SEO report of joinscrapbook.com

Redirected to www.katacoda.com/

Katacoda - Interactive Learning Platform for Software Engineers

www.katacoda.com/

Learn the latest technologies with our hands-on labs


 Tasks

  • Make the site mobile device friendly.
  • Select one version of your site as main and make a redirect from other versions to that one.
  • Avoid using deprecated HTML tags.

 SEO

URL

Domain : www.katacoda.com/

Character length : 17

Title
Katacoda - Interactive Learning Platform for Software Engineers
Description
Learn the latest technologies with our hands-on labs
Keywords (meta keywords)
Good! The website does not use “meta keywords”.
Open Graph Protocol

Good! The OG (Open Graph) protocol is set on this website.

image: https://www.katacoda.com/images/apple-touch-icon-152x152.png
url: /
title: Katacoda - Interactive Learning Platform for Software Engineers
description: Learn the latest technologies with our hands-on labs

Dublin Core
Dublin Core is not used
Underscores in the URLs
Good! No underscore (_) found in the URLs.
Search engine friendly URLs
Good! The website uses SEO friendly URLs.
Checking the robots.txt file
There is robots.txt file.

 Social

Social Engagement

Linkedin334

Facebook Share0

Facebook Comments0

 Content

Doctype
Missing doctype element
Encoding
Error! The character encoding setting is missing!
Language
Error! No language localization is found.
Title
Katacoda - Interactive Learning Platform for Software Engineers

Character length : 63

Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 16%

Acceptable! The text / code ratio is between 15 and 25 percent.
Headings
H1H2H3H4H5H6
1973000
Heading structure in the source code
  • <H1> Katacoda Interactive Technical Learning Platform
  • <H2> Learn new technologies right in your browser
  • <H3> Interactive Technical Learning Platform for Software Engineers
  • <H4> Learn these technologies (with more to come)
  • <H2> Free Courses
  • <H3> Most Popular Courses
  • <H4> Docker & Containers
  • <H4> Kubernetes
  • <H4> Learn Prometheus
  • <H4> Docker in Production
  • <H4> Docker Swarm Mode
  • <H4> Docker Security
  • <H4> Running .NET in Docker
  • <H4> Running CoreOS
  • <H4> Git Version Control
  • <H4> Running DC/OS
  • <H4> Weave Works
  • <H4> Running Java in Docker
  • <H3> Latest Courses
  • <H4> Learning Tensorflow
  • <H4> Learn CI/CD with Jenkins
  • <H4> Terraform
  • <H2> Open Source Projects
  • <H3> Latest Community Scenarios
  • <H4> Deploying Portainer
  • <H4> Create a DNS Responder
  • <H4> Load Balance Containers using Traefik
  • <H2> Paid Courses
  • <H3> Latest Paid Courses
  • <H4> Securing Containers
  • <H4> Debugging Containers
  • <H2> Playgrounds
  • <H3> Most Popular Playgrounds
  • <H4> CoreOS Playground
  • <H4> DC/OS Playground
  • <H4> Kubernetes Playground
  • <H2> How Katacoda Works
  • <H3> Learn via real-world scenarios
  • <H4> Guided Path
  • <H4> Learn By Doing
  • <H4> Stay Up-To-Date
  • <H2> Why Katacoda Exists
  • <H4> Katacoda's aim is to remove the barriers to new technologies and skills.
  • <H2> What people are saying
  • <H2> Private Learning Environments with Katacoda Enterprise
  • <H4> Create fun ways of learning for your development teams.
  • <H4> Create private environments and content to describe your internal patterns, approaches and technologies. Allow your teams to experiment in a safe environment.
Word cloud
  • learn27
  • start23
  • scenarios20
  • course17
  • how16
  • docker14
  • containers10
  • playground9
  • learning8
  • using7
  • katacoda7
  • courses6
  • interactive5
  • environments5
  • skills5
  • kubernetes4
  • manage4
  • create4
  • new4
  • technologies4
  • running4
  • experiment4
  • coreos4
  • deploy4
  • latest4
  • safe4
  • dc/os4
  • playgrounds4
  • platform3
  • traefik3
  • paid3
  • works3
  • weave3
  • applications3
  • all3
  • portainer3
  • guided3
  • enterprise3
  • best3
  • explore3
  • scenario3
  • inside2
  • version2
  • git2
  • control2
  • dns2
  • open2
  • approaches2
  • source2
  • projects2
  • help2
  • up-to-date2
  • coredns2
  • java2
  • tensorflow2
  • jenkins2
  • net2
  • live2
  • deploying2
  • most2
Keyword matrix
wordtitledescriptionsheading
learn
start
scenarios
course
how
docker
Two Word cloud
  • start course10
  • learn how8
  • containers start3
  • scenarios running3
  • docker containers3
  • docker learn2
Three Word cloud
  • containers start course2
404 Page
The website has a 404 error page.
Flash content
Good! The website does not have any flash contents.
Frame
Good! The website does not use iFrame solutions.

 Technologies

Mobile optimization
Mobilnezet ellenorzes - warning
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Error! The web address is accessible with and without www!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Printability
Suggestion! Unfortunately, no printer-friendly CSS found.
Meta Tag (viewport tag, mobile devices)
Error! The meta tag named viewport is missing.

 Speed test

Server response time
The server response time is fast enough.
Loading time
946 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
65
Number of source domains
9
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
  • https://cdn.trackjs.com/releases/current/tracker.js
  • https://www.katacoda.com/js/vendor/webfont.js
  • https://www.katacoda.com/js/jquery-2.1.1.min.js
List of render blocking css files
  • https://fonts.googleapis.com/css?family=Open+Sans%7CSource+Code+Pro
  • https://www.katacoda.com/css/materialize.min.css
  • https://www.katacoda.com/css/fontawesome.min.css
  • https://www.katacoda.com/css/style2.css

 Speed test – Javascript

Javascript
Good! Just a few javascript files are detected on the website.
  • https://www.katacoda.com/js/vendor/webfont.js
  • https://www.katacoda.com/js/jquery-2.1.1.min.js
  • https://www.katacoda.com/js/vendor/webfont.js
  • https://www.katacoda.com/js/materialize.min.js
  • https://www.katacoda.com/js/application.js
File size of all javascript files combined
1.01MB
Javascript minifying
Great! The Javascript files are minified.

 Speed test – CSS

CSS
Good! Just a few CSS files are used on this website.
  • https://www.katacoda.com/css/materialize.min.css
  • https://www.katacoda.com/css/font-awesome.min.css
  • https://www.katacoda.com/css/style2.css
File size of all css files combined
221.58KB
CSS minifying
Great! The CSS elements are minified.

 Speed test – Compression

Uncompressed size of the of the HTML
38.55KB
Gzip compression
Error! By using Gzip you can save 39.7KB (65% compression) on your site.

 Speed test – Browser cache

Number of static resources (image, JS, CSS)
55
Browser cache
The browser cache is not set correctly for all elements.
URLDuration
https://www.google-analytics.com/analytics.js2 hours
https://www.katacoda.com/css/fontawesome.min.css2 hours
https://www.katacoda.com/css/materialize.min.css2 hours
https://www.katacoda.com/css/style2.css2 hours
https://www.katacoda.com/images/algolia/algolia-powered-by.svg2 hours
https://www.katacoda.com/images/backgrounds/logo-full-body-v2.jpg2 hours
https://www.katacoda.com/images/backgrounds/logo-full-body.png2 hours
https://www.katacoda.com/images/backgrounds/people-working.jpg2 hours
https://www.katacoda.com/images/backgrounds/person-keyboard.jpg2 hours
https://www.katacoda.com/images/backgrounds/rectangles.png2 hours
https://www.katacoda.com/images/feedback/david-mcjannet.png2 hours
https://www.katacoda.com/images/feedback/iancooper.png2 hours
https://www.katacoda.com/images/feedback/julielerman.png2 hours
https://www.katacoda.com/images/feedback/kelsey.png2 hours
https://www.katacoda.com/images/feedback/lukebond.png2 hours
https://www.katacoda.com/images/feedback/milos.png2 hours
https://www.katacoda.com/images/feedback/scottha.png2 hours
https://www.katacoda.com/images/icons/cloud.png2 hours
https://www.katacoda.com/images/icons/code.jpg2 hours
https://www.katacoda.com/images/icons/configure.jpg2 hours
https://www.katacoda.com/images/icons/consul.png2 hours
https://www.katacoda.com/images/icons/coredns.png2 hours
https://www.katacoda.com/images/icons/coreos.png2 hours
https://www.katacoda.com/images/icons/csharp.png2 hours
https://www.katacoda.com/images/icons/do.png2 hours
https://www.katacoda.com/images/icons/done.png2 hours
https://www.katacoda.com/images/icons/golang.png2 hours
https://www.katacoda.com/images/icons/guided.png2 hours
https://www.katacoda.com/images/icons/istio.png2 hours
https://www.katacoda.com/images/icons/jenkins.png2 hours
https://www.katacoda.com/images/icons/kubernetes.png2 hours
https://www.katacoda.com/images/icons/nomad.png2 hours
https://www.katacoda.com/images/icons/openshift.png2 hours
https://www.katacoda.com/images/icons/opentracing.png2 hours
https://www.katacoda.com/images/icons/prometheus.png2 hours
https://www.katacoda.com/images/icons/ruby.png2 hours
https://www.katacoda.com/images/icons/runc.png2 hours
https://www.katacoda.com/images/icons/sysdig.png2 hours
https://www.katacoda.com/images/icons/tensorflow.png2 hours
https://www.katacoda.com/images/icons/terraform.png2 hours
https://www.katacoda.com/images/icons/ubuntu.png2 hours
https://www.katacoda.com/images/icons/weave.png2 hours
https://www.katacoda.com/images/katacoda-course-outline.jpg2 hours
https://www.katacoda.com/images/logo-white.png2 hours
https://www.katacoda.com/javascripts/instant-search.js2 hours
https://www.katacoda.com/js/application.js2 hours
https://www.katacoda.com/js/jquery-2.1.1.min.js2 hours
https://www.katacoda.com/js/materialize.min.js2 hours
https://www.katacoda.com/js/vendor/webfont.js2 hours
https://www.katacoda.com/.. /email-decode.min.js2 days

 Speed test – Images

File size of all images combined
1.23MB
Image optimisation
You can save 158.3KB (47% compression) by optimising the images below:

 Traffic

Alexa
214096

Main traffic sources

 Website security

IP
104.28.4.61
External hidden links
Good! No hidden external links found
Looking for eval()
Good! No eval(bas64_decode()) scripts are found
Checking for XSS vulnerability
No XSS vulnerability found
Email encryption
Good! We have not found any unencrypted email addresses.

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libertynetworkinternational.net

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cashadvancephonenumber.com

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joinscrapbook.com

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techrivermarketing.com

techrivermarketing.com

 Icons

Favicon
Good! The website uses favicon.

 Order of Heading elements on mobile by position

  • H2 : Paid Courses, ( 0px from top )
  • H3 : Latest Paid Courses, ( 0px from top )
  • H4 : Securing Containers, ( 0px from top )
  • H4 : Debugging Containers, ( 0px from top )
  • H2 : Private Learning Environments with Katacoda Enterprise, ( 0px from top )
  • H4 : Create fun ways of learning for your development teams. , ( 0px from top )
  • H4 : Create private environments and content to describe your internal patterns, approaches and technologies. Allow your teams to experiment in a safe environment., ( 0px from top )
  • H1 : Katacoda Interactive Technical Learning Platform, ( 94.390625px from top )
  • H2 : Learn new technologies right in your browser, ( 117.90625px from top )
  • H3 : Interactive Technical Learning Platform for Software Engineers, ( 306.34375px from top )
  • H4 : Learn these technologies (with more to come), ( 583.953125px from top )
  • H2 : Free Courses, ( 818.90625px from top )
  • H3 : Most Popular Courses, ( 1031px from top )
  • H4 : Docker & Containers, ( 1186px from top )

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