Bootstrapworld.org - SEO Checker

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Overview of the SEO Check
Meta information
72% 
Page quality
34% 
Page structure
41% 
Link structure
100% 
Server
84% 
External factors
100% 
SEO Score
Response time
0.74 s
File size
16.20 kB
Words
350
Media files
28
Number of links
25 internal / 5 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Bootstrap
The page title is too short. (88 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)
A full, in-school curriculum and software package that teaches children to program their own videogames using purely algebraic concepts.
The length of the meta description is perfect. (849 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
Server location: United States of America
The language is not specified in the HTML markup.
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 XHTML 1.0 Strict 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
titleBootstrap: Integrated Computer Science for Math, Social Studies, History, and Physics, for every student.
descriptionA full, in-school curriculum and software package that teaches children to program their own videogames using purely algebraic concepts.
keywordsBootstrap, Algebra, Computer Science, STEM, Video games. Curriculum, Math, History, Social Studies, Physics, Lesson Plans, assignments, activities, code, learn, teach, girls, Videogames, Scheme, Racket, WeScheme, Programming, Education
viewportwidth=device-width, initial-scale=1, user-scalable=no
og:site_nameBootstrap
og:urlhttp://www.BootstrapWorld.org/
og:descriptionTeaching Algebra through Computer Science
og:videohttps://youtube.googleapis.com/v/6haTTMiNJxk
og:video:secure_urlhttps://youtube.googleapis.com/v/6haTTMiNJxk
og:image:width1440
og:image:height810
og:imagehttp://www.bootstrapworld.org/images/engineer.jpg
charsetUTF-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
Only 2 paragraph/s was/were found on this page.
There are only 350 words on this page. Good pages should have about 800 words of useful content.
The average number of words per sentence of 30.67 words is high.
29.7% of the text are stop words.
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.
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, user-scalable=no" is provided.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 114 characters this one is longer than 70 characters:
"bootstrap is one of the largest providers of formal cs education to girls and underrepresented student..."
Image SEO
(Somewhat important)
25 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://bootstrapworld.org/images/logo.pngEquity, Scale, Rigor
https://bootstrapworld.org/images/icon.pngBootstrap Icon
/images/STEMworks-logo.pngNo alt attribute provided
/images/accomplished.svgNo alt attribute provided
/images/US-map.pngNo alt attribute provided
https://bootstrapworld.org/impact/URM.pngNo alt attribute provided
/impact/AggregatePrePost.pngNo alt attribute provided
/impact/Equity.pngNo alt attribute provided
https://bootstrapworld.org/impact/Scale.pngNo alt attribute provided
https://bootstrapworld.org/impact/Rigor.pngNo alt attribute provided
/impact/DegreesHeldN96.pngNo alt attribute provided
/impact/TeachingAssignmentN79.pngNo alt attribute provided
/impact/RecommendN70.pngNo alt attribute provided
/impact/TeachAgainN70.pngNo alt attribute provided
https://bootstrapworld.org/impact/MP1.pngNo alt attribute provided
https://bootstrapworld.org/impact/MP2.pngNo alt attribute provided
https://bootstrapworld.org/impact/MP3.pngNo alt attribute provided
https://bootstrapworld.org/impact/MP4.pngNo alt attribute provided
https://bootstrapworld.org/impact/MP5.pngNo alt attribute provided
https://bootstrapworld.org/impact/MP6.pngNo alt attribute provided
https://bootstrapworld.org/impact/MP7.pngNo alt attribute provided
https://bootstrapworld.org/impact/CS.pngNo alt attribute provided
/impact/DesignRecipe.pngNo alt attribute provided
/impact/Familiarity.pngNo alt attribute provided
/impact/Functions.pngNo alt attribute provided
/impact/InterestInMath.pngNo alt attribute provided
/impact/MathRules.pngNo alt attribute provided
Video URLWidthHeight
...k?modestbranding=1&showinfo=0&controls=2560315

Page structure

H1 heading
(Critically important)
Integrated Computing & Data Science, for all students. Rated "Accomplished" by Algebra 2 is now available! (Check out the beta release now, or read our blog post) We craft free, research-based, integrated Computer Science and Data Science modules for Math, Science, Business and Social Studies classes grades 5-12. By supporting non-CS teachers in delivering rigorous and engaging computing content in the classes that every student takes - regardless of gender, race, or background - Bootstrap is on
The H1 heading is too long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Integrated Computing & Data Science, for all students. Rated "Accomplished" by Algebra 2 is now available! (Check out the beta release now, or read our blog post) We craft free, research-based, int...
H2 Bootstrap thanks its supporters
The number of internal links is ok.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 5 external links on this page.

Found links on this page

LinkAttributesAnchor text
/index.shtmlIMG-ALT Equity, Scale, Rigor
/contribute/Contribute
https://twitter.com/bootstrapw...External twitter
https://instagram.com/bootstra...External instagram
https://www.facebook.com/Boots...External Subdomain facebook
/index.shtmlIMG-ALT Bootstrap Icon
https://bootstrapworld.org/impactResearch
/workshops/index.shtmlWorkshops
/materials/latest/en-us/Materials
/materials/algebra/Algebra
/materials/data-science/Data Science
/materials/reactive/Reactive
/materials/physics/Physics
/materials/courses/hour-of-code/Hour of Code
/materials/latest/en-us/Build Your Own
/districtsDistricts
/press/index.shtmlPress
/blog/index.shtmlBlog
https://bootstrapworld.org/storeNew window Store
/community/index.shtmlMeet Our Team
/discussAsk a Question
/mailing-list.shtmlJoin Our Mailing List
https://stemworks.wested.org/b...External Subdomain No Text
/materials/latest/en-us/course...beta release
/blog/curriculum/Algebra-2-and...read our blog post
/impact/girls and underrepresented students nationwide
/community/Our team
https://www.brown.edu/External Subdomain Brown University
/workshops/Professional Development Workshop
/materials/Bootstrap-Overview.pdfone-page overview of Bootstrap here

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://bootstrapworld.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 of 0.74 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 (16 kB).

HTTP Response Header

NameValue
content-typetext/html
content-encodinggzip
varyAccept-Encoding
dateTue, 24 Sep 2024 11:16:09 GMT
serverLiteSpeed
platformhostinger
panelhpanel
content-security-policyupgrade-insecure-requests
access-control-allow-methodsGET,POST
access-control-allow-credentialstrue
access-control-allow-headersauthorization,content-type
alt-svch3=":443"; ma=2592000, h3-29=":443"; ma=2592000, h3-Q050=":443"; ma=2592000, h3-Q046=":443"; ma=2592000, h3-Q043=":443"; ma=2592000, quic=":443"; ma=2592000; v="43,46"
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 405 referring domains.
This page has 91,721 backlinks.
This page has backlinks from 332 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

bootstrapworld.org
Bootstrap
A full, in-school curriculum and software package that teaches children to program their own videogames using purely algebraic concepts.

Most important keywords

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

KeywordResultRecheck
Bootstrap84%Check
Algebra66%Check
students55%Check
Computing55%Check
content55%Check
available55%Check
rigorous55%Check
engaging55%Check
Math52%Check
Accomplished52%Check
Show more keywords and terms

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