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expasy.org

Expasy - SIB Swiss Institute of Bioinformatics

Last scanned Aug 3, 2026, 10:00 AM · 8 views

88

Overall score

Great

Summary

ExPASy is the SIB Swiss Institute of Bioinformatics resource portal providing access to over 160 scientific databases and software tools in genomics, proteomics, structural biology, evolution, and systems biology. This website uses PHP. SEO is good (75/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.

ExPASy — SIB Swiss Institute of Bioinformatics

ExPASy is the SIB Swiss Institute of Bioinformatics resource portal providing access to over 160 scientific databases and software tools in genomics, proteomics, structural biology, evolution, and systems biology.

Top issues to fix

6 issues found · 1 high priority

  • 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.

  • 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.

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

  • 20 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

75

SEO

4 issue(s) found

90

Performance

313 ms

100

Security

HTTPS & header checks

90

Accessibility

1 issue(s) found

Score history

-3 overall since Jul 26, 2026

Overall
88
SEO
75
Security
100
Performance
90
Accessibility
90

Organization

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

ExPASy — SIB Swiss Institute of Bioinformatics

ExPASy is the SIB Swiss Institute of Bioinformatics resource portal providing access to over 160 scientific databases and software tools in genomics, proteomics, structural biology, evolution, and systems biology.

Founded
Aug 1, 1993

Meta tags

Title
Expasy - SIB Swiss Institute of Bioinformatics
Description
ExPASy — free access to 160+ bioinformatics databases and tools including UniProtKB, SWISS-MODEL, STRING, and PROSITE. The SIB Swiss Institute of Bioinformatics resource portal since 1993.
Canonical
https://www.expasy.org
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
ExPASy — SIB Swiss Institute of Bioinformatics
og:description
Free access to 160+ bioinformatics databases and tools including UniProtKB, SWISS-MODEL, STRING, and PROSITE. The SIB resource portal since 1993.
og:type
website
og:url
https://www.expasy.org

Twitter Card

twitter:card
summary_large_image
twitter:title
ExPASy — SIB Swiss Institute of Bioinformatics
twitter:description
Free access to 160+ bioinformatics databases and tools including UniProtKB, SWISS-MODEL, STRING, and PROSITE. The SIB resource portal since 1993.

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
www.expasy.org
Valid from
Jul 21, 2026
Valid to
Oct 19, 2026
Days until expiry
76
SAN domains
au.expasy.org, bo.expasy.org, br.expasy.org, ca.expasy.org, ch.expasy.org, cn.expasy.org, expasy.ch, expasy.net, expasy.org, kr.expasy.org, tw.expasy.org, us.expasy.org, www.expasy.ch, www.expasy.net, www.expasy.org

Security headers

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

Compression: gzip · 3 cookie(s) observed

Content & assets

Headings

H1 0 · H2 3 · H3 178

Links

189 internal · 3 external · 20 broken

Images

3 total · 0 missing alt

Scripts / Styles

4 scripts · 1 stylesheets

JS / CSS size

1.4 KB · 0 B

Page size

474 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
  • No H1 heading found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://expasy.org
Final URL
https://www.expasy.org/
HTTP status
200
HTTP version
HTTP/2
Response time
304 ms
HTML size
474 KB
Redirect chain
https://expasy.org → https://www.expasy.org/

See something wrong on this report? Request a correction

Frequently asked questions

What technology does expasy.org use?
expasy.org is built with Laravel, PHP, Nginx.
Is expasy.org secure (HTTPS)?
Yes. expasy.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 19, 2026.
Who hosts expasy.org?
Hosting provider information for expasy.org is not available yet.
What is expasy.org's SEO score?
expasy.org scored 75/100 for SEO in the latest analysis (fair).
What is expasy.org's overall website score?
expasy.org has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
What company operates expasy.org?
expasy.org is operated by ExPASy — SIB Swiss Institute of Bioinformatics. ExPASy is the SIB Swiss Institute of Bioinformatics resource portal providing access to over 160 scientific databases and software tools in genomics, proteomics, structural biology, evolution, and systems biology.
Has expasy.org's score changed over time?
expasy.org's overall score has declined by 3 points (from 91 to 88) since Jul 26, 2026.