Lco.global - SEO Checker

Overview of the SEO Check
Meta information
100% 
Page quality
75% 
Page structure
79% 
Link structure
97% 
Server
36% 
External factors
100% 
SEO Score
Response time
1.55 s
File size
29.40 kB
Words
292
Media files
18
Number of links
50 internal / 8 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Las Cumbres Observatory
The length of the page title is perfect. (235 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Home on Las Cumbres Observatory
The length of the meta description is perfect. (223 pixels out of 1000 max pixel length)
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)
The domain is no subdomain.
The domain length is good.
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
titleHome - Las Cumbres Observatory
descriptionHome on Las Cumbres Observatory
langen
twitter:site@LCO_global
og:typewebsite
og:urlhttp://lco.global
og:titleLas Cumbres Observatory
og:descriptionHome on Las Cumbres Observatory
og:imagehttp://lco.global/images/mZ78HtwWFGUoIYXu8I-BKBf2I40=/439/width-400/ngc6946_LHargb_flat2_sig_1.jpg
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
There are only 292 words on this page. Good pages should have about 800 words of useful content.
25.7% 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.
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 23.25 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1.0" is provided.
This page only loads 3 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
Some tags are too long. With 74 characters this one is longer than 70 characters:
"call for proposals 2025b is now open. deadline: 7 april 2025 at 23:59 utc."
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
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
...co.global/mainstyle/img/lco-logo-web.pngLCO logo
...ee3db748f6ef7ec73ed03aafca9f8272a01cf29cThe AEON founding observatories: Southern Astrophysical Research, Gemini, and Las Cumbres Observatory. The Canada-France-Hawai’i Telescope is one of the new collaborating facilities joining the AEON+ Network.
...4f33840fd0c9647cc62e18b78084e10ea7878f4cngc6946 galaxy
...ccf814dedbda79517a1cf6f6b24ee82cd31db5b5An artist's illustration of two neutron stars colliding in an event called a kilonova. Image credit: LSC/Sonoma State University/Aurore Simonet
...c9e35f7f3b9e243a3811f0cab03256241172d39bUndergraduate students from Puerto Rico enrolled in the pilot USA Sky Partners presented their work at the American Astronomical Society conference in January 2024.
...47c7547e9180b53ab8add91097f9f4522fc808b1The LCO 2m and 1m telescope enclosures at Siding Spring Observatory, Australia.
...8126d2fb5cfe15706b76900f9ed438ba4af4f00bAstronaut Training: Taste activity during Camp Cosmos
...512c3bc191d2b193085c94af9008110dcf76fcf5starinabox-paper.jpg
...6c25f2858a200210d160736b2f9a0c159f8496feNGC6946 from the archive
...95a666641a1bea8bc37979725064c592ee395ff6NGC5128
...47ef37a94441c3a6c8b7b8b0c03fa553d5a1c058NGC300 taken by Ethan Conway
...bce20fc2314158c7458037f889e2105761589ddcNGC247 by Ethan Conway
...36479e9b5bd15a2197e488d883ce9a9dea774a80NGC2070 by J Moskal
...95d41b63094a740aaa8a168513c661b9eca876f9NGC7293 taken by Mitchell Mainwaring
...493ef0c334bdcfc55eb2fabaa4e8f6944b6a2576NGC6888 taken by Ronals Chinchilla Vélez
...3e78c1a0ecf8f88b9a189b5b16bdc3729c478e38NGC5005 taken by ashini_modi
...adf1ee72028b22df8b94879231d216c8162bb9acNGC891 taken by john.bally

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 Highlights
H2 Get Involved
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 8 external links on this page.
LinkAttributesAnchor text
https://lco.global/Anchor Skip to content
https://lco.global/donate/Donate
https://lco.global/IMG-ALT LCO logo
https://lco.global/about/About LCO
https://lco.global/highlights/Highlights
https://lco.global/getinvolved/Get Involved
/about/diversity/Diversity & Inclusion
https://lco.global/people/People
https://lco.global/images/Image Galleries
https://lco.global/about/contact/Contact
https://lco.global/education/Education with LCO
/education/partners/Global Sky Partners
https://lco.global/spacebook/Learn Astronomy
https://serol.lco.global/External Subdomain Serol's Cosmic Explorers
https://lco.global/aot/Astronomy on Tap
https://lco.global/events/Events
https://lco.global/science/Science with LCO
/science/keyprojects/Key Projects
/people/science/Science Team
https://lco.global/seminar/Seminars
/events/workshops/Conferences & Workshops
https://observe.lco.global/External Subdomain Observing Portal
https://lco.global/observatory/Observatory Information
/observatory/proposals/Observing Proposals
/observatory/acknowledgments/Acknowledgments
https://lco.global/aeon/AEON
https://tom-toolkit.readthedoc...External Subdomain TOM Toolkit
https://observatorycontrolsyst...External Subdomain Observatory Control System
/observatory/sites/Twenty-five telescopes at seven sites around the world working together as a single instrument
/news/callforproposals2025b/Call for Proposals 2025B is now open. Deadline: 7 April 2025 at 23:59 UTC.
/news/lco-wins-major-nsf-grant...LCO Wins Major NSF Grant for the Expansion of Astronomical Network
/about/excellence-science/Enabling World-Class Science
/about/excellence-engineering/Excellence in Engineering
/about/excellence-education/Excellence in Education
/news/lco-wins-shared-nsf-gran...LCO Wins Shared NSF Grant for Multi-Messenger Astronomy
/news/lco-wins-nsf-grant-for-t...LCO Wins NSF Grant for the USA Sky Partners Program
/news/heising-simons-foundatio...Heising-Simons Foundation Awards $2m Grant to Las Cumbres Observatory
https://lco.global/highlights/See More Highlights
/education/resources/activitie...Activities at Home
/education/activities/star-box...Star in a Box (Paper-based)
/images/archive-gallery/Archive Gallery
/images/archive-gallery/ngc-6946/IMG-ALT NGC6946 from the archive
/images/archive-gallery/ngc-5128/IMG-ALT NGC5128
/images/archive-gallery/ngc-300/IMG-ALT NGC300 taken by Ethan Conway
/images/archive-gallery/ngc-247/IMG-ALT NGC247 by Ethan Conway
/images/archive-gallery/ngc-2070/IMG-ALT NGC2070 by J Moskal
/images/archive-gallery/ngc7293/IMG-ALT NGC7293 taken by Mitchell Mainwaring
/images/archive-gallery/ngc6888/IMG-ALT NGC6888 taken by Ronals Chinchilla Vélez
/images/archive-gallery/ngc5005/IMG-ALT NGC5005 taken by ashini_modi
/images/archive-gallery/ngc891/IMG-ALT NGC891 taken by john.bally
/observatory/privacy-policy/Privacy Policy
/about/diversity/Text duplicate Diversity & Inclusion
https://lco.global/about/careers/Careers
https://lco.global/about/contact/Text duplicate Contact
https://www.facebook.com/lascu...External Subdomain A-TITLE Facebook
https://www.youtube.com/user/l...External Subdomain A-TITLE YouTube
https://www.instagram.com/lco_...External Subdomain A-TITLE Instagram
https://github.com/lcogt/External GitHub
A-TITLE GitHub

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://lco.global/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
The page response time is very slow (1.55 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 only loads 3 JavaScript files. That's good!
The file size of the HTML document is fine (29 kB).

HTTP Response Header

NameValue
dateWed, 19 Mar 2025 18:16:24 GMT
content-typetext/html; charset=utf-8
content-length30116
connectionkeep-alive
x-content-type-optionsnosniff
referrer-policysame-origin
x-frame-optionsDENY
varyCookie
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 3,018 referring domains.
This page has 111,570 backlinks.
This page has backlinks from 1,275 different ip addresses.

Search preview

lco.global
Las Cumbres Observatory
Home on Las Cumbres Observatory

Most important keywords

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

KeywordResultRecheck
Observatory59%Check
Cumbres59%Check
Cumbres Observatory59%Check
LCO50%Check
Global48%Check
Highlights43%Check
LCO Wins42%Check
Call41%Check
Proposals39%Check
open39%Check

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