Is pdbj.org secure (HTTPS)?

Yes. pdbj.org uses TLS 1.3 with a certificate issued by SECOM Trust Systems Co., Ltd., valid until Dec 25, 2026.

pdbj.org is hosted on ODINS - Osaka University, JP.

What is pdbj.org's SEO score?

pdbj.org scored 75/100 for SEO in the latest analysis (fair).

What is pdbj.org's overall website score?

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

pdbj.org

PDBj top page - Protein Data Bank Japan

Last scanned Jul 26, 2026, 5:47 AM

Overall score

Great

Summary

PDBj maintains the single global PDB/BMRB/EMDB archives of macromolecular structures and provides integrated tools for searching & analyzing PDB data. This website uses Nginx hosted on ODINS - Osaka University, JP. SEO is good (75/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (100/100). Top issue: No H1 heading found.

PDBj maintains the single global PDB/BMRB/EMDB archives of macromolecular structures and provides integrated tools for searching & analyzing PDB data

Japan

Hosted on ODINS - Osaka University, JP

Top issues to fix

7 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.
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.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEO
Add og:title/og:description/og:image so shared links render a proper preview card.

+1 more issue — details in the sections below.

SEO

3 issue(s) found

100

Performance

326 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.

PDBj maintains the single global PDB/BMRB/EMDB archives of macromolecular structures and provides integrated tools for searching & analyzing PDB data

Facebook X (Twitter)YouTube

Contact

Email, phone, and address published on this site's own pages.

Source: https://pdbj.org/news/ImprovedOneDep_3DED

Meta tags

Title: PDBj top page - Protein Data Bank Japan
Description: PDBj maintains the single global PDB/BMRB/EMDB archives of macromolecular structures and provides integrated tools for searching & analyzing PDB data
Canonical: https://pdbj.org/
Language: en
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Nginx

Hosting & CDN

Hosting provider: ODINS - Osaka University, JP
CDN provider: —
IP address: 133.1.158.177
ASN: AS4730 (ODINS - Osaka University, JP)

DNS records

Type	Value
A	133.1.158.177
AAAA	—
MX	mail1.pdbj.org
TXT	v=spf1 +ip4:133.1.158.162 +ip4:133.1.158.163 +ip4:133.1.158.165 +ip4:133.1.158.166 +ip4:133.1.158.167 +ip4:133.1.158.168 +ip4:133.1.158.169 +ip4:133.1.158.173 +ip4:133.1.158.176 +ip4:133.1.158.178 +ip4:202.223.247.164 +ip4:202.223.247.173 +ip4:202.223.247.175 +ip4:202.223.247.177 -all
NS	ns1.pdbj.org 2nd.dnsv.jp
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: SECOM Trust Systems Co., Ltd.
Subject: pdbj.org
Valid from: Jun 10, 2026
Valid to: Dec 25, 2026
Days until expiry: 151
SAN domains: pdbj.org, www.pdbj.org

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 5

Links

69 internal · 33 external · 4 broken

Images

34 total · 0 missing alt

Scripts / Styles

4 scripts · 0 stylesheets

JS / CSS size

3.9 KB · 30.9 KB

Page size

66.1 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 3
sitemap.xml: Found
URLs in sitemap: 1481

SEO issues

No H1 heading found
No structured data (JSON-LD) found
Missing OpenGraph tags

Scan details

Requested URL: https://pdbj.org
Final URL: https://pdbj.org
HTTP status: 200
HTTP version: HTTP/2
Response time: 325 ms
HTML size: 66.1 KB
Redirect chain: https://pdbj.org

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does pdbj.org use?: pdbj.org is built with Nginx.
Is pdbj.org secure (HTTPS)?: Yes. pdbj.org uses TLS 1.3 with a certificate issued by SECOM Trust Systems Co., Ltd., valid until Dec 25, 2026.
Who hosts pdbj.org?: pdbj.org is hosted on ODINS - Osaka University, JP.
What is pdbj.org's SEO score?: pdbj.org scored 75/100 for SEO in the latest analysis (fair).
What is pdbj.org's overall website score?: pdbj.org has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.