Lpl.arizona.edu - SEO Checker

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Overview of the SEO Check
Meta information
59% 
Page quality
87% 
Page structure
41% 
Link structure
60% 
Server
0% 
External factors
100% 
SEO Score
Response time
2.33 s
File size
76.90 kB
Words
635
Media files
16
Number of links
85 internal / 39 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Lunar and Planetary Laboratory & Department of Planetary Sciences | The University of Arizona
The page title should be shorter than 580 pixels. It is 855 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The Department of Planetary Sciences/Lunar and Planetary Laboratory is an academic institution that pursues scholarly research and education across the broad discipline of planetary and solar systems science.
The meta description is too long: 1302 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.lpl.arizona.edu/
There is a valid canonical link specified.
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
descriptionThe Department of Planetary Sciences/Lunar and Planetary Laboratory is an academic institution that pursues scholarly research and education across the broad discipline of planetary and solar systems science.
MobileOptimizedwidth
HandheldFriendlytrue
viewportwidth=device-width, initial-scale=1, shrink-to-fit=no
langen
twitter:cardsummary_large_image
twitter:descriptionThe Department of Planetary Sciences/Lunar and Planetary Laboratory is an academic institution that pursues scholarly research and education across the broad discipline of planetary and solar systems science.
twitter:imagehttps://www.lpl.arizona.edu/sites/default/files/LPL_ABBR.png
fb:app_id344934929240196
og:site_nameLunar and Planetary Laboratory & Department of Planetary Sciences | The University of Arizona
og:typewebsite
og:urlhttps://www.lpl.arizona.edu/home
og:descriptionThe Department of Planetary Sciences/Lunar and Planetary Laboratory is an academic institution that pursues scholarly research and education across the broad discipline of planetary and solar systems science.
og:imagehttps://www.lpl.arizona.edu/sites/default/files/LPL_ABBR.png
og:image:urlhttps://www.lpl.arizona.edu/sites/default/files/LPL_ABBR.png
og:image:secure_urlhttps://www.lpl.arizona.edu/sites/default/files/LPL_ABBR.png
og:image:typeimage/png
x-ua-compatibleie=edge
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 635 words. That's ok.
22.7% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
5 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 17.88 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 10 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1, shrink-to-fit=no" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 13 tags for this page.
Image SEO
(Somewhat important)
4 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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
.../ua_wordmark_line_logo_white_rgb.min.svgThe University of Arizona Wordmark Line Logo White
/themes/lpl_barrio/images/logo.pngLunar and Planetary Laboratory & Department of Planetary Sciences | The University of Arizona | Home
...3-10/LPL_Intro_V4.png.webp?itok=w16EpmS0No alt attribute provided
..._gradphoto_2024_0.jpg.webp?itok=-HGFrgauLPL grad photo 2024
..._SP19_white_sands.jpg.webp?itok=Uo-d_cSnGraduate
...rgraduate_adriana.jpg.webp?itok=EPShJbsKUndergraduate
...-08/PIA21751_orig.jpg.webp?itok=MXRS7tArPIA21751_orig
...ome_css_telescope.jpg.webp?itok=r7JbL7V0No alt attribute provided
...ry/osiris-rex-tag.jpg.webp?itok=COIq3BSDNo alt attribute provided
...y/Kuiper_Oct_2019.JPG.webp?itok=4ZnpxpeuNo alt attribute provided
...d_FY2024_12172024.JPG.webp?itok=v6I4AGMrView over city at A Mountain.
...tic_code_12122024.JPG.webp?itok=1ew-oLBZAI-generated illustration of Earth at the dawn of life
...rocesses_03182025.jpg.webp?itok=3Hx23MytEvolutionary stages of a hypothetical planetary system over time
...kamp_outreach_web.png.webp?itok=9LYNYHnQOutreach
/themes/lpl_barrio/images/logo_footer.pngCollege of Science
/themes/lpl_barrio/images/logo_lpl.pngLunar and Planetary Laboratory

Page structure

H1 heading
(Critically important)
Home
The H1 heading contains the words Home! Use important keywords instead.
Too many H1 headings
The H1 heading consists of only one word. There should be more information given.
The H1 heading is too short (4 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Home
H1 Explore Planetary and Solar Systems Science at LPL
H2 Utility Links
H2 Main navigation
H2 Welcome to the Lunar and Planetary Laboratory
H2 Hold the Date
H2 Fall 2025 Classes Begin
H2 LPL Colloquium: Dr. Tomás Díaz de la Rubia
H2 Labor Day - University Holiday
H2 Academic Programs at LPL
H2 Research Focus Areas
H2 Spacecraft Missions and Instrumentation
H2 What's happening at LPL
H2 Public Education and Outreach
H2 Footer - Main
H2 Information For
H2 Topics
H2 Resources
H2 Connect
H3 Graduate Program
H3 Undergraduate Minors
H3 Planetary Geosciences Major
H3 U of A Projects Research Expenditures Surpassed $1B for FY 2024, Joining a Select Group of US Research Institutions
H3 Study Sheds Light on Origin of Genetic Code
H3 Combination of Cosmic Processes Shapes the Size and Location of Sub-Neptunes
Some internal link anchor texts are too long.
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
3 links don't have an anchor text.
The number of internal links is ok.
There are too many external links (39) on this page.

Found links on this page

LinkAttributesAnchor text
https://www.lpl.arizona.edu/Anchor Skip to main content
https://www.arizona.edu/External Subdomain IMG-ALT The University of Arizona Wordmark Line Logo White
A-TITLE The University of Arizona homepage
https://www.lpl.arizona.edu/Subdomain IMG-ALT Lunar and Planetary Laboratory & Department of Planetary Sciences | The University of Arizona | Home
A-TITLE Lunar and Planetary Laboratory & Department of Planetary Sciences | The University of Arizona | Home
/crisis-emergencyCrisis/Emergency Info
https://intranet.lpl.arizona.edu/External Subdomain LPL Intranet
/supportSupport LPL
https://www.lpl.arizona.edu/home home
https://www.lpl.arizona.edu/Home
https://www.lpl.arizona.edu/aboutAbout LPL
/about/lpl-at-a-glanceLPL at a Glance
/about/ua-tucsonAbout UA & Tucson
/about/historyHistory of LPL
/about/contactContact Info/Maps
https://www.lpl.arizona.edu/newsLPL News
/news/newsletterNewsletter
/news/newsroomNewsroom
/news/spotlightLPL in the Spotlight
/news/pressUA LPL Press Releases
/calendarEvents Calendar
/calendar/outreachOutreach Events Calendar
/calendar/colloquiaDepartment Colloquia
/calendar/evening-lecturesEvening Lectures
/admissionsApply for Admission
/graduateGraduate Students
/undergraduateUndergraduate Students
https://spacegrant.arizona.edu/External Subdomain Arizona Space Grant
https://teachingteams.arizona....External Subdomain Teaching Teams
/alumniPTYS/LPL Alumni
/graduate/courses/fall/2025Subdomain Graduate Fall 2025 Schedule
/undergraduate/courses/fall/2025Subdomain Undergraduate Fall 2025 Schedule
/academics/teaching-schedulePTYS Projected Teaching Schedule
/researchResearch Focus Areas
/research/labsLaboratories
/libraryLPL Library
https://sic.lpl.arizona.edu/External Subdomain Space Imagery Center
/research/opportunitiesStudent Research Opportunities
/postdocSubdomain Postdoctoral Research
/research/publicationsRefereed Publications
https://www.lpl.arizona.edu/LPLC/Subdomain LPLC
https://astrobiology.arizona.edu/External Subdomain Arizona Astrobiology Center
https://space.arizona.edu/External Subdomain Arizona Space Institute
/missionsAll Missions
/missions?status=CurrentCurrent Mission Research
/missions?status=PastPast Mission Research
/outreachOutreach and Citizen Science
/calendar/outreachText duplicate Outreach Events Calendar
https://spacegrant.arizona.edu/External Subdomain Text duplicate Arizona Space Grant
https://www.lpl.arizona.edu/art/Subdomain The Art of Planetary Science (TAPS)
/solarsystemSubdomain Arizona Scale Model Solar System
/outreach/join-our-news-and-ev...Join our News and Events List
/outreach/request-speakerRequest a Speaker
/outreach/meteoritesMeteorites
/outreach/multimediaMultimedia Gallery
/directoryDirectory/Phonebook
/facultyFaculty
/research-scientistsResearch Scientists
/postdocsPostdoctoral Research Associates
/graduate/studentsText duplicate Graduate Students
https://www.lpl.arizona.edu/staffStaff Directory
/alumni/directoryAlumni Directory
/communityCommunity and Values
/community/non-discrimination-...Non-Discrimination Policies
/community/if-there-are-problemsIf there are problems
/community/resources-equity-is...Resources on Equity Issues
/community/planets-lplPLANETS-LPL
/community/other-resourcesOther Resources
https://www.lpl.arizona.edu/aboutLearn more about LPL
/events/fall-2025-classes-beginAll Day, Aug. 25, 2025 Fall 2025 Classes Begin
/events/lpl-colloquium-dr-toma...3:45 – 4:45 p.m., Aug. 26, 2025 LPL Colloquium: Dr. Tomás Díaz de la Rubia
/events/labor-day-university-h...All Day, Sept. 1, 2025 Labor Day - University Holiday
/calendarView all events on the calendar
A-TITLE View all events on the calendar
/admissionsSubdomain Learn about Graduate Admission
/graduateNo Text
/undergraduateNo Text
/undergraduate/planetary-geosNo Text
/researchView All Research Areas
/missions?status=CurrentView All Current Missions
/news/spotlight/u-projects-res...U of A Projects Research Expenditures Surpassed $1B for FY 2024, Joining a Select Group of US Research Institutions Read more at LPL Spotlights
IMG-ALT View over city at A Mountain.
/news/spotlight/study-sheds-li...Study Sheds Light on Origin of Genetic Code Read more at LPL Spotlights
IMG-ALT AI-generated illustration of Earth at the dawn of life
/news/spotlight/combination-co...Combination of Cosmic Processes Shapes the Size and Location of Sub-Neptunes Read more at LPL Spotlights
IMG-ALT Evolutionary stages of a hypothetical planetary system over time
/news/spotlightMore Spotlight Stories
/outreachView Outreach at LPL
/outreach/requestJoin the LPL Mailing List
https://science.arizona.edu/External Subdomain IMG-ALT College of Science
A-TITLE College of Science
https://cirt.arizona.edu/External Subdomain Emergency Information
https://www.arizona.edu/nondis...External Subdomain Nondiscrimination
https://safety.arizona.edu/External Subdomain Campus Safety
https://cirt.arizona.edu/ualertExternal Subdomain UAlert
https://www.arizona.edu/inform...External Subdomain Information Security & Privacy
https://www.arizona.edu/copyrightExternal Subdomain Copyright
https://www.arizona.edu/campus...External Subdomain Campus Accessibility
https://www.lpl.arizona.edu/Subdomain IMG-ALT Lunar and Planetary Laboratory
A-TITLE Lunar and Planetary Laboratory
/admissionsSubdomain Future Students
/graduateSubdomain Current Students
https://intranet.lpl.arizona.edu/External Subdomain Faculty & Research Staff
/postdoc/Subdomain Postdoctoral Researchers
/alumniSubdomain Alumni
/supportSubdomain Donors
https://intranet.lpl.arizona.edu/External Subdomain Text duplicate LPL Intranet
https://intranet.lpl.arizona.e...External Subdomain Academic Office
https://intranet.lpl.arizona.e...External Subdomain Business Office
https://intranet.lpl.arizona.e...External Subdomain IT Services
/about/contactSubdomain Contact Info and Maps
/communitySubdomain Text duplicate Community and Values
/research/labsSubdomain Text duplicate Laboratories
/librarySubdomain Library
https://sic.lpl.arizona.edu/External Subdomain Text duplicate Space Imagery Center
https://spacegrant.arizona.edu/External Subdomain Space Grant
https://teachingteams.arizona....External Subdomain Text duplicate Teaching Teams
https://www.arizona.edu/External Subdomain University of Arizona
https://directory.arizona.edu/External Subdomain A-Z Index
https://www.arizona.edu/calend...External Subdomain Calendars
https://map.arizona.edu/External Subdomain Campus Map
https://news.arizona.edu/External Subdomain News
https://phonebook.arizona.edu/External Subdomain Phonebook
https://www.arizona.edu/weatherExternal Subdomain Weather
https://www.facebook.com/UAriz...External Subdomain Facebook
https://www.twitter.com/UArizo...External Subdomain Twitter (X)
https://www.instagram.com/uari...External Subdomain Instagram
https://www.youtube.com/c/UAri...External Subdomain YouTube
https://bsky.app/profile/uariz...External Bluesky
https://www.arizona.edu/univer...External Subdomain the University of Arizona is on the land and territories of Indigenous peoples
https://www.arizona.edu/inform...New window External Subdomain University Information Security and Privacy
https://www.arizona.edu/New window External Subdomain The University of Arizona

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.lpl.arizona.edu/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
The page response time is very slow (2.33 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 75 CSS files. This may affect the page load time negatively.
This page loads 10 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (77 kB).

HTTP Response Header

NameValue
dateSat, 09 Aug 2025 01:01:57 GMT
serverApache/2.4.62 (Rocky Linux) OpenSSL/3.2.2
cache-controlmust-revalidate, no-cache, private
content-languageen
x-content-type-optionsnosniff
expiresSun, 19 Nov 1978 05:00:00 GMT
strict-transport-securitymax-age=63072000; includeSubDomains
transfer-encodingchunked
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 261 referring domains.
This page has 12,455 backlinks.
This page has backlinks from 238 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html

User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.md
Disallow: /composer/Metapackage/README.txt
Disallow: /composer/Plugin/ProjectMessage/README.md
Disallow: /composer/Plugin/Scaffold/README.md
Disallow: /composer/Plugin/VendorHardening/README.txt
Disallow: /composer/Template/README.txt
Disallow: /modules/README.txt
Disallow: /sites/README.txt
Disallow: /themes/README.txt
Disallow: /web.config
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register
Disallow: /user/password
Disallow: /user/login
Disallow: /user/logout
Disallow: /media/oembed
Disallow: /*/media/oembed
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password
Disallow: /index.php/user/register
Disallow: /index.php/user/login
Disallow: /index.php/user/logout
Disallow: /index.php/media/oembed
Disallow: /index.php/*/media/oembed

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www.lpl.arizona.edu
Lunar and Planetary Laboratory & Department of Planetary Scienc...
The Department of Planetary Sciences/Lunar and Planetary Laboratory is an academic institution that pursues scholarly research and education across the broad discipline of planetary and solar systems science.

Most important keywords

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

KeywordResultRecheck
Planetary68%Check
Planetary Science68%Check
Planetary Sciences67%Check
Planetary Laboratory67%Check
Science66%Check
Planetary Laboratory Department64%Check
Lunar63%Check
Laboratory63%Check
Sciences62%Check
Arizona60%Check
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