Docker-curriculum.com - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
64% 
Page structure
62% 
Link structure
75% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.04 s
File size
127.50 kB
Words
12143
Media files
12
Number of links
28 internal / 106 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
A Docker Tutorial for Beginners
The length of the page title is perfect. (283 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Learn to build and deploy your distributed applications easily to the cloud with Docker
The length of the meta description is perfect. (524 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://docker-curriculum.com/
There is a valid canonical link 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 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
HandheldFriendlyTrue
MobileOptimized320
viewportwidth=device-width, initial-scale=1.0
descriptionLearn to build and deploy your distributed applications easily to the cloud with Docker
authorPrakhar Srivastav
keywordsdocker, docker tutorial, docker guide, containers, getting started, beginners
mobile-web-app-capableyes
theme-color#1AC3EF
apple-mobile-web-app-capableyes
application-nameAir Horner
apple-mobile-web-app-status-bar-styleblack
apple-mobile-web-app-titleDocker Curriculum
msapplication-TileColor#1AC3EF
langen-us
twitter:cardsummary_large_image
twitter:urlhttps://docker-curriculum.com/
twitter:creator@prakharsriv9
twitter:titleA Docker Tutorial for Beginners
twitter:descriptionLearn to build and deploy your distributed applications easily to the cloud with Docker
twitter:imagehttps://docker-curriculum.com/images/logo-small.png
og:localeen_US
og:site_nameA Docker Tutorial for Beginners
og:titleA Docker Tutorial for Beginners
og:typearticle
og:urlhttps://docker-curriculum.com/
og:descriptionLearn to build and deploy your distributed applications easily to the cloud with Docker
og:imagehttps://docker-curriculum.com/images/logo-small.png
charsetutf-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
The content of this page is too large (12143 words). Maybe the content could be divided into several pages.
There are 2 text duplicates on this page:
  • Duplicate: $ curl -I 0.0.0.0:5000/hello HTTP/1.0 404 NOT FOUND Content-Type: text...
30.5% of the text are stop words.
The page contains a listing, which indicates a good text layout.
220 paragraphs were found on this page.
No placeholders texts or images were found.
The average number of words per sentence of 15.29 words is good.
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=1.0" is provided.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 76 characters this one is longer than 70 characters:
"package an application with all of its dependencies into a standardized unit"
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

URLAlt attributeTitle
...615cccafa37fe07a63/3e476/images/logo.pngDocker for Beginners logo

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 31 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H2 Introduction
H2 Getting Started
H2 Hello World
H2 Webapps with Docker
H2 Multi-container Environments
H2 Conclusion
H3 What is Docker?
H3 What are containers?
H3 Why use containers?
H3 What will this tutorial teach me?
H3 Prerequisites
H3 Setting up your computer
H3 Playing with Busybox
H3 Docker Run
H3 Terminology
H3 Static Sites
H3 Docker Images
H3 Our First Image
H3 Dockerfile
H3 Docker on AWS
H3 SF Food Trucks
H3 Docker Network
H3 Docker Compose
H3 Development Workflow
H3 AWS Elastic Container Service
H3 Cleanup
H3 Next Steps
H3 Give Feedback
H4 Docker push
H4 Beanstalk
H4 Cleanup Duplicate text
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 too many external links (106) on this page.

Found links on this page

LinkAttributesAnchor text
https://docker-curriculum.com/Anchor ≡
https://docker-curriculum.com/Anchor Introduction
https://docker-curriculum.com/Anchor What is Docker?
https://docker-curriculum.com/Anchor What are containers?
https://docker-curriculum.com/Anchor Why use containers?
https://docker-curriculum.com/Anchor What will this tutorial teach me?
https://docker-curriculum.com/Anchor Getting Started
https://docker-curriculum.com/Anchor Prerequisites
https://docker-curriculum.com/Anchor Setting up your computer
https://docker-curriculum.com/Anchor Hello World
https://docker-curriculum.com/Anchor Playing with Busybox
https://docker-curriculum.com/Anchor Docker Run
https://docker-curriculum.com/Anchor Terminology
https://docker-curriculum.com/Anchor Webapps with Docker
https://docker-curriculum.com/Anchor Static Sites
https://docker-curriculum.com/Anchor Docker Images
https://docker-curriculum.com/Anchor Our First Image
https://docker-curriculum.com/Anchor Dockerfile
https://docker-curriculum.com/Anchor Docker on AWS
https://docker-curriculum.com/Anchor Multi Container Environments
https://docker-curriculum.com/Anchor Food Trucks
https://docker-curriculum.com/Anchor Docker Network
https://docker-curriculum.com/Anchor Docker Compose
https://docker-curriculum.com/Anchor Development Workflow
https://docker-curriculum.com/Anchor AWS Elastic Container Service
https://docker-curriculum.com/Anchor Conclusion
https://docker-curriculum.com/Anchor What Next?
https://docker-curriculum.com/Anchor Give Feedback
https://github.com/prakhar1989...External Star
https://github.com/prakhar1989...External Issue
https://prakhar.me/External Prakhar Srivastav
https://github.com/prakhar1989...External
https://twitter.com/prakharsriv9External
https://github.com/prakhar1989...External Text duplicate Star
https://www.docker.com/External Subdomain Docker
http://aws.amazon.com/External Subdomain Amazon Web Services
https://aws.amazon.com/ec2/External Subdomain EC2
https://aws.amazon.com/elastic...External Subdomain Elastic Beanstalk
https://aws.amazon.com/ecs/External Subdomain Elastic Container Service
http://github.com/prakhar1989/...External Github repo
https://github.com/prakhar1989...External issue
http://aws.amazon.com/External Subdomain Text duplicate Amazon Web Services
https://hub.docker.com/External Subdomain Docker Hub
https://docs.docker.com/docker...External Subdomain Mac
https://docs.docker.com/instal...External Subdomain Linux
https://docs.docker.com/docker...External Subdomain Windows
https://en.wikipedia.org/wiki/...External Subdomain Busybox
https://docs.docker.com/engine...External Subdomain create a docker group
https://hub.docker.com/_/busybox/External Subdomain image
https://hub.docker.com/explore/External Subdomain Docker registry
https://kitematic.com/External Kitematic
https://hub.docker.com/explore/External Subdomain registry
http://github.com/prakhar1989/...External website
https://hub.docker.com/r/prakh...External Subdomain Text duplicate registry
http://localhost:32769/External URL anchor text
http://localhost:32769
http://aws.amazon.com/External Subdomain AWS
https://docs.docker.com/engine...External Subdomain committed
https://hub.docker.com/explore/External Subdomain Text duplicate Docker Hub
http://flask.pocoo.org/External Subdomain Flask
https://github.com/prakhar1989...External Flask app
https://hub.docker.com/_/python/External Subdomain Python 3
https://docs.docker.com/engine...External Subdomain Text duplicate Dockerfile
https://docs.docker.com/engine...External Subdomain Anchor commands
https://docs.docker.com/engine...External Subdomain Anchor CMD
https://hub.docker.com/External Subdomain Docker hub
https://aws.amazon.com/elastic...External Subdomain Text duplicate Elastic Beanstalk
https://aws.amazon.com/ecr/External Subdomain Docker registries
https://docs.docker.com/regist...External Subdomain your own
https://hub.docker.com/External Subdomain Text duplicate Docker Hub
https://hub.docker.com/r/prakh...External Subdomain web page
http://docs.aws.amazon.com/ela...External Subdomain CLI
http://aws.amazon.com/External Subdomain Text duplicate AWS
http://console.aws.amazon.com/External Subdomain console
https://console.aws.amazon.com...External Subdomain Elastic Beanstalk console
https://github.com/prakhar1989...External file
http://docs.aws.amazon.com/ela...External Subdomain Anchor reference
https://docs.aws.amazon.com/el...External Subdomain command-line tool for EB
http://docs.aws.amazon.com/ela...External Subdomain documentation
http://redis.io/External Redis
http://memcached.org/External Memcached
http://martinfowler.com/articl...External microservices
https://medium.com/aws-activat...External Anchor forefront
https://www.elastic.co/product...External Subdomain Elasticsearch
http://github.com/prakhar1989/...External Github
https://store.docker.com/image...External Subdomain Text duplicate image
https://www.docker.elastic.co/External Subdomain own registry
https://github.com/elastic/ela...External Anchor tweak some JVM flags
https://github.com/prakhar1989...External Text duplicate Dockerfile
https://wiki.ubuntu.com/LTSExternal Subdomain Ubuntu LTS
https://github.com/prakhar1989...External Anchor Text duplicate file
https://github.com/prakhar1989...External Anchor Python code
https://docs.docker.com/engine...External Subdomain docs
http://0.0.0.0:5000/External Subdomain URL anchor text
http://0.0.0.0:5000
https://github.com/prakhar1989...External bash script
https://docs.docker.com/machine/External Subdomain Docker Machine
https://docs.docker.com/compose/External Subdomain Text duplicate Docker Compose
https://docs.docker.com/swarm/External Subdomain Docker Swarm
https://kubernetes.io/External Kubernetes
https://news.ycombinator.com/i...External Subdomain Hacker News
https://news.ycombinator.com/i...External Subdomain first comment
https://www.docker.com/blog/we...External Subdomain acquired the company
https://docs.docker.com/compos...External Subdomain instructions
https://github.com/prakhar1989...External Text duplicate file
https://docs.docker.com/compos...External Subdomain online reference
https://docs.docker.com/compos...External Subdomain Anchor docker compose docs
https://github.com/prakhar1989...External Anchor link
https://github.com/prakhar1989...External Anchor case
https://github.com/prakhar1989...External Anchor Text duplicate Dockerfile
https://github.com/prakhar1989...External diff
https://docs.docker.com/compos...External Subdomain Anchor use-cases
https://cloud.google.com/conta...External Subdomain Google Cloud Platform
https://aws.amazon.com/contain...External Subdomain Text duplicate AWS
https://azure.microsoft.com/en...External Subdomain Azure
https://aws.amazon.com/ecs/External Subdomain Elastic Container Service (or ECS)
http://docs.aws.amazon.com/Ama...External Subdomain Text duplicate CLI
http://docs.aws.amazon.com/Ama...External Subdomain official docs
https://docs.aws.amazon.com/Am...External Subdomain official guide
https://docs.aws.amazon.com/cl...External Subdomain Anchor this page
https://console.aws.amazon.com...External Subdomain Anchor EC2 Console
https://aws.amazon.com/cli/External Subdomain AWS CLI
http://docs.aws.amazon.com/cli...External Subdomain guide
https://aws.amazon.com/cloudfo...External Subdomain CloudFormation
https://github.com/prakhar1989...External this file
https://aws.amazon.com/cloudwa...External Subdomain AWS CloudWatch
https://console.aws.amazon.com...External Subdomain Anchor create a log group
http://54.86.14.14/External Subdomain URL anchor text
http://54.86.14.14
https://console.aws.amazon.com...External Subdomain Anchor AWS ECS
https://github.com/veggiemonk/...External Awesome Docker
https://blog.codeship.com/why-...External Subdomain Why Docker
https://www.docker.com/newslet...External Subdomain Docker Weekly
https://blog.docker.com/docker...External Subdomain archives
https://blog.codeship.com/External Subdomain Codeship Blog
https://github.com/prakhar1989...External create an issue
https://twitter.com/prakharsriv9External Twitter

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://docker-curriculum.com/"
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 0.04 seconds.
The file size of the HTML document is fine (128 kB).

HTTP Response Header

NameValue
accept-rangesbytes
age171771
cache-controlpublic,max-age=0,must-revalidate
cache-status"Netlify Edge"; hit
content-encodinggzip
content-typetext/html; charset=UTF-8
dateThu, 18 Jul 2024 10:59:07 GMT
etag"49c892e71d4e250e19f06ed5031361a4-ssl-df"
serverNetlify
strict-transport-securitymax-age=31536000
varyAccept-Encoding
x-nf-request-id01J32QXTB3K8CCJSV555MJWT77
content-length34787
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 715 referring domains.
This page has 2,189 backlinks.
This page has backlinks from 481 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

docker-curriculum.com
A Docker Tutorial for Beginners
Learn to build and deploy your distributed applications easily to the cloud with Docker

Most important keywords

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

KeywordResultRecheck
Docker86%Check
as Docker74%Check
Docker tutorial69%Check
es docker68%Check
Docker Images67%Check
image Docker67%Check
docker build67%Check
Docker Compose66%Check
Docker container66%Check
Docker containers66%Check
Show more keywords and terms

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