Growth.caltech.edu - SEO Checker

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Overview of the SEO Check
Meta information
59% 
Page quality
76% 
Page structure
79% 
Link structure
51% 
Server
13% 
External factors
49% 
SEO Score
Response time
1.21 s
File size
70.10 kB
Words
800
Media files
29
Number of links
138 internal / 15 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
GROWTH - Global Relay of Observatories Watching Transients Happen
The page title should be shorter than 580 pixels. It is 644 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is empty.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is 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
viewportwidth=device-width, initial-scale=1.0
descriptionEmpty
authorEmpty
langen
charsetutf-8

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Page quality

Content
(Critically important)
The average number of words per sentence of 27 words is high.
This page contains 800 words. That's ok.
27.9% 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.
10 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.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 4 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The following tag is repeated too often: read more
Image SEO
(Somewhat important)
29 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/logos/logo-caltech-growth.pngNo alt attribute provided
/images/news/mainmenu12.jpgNo alt attribute provided
/images/news/mainmenu10.jpgNo alt attribute provided
/images/news/S200105ae-new.jpgNo alt attribute provided
/images/news/the-future-is-now.jpgNo alt attribute provided
/images/growth-surf-2019-video.jpgNo alt attribute provided
/images/winter-school-multimedia.jpgNo alt attribute provided
/images/gw170817-multimedia-youtube.jpgNo alt attribute provided
/images/mansi-telescope.jpgNo alt attribute provided
/images/30-doradus-hubble.jpgNo alt attribute provided
/images/astro-school-2019-group.jpgNo alt attribute provided
/images/logos/caltech.pngNo alt attribute provided
/images/logos/UMCollegePark.pngNo alt attribute provided
/images/logos/uw.pngNo alt attribute provided
/images/logos/SDSU.pngNo alt attribute provided
.../logos/Weizmann_Institute_of_Science.pngNo alt attribute provided
/images/logos/TokyoInstofTech.pngNo alt attribute provided
/images/logos/UWMilwaukee.gifNo alt attribute provided
/images/logos/StockholmUniversity.pngNo alt attribute provided
/images/logos/NCUTaiwan.pngNo alt attribute provided
/images/logos/ljmu2.pngNo alt attribute provided
/images/logos/IIAIndia.pngNo alt attribute provided
/images/logos/DESY.gifNo alt attribute provided
/images/logos/ttu.pngNo alt attribute provided
/images/logos/IITB.pngNo alt attribute provided
/images/logos/university-of-sydney.pngNo alt attribute provided
/images/logos/LANL.pngNo alt attribute provided
...ges/logos/logo_final1_WT_transparent.pngNo alt attribute provided
/images/logos/nsf.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H2 Science
H2 Partners
H3 News
H3 Multimedia
H4 Find in Our Media Center
H4 Astronomers gather clues about unseen cataclysmic collisions
H4 The Future is Now
H4 Student Opportunities
H4 Jump to
H4 Quick links
H4 Newsletter
H4 Follow us
H5 The NSF-funded GROWTH project ran between October 2015 and October 2020. This website keeps a record of all project activities that took place during the project lifetime.
H6 Meet GROWTH SURF 2019 Students
H6 2018 Astronomy School Lectures
H6 GROWTH Team Strikes Gold
H6 The new "gold rush" in astronomy
Some anchor texts are used more than once.
6 links don't have an anchor text.
There are 1 links with a trivial anchor text.
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 15 external links on this page.

Found links on this page

LinkAttributesAnchor text
/index.htmlNo Text
http://www.oir.caltech.edu/twi...External Subdomain GROWTH Team (Login Required)
/growth-for-scientists.htmlScientists
/growth-courses.htmlCourses
/astronomy-school.htmlMaterials
/internships.htmlResearch Opportunities
/growth-courses.htmlClasses
/astronomy-school.htmlResources
/workshops.htmlWorkshops
/growth-for-public.htmlPublic
/growth-for-media.htmlMedia
/events.htmlEvents
/events.htmlText duplicate Events
/invite-growth.htmlInvite GROWTH
/join-growth.htmlJoin GROWTH
/contactus.htmlContact Us
/growth-for-scientists.htmlText duplicate Scientists
/internships.htmlStudents
/astronomy-school.htmlEducators
/growth-for-public.htmlText duplicate Public
/growth-for-media.htmlText duplicate Media
/events.htmlText duplicate Events
/events.htmlUpcoming
/invite-growth.htmlText duplicate Invite GROWTH
/join-growth.htmlText duplicate Join GROWTH
/contactus.htmlText duplicate Contact Us
/index.htmlHomeWelcome
/glance.htmlAboutWho we are
/glance.htmlAt a Glance
/partners.htmlPartners
/observatories.htmlObservatories
/team.htmlTeam
/education-outreach.htmlEducation & Outreach
/organization.htmlOrganization & Management
/pire.htmlNSF PIRE Program
/science-questions.htmlResearchWhat, How & Why
/science-questions.htmlThe Unanswered Questions
/science-questions.htmlWhere are heavy elements synthesized?
/science-questions.htmlWhat are the final fates of stars?
/science-questions.htmlWhere are the small near-Earth asteroids?
/tda.htmlTime-Domain Astronomy
/technology.htmlTechnology
/technology.htmlBig Data
/technology.htmlRobotic Telescopes
/publications.htmlPublications
/growth-conferences.htmlGROWTH Conferences
/mission.htmlStudent OpportunitiesLearning with GROWTH
/internships.htmlOverview
/undergrad-internships-overvie...GROWTH SURF
/graduate-internships-overview...Graduate/Postdoc Internships
/astronomy-school.htmlAstronomy School
/growth-courses.htmlText duplicate Courses
/growth-edu-resources.htmlText duplicate Resources
/internship-students.htmlOur Students
/latest-news.htmlMedia CenterLatest news & more
/latest-news.htmlLatest News
/press-releases.htmlPress Releases
/in-the-media.htmlIn the Media
/media-contacts.htmlMedia Contacts
/news-gw170817.htmlNo Text
/press-releases.htmlPress Release
/news-gw170817.htmlGROWTH strikes gold
/news-iptf16geu-press-release....No Text
/press-releases.htmlText duplicate Press Release
/news-luminous-red-nova.htmlImaging a lensed "standard candle"
/impact-scientific-discovery.htmlImpactWe contribute to...
/impact-scientific-discovery.htmlScientific Discovery
/impact-education-stem.htmlEducation & STEM
/impact-international-partners...International Partnerships
/smartstart-reports.htmlEvaluation Reports
/multimedia.htmlMultimediaExplore further...
/index.htmlHome
/glance.htmlAbout
/glance.htmlText duplicate At a Glance
/partners.htmlText duplicate Partners
/observatories.htmlText duplicate Observatories
/team.htmlText duplicate Team
/education-outreach.htmlEdication & Outreach
/organization.htmlText duplicate Organization & Management
/science-questions.htmlResearch
/science-questions.htmlText duplicate The Unanswered Questions
/tda.htmlText duplicate Time-Domain Astronomy
/technology.htmlText duplicate Technology
/publications.htmlText duplicate Publications
/growth-conferences.htmlText duplicate GROWTH Conferences
/mission.htmlStudent Opportunities
/internships.htmlText duplicate Overview
/undergrad-internships-overvie...Text duplicate GROWTH SURF
/graduate-internships-overview...Text duplicate Graduate/Postdoc Internships
/astronomy-school.htmlText duplicate Astronomy School
/growth-courses.htmlText duplicate Courses
/growth-edu-resources.htmlText duplicate Resources
/internship-students.htmlText duplicate Our Students
/latest-news.htmlMedia Center
/latest-news.htmlText duplicate Latest News
/press-releases.htmlText duplicate Press Releases
/newsletters.htmlNewsletters
/in-the-media.htmlText duplicate In the Media
/media-contacts.htmlText duplicate Media Contacts
/impact-scientific-discovery.htmlImpact
/impact-scientific-discovery.htmlText duplicate Scientific Discovery
/impact-education-stem.htmlText duplicate Education & STEM
/impact-global-workforce.htmlGlobal Workforce
/impact-international-partners...Text duplicate International Partnerships
/smartstart-reports.htmlEvatuation reports
/multimedia.htmlMultimedia
http://growth.caltech.edu/Subdomain Text duplicate Home
A-TITLE Return to Home
/latest-news.htmlNews
/news-ligo-03-nsbh-search-grow...No Text
/news-ligo-03-nsbh-search-grow...Astronomers gather clues about unseen cataclysmic collisions
/latest-news.htmlText duplicate News
/news-ligo-03-nsbh-search-grow...Trivial anchor text
Read more
https://rdcu.be/b6GskExternal No Text
https://rdcu.be/b6GskExternal The Future is Now
/in-the-media.htmlText duplicate In the Media
https://rdcu.be/b6GskExternal Text duplicate Trivial anchor text
Read more
/latest-news.htmlMore News
https://www.youtube.com/watch?...External Subdomain No Text
https://www.youtube.com/watch?...External Subdomain Meet GROWTH SURF 2019 Students
https://www.youtube.com/watch?...External Subdomain Watch
/astronomy-school.htmlthis page
https://www.youtube.com/watch?...External Subdomain No Text
https://www.youtube.com/watch?...External Subdomain GROWTH Team Strikes Gold
https://www.youtube.com/watch?...External Subdomain Text duplicate Watch
/multimedia.htmlNo Text
/multimedia.htmlThe new "gold rush" in astronomy
https://cosmoquest.org/x/365da...External 365 Days of Astronomy
/multimedia.htmlListen
/glance.htmlScience
/partners.htmlpartner institutions
/observatories.htmltelescopes
/news-gw170817.htmlCaltech-led LIGO and astronomy teams strike gold
/science-questions.htmlLearn More
/internships.htmlopportunities
/undergrad-internships-overvie...GROWTH SURF (Undergraduates)
/graduate-internships-overview...Graduate/Postdoc Exchange Program
/astronomy-school.htmlAstronomy School on transient follow-up techniques
http://www.caltech.edu/External Subdomain No Text
/index.htmlNo Text
/glance.htmlText duplicate About
/science-questions.htmlScientific Drive
/mission.htmlGROWTH & Education
/partners.htmlText duplicate Partners
/observatories.htmlGROWTH Observatories
/contactus.htmlContact
/team.htmlText duplicate Team
/latest-news.htmlText duplicate News
/events.htmlText duplicate Events
/join-growth.htmlText duplicate Join GROWTH
http://www.twitter.com/GrowthPireExternal Subdomain No Text
http://www.facebook.com/growth...External Subdomain No Text
http://plus.google.com/u/0/b/1...External Subdomain No Text
https://www.growth.caltech.edu/Anchor No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.growth.caltech.edu/"
HTTP header
(Important)
The used PHP version is outdated and may be a security risk.
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 slow (1.21 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 10 CSS files. This may affect the page load time negatively.
This page loads 4 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (70 kB).

HTTP Response Header

NameValue
dateMon, 09 Sep 2024 12:51:32 GMT
serverApache/2.4.6 (Red Hat Enterprise Linux) OpenSSL/1.0.1e-fips mod_fcgid/2.3.9 PHP/5.4.16 mod_wsgi/3.4 Python/2.7.5
accept-rangesbytes
content-length71812
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/1.1

External factors

This page has only a few links from other websites.
This page only has backlinks from 13 referring domains.
This page only has 18 backlinks.
This page only has few backlinks from 13 different ip addresses.
This page is referenced by wikipedia.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

Most important keywords

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

KeywordResultRecheck
GROWTH68%Check
GROWTH SURF55%Check
GROWTH Team54%Check
GROWTH project54%Check
Observatories46%Check
Global46%Check
Relay46%Check
Global Relay46%Check
Observatories Watching Transients Happen46%Check
transient45%Check
Show more keywords and terms

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