Sustainablesolutions.stanford.edu - SEO Checker

Overview of the SEO Check
Meta information
79% 
Page quality
63% 
Page structure
100% 
Link structure
93% 
Server
91% 
External factors
27% 
SEO Score
Response time
0.57 s
File size
56.20 kB
Words
334
Media files
9
Number of links
7 internal / 9 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Sustainable Solutions Lab
The length of the page title is perfect. (233 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://sustainablesolutions.stanford.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
GeneratorDrupal 11 (https://www.drupal.org)
MobileOptimizedwidth
HandheldFriendlytrue
viewportwidth=device-width, initial-scale=1.0
application-nameStanford University
msapplication-TileColor#FFFFFF
msapplication-TileImagehttps://www-media.stanford.edu/assets/favicon/mstile-144x144.png
msapplication-square70x70logohttps://www-media.stanford.edu/assets/favicon/mstile-70x70.png
msapplication-square150x150logohttps://www-media.stanford.edu/assets/favicon/mstile-150x150.png
msapplication-square310x310logohttps://www-media.stanford.edu/assets/favicon/mstile-310x310.png
langen
twitter:cardsummary_large_image
twitter:titleSustainable Solutions Lab
twitter:imagehttps://sustainablesolutions.stanford.edu/sites/g/files/sbiybj31186/files/styles/card_1192x596/public/media/image/palm_jefrpa_0.jpg?h=f7dc1c74&itok=KfvBUmYM
og:site_nameSustainable Solutions Lab
og:typewebsite
og:urlhttps://sustainablesolutions.stanford.edu/
og:titleSustainable Solutions Lab
og:imagehttps://sustainablesolutions.stanford.edu/sites/g/files/sbiybj31186/files/styles/card_1192x596/public/media/image/palm_jefrpa_0.jpg?h=f7dc1c74&itok=KfvBUmYM
og:image:urlhttps://sustainablesolutions.stanford.edu/sites/g/files/sbiybj31186/files/styles/card_1192x596/public/media/image/palm_jefrpa_0.jpg?h=f7dc1c74&itok=KfvBUmYM
charsetutf-8

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Page quality

Content
(Critically important)
There are only 334 words on this page. Good pages should have about 800 words of useful content.
28.1% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
6 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 21.73 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 7 tags for this page.
Image SEO
(Somewhat important)
8 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

Page structure

H1 heading
(Critically important)
Sustainable Solutions Lab
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Sustainable Solutions Lab
H2 Ownership of power plants stranded by climate mitigation
H2 Trade risks in net-zero emissions energy scenarios
H2 Food without agriculture
H3 Funding cuts could put research into emerging threats to lung health at risk
H3 Another Way Companies Majorly Undercount Their Emissions
H3 Scientists Who Won't Be Silenced
There are too few (7) internal links on this page.
Some anchor texts are used more than once.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 9 external links on this page.
LinkAttributesAnchor text
https://drive.google.com/file/...External Subdomain Research Brief
https://www.nature.com/article...External Subdomain Full Article
https://drive.google.com/open?...External Subdomain Text duplicate Research Brief
https://www.nature.com/article...External Subdomain Text duplicate Full Article
https://drive.google.com/file/...External Subdomain Text duplicate Research Brief
https://www.nature.com/article...External Subdomain Text duplicate Full Article
https://www.nature.com/article...External Subdomain Funding cuts could put research into emerging threats to lung health at risk
/news/sustainable-solutions-la...Steve Davis
/news/topics/impactsImpacts
https://heatmap.news/sustainab...External Another Way Companies Majorly Undercount Their Emissions
/news/sustainable-solutions-la...Text duplicate Steve Davis
/news/sustainable-solutions-la...Wes Ingwersen
/news/topics/tradeTrade
https://www.climateone.org/aud...External Subdomain Scientists Who Won't Be Silenced
/news/sustainable-solutions-la...Text duplicate Wes Ingwersen
/news/topics/carbon-managementCarbon Management

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://sustainablesolutions.stanford.edu/"
HTTP header
(Important)
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 of 0.57 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (56 kB).

HTTP Response Header

NameValue
content-typetext/html; charset=UTF-8
content-length11252
x-drupal-dynamic-cacheHIT
content-languageen
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN
last-modifiedThu, 12 Mar 2026 00:55:37 GMT
etag"1773276937"
x-generatorDrupal 11 (https://www.drupal.org)
x-consumer-iddefault_consumer
x-drupal-cacheMISS
content-encodinggzip
x-request-idv-2ec33b46-1dae-11f1-b74b-1b5fe49ff977
x-ah-environment01live
x-cache-hits108
x-age148134
accept-rangesbytes
cache-controlpublic, max-age=60
expiresSat, 14 Mar 2026 09:33:04 GMT
dateSat, 14 Mar 2026 09:32:04 GMT
varyAccept-Encoding
strict-transport-securitymax-age=15768000
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 9 referring domains.
This page only has 12 backlinks.
This page only has few backlinks from 8 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

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: *
Crawl-delay: 30
# 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
# 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
# Block Printable Paths
Disallow: /*/printable/print
# Block saml paths links
Disallow: /sso/login
Disallow: /saml_login
Disallow: /saml/login
Disallow: /saml/acs
# Block Femtosearch
User-agent: FemtosearchBot
Crawl-Delay: 120
Disallow: /
# Block SemrushBot
User-agent: SemrushBot
Crawl-Delay: 120
Disallow: /
# Honeypot for misbehaving crawlers.
Disallow: /honeypot-for-misbehaving-crawlers-do-not-enter/
Disallow: /honeypot-for-misbehaving-crawlers-do-not-enter
Disallow: /honeypot-for-misbehaving-crawlers-do-not-enter/index.html

Search preview

sustainablesolutions.stanford.edu
Sustainable Solutions Lab

Most important keywords

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

KeywordResultRecheck
Sustainable73%Check
Solutions73%Check
Sustainable Solutions73%Check
Sustainable Solutions Lab70%Check
Lab63%Check
emissions43%Check
climate40%Check
Recent39%Check
Publications39%Check
News39%Check

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