Website review rockthejvm.com
Home | Rock the JVM
Generated on April 10 2026 09:35 AM
Old data? UPDATE !
The score is 67/100
SEO Content
Title
Home | Rock the JVM
Length : 19
Perfect, your title contains between 10 and 70 characters.
Description
Learn Scala, Kotlin, functional programming (Cats Effect, ZIO), big data and streaming (Apache Spark, Apache Flink), all with hands-on online courses.
Length : 150
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Keywords
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Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| image | https://rockthejvm.com/_astro/rock-the-jvm.C5EPcnXf.svg |
| image:alt | Rock the JVM |
| description | Learn Scala, Kotlin, functional programming (Cats Effect, ZIO), big data and streaming (Apache Spark, Apache Flink), all with hands-on online courses. |
| locale | en_US |
| site_name | Rock the JVM |
| title | Home |
| type | website |
| url | https://rockthejvm.com/ |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 8 | 44 | 0 | 0 | 0 |
- [H1] ROCK THE JVM
- [H2] Latest Content
- [H2] Available Courses
- [H2] The Membership
- [H2] The Founder
- [H2] Testimonials
- [H2] Need a course or training session?
- [H2] Footer
- [H2] Subscribe to our newsletter!
- [H3] Latest Articles
- [H3] Latest Videos
- [H3] Bundles
- [H3] The Scala Bundle
- [H3] The Kotlin Bundle
- [H3] The Apache Spark Bundle with Scala
- [H3] The Akka/Apache Pekko Bundle
- [H3] Scala
- [H3] Free! Scala at Light Speed
- [H3] Scala Essentials
- [H3] Scala Projects
- [H3] Advanced Scala
- [H3] Scala Macros and Metaprogramming
- [H3] Scala & Functional Programming Interview Practice
- [H3] Scala 3 New Features
- [H3] Kotlin
- [H3] Free! Kotlin at Light Speed
- [H3] Kotlin Essentials
- [H3] Kotlin Coroutines & Concurrency
- [H3] Advanced Kotlin
- [H3] Typelevel
- [H3] Cats
- [H3] Cats Effect
- [H3] Typelevel Rite of Passage
- [H3] ZIO
- [H3] ZIO
- [H3] ZIO Rite of Passage
- [H3] Apache Spark
- [H3] Apache Spark Essentials with Scala
- [H3] Apache Spark Streaming with Scala
- [H3] Apache Spark Optimization with Scala
- [H3] Apache Spark Performance Tuning with Scala
- [H3] Apache Flink
- [H3] Apache Flink with Scala
- [H3] Akka/Pekko
- [H3] Akka/Apache Pekko Essentials with Scala
- [H3] Akka/Apache Pekko Streams with Scala
- [H3] Akka/Apache Pekko HTTP with Scala
- [H3] Now also for teams!
- [H3] I've taught Scala, Kotlin, Akka, Spark and more in live trainings at some of the best companies in the world.
- [H3] Content
- [H3] Support
- [H3] Company
- [H3] Policies
Images
We found 43 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 1%
This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 41 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Scala Projects | Internal | Passing Juice |
| The Scala Bundle | Internal | Passing Juice |
| The Kotlin Bundle | Internal | Passing Juice |
| The Apache Spark Bundle with Scala | Internal | Passing Juice |
| The Akka/Apache Pekko Bundle | Internal | Passing Juice |
| Scala at Light Speed | Internal | Passing Juice |
| Scala Essentials | Internal | Passing Juice |
| also available for Scala 2 | Internal | Passing Juice |
| Advanced Scala | Internal | Passing Juice |
| also available for Scala 2 | Internal | Passing Juice |
| Scala Macros and Metaprogramming | Internal | Passing Juice |
| Scala & Functional Programming Interview Practice | Internal | Passing Juice |
| Scala 3 New Features | Internal | Passing Juice |
| Kotlin at Light Speed | Internal | Passing Juice |
| Kotlin Essentials | Internal | Passing Juice |
| Kotlin Coroutines & Concurrency | Internal | Passing Juice |
| Advanced Kotlin | Internal | Passing Juice |
| Cats | Internal | Passing Juice |
| Cats Effect | Internal | Passing Juice |
| Typelevel Rite of Passage | Internal | Passing Juice |
| here | Internal | Passing Juice |
| ZIO | Internal | Passing Juice |
| ZIO Rite of Passage | Internal | Passing Juice |
| here | Internal | Passing Juice |
| Apache Spark Essentials with Scala | Internal | Passing Juice |
| Apache Spark Streaming with Scala | Internal | Passing Juice |
| Apache Spark Optimization with Scala | Internal | Passing Juice |
| Apache Spark Performance Tuning with Scala | Internal | Passing Juice |
| Apache Flink with Scala | Internal | Passing Juice |
| Akka/Apache Pekko Essentials with Scala | Internal | Passing Juice |
| classic actors also available | Internal | Passing Juice |
| Akka/Apache Pekko Streams with Scala | Internal | Passing Juice |
| Akka/Apache Pekko HTTP with Scala | Internal | Passing Juice |
| Learn more | Internal | Passing Juice |
| Daniel Ciocîrlan | Internal | Passing Juice |
| Rock the JVM | Internal | Passing Juice |
| Mihai Fecioru | External | Passing Juice |
| Giannis Polyzos | External | Passing Juice |
| Anirban Goswami | External | Passing Juice |
| privacy policy | Internal | Passing Juice |
| cookie policy | Internal | Passing Juice |
SEO Keywords
Keywords Cloud
learn scala functional programming essentials spark apache pekko master course
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| scala | 39 |  |
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| spark | 11 | |
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| apache | 10 | |
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| functional | 7 | |
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| programming | 6 | |
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Usability
Url
Domain : rockthejvm.com
Length : 14
Favicon
Great, your website has a favicon.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Great no email address has been found in plain text!
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
|
Too bad, your website is using inline styles. |
|
Great, your website has few CSS files. |
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Perfect, your website has few JavaScript files. |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://rockthejvm.com/sitemap-index.xml |
Robots.txt
https://rockthejvm.com/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
We didn't detect an analytics tool installed on this website.
Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.
PageSpeed Insights
Device
Categories
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