Lco.global - SEO Checker

Overview of the SEO Check
Meta information
100% 
Page quality
76% 
Page structure
79% 
Link structure
97% 
Server
36% 
External factors
100% 
SEO Score
Response time
2.00 s
File size
29.40 kB
Words
274
Media files
18
Number of links
49 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 274 words on this page. Good pages should have about 800 words of useful content.
25.2% 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 15.67 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)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
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
...0882a94bfef2572d0a0c9b98719cb07ba8d865c0Optical image of ROME survey field 12 in the central Bulge of the Milky Way Galaxy. Over 369,000 stars were measured from this field alone. Image credit: LCO / R. Street / ROME-REA Key Project Team
...449247b7d6b2dc424df4453e919e53563e531f68ngc6946 galaxy
...0971714ff69ed72dd1315c17f0594100a41db535The Vera C. Rubin Observatory atop Cerro Pachón in Chile with the Milky Way in the night sky. Image Credit: Rubin Observatory/NSF/AURA/B. Quint
...4a033b66e74aac7cbbbc17a2ed3b8a49e1f04719The 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.
...693f3e5d6de33e79d8db1ae06ce9679e46df2604An artist's illustration of two neutron stars colliding in an event called a kilonova. Image credit: LSC/Sonoma State University/Aurore Simonet
...ced54bcc32245509a140c193bdae2af33575e727Astronaut Training: Taste activity during Camp Cosmos
...4fabce0d8d4f2f8804809b625790f8aaa47674acstarinabox-paper.jpg
...a127fabc105a31976dfb920f5be9b983c4ec2c75NGC6946 from the archive
...8ac4e2e3ff4ab12ac7cb6ec0d85baa38b059c8bfNGC5128
...3fa76e789e2e42d9e8b090e1e469f89cc76e7ab5NGC300 taken by Ethan Conway
...0169a46fc4c369c30218f52726d59f51ea36791bNGC247 by Ethan Conway
...22633059813711606b7e47a6d8b2c5240ec4c8f9NGC2070 by J Moskal
...19be05a6c5f900c8d8fe73e1ffa93631536c8f98NGC7293 taken by Mitchell Mainwaring
...64d397fdaf9394f1498a70ccb7ec4563569aaee9NGC6888 taken by Ronals Chinchilla Vélez
...9bfa7a83af16bbc57194590cbc3028a16293ae85NGC5005 taken by ashini_modi
...9d4917ad66a2539c92da249d2c19b885dca56bacNGC891 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/lco-scientists-announce-...LCO Scientists Announce Major Data Release
/about/excellence-science/Enabling World-Class Science
/about/excellence-engineering/Excellence in Engineering
/about/excellence-education/Excellence in Education
/news/lco-scientists-are-ready...LCO Scientists are Ready for Rubin Observatory Data
/news/lco-wins-major-nsf-grant...LCO Wins Major NSF Grant for the Expansion of Astronomical Network
/news/lco-wins-shared-nsf-gran...LCO Wins Shared NSF Grant for Multi-Messenger Astronomy
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 (2.00 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, 02 Jul 2025 23:53:46 GMT
content-typetext/html; charset=utf-8
content-length30152
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 380 referring domains.
This page has 3,321 backlinks.
This page has backlinks from 340 different ip addresses.

Robots.txt

# robots.txt generated by smallseotools.com
User-agent: *
Disallow:
Crawl-delay: 5
Disallow: /cgi-bin/
Disallow: /files/
Disallow: /camera/*/archive/

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 Scientists42%Check
LCO Wins42%Check
See39%Check
Get38%Check

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