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SGSiteGraph

zfin.org

ZFIN The Zebrafish Information Network

Last scanned Jul 27, 2026, 1:43 PM · 1 view

76

Overall score

Fair

Summary

This website uses Nginx hosted on UONET - University of Oregon, US. SEO is fair (55/100) and accessibility is fair (60/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.

United States
Hosted on UONET - University of Oregon, US

Top issues to fix

9 issues found · 4 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 meta description

    SEO

    Add a ~150-character meta description to control your search-result snippet and lift click-through rate.

  • 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.

  • Over half of images are missing alt text

    Accessibility

    Add alt attributes to images — screen readers depend on them, and they help image SEO.

  • 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.

+3 more issues — details in the sections below.

55

SEO

6 issue(s) found

100

Performance

509 ms

90

Security

HTTPS & header checks

60

Accessibility

2 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.

Contact

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

Meta tags

Title
ZFIN The Zebrafish Information Network
Description
Canonical
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
og:description
og:type
og:url

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

CDN provider
IP address
184.171.92.30
ASN
AS3582 (UONET - University of Oregon, US)

DNS records

TypeValue
A
  • 184.171.92.30
AAAA
MX
  • mxa-000bfd01.gslb.pphosted.com
  • mxb-000bfd01.gslb.pphosted.com
TXT
  • v=spf1 ip4:184.171.92.30 ip4:184.171.92.31 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:spf.protection.outlook.com mx ~all
  • google-site-verification=n4fYM_71A_CQ6IP9bi9prOPHab2S2jTQi0JBmMjQqk0
NS
  • ruminant.uoregon.edu
  • phloem.uoregon.edu
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Internet2
Subject
zfin.org
Valid from
Dec 3, 2025
Valid to
Dec 3, 2026
Days until expiry
129
SAN domains
zfin.org, *.zfin.org

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

32 internal · 47 external · 2 broken

Images

5 total · 4 missing alt

Scripts / Styles

9 scripts · 2 stylesheets

JS / CSS size

429 KB · 291 KB

Page size

57.2 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
39
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing meta description
  • Missing canonical link
  • No H1 heading found
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags
  • sitemap.xml not found

Accessibility issues

  • Over half of images are missing alt text
  • No H1 heading found

Scan details

Requested URL
https://zfin.org
Final URL
https://zfin.org
HTTP status
200
HTTP version
HTTP/2
Response time
508 ms
HTML size
57.2 KB
Redirect chain
https://zfin.org

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Frequently asked questions

What technology does zfin.org use?
zfin.org is built with jQuery, Google Analytics, Nginx.
Is zfin.org secure (HTTPS)?
Yes. zfin.org uses TLS 1.3 with a certificate issued by Internet2, valid until Dec 3, 2026.
Who hosts zfin.org?
zfin.org is hosted on UONET - University of Oregon, US.
What is zfin.org's SEO score?
zfin.org scored 55/100 for SEO in the latest analysis (fair).
What is zfin.org's overall website score?
zfin.org has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.