purdue.edu
Purdue University
Last scanned Jul 29, 2026, 1:00 PM · 7 views
Overall score
Great
Summary
Purdue University is a world-renowned, public research university that advances discoveries in science, technology, engineering and math. This website uses WordPress. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: robots.txt not found.
Purdue University is a world-renowned, public research university that advances discoveries in science, technology, engineering and math.
Top issues to fix
8 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
4 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
2 issue(s) found
Performance
306 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+1 overall since Jul 18, 2026
- Overall
- 86
- SEO
- 90
- Security
- 65
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Purdue University is a world-renowned, public research university that advances discoveries in science, technology, engineering and math.
Contact
Email, phone, and address published on this site's own pages.
- Phone
- //7654944600
Meta tags
- Title
- Purdue University
- Description
- Purdue University is a world-renowned, public research university that advances discoveries in science, technology, engineering and math.
- Canonical
- https://www.purdue.edu/home/
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- max-snippet:-1,max-image-preview:large,max-video-preview:-1
- Manifest
- https://www.purdue.edu/home/wp-content/mu-plugins/boilerup-wp/favicon/manifest.json
Technologies
Detected frameworks, languages, and tools.
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 1.3
- Issuer
- InCommon, LLC
- Subject
- www.purdue.edu
- Valid from
- Jul 14, 2026
- Valid to
- Jan 28, 2027
- Days until expiry
- 183
- SAN domains
- www.purdue.edu, admission.purdue.edu, admissions.purdue.edu, alstar-internal.ceris.purdue.edu, alstar-pets.ceris.purdue.edu, anglerarchive.org, ansc.purdue.edu, approvedmethods.ceris.purdue.edu, apps.online.purdue.edu, arboretum.purdue.edu, atracsi.ceris.purdue.edu, beekeeper.ceris.purdue.edu, blogs.itap.purdue.edu, btny.purdue.edu, business.purdue.edu, businessplan.ceris.purdue.edu, care.purdue.edu, cdext.purdue.edu, cellwall.genomics.purdue.edu, cpsiccnexusworkshop2024.org, cyanosite.bio.purdue.edu, cyberbridges.org, cyto.ceris.purdue.edu, datamine.purdue.edu, dctools.it.purdue.edu, decision-support.ceris.purdue.edu, discover.online.purdue.edu, ecdre.ceris.purdue.edu, entm.purdue.edu, esports.purdue.edu, estebanfj.bio.purdue.edu, evbatteryportal.org, exed.purdue.edu, extension.entm.purdue.edu, fed.online.purdue.edu, fishatlas.org, globaleast.org, globalsoundscapes.org, gomeet.itap.purdue.edu, gradschool.purdue.edu, greatteacher.ceris.purdue.edu, hcdd.purdue.edu, hhs.purdue.edu, hlb-reon.org, honors.purdue.edu, hort.purdue.edu, hortcalc.ceris.purdue.edu, hothog.ceris.purdue.edu, i-hope.purdue.edu, indianagearup.org, iseb.ceris.purdue.edu, it.purdue.edu, itap.purdue.edu, jinsuh.business.purdue.edu, krannert.purdue.edu, leung.bio.purdue.edu, m2m.tech.purdue.edu, manfratsensors.physics.purdue.edu, midwestagrivoltaicsresilientcommunities.org, napis.ceris.purdue.edu, new.admissions.purdue.edu, new.business.purdue.edu, new.cco.purdue.edu, new.datamine.purdue.edu, new.honors.purdue.edu, new.it.purdue.edu, new.pcrd.purdue.edu, new.soilexplorer.net, new.vet.purdue.edu, new.www.purdue.edu, news.uns.purdue.edu, nomenclator.it.purdue.edu, nomenclator.itap.purdue.edu, nursery-inspection.ceris.purdue.edu, owl.purdue.edu, pathwaytopurdue.purdue.edu, pcrd.purdue.edu, pesttracker.org, polymers.centers.purdue.edu, purdue.edu, purdueplantdoctor.ceris.purdue.edu, purdueplantdoctor.com, recordtheearth.org, smas.purdue.edu, soilexplorer.net, soilsoft.ag.purdue.edu, spider.entm.purdue.edu, successnex.us, successnexus.org, surveyplanning.ceris.purdue.edu, sustainable.ceris.purdue.edu, twigaging.ceris.purdue.edu, vet.purdue.edu, www-cyanosite.bio.purdue.edu, www.admission.purdue.edu, www.admissions.purdue.edu, www.anglerarchive.org, www.ansc.purdue.edu, www.btny.purdue.edu, www.business.purdue.edu, www.care.purdue.edu, www.cdext.purdue.edu, www.cpsiccnexusworkshop2024.org, www.cyanosite.bio.purdue.edu, www.cyberbridges.org, www.datamine.purdue.edu, www.entm.purdue.edu, www.evbatteryportal.org, www.exed.purdue.edu, www.extension.entm.purdue.edu, www.fishatlas.org, www.globaleast.org, www.globalsoundscapes.org, www.gradschool.purdue.edu, www.hhs.purdue.edu, www.hlb-reon.org, www.honors.purdue.edu, www.hort.purdue.edu, www.i-hope.purdue.edu, www.indianagearup.org, www.irb.purdue.edu, www.it.purdue.edu, www.itap.purdue.edu, www.krannert.purdue.edu, www.m2m.tech.purdue.edu, www.midwestagrivoltaicsresilientcommunities.org, www.pathwaytopurdue.purdue.edu, www.pcrd.purdue.edu, www.pesttracker.org, www.picc.purdue.edu, www.purdueplantdoctor.com, www.recordtheearth.org, www.robotics.purdue.edu, www.smas.purdue.edu, www.soilexplorer.net, www.student-orgs.purdue.edu, www.successnex.us, www.successnexus.org, www.vet.purdue.edu, zebase.bio.purdue.edu
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 4 cookie(s) observed
Content & assets
Headings
H1 1 · H2 8 · H3 18
Links
52 internal · 33 external · 20 broken
Images
83 total · 0 missing alt
Scripts / Styles
16 scripts · 14 stylesheets
JS / CSS size
5.7 KB · 14.5 KB
Page size
141 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://purdue.edu
- Final URL
- https://purdue.edu
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 304 ms
- HTML size
- 141 KB
- Redirect chain
- https://purdue.edu
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Frequently asked questions
- What technology does purdue.edu use?
- purdue.edu is built with WordPress.
- Is purdue.edu secure (HTTPS)?
- Yes. purdue.edu uses TLS 1.3 with a certificate issued by InCommon, LLC, valid until Jan 28, 2027.
- Who hosts purdue.edu?
- Hosting provider information for purdue.edu is not available yet.
- What is purdue.edu's SEO score?
- purdue.edu scored 90/100 for SEO in the latest analysis (excellent).
- What is purdue.edu's overall website score?
- purdue.edu has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
- Has purdue.edu's score changed over time?
- purdue.edu's overall score has improved by 1 point (from 85 to 86) since Jul 18, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card