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 Generated on March 22 2016 17:37 PM

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* The results are cached for 30s. If you have made changes to your page, please wait for 30s before re-running the test.

SEO Content

Title Kotlin Programming Language

Length : 27

Perfect, your title contains between 10 and 70 characters.

Length : 0

Description is missing. It will tell search engines and potential visitors what your page is about. Keep it between 70 and 160 characters (spaces included).

Note: Google sometimes chooses not display the description you put in here, but rather shows a part of your page text that it seems relevant to the users search query..
Og Meta Properties Good, your page takes advantage of Og Properties. You can click the expand button below-right to see what it contains.

Property Content
type website
url https://kotlinlang.org/
image https://kotlinlang.org/assets/images/open-graph/kotlin_250x250.png
description Kotlin is a statically typed programming language for the JVM, Android and the browser, 100% interoperable with Java
site_name Kotlin
H1 H2 H3 H4 H5 H6
0 4 15 2 0 0
  • [H2] Why Kotlin?
  • [H2] What does it look like?
  • [H2] Try Kotlin
  • [H2] Stay in touch
  • [H3] Concise
  • [H3] Safe
  • [H3] Versatile
  • [H3] Interoperable
  • [H3] Tooling
  • [H3] Concise
  • [H3] Safe
  • [H3] Versatile
  • [H3] Interoperable
  • [H3] Tooling
  • [H3] Try Online
  • [H3] Compiler
  • [H3] IntelliJ IDEA
  • [H3] Eclipse
  • [H3] Setting Up IntelliJ IDEA
  • [H4] Milestone Versions
  • [H4] Using the Kotlin Nightly Builds
Images We found 3 images on this web page.

Awesome! Most or all of your images have alt attributes.
Text/HTML Ratio Ratio : 0%

This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content. Search engines these days are smart enough to figure out if a page is on-topic and interesting enough to get higher rankings in their search results.

Try to write a good article around 1500 words and check for grammar and spelling errors. As they say in the SEO world: "Content is King."
Flash Perfect, no Flash content has been detected on this page.
Iframe IFrames elements were detected on this page. Search engines cannot read what is inside an IFrame (For example YouTube video's). It's not crucial, but if there is an alternative, please look into it.

URL Rewrite Good!
Underscores in the URLs Perfect! No underscores detected in your URLs.
In-page links We found a total of 57 links including 1 link(s) to files

Anchor Type Juice
Kotlin Internal Passing Juice
Learn Internal Passing Juice
Contribute Internal Passing Juice
Try Online Internal Passing Juice
read more External Passing Juice
- Internal Passing Juice
- Internal Passing Juice
- Internal Passing Juice
- Internal Passing Juice
Download Compiler Internal Passing Juice
Setup Plugin Internal Passing Juice
Setup Plugin Internal Passing Juice
Plugin Repository Internal Passing Juice
JetBrains External noFollow
Industrial Geodetic Systems External noFollow
Prezi.com External noFollow
Bremeld Corp SA External noFollow
Igor Fomin External noFollow
Telegram External noFollow
Wrestler.Unstoppable External noFollow
Uncopt LLC External noFollow
GMC External noFollow
JackOfHearts External noFollow
Schibsted Tech Polska (Omni) External noFollow
Level Money External noFollow
AppDialer External noFollow
Busradar (Busliniensuche) External noFollow
AzaGroup External noFollow
Collokia External noFollow
Edible Day External noFollow
Dojo Madness External noFollow
Bryx 911 External noFollow
DF Studio External noFollow
3D Robotics External noFollow
Trapit External noFollow
Wizbii External noFollow
Roger External noFollow
Catapush External noFollow
Uprizer Labs External noFollow
ZDV External noFollow
BQ External noFollow
FarmLogs External noFollow
StyleShare External noFollow
EL Passion External noFollow
Meizu External noFollow
Diverse, inc. External noFollow
Nulab Inc. External noFollow
Allegro Group. External noFollow
TinyOwl Technology Pvt. Ltd. External noFollow
NBC News Digital, LLC External noFollow
Moshbit GmbH External noFollow
freee K.K. External noFollow
Taskworld External noFollow
Luxoft External noFollow
Vinted External noFollow
99 External noFollow
JetBrains External Passing Juice

SEO Keywords

Keywords Cloud
Keywords Consistency
Keyword Content Title Description Headings


Url Domain : kotlinlang.org
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.


Doctype HTML 5
Encoding Perfect. Your declared charset is UTF-8.
W3C Validity Errors : 3
Warnings : 4
Email Privacy Great! No email address has been found as plain text!
Deprecated HTML Great! We haven't found any deprecated HTML tags.
Speed Tips
Excellent, your website doesn't use nested tables.
Your website is using inline styles.
Great, your website has a few CSS files.
Perfect, your website has a few JavaScript files.
Perfect, your website takes advantage of gzip.


Mobile Optimization
Apple Icon
Meta Viewport Tag
Flash content


XML Sitemap Great, your website has an XML sitemap.

Robots.txt http://kotlinlang.org/robots.txt

Great, your website has a robots.txt file.
Analytics Great, your website has an analytics tool.

   Google Tag Manager

PageSpeed Insights