 1.44 s
HTML size: 42.8 KB
Redirect chain: https://sumitomo-chem.co.jp → https://www.sumitomo-chem.co.jp/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does sumitomo-chem.co.jp use?: sumitomo-chem.co.jp is built with Apache.
Is sumitomo-chem.co.jp secure (HTTPS)?: Yes. sumitomo-chem.co.jp uses TLS 1.2 with a certificate issued by DigiCert Inc, valid until Jan 23, 2027.
Who hosts sumitomo-chem.co.jp?: Hosting provider information for sumitomo-chem.co.jp is not available yet.
What is sumitomo-chem.co.jp's SEO score?: sumitomo-chem.co.jp scored 65/100 for SEO in the latest analysis (fair).
What is sumitomo-chem.co.jp's overall website score?: sumitomo-chem.co.jp has an overall SiteGraph score of 72/100, combining SEO, performance, security, and accessibility.
Has sumitomo-chem.co.jp's score changed over time?: sumitomo-chem.co.jp's overall score has improved by 1 point (from 71 to 72) since Jul 22, 2026.