Getbootstrap.com - SEO Checker

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Overview of the SEO Check
Meta information
64% 
Page quality
64% 
Page structure
72% 
Link structure
90% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.12 s
File size
81.10 kB
Words
1340
Media files
6
Number of links
60 internal / 30 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Bootstrap · The most popular HTML, CSS, and JS library in the world.
The page title should be shorter than 580 pixels. It is 622 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Powerful, extensible, and feature-packed frontend toolkit. Build and customize with Sass, utilize prebuilt grid system and components, and bring projects to life with powerful JavaScript plugins.
The meta description is too long: 1178 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://getbootstrap.com/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: Canada
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)
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 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
descriptionPowerful, extensible, and feature-packed frontend toolkit. Build and customize with Sass, utilize prebuilt grid system and components, and bring projects to life with powerful JavaScript plugins.
authorMark Otto, Jacob Thornton, and Bootstrap contributors
generatorAstro v5.9.2
docsearch:languageen
docsearch:version5.3
theme-color#712cf9
langen
twitter:cardsummary_large_image
twitter:site@getbootstrap
twitter:creator@getbootstrap
og:urlhttps://getbootstrap.com/
og:titleBootstrap
og:descriptionPowerful, extensible, and feature-packed frontend toolkit. Build and customize with Sass, utilize prebuilt grid system and components, and bring projects to life with powerful JavaScript plugins.
og:typewebsite
og:imagehttps://getbootstrap.com/docs/5.3/assets/brand/bootstrap-social.png
og:image:typeimage/png
og:image:width2000
og:image:height1000
charsetUTF-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
Words from the H1 heading are not used in the page content.
This page contains 1340 words. That's ok.
26.6% of the text are stop words.
The page contains a listing, which indicates a good text layout.
17 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 14.66 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 usage of strong and bold tags is perfect. We recommend the use of up to 27 tags for this page.
Image SEO
(Somewhat important)
3 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
...3/assets/brand/bootstrap-logo-shadow.pngBootstrap
/docs/5.3/assets/img/webpack.svgNo alt attribute provided
/docs/5.3/assets/img/parcel.pngNo alt attribute provided
/docs/5.3/assets/img/vite.svgNo alt attribute provided
/docs/5.3/assets/img/bootstrap-icons.pngBootstrap Icons
/docs/5.3/assets/img/bootstrap-themes.pngBootstrap Themes

Page structure

H1 heading
(Critically important)
Build fast, responsive sites with Bootstrap
The H1 heading is perfect.
Headings
(Important)
There are 38 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H1 Build fast, responsive sites with Bootstrap
H2 Get started any way you want
H2 Customize everything with Sass
H2 Build and extend in real-time with CSS variables
H2 Components, meet the Utility API
H2 Powerful JavaScript plugins without jQuery
H2 Personalize it with Bootstrap Icons
H2 Make it yours with official Bootstrap Themes
H3 Install via package manager
H3 Include via CDN
H3 Include all of Bootstrap’s Sass
H3 Include what you need
H3 Using CSS variables
H3 Customizing via CSS variables
H3 Quickly customize components
H3 Create and extend utilities
H3 Data attribute API
H3 Comprehensive set of plugins
H4 Read our getting started guides
H4 Alert
H4 Button
H4 Carousel
H4 Collapse
H4 Dropdown
H4 Modal
H4 Offcanvas
H4 Popover
H4 Scrollspy
H4 Tab
H4 Toast
H4 Tooltip
H5 Bootstrap
H5 Links
H5 Guides
H5 Projects
H5 Community
H6 v5 releases
H6 Previous releases
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 (30) on this page.

Found links on this page

LinkAttributesAnchor text
https://getbootstrap.com/Anchor Skip to main content
https://getbootstrap.com/No Text
/docs/5.3/getting-started/intr...Docs
/docs/5.3/examples/Examples
https://icons.getbootstrap.com/New window External Subdomain Icons
https://themes.getbootstrap.com/New window External Subdomain Themes
https://blog.getbootstrap.com/New window External Subdomain Blog
https://github.com/twbsNew window External GitHub
https://x.com/getbootstrapNew window External X
https://opencollective.com/boo...New window External Open Collective
https://getbootstrap.com/Latest (5.3.x)
/docs/5.2/v5.2.3
/docs/5.1/v5.1.3
/docs/5.0/v5.0.2
/docs/4.6/v4.6.x
/docs/3.4/v3.4.1
https://getbootstrap.com/2.3.2/v2.3.2
/docs/versions/All versions
https://www.herodevs.com/suppo...New window External Subdomain Get Security Updates for Bootstrap 3 & 4
/docs/5.3/getting-started/intr...Read the docs
/docs/5.3/getting-started/down...Download
/docs/versions/All releases
/docs/5.3/getting-started/down...Read installation docs
https://github.com/twbs/examples/External use any demo from our Examples repo
/docs/5.3/getting-started/down...Read our installation docs
https://www.jsdelivr.com/packa...External Subdomain jsDelivr
/docs/5.3/getting-started/intr...quick start
/docs/5.3/examplesbrowse the examples
/docs/5.3/getting-started/intr...separately
/docs/5.3/getting-started/webp...Webpack
/docs/5.3/getting-started/parcel/Parcel
/docs/5.3/getting-started/vite/Vite
/docs/5.3/customize/overview/Learn more about customizing
/docs/5.3/customize/optionsglobal Sass options
/docs/5.3/customize/sassusing Bootstrap with Sass
/docs/5.3/customize/css-variablesLearn more about CSS variables
/docs/5.3/customize/css-variab...global :root variables
/docs/5.3/utilities/apiUtility API
/docs/5.3/utilities/positionpositioning
/docs/5.3/utilities/sizingsizing
/docs/5.3/utilities/colorscolors
/docs/5.3/utilities/shadowseffects
/docs/5.3/examples/Explore customized components
/docs/5.3/utilities/api/Explore the utility API
/docs/5.3/getting-started/java...Learn more about Bootstrap JavaScript
/docs/5.3/getting-started/java...our JavaScript as modules
/docs/5.3/getting-started/java...using the programmatic API
/docs/5.3/components/alerts/Alert Show and hide alert messages to your users.
/docs/5.3/components/buttons/Button Programmatically control the active state for buttons.
/docs/5.3/components/carousel/Carousel Add slideshows to any page, including support for crossfade.
/docs/5.3/components/collapse/Collapse Expand and collapse areas of content, or create accordions.
/docs/5.3/components/dropdowns/Dropdown Create menus of links, actions, forms, and more.
/docs/5.3/components/modal/Modal Add flexible and responsive dialogs to your project.
/docs/5.3/components/offcanvas/Offcanvas Build and toggle hidden sidebars into any page.
/docs/5.3/components/popovers/Popover Create custom overlays. Built on Popper.
/docs/5.3/components/scrollspy/Scrollspy Automatically update active nav links based on page scroll.
/docs/5.3/components/navs-tabs/Tab Allow Bootstrap nav components to toggle contents.
/docs/5.3/components/toasts/Toast Show and hide notifications to your visitors.
/docs/5.3/components/tooltips/Tooltip Replace browser tooltips with custom ones. Built on Popper.
https://icons.getbootstrap.com/External Subdomain Bootstrap Icons
https://icons.getbootstrap.com/External Subdomain Get Bootstrap Icons
https://themes.getbootstrap.com/External Subdomain official Bootstrap Themes marketplace
https://themes.getbootstrap.com/External Subdomain Browse Bootstrap Themes
https://getbootstrap.com/Bootstrap
/docs/5.3/about/teamBootstrap team
https://github.com/twbs/bootst...External our contributors
https://github.com/twbs/bootst...New window External MIT
https://creativecommons.org/li...New window External CC BY 3.0
https://getbootstrap.com/Home
/docs/5.3/Text duplicate Docs
/docs/5.3/examplesText duplicate Examples
https://icons.getbootstrap.com/External Subdomain Text duplicate Icons
https://themes.getbootstrap.com/External Subdomain Text duplicate Themes
https://blog.getbootstrap.com/External Subdomain Text duplicate Blog
https://cottonbureau.com/peopl...New window External Swag Store
/docs/5.3/getting-startedGetting started
/docs/5.3/examples/starter-tem...Starter template
/docs/5.3/getting-started/webpackText duplicate Webpack
/docs/5.3/getting-started/parcelText duplicate Parcel
/docs/5.3/getting-started/viteText duplicate Vite
https://github.com/twbs/bootstrapNew window External Bootstrap 5
https://github.com/twbs/bootst...New window External Bootstrap 4
https://github.com/twbs/iconsNew window External Text duplicate Icons
https://github.com/twbs/rfsNew window External RFS
https://github.com/twbs/examplesNew window External Examples repo
https://github.com/twbs/bootst...New window External Issues
https://github.com/twbs/bootst...New window External Discussions
https://github.com/sponsors/twbsNew window External Corporate sponsors
https://opencollective.com/boo...New window External Text duplicate Open Collective
https://stackoverflow.com/ques...New window External Stack Overflow

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://getbootstrap.com/"
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 0.12 seconds.
The file size of the HTML document is fine (81 kB).

HTTP Response Header

NameValue
dateFri, 01 Aug 2025 10:13:48 GMT
content-typetext/html; charset=utf-8
content-length17533
servercloudflare
x-origin-cacheHIT
last-modifiedTue, 17 Jun 2025 16:33:16 GMT
access-control-allow-origin*
etagW/"685198cc-14482"
expiresWed, 30 Jul 2025 16:41:42 GMT
cache-controlmax-age=600
content-encodinggzip
x-proxy-cacheMISS
x-github-request-id17AC:321A18:5EC938:5F7C53:688A48EE
accept-rangesbytes
via1.1 varnish
age475
x-served-bycache-par-lfpb1150029-PAR
x-cacheHIT
x-cache-hits1
x-timerS1754043229.669431,VS0,VE1
varyAccept-Encoding
x-fastly-request-idd299c7bf1154f3014ddbcbd549b3d4f09189de3b
cf-cache-statusDYNAMIC
strict-transport-securitymax-age=31536000; includeSubDomains; preload
x-content-type-optionsnosniff
cf-ray968490a329fbc702-CDG
alt-svch3=":443"; ma=86400
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 20,999 referring domains.
This page has 4,530,437 backlinks.
This page has backlinks from 14,012 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

# www.robotstxt.org
# Allow crawling of all content
User-agent: *
Disallow: 
Sitemap: https://getbootstrap.com/sitemap-index.xml

Similar sites

Search preview

getbootstrap.com
Bootstrap · The most popular HTML, CSS, and JS library in the world.
Powerful, extensible, and feature-packed frontend toolkit. Build and customize with Sass, utilize prebuilt grid system and components, and bring projects to life with powerful JavaScript plugins.

Most important keywords

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

KeywordResultRecheck
Bootstrap81%Check
customize Bootstrap68%Check
Build66%Check
Bootstrap Themes63%Check
Bootstrap Icons63%Check
include Bootstrap62%Check
Install Bootstrap61%Check
bootstrap scss59%Check
import Bootstrap59%Check
official Bootstrap Themes55%Check
Show more keywords and terms

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