Openstax.org - SEO Checker

Overview of the SEO Check
Meta information
80% 
Page quality
52% 
Page structure
58% 
Link structure
0% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.15 s
File size
10.40 kB
Words
0
Media files
0
Number of links
0 internal / 0 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
OpenStax
The page title is too short. (91 pixels of 580 max pixel length) Optimize title
The page title is only one word.
There are no duplicate words in the title
Meta description
(Critically important)
OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects!
The length of the meta description is perfect. (963 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 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)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width,initial-scale=1,maximum-scale=5
descriptionOpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects!
mobile-web-app-capableyes
theme-color#fff
application-name@openstax/os-webview
apple-mobile-web-app-capableyes
apple-mobile-web-app-status-bar-styleblack-translucent
apple-mobile-web-app-title@openstax/os-webview
msapplication-TileColor#fff
msapplication-TileImage/dist/assets/mstile-144x144.png
msapplication-config/dist/assets/browserconfig.xml
langen-us
twitter:cardsummary_large_image
twitter:site@OpenStax
twitter:titleOpenStax | Free Textbooks Online with No Catch
twitter:descriptionOpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects!
twitter:imagehttps://assets.openstax.org/oscms-prodcms/media/images/Turning_textbook_highlighting_into_time_well-sp.original.jpg
twitter:image:altOpenStax
og:urlhttps://openstax.org/
og:typearticle
og:titleOpenStax | Free Textbooks Online with No Catch
og:descriptionOpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects!
og:imagehttps://assets.openstax.org/oscms-prodcms/media/images/Turning_textbook_highlighting_into_time_well-sp.original.jpg
og:image:altOpenStax: OpenStax | Free Textbooks Online with No Catch
charsetutf-8

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Page quality

Content
(Critically important)
There are only 0 words on this page. Use at least 250 words to provide useful information.
No paragraphs were detected.
No placeholders texts or images were found.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width,initial-scale=1,maximum-scale=5" 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 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)
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

No media files were found.

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
There are no headings specified on the page. Headings are important for search engine optimization and help to structure your content.

Heading structure

No headings were found.
This page seems to be an entry page, because only very few links were found.
There are no external links on this page.
No internal links were found.

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://openstax.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.15 seconds.
The file size of the HTML document is fine (10 kB).

HTTP Response Header

NameValue
content-typetext/html
last-modifiedThu, 01 Aug 2024 17:20:15 GMT
x-amz-version-idJA2YRMOWzRDanesMvoQvjW7WOte4ARCB
serverAmazonS3
content-encodinggzip
dateWed, 14 Aug 2024 17:59:32 GMT
cache-controlpublic,max-age=60
etagW/"c9aa99a2fb72151397ef535da5837a1f"
varyAccept-Encoding
x-cacheRefreshHit from cloudfront
via1.1 7b2737d1601ba8c676e6f68b6aa113d8.cloudfront.net (CloudFront)
x-amz-cf-popFRA60-P8
x-amz-cf-idXAHazFeiIQh831s0BecOvHWeC8F6qXNtvOuM8oZ1NkprLa-zZEebhg==
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 15,744 referring domains.
This page has 384,888 backlinks.
This page has backlinks from 9,742 different ip addresses.

Robots.txt

User-agent: *
Disallow: /accounts
Disallow: /admin
Disallow: /l/
Disallow: /r/
Disallow: /confirmation/
Disallow: /adoption-confirmation
Disallow: /general
Disallow: /contents
Disallow: /extras
Disallow: /errata
Disallow: /resources
Disallow: /apps/archive
Disallow: /apps/archive-preview
Disallow: /apps/cms/api/spike

User-agent: GPTBot
Disallow: /books/

Sitemap: https://openstax.org/sitemap.xml
Sitemap: https://openstax.org/rex/sitemaps/index.xml

Search preview

openstax.org
OpenStax
OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects!

Most important keywords

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

KeywordResultRecheck
OpenStax34%Check
College Textbooks11%Check
offers11%Check
free11%Check
types11%Check
students11%Check
making11%Check
education11%Check
accessible11%Check
affordable11%Check

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