Grass.osgeo.org - SEO Checker

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Overview of the SEO Check
Meta information
97% 
Page quality
51% 
Page structure
36% 
Link structure
90% 
Server
78% 
External factors
100% 
SEO Score
Response time
1.04 s
File size
26.60 kB
Words
246
Media files
11
Number of links
47 internal / 26 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
GRASS - Bringing advanced geospatial technologies to the world
The page title should be shorter than 580 pixels. It is 582 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
GRASS is a powerful open-source geospatial processing engine that supports advanced modeling, time series analysis, and spatial data management.
The length of the meta description is perfect. (927 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://grass.osgeo.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
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 character encoding is not specified in the HTTP header.
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
descriptionGRASS is a powerful open-source geospatial processing engine that supports advanced modeling, time series analysis, and spatial data management.
keywordspython, science, data science, machine learning, jupyter, vector, geospatial, parallel computing, gis, image processing, raster, spatial, open science, remote sensing, arrays, earth observation, geospatial analysis, timeseries analysis, open source, GRASS, FOSS4G, free open source GIS, mapping, mapping software, cartography, GIS data, open source 3D, geographic information system, free software, libre software, topology, visualization, hydrology, archaeology, 3D GIS
generatorHugo 0.113.0
viewportwidth=device-width, initial-scale=1
mobile-web-app-capableyes
apple-mobile-web-app-titleGRASS
apple-mobile-web-app-status-bar-styledefault
msapplication-TileColor#ffffff
msapplication-confighttps://grass.osgeo.org/images/favicon/browserconfig.xml
theme-color#ffffff
langen-us
twitter:cardGRASS
twitter:site@GRASSGIS
twitter:creator@GRASSGIS
twitter:titleGRASS - Bringing advanced geospatial technologies to the world
twitter:descriptionGRASS is a powerful open-source geospatial processing engine that supports advanced modeling, time series analysis, and spatial data management.
twitter:image:srchttps://grass.osgeo.org/images/other/default-social-image.png
og:urlhttps://grass.osgeo.org/
og:site_nameGRASS
og:typewebsite
og:imagehttps://grass.osgeo.org/images/other/default-social-image.png
og:titleGRASS - Bringing advanced geospatial technologies to the world
og:descriptionGRASS is a powerful open-source geospatial processing engine that supports advanced modeling, time series analysis, and spatial data management.
charsetUTF-8

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Page quality

Content
(Critically important)
There are only 246 words on this page. Use at least 250 words to provide useful information.
Only 2 paragraph/s was/were found on this page.
These Typos were found:
  • develpment => development
19.5% 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.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 14.6 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
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 following tag is repeated too often: grass
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
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/grass-white-no-text.svgGRASS Logo
/images/logos/grass-white.svgGRASS
...ebsite-dev-summit-2025carousel-image.pngGRASS team
/images/other/grass_gis_mentoring.jpgGRASS mentoring program
/images/other/grass_gis_student_grants.jpgGRASS student grants
/images/other/grass_release.pngGRASS latest release
/images/logos/osgeo-project.svgOSGeo Logo
/images/logos/grass-green.svgGRASS
...org/badge/DOI/10.5281/zenodo.5176030.svgDOI
/images/logos/numfocus_logo.svgNumFOCUS Logo
/images/logos/gs-white-small.pngGRASS GIS logo

Page structure

H1 heading
(Critically important)
GRASS
The H1 heading consists of only one word. There should be more information given.
The H1 heading is too short (5 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 GRASS
H2 Latest news
H3 Download
H3 Learn
H3 Support
H3 Contribute
H3 GRASS Developer Summit 2025
H3 GRASS Refreshed Branding
H3 GRASS Developer Summit 2025 Duplicate text
H6 About Us
H6 Learn Duplicate text
H6 Support Duplicate text
H6 Contribute Duplicate text
Some anchor texts are used more than once.
1 links don't have an 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 too many external links (26) on this page.

Found links on this page

LinkAttributesAnchor text
https://gitter.im/grassgis/com...New window External Join our Gitter chatroom
https://grass.osgeo.org/Subdomain GRASS
IMG-ALT GRASS Logo
https://grass.osgeo.org/aboutAbout Us
/about/teamTeam
/about/roadmapRoadmap
/about/governanceGovernance
/about/licenseLicense
/about/historyHistory
/about/brandBrand
/about/creditsCredits
/about/citationCitation
https://grass.osgeo.org/downloadDownload
https://github.com/OSGeo/grass...External GRASS GIS source code
/download/linuxGRASS GIS for Linux
/download/windowsGRASS GIS for Windows
/download/macGRASS for Mac
/download/dockerDocker images
/download/addonsAddons
/download/dataSample data
https://grass.osgeo.org/learnLearn
/learn/overviewGeneral overview
/learn/newcomersFirst time users
/learn/manualsDocumentation
https://grass-tutorials.osgeo....External Subdomain Tutorials
/learn/galleryGallery
/learn/booksBooks
/learn/tryonlineTry online
https://grass.osgeo.org/supportSupport
/support/communityCommunity
/support/commercialCommercial Support
/contributeContribute
https://weblate.osgeo.org/proj...External Subdomain Translate
/contribute/developmentDevelopment
/contribute/sponsoringSponsoring
https://grasswiki.osgeo.org/wi...External Subdomain Sponsors
https://grass.osgeo.org/download/Subdomain Download Get your free and open source copy of GRASS
https://grass.osgeo.org/learn/Subdomain Learn Get to know the GRASS ecosystem
https://grass.osgeo.org/support/Subdomain Support Find community and commercial support
/contribute/Subdomain Contribute Get started with open source develpment with GRASS
https://grasswiki.osgeo.org/wi...New window External Subdomain Join US
https://grasswiki.osgeo.org/wi...New window External Subdomain Join the GRASS Mentoring program
https://grasswiki.osgeo.org/wi...New window External Subdomain Apply for a GRASS Student grant
https://github.com/OSGeo/grass...New window External Check the latest GRASS release
https://numfocus.org/donate-to...External SUPPORT US!
/news/2025_05_27_grass_dev_sum...GRASS Developer Summit 2025
/news/2025_04_29_grass_brandin...GRASS Refreshed Branding
/news/2025_03_03_grass_develop...Text duplicate GRASS Developer Summit 2025
https://grass.osgeo.org/newsSubdomain View All
https://www.osgeo.org/projects...New window External Subdomain GRASS is a project of the Open Source Geospatial Foundation
IMG-ALT OSGeo Logo
https://doi.org/10.5281/zenodo...New window External Text duplicate IMG-ALT GRASS
https://numfocus.org/New window External GRASS is a fiscally sponsored project of NumFOCUS
IMG-ALT NumFOCUS Logo
/about/teamText duplicate Team
/about/roadmapText duplicate Roadmap
/about/governanceText duplicate Governance
/learn/manualsText duplicate Documentation
https://grass-tutorials.osgeo....External Subdomain Text duplicate Tutorials
/learn/booksText duplicate Books
/support/communityText duplicate Community
/support/commercialCommercial
https://discourse.osgeo.org/c/...External Subdomain Contact Us
https://github.com/OSGeo/grass...External How to git
https://github.com/OSGeo/grass...External Style guide
https://github.com/OSGeo/grass...External Report a bug
https://grass.osgeo.org/download/Text duplicate Download
https://numfocus.org/donate-to...New window External Donate
https://github.com/OSGeo/grassExternal No Text
https://discourse.osgeo.org/c/...External Subdomain No Text
https://gitter.im/grassgis/com...External No Text
https://www.linkedin.com/compa...External Subdomain No Text
https://fosstodon.org/@grassgisExternal No Text
https://twitter.com/grassgisExternal No Text
https://www.youtube.com/@grass...External Subdomain No Text
https://grass.osgeo.org/index.xmlSubdomain No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://grass.osgeo.org/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
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 (1.04 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.
A Content Delivery Network like Bootstrap CDN can save bandwidth for Bootstrap front-end component library.
The file size of the HTML document is fine (27 kB).

HTTP Response Header

NameValue
servernginx/1.18.0
dateMon, 28 Jul 2025 23:29:59 GMT
content-typetext/html
content-length5141
last-modifiedMon, 28 Jul 2025 12:30:08 GMT
etag"6a77-63afc73bae2c1-gzip"
accept-rangesbytes
varyAccept-Encoding
content-encodinggzip
front-end-httpson
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 710 referring domains.
This page has 5,437 backlinks.
This page has backlinks from 621 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

# contact us at https://github.com/OSGeo/grass-website for constructive criticism!
#
# file is stored at
#      grasslxd:/var/www/code_and_data/robots.txt

User-agent: *
Disallow: /cgi-bin/
Disallow: /tmp/
Disallow: /spearfish/
Disallow: /stats/
Disallow: /gdp/grassmanuals/
Disallow: /gdp/html_grass4/
Disallow: /gdp/html_grass5/

Disallow: /grass51/manuals/
Disallow: /grass5/manuals/html53_user/
Disallow: /grass54/manuals/
Disallow: /grass57/

# SEO note: we have injected canonical link in all (old) manual pages to point
#           to grass-stable (this avoids "duplicate content" SEO punishment)
#           Only odd, undesired versions are disallowed here:
Disallow: /grass60/
Disallow: /grass61/
Disallow: /grass62/
Disallow: /grass63/

Disallow: /grass71/

Disallow: /grass73/
Disallow: /grass75/
Disallow: /grass77/

Disallow: /grass79/

Disallow: /grass81/

Sitemap: https://grass.osgeo.org/sitemap.xml
Sitemap: https://grass.osgeo.org/sitemap_hugo.xml

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Search preview

grass.osgeo.org
GRASS - Bringing advanced geospatial technologies to the world
GRASS is a powerful open-source geospatial processing engine that supports advanced modeling, time series analysis, and spatial data management.

Most important keywords

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

KeywordResultRecheck
GRASS97%Check
GRASS GIS69%Check
geospatial58%Check
advanced58%Check
Support54%Check
Bringing advanced geospatial54%Check
advanced geospatial technologies54%Check
Bringing advanced geospatial technologies52%Check
source46%Check
Analysis46%Check
Show more keywords and terms

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