Search Engine Optimization Overview
86
100
Kotlin Programming Language
Seo
Title
The title tag is perfect.
Kotlin Programming Language
Meta description
The meta description tag is missing or empty.
Headings
The headings are properly set.
h1
1- A modern programming language that makes developers happier.
h2
5- Try Kotlin
- Latest from Kotlin
- Why Kotlin
- Kotlin Usage Highlights
- Start using Kotlin today! Build your first app in your favorite IDE
h3
18- Multiplatform Mobile
- Server-side
- Web Frontend
- Android
- Kotlin 1.7.20-Beta Released ↗
- KotlinConf returns to Amsterdam in April 2023! ↗
- A New Approach to Incremental Compilation in Kotlin ↗
- Kotlin News: KotlinConf, Build Reports, DataFrame Preview, and More ↗
- Modern, concise and safe programming language
- A productive way to write server‑side applications
- Cross-platform layer for native applications
- Big, friendly and helpful community
- Gradle
- Corda
- Evernote
- Coursera
- Spring
- Atlassian
Content keywords
The content has relevant keywords.
kotlinprogramminglanguage
Image keywords
All images have alt attributes set.
SEO friendly URL
The URL is SEO friendly.
https://kotlinlang.org/
404 page
The website has 404 error pages.
https://kotlinlang.org/404-d677fddffdfa326018d0428a5172a8e5
Robots.txt
The webpage can be accessed by search engines.
Noindex
The webpage does not have a noindex tag set.
In-page links
The number of links on the webpage is okay.
Internals
27- https://kotlinlang.org
- Multiplatform Mobile
- Multiplatform for other platforms
- Server-side
- Web frontend
- Data science
- Android
- Docs
- Community
- Teach
- Get started
- Multiplatform Mobile Share the logic of your Android and iOS apps while keeping UX native
- Server-side Modern development experience with familiar JVM technology
- Web Frontend Extend your projects to web
- Android Recommended by Google for building Android apps
- Multiplatform for Other Platforms
- Data Science
- Get started →
- Learn more →
- Learn about Kotlin Multiplatform → Learn more →
- Join the community →
- Get started
- Contributing to Kotlin
- Releases
- Press Kit
- Security
- Kotlin Foundation
Externals
34- v1.7.20
- Playground
- Hands-on
- Examples
- Koans
- https://www.jetbrains.com/
- JetBrains
- Contributors
- More examples ↗
- https://blog.jetbrains.com/kotlin/2022/09/kotlin-1-7-20-released/
- blog.jetbrains.com Kotlin 1.7.20-Beta Released ↗
- blog.jetbrains.com KotlinConf returns to Amsterdam in April 2023! ↗
- blog.jetbrains.com A New Approach to Incremental Compilation in Kotlin ↗
- blog.jetbrains.com Kotlin News: KotlinConf, Build Reports, DataFrame Preview, and More ↗
- Kotlin blog ↗
- Gradle Gradle is introducing Kotlin as a language for writing build scripts
- Corda Corda is an open-source distributed ledger platform, supported by major banks, and built entirely in Kotlin
- Evernote Evernote recently integrated Kotlin into their Android client
- Coursera Coursera Android app is partially written in Kotlin
- Spring Spring makes use of Kotlin's language features to offer more concise APIs
- Atlassian All new code in the Trello Android app is in Kotlin
- https://github.com/JetBrains/kotlin
- https://twitter.com/kotlin
- https://surveys.jetbrains.com/s3/kotlin-slack-sign-up
- https://www.reddit.com/r/Kotlin/
- https://stackoverflow.com/questions/tagged/kotlin
- https://www.youtube.com/channel/UCP7uiEZIqci43m22KDl0sNw
- Blog
- Issue Tracker
- Brand assets
- Careers
- Apache 2 license
- JetBrains
- https://jetbrains.com
Language
The webpage has the language declared.
en
Favicon
The webpage has a favicon.
https://kotlinlang.org/assets/images/apple-touch-icon-144x144.png?&v=73ddf35e504822ad0deb51e244d8fc9d
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.51 seconds.
Page size
The size of the HTML webpage is 13,647.00.
HTTP requests
There are fewer than 13 HTTP requests on the webpage.
JavaScripts
3- https://kotlinlang.org/_assets/shared.js?&v=1b80b96fc6fcd67040b77621857c6121
- https://kotlinlang.org/_assets/common.js?&v=f4a0deea8377e56fd2fdf1c6fa4aa660
- https://kotlinlang.org/_assets/index.js?&v=96442f671bbffa41cc1f4c5e603fa502
CSS
4- https://kotlinlang.org/_assets/styles-v2.css?&v=ccac1501cf048cb16da2f01204f15d08
- https://kotlinlang.org/_assets/index.css?&v=ba5f91f75bbcec20e9d6390a01d51876
- https://kotlinlang.org/_assets/shared.css
- https://kotlinlang.org/_assets/common.css?&v=c58ca4720f6b3a6bb236db659010ea70
Images
3- https://kotlinlang.org/assets/jetbrains-logo.svg
- https://kotlinlang.org/assets/images/index/banners/kotlin-1.7.20.jpg
- https://kotlinlang.org/assets/images/index/multiplatform.svg
Iframes
3- https://www.googletagmanager.com/ns.html?id=GTM-5P98
- https://www.youtube-nocookie.com/embed/8xAH7RU0Y44
- https://www.youtube-nocookie.com/embed/JGvk4M0Rfxo
Image format
There are 1 images that are not using the AVIF, WebP format.
Images
1- https://kotlinlang.org/assets/images/index/banners/kotlin-1.7.20.jpg
JavaScript defer
The are 3 javascript resources without the defer attribute.
JavaScripts
3- https://kotlinlang.org/_assets/shared.js?&v=1b80b96fc6fcd67040b77621857c6121
- https://kotlinlang.org/_assets/common.js?&v=f4a0deea8377e56fd2fdf1c6fa4aa660
- https://kotlinlang.org/_assets/index.js?&v=96442f671bbffa41cc1f4c5e603fa502
DOM size
The DOM size is optimal.
The HTML file has 346 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://kotlinlang.org/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
AmazonS3
Unsafe cross-origin links
The webpage has 30 unsafe cross-origin links.
Links
30- https://github.com/JetBrains/kotlin/releases/tag/v1.7.20
- https://www.jetbrains.com/
- https://www.jetbrains.com/
- https://github.com/JetBrains/kotlin/graphs/contributors
- https://play.kotlinlang.org/byExample/overview
- https://blog.jetbrains.com/kotlin/2022/09/kotlin-1-7-20-released/
- https://blog.jetbrains.com/kotlin/2022/08/kotlin-1-7-20-beta/
- https://blog.jetbrains.com/kotlin/2022/07/kotlinconf-2023/
- https://blog.jetbrains.com/kotlin/2022/07/a-new-approach-to-incremental-compilation-in-kotlin/
- https://blog.jetbrains.com/kotlin/2022/07/kotlin-news-june/
- https://blog.jetbrains.com/kotlin/
- https://blog.gradle.org/kotlin-meets-gradle
- https://www.corda.net/2017/01/10/kotlin/
- https://blog.evernote.com/tech/2017/01/26/android-state-library/
- https://building.coursera.org/blog/2016/03/16/becoming-bilingual-coursera/
- https://spring.io/blog/2017/01/04/introducing-kotlin-support-in-spring-framework-5-0
- https://twitter.com/danlew42/status/809065097339564032
- https://github.com/JetBrains/kotlin
- https://twitter.com/kotlin
- https://surveys.jetbrains.com/s3/kotlin-slack-sign-up
- https://www.reddit.com/r/Kotlin/
- https://stackoverflow.com/questions/tagged/kotlin
- https://www.youtube.com/channel/UCP7uiEZIqci43m22KDl0sNw
- https://blog.jetbrains.com/kotlin/
- https://youtrack.jetbrains.com/issues/KT
- https://resources.jetbrains.com/storage/products/kotlin/docs/kotlin_logos.zip
- https://www.jetbrains.com/careers/jobs/?team=Kotlin
- https://github.com/JetBrains/kotlin-web-site/blob/master/LICENSE
- https://www.jetbrains.com/
- https://jetbrains.com
Plaintext email
The webpage contains plaintext emails.
Emails
2- alice@mycompany.com
- alice@example.com
Miscellaneous
Structured data
The webpage has structured data.
Open Graph
5Twitter
4
Meta viewport
The webpage has a meta viewport tag set.
width=device-width, initial-scale=1
Character set
The webpage has a charset value set.
utf-8
Sitemap
The website has sitemaps.
Sitemaps
1- https://kotlinlang.org/sitemap.xml
Social
The webpage has 3 social links.
Content length
The webpage has 1,426 words.
Text to HTML ratio
The text to HTML ratio is 20%.
Inline CSS
The webpage does not contain inline CSS code.
Deprecated HTML
There are no deprecated HTML tags on the webpage.