Software-carpentry.org - SEO Checker

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Overview of the SEO Check
Meta information
72% 
Page quality
47% 
Page structure
79% 
Link structure
88% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.05 s
File size
17.90 kB
Words
121
Media files
10
Number of links
12 internal / 32 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Software Carpentry
The page title is too short. (174 pixels of 580 max pixel length) Optimize title
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)
No canonical link is 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)
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 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)
No favicon is linked in the HTML code.

Meta tags

NameValue
generatorHugo 0.139.2
viewportwidth=device-width
langen-us
og:urlhttps://software-carpentry.org/
og:site_nameSoftware Carpentry
og:titleHome
og:localeen_us
og:typewebsite
charsetUTF-8

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Page quality

Content
(Critically important)
There are only 121 words on this page. Use at least 250 words to provide useful information.
Words from the H1 heading are not used in the page content.
No paragraphs were detected.
19% 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.
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" is provided.
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)
1 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
https://software-carpentry.org/swc_logo.svgSoftware Carpentry
/images/hero-background.jpegNo alt attribute provided
/logo-white.svgSoftware Carpentry
/mastodon-logo.svgMastodon
/linkedin-logo.svgLinkedIn
/slack-logo.svgSlack
/github-logo.svgGithub
/zenodo-logo.svgZenodo
/youtube-logo.svgYoutube
/bluesky-logo.svgBluesky

Page structure

H1 heading
(Critically important)
Software Carpentry is a lesson program within The Carpentries teaching basic lab skills for research computing.
The H1 heading is perfect.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Software Carpentry is a lesson program within The Carpentries teaching basic lab skills for research computing.
H4 About The Carpentries
H4 Our community
H4 Membership
H4 Workshops
H4 Lessons
H4 Lesson Development
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 too many external links (32) on this page.

Found links on this page

LinkAttributesAnchor text
https://carpentries.org/External The Carpentries
https://carpentries.org/External Text duplicate The Carpentries
https://datacarpentry.org/External Data Carpentry
https://datacarpentry.org/External Text duplicate Data Carpentry
https://librarycarpentry.org/External Library Carpentry
https://librarycarpentry.org/External Text duplicate Library Carpentry
https://software-carpentry.org/Software Carpentry
https://software-carpentry.org/Text duplicate IMG-ALT Software Carpentry
/about-us/Text duplicate Software Carpentry
/about-us/governance/Governance
/about-us/curriculum-advisors/Curriculum Advisors
/workshops/workshops-upcoming/Upcoming Workshops
/workshops/workshops-past/Past Workshops
/lessons/Lessons
/workshops/workshops-upcoming/See upcoming workshops
https://amy.carpentries.org/fo...External Subdomain Request a workshop
/lessons/See the curriculum
https://carpentries.org/about-us/External Anchor Our mission
https://carpentries.org/about-us/External Anchor Our history
https://carpentries.org/about-us/External Anchor Our values
https://carpentries.org/commun...External Our volunteers
https://carpentries.org/about-...External Our governance
https://carpentries.org/commun...External Get involved
https://carpentries.org/suppor...External Membership FAQ
https://carpentries.org/suppor...External Current members
https://carpentries.org/suppor...External Become a member
https://carpentries.org/worksh...External Workshops FAQ
https://carpentries.org/worksh...External Upcoming workshops
https://carpentries.org/worksh...External Text duplicate Request a workshop
https://carpentries.org/lessons/External Search lessons
https://carpentries.org/instru...External Instructor Training
https://carpentries.org/traine...External Instructor Trainer Training
https://carpentries.org/lesson...External Collaborative Lesson Development Training
https://carpentries-incubator....External Carpentries Incubator
https://carpentries-lab.org/External Carpentries Lab
/privacy/Privacy Policy
/license/License
https://hachyderm.io/@thecarpe...External IMG-ALT Mastodon
https://www.linkedin.com/compa...External Subdomain IMG-ALT LinkedIn
https://swc-slack-invite.herok...External Subdomain IMG-ALT Slack
https://github.com/carpentriesExternal IMG-ALT Github
https://zenodo.org/communities...External IMG-ALT Zenodo
https://www.youtube.com/thecar...External Subdomain IMG-ALT Youtube
https://bsky.app/profile/carpe...External IMG-ALT Bluesky

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://software-carpentry.org/"
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 is excellent with 0.05 seconds.
The file size of the HTML document is fine (18 kB).

HTTP Response Header

NameValue
content-typetext/html
dateWed, 14 May 2025 06:43:20 GMT
last-modifiedWed, 14 May 2025 06:40:55 GMT
etagW/"07bde8077139fb7aca57d48e31cf39eb"
serverAmazonS3
content-encodinggzip
varyAccept-Encoding
x-cacheHit from cloudfront
via1.1 3de687dde9ccf524586562826ee53358.cloudfront.net (CloudFront)
x-amz-cf-popFRA60-P10
x-amz-cf-id-9thWZuJB3tbAJUGMkbhiGHwkgDYwhGBrzwbs_YiMqzu47esyhbZGw==
age6621
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 668 referring domains.
This page has 20,886 backlinks.
This page has backlinks from 482 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

Similar sites

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software-carpentry.org
Software Carpentry

Most important keywords

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

KeywordResultRecheck
Carpentry75%Check
Software75%Check
Software Carpentry75%Check
Carpentries54%Check
lesson54%Check
lesson program54%Check
program50%Check
lab50%Check
teaching50%Check
basic50%Check
Show more keywords and terms

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