What technology does viaf.org use?

viaf.org is built with Next.js.

Is viaf.org secure (HTTPS)?

Yes. viaf.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 23, 2026.

Hosting provider information for viaf.org is not available yet.

What is viaf.org's SEO score?

viaf.org scored 60/100 for SEO in the latest analysis (fair).

What is viaf.org's overall website score?

viaf.org has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.

viaf.org

VIAF

Last scanned Jul 26, 2026, 5:47 AM

Overall score

Fair

Summary

The VIAF® (Virtual International Authority File) combines multiple name authority files into a single OCLC-hosted name authority service. This website uses Next.js behind Cloudflare CDN. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: Missing canonical link.

The VIAF® (Virtual International Authority File) combines multiple name authority files into a single OCLC-hosted name authority service.

Top issues to fix

12 issues found · 3 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.
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.
1 cookie 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.

+6 more issues — details in the sections below.

SEO

6 issue(s) found

Performance

1.29 s

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.

The VIAF® (Virtual International Authority File) combines multiple name authority files into a single OCLC-hosted name authority service.

Contact

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

Email: bibchange@oclc.org

Meta tags

Title: VIAF
Description: The VIAF® (Virtual International Authority File) combines multiple name authority files into a single OCLC-hosted name authority service.
Canonical
Language: en
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Next.js

Hosting & CDN

Hosting provider: —
CDN provider: Cloudflare
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: Google Trust Services
Subject: viaf.org
Valid from: Jul 24, 2026
Valid to: Oct 23, 2026
Days until expiry: 86
SAN domains: viaf.org, *.viaf.org

Security headers

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

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

58 internal · 5 external · 1 broken

Images

58 total · 0 missing alt

Scripts / Styles

35 scripts · 1 stylesheets

JS / CSS size

30.3 KB · 151 KB

Page size

242 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 H1 heading found
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://viaf.org
Final URL: https://viaf.org/en
HTTP status: 200
HTTP version: HTTP/2
Response time: 1.28 s
HTML size: 242 KB
Redirect chain: https://viaf.org → https://viaf.org/en

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does viaf.org use?: viaf.org is built with Next.js.
Is viaf.org secure (HTTPS)?: Yes. viaf.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 23, 2026.
Who hosts viaf.org?: Hosting provider information for viaf.org is not available yet.
What is viaf.org's SEO score?: viaf.org scored 60/100 for SEO in the latest analysis (fair).
What is viaf.org's overall website score?: viaf.org has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.

Top issues to fix

Organization

Contact

Meta tags

OpenGraph & Twitter Card

Technologies

Hosting & CDN

DNS records

TLS / SSL certificate

Security headers

Content & assets

Robots.txt & Sitemap

SEO issues

Accessibility issues

Scan details

Related websites

Frequently asked questions