Owl.purdue.edu - SEO Checker

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Overview of the SEO Check
Meta information
74% 
Page quality
57% 
Page structure
70% 
Link structure
92% 
Server
68% 
External factors
100% 
SEO Score
Response time
1.01 s
File size
27.80 kB
Words
343
Media files
5
Number of links
39 internal / 27 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Purdue OWL® - Purdue OWL® - Purdue University
There are word repetitions in the page title.
The length of the page title is perfect. (466 pixels out of 580 max pixel length)
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.owl.purdue.edu/index.html
The specified canonical link points to a different page.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
langen
Content-Typetext/html; charset=UTF-8
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
There are only 343 words on this page. Good pages should have about 800 words of useful content.
25.1% of the text are stop words.
The page contains a listing, which indicates a good text layout.
4 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 15 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 9 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 7 tags for this page.
Image SEO
(Somewhat important)
5 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
/images/icons/menu-white.svgNo alt attribute provided
/images/icons/menu.svgNo alt attribute provided
/images/icons/dropdown.svgNo alt attribute provided
/images/icons/laptop.svgNo alt attribute provided
/images/icons/university.svgNo alt attribute provided

Page structure

H1 heading
(Critically important)
Welcome to the Purdue OWL®
The H1 heading contains the words Welcome to! Use important keywords instead.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Welcome to the Purdue OWL®
H2 Popular Resources
H2 Suggested Resources
H2 Resources
H3 Communication
H3 Campus
H3 CLA Resources
H3 People
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are too many external links (27) on this page.

Found links on this page

LinkAttributesAnchor text
https://owl.purdue.edu/Anchor Skip to main content
https://www.purdue.edu/External Subdomain No Text
https://owl.purdue.edu/index.htmlPurdue OWL®
https://www.cla.purdue.edu/ind...External Subdomain College of Liberal Arts
/writinglab/index.htmlOn-Campus Writing Lab
/owl/index.htmlOnline Writing Lab
https://owl.purdue.edu/index.htmlHome
/research/index.htmlResearch
/research/index.htmlText duplicate Home
/research/writing_lab_usage_da...Writing Lab Usage
/research/writing_centers_rese...Writing Centers Research Project
/research/big_ten/index.htmlBig Ten Academic Alliance
/research/peer_institution_rep...Peer Institutions
/contact/index.htmlContact
/site_map.htmlSite Map
/owl/index.htmlText duplicate Online Writing Lab
/owl/research_and_citation/apa...APA Guide
/owl/research_and_citation/mla...MLA Guide
/owl/avoiding_plagiarism/index...Avoiding Plagiarism
/owl/job_search_writing/resume...Resume Guide
/writinglab/index.htmlText duplicate On-Campus Writing Lab
/writinglab/students/index.htmlStudent Info
/writinglab/faculty/index.htmlFaculty Info
https://cla.purdue.edu/wlscheduleNew window External Subdomain Make an Appointment
https://www.youtube.com/user/O...New window External Subdomain Purdue OWL® Vidcasts
/owl/research_and_citation/apa...APA Formatting and Style Guide
/owl/research_and_citation/mla...MLA Formatting and Style Guide
/owl/avoiding_plagiarism/index...Text duplicate Avoiding Plagiarism
/owl/subject_specific_writing/...Writing the Basic Business Letter
/owl/job_search_writing/resume...Developing a Résumé
/site_map.htmlText duplicate Site Map
/owl/resources/writing_instruc...Grades 7-12 Instructors and Students
/owl/multilingual/multilingual...English as a Second Language
/owl/resources/writing_instruc...Non-Purdue Instructors and Students
/owl/resources/writing_instruc...Purdue Instructors and Students
/owl/subject_specific_writing/...Professional Writers
/owl/resources/writing_instruc...Parents
https://one.purdue.edu/External Subdomain OneCampus Portal
https://purdue.brightspace.com/New window External Subdomain Brightspace
https://www.purdue.edu/boilerc...External Subdomain BoilerConnect
https://portal.office.com/External Subdomain Office 365
https://outlook.office.com/External Subdomain Outlook
https://mypurdue.purdue.edu/External Subdomain myPurdue
https://www.purdue.edu/purdue/...External Subdomain Faculty and Staff
https://www.purdue.edu/hr/External Subdomain Human Resources
https://www.purdue.edu/purdue/...External Subdomain Careers
https://www.purdue.edu/purdue/...External Subdomain Colleges and Schools
https://www.purdue.edu/directory/External Subdomain Directory
https://www.purdue.edu/campus-...External Subdomain Campus Map
https://www.cla.purdue.edu/aca...External Subdomain Academics
https://www.cla.purdue.edu/fac...External Subdomain CLA Faculty & Staff
https://www.cla.purdue.edu/res...External Subdomain Text duplicate Research
https://www.cla.purdue.edu/stu...External Subdomain Students
https://www.cla.purdue.edu/think/External Subdomain THiNK Magazine & News
https://owl.purdue.edu/Subdomain Text duplicate Online Writing Lab
https://www.cla.purdue.edu/abo...External Subdomain About Us
https://www.cla.purdue.edu/dea...External Subdomain Meet the Dean
https://www.cla.purdue.edu/alu...External Subdomain Alumni & Friends
https://www.cla.purdue.edu/stu...External Subdomain Student Excellence and Community
https://www.cla.purdue.edu/alu...External Subdomain Giving Questions
/contact/index.htmlContact Us
/writinglab/index.htmlNew window The On-Campus Writing Lab
/owl/index.htmlNew window The OWL at Purdue
https://www.purdue.edu/New window External Subdomain Purdue University
/owl/about_the_owl/owl_informa...New window our terms and conditions of fair use
/owl/privacy_notice.htmlNew window Privacy policy

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://owl.purdue.edu/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is slow (1.01 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
This page loads 5 CSS files. This may affect the page load time negatively.
This page loads 9 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (28 kB).

HTTP Response Header

NameValue
dateMon, 21 Jul 2025 21:20:15 GMT
last-modifiedTue, 20 May 2025 20:34:40 GMT
etag"6f0c-635972d855674-gzip"
accept-rangesbytes
varyAccept-Encoding
content-encodinggzip
content-length5261
connectionclose
content-typetext/html; charset=UTF-8
set-cookie146 Characters
strict-transport-securitymax-age=0
cache-controlno-cache
expires-1
statuscode200
http_versionHTTP/1.1

External factors

This website has excellent links from other websites.
This page has backlinks from 1,408 referring domains.
This page has 5,965 backlinks.
This page has backlinks from 1,139 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Crawl-delay: 3
Disallow: /~
Disallow: /pmm-templates/

#
# Discovery Park
#
#   Updated by Jakob Knigga (jknigga) 9/21/2017
#
Disallow: /discoverypark/bdmce/events/
Disallow: /discoverypark/bdmce/news/
Disallow: /discoverypark/bioscience/events/
Disallow: /discoverypark/bioscience/news/
Disallow: /discoverypark/birck/events/
Disallow: /discoverypark/birck/news/
Disallow: /discoverypark/c3bio/events/
Disallow: /discoverypark/c3bio/news/
Disallow: /discoverypark/caid/events/
Disallow: /discoverypark/caid/news/
Disallow: /discoverypark/climate/events/
Disallow: /discoverypark/climate/news/
Disallow: /discoverypark/drug-discovery/events/
Disallow: /discoverypark/drug-discovery/news/
Disallow: /discoverypark/energy/events/
Disallow: /discoverypark/energy/news/
Disallow: /discoverypark/environment/events/
Disallow: /discoverypark/environment/news/
Disallow: /discoverypark/food/events/
Disallow: /discoverypark/food/news/
Disallow: /discoverypark/igsdi/events/
Disallow: /discoverypark/igsdi/news/
Disallow: /discoverypark/nextrans/events/
Disallow: /discoverypark/nextrans/news/
Disallow: /discoverypark/pillars/integrative-neuroscience-center/events/
Disallow: /discoverypark/pillars/integrative-neuroscience-center/news/
Disallow: /discoverypark/pillars/pi4d/events/
Disallow: /discoverypark/pillars/pi4d/news/
Disallow: /discoverypark/ppri/events/
Disallow: /discoverypark/ppri/news/
Disallow: /discoverypark/rche/events/
Disallow: /discoverypark/rche/news/
Disallow: /discoverypark/vaccine/events/
Disallow: /discoverypark/vaccine/news/
Disallow: /discoverypark/wghi/events/
Disallow: /discoverypark/wghi/news/

#
# Gradschool
#
Disallow: /gradschool/gsdb/

#
# HHS
#
#    Updated by Lisa Stein 1/27/2017 - FP 764035
#
Disallow: /hhs/hdfs/r28j51xz/

#
# Vet
#
#    Updated by Osmar Lopez 5/29/2019 - FP 1114881
#
Disallow: /vet/application
Disallow: /vet/badges
Disallow: /vet/blocks
Disallow: /vet/building-directory
Disallow: /vet/campaign-emails
Disallow: /vet/courses
Disallow: /vet/ctr/files/documents/CTR-Research-Information.pdf
Disallow: /vet/ctr/files/documents/CTR-Translational-Research.pdf
Disallow: /vet/dvm/admissions/files/Insiders Guide.pdf
Disallow: /vet/dvmconnect
Disallow: /vet/epubs
Disallow: /vet/files/includes
Disallow: /vet/fileshare
Disallow: /vet/intranet
Disallow: /vet/pcop/videos
Disallow: /vet/scheduler
Disallow: /vet/secure
Disallow: /vet/sharepoint
Disallow: /vet/supportpvm
Disallow: /vet/sureshmittal
Disallow: /vet/test
Disallow: /vet/vtconnect
Disallow: /vet/vth/files/documents/181108-rDVM-Fall-Mailing.pdf

#   Updated by Wright Frazier 4/8/2020 - FP 1289068

Disallow: /vet/addl/covid19partners/

#
# Site Map
#
Sitemap: https://www.purdue.edu/sitemap.xml 
#
# Added College of Science sitemap.xml file per Nina Haghighi - FP 1719630
#
Sitemap: https://www.purdue.edu/science/sitemap.xml

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Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Purdue73%Check
OWL73%Check
Purdue OWL73%Check
Purdue University60%Check
Purdue OWL®50%Check
Welcome50%Check
Resources40%Check
Campus38%Check
CLA38%Check
Popular38%Check
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