Scala-lang.org - SEO Checker

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Overview of the SEO Check
Meta information
75% 
Page quality
91% 
Page structure
67% 
Link structure
70% 
Server
95% 
External factors
100% 
SEO Score
Response time
2.88 s
File size
57.50 kB
Words
2013
Media files
19
Number of links
41 internal / 62 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
The Scala Programming Language
The length of the page title is perfect. (313 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Server location: United States of America
The language is not specified in the HTML markup.
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 character encoding is not specified in the HTTP header.
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
viewportwidth=device-width, initial-scale=1
msapplication-TileColor#15a9ce
theme-color#ffffff
twitter:cardsummary
twitter:site@scala_lang
twitter:creator@scala_lang
og:titleThe Scala Programming Language
og:urlhttps://www.scala-lang.org/
og:imagehttps://www.scala-lang.org/resources/img/scala-spiral-3d-2-toned-down.png
Content-Typetext/html; charset=UTF-8
charsetUTF-8

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Page quality

Content
(Critically important)
These Typos were found:
  • accross => across
This page contains 2013 words. That's ok.
25.9% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
44 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 10.02 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 40 tags for this page.
Image SEO
(Somewhat important)
4 images have no alt attribute. The content of alt attributes is used by search engines.
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
...es/img/frontpage/[email protected]No alt attribute provided
/resources/img/frontpage/scala-spiral.pngNo alt attribute provided
/resources/img/icons/icon5.svgServer-side
/resources/img/icons/icon11.svgData Processing
/resources/img/frontpage/notebook.pngNotebook
/resources/img/icons/icon4.svgCommand Line
/resources/img/icons/icon8.svgFrontend Web
/resources/img/frontpage/scaladex-logo.pngNo alt attribute provided
/resources/img/frontpage/java-logo.pngthe Java Virtual Machine
/resources/img/frontpage/js-logo.pngwith JavaScript in your browser
/resources/img/frontpage/llvm-logo.pngnatively with LLVM
/resources/img/icons/icon7.svgIdeal for teaching
...urces/img/frontpage/scalacenter-logo.pngScala Center
/resources/img/frontpage/lightbend-logo.pngLightbend
/resources/img/frontpage/virtuslab-logo.pngVirtusLab
/resources/img/frontpage/epfl-logo.pngEPFL
/resources/img/frontpage/jetbrains-logo.pngJetBrains
/resources/img/frontpage/company-logo.pngYour company
...urces/img/frontpage/scala-logo-white.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
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 A programming language that scales with you: from small scripts to large multiplatform applications.
H2 Proven Use Cases
H2 Scala runs on the following platforms...
H2 Ideal for teaching
H2 The Scala language is maintained by
H3 Expressive
H3 Scalable
H3 Safe
H3 Server-side
H3 Principled Concurrency
H3 A Mature Ecosystem of Libraries
H3 Case Study: Reusable Code with Tapir
H3 Data Processing
H3 Big Data Analysis
H3 Notebooks
H3 Command Line
H3 The power of Scala in one file
H3 Get productive with the Scala Toolkit
H3 Package to native, deploy easily
H3 Frontend Web
H3 Portable Code and Libraries
H3 Interoperability with JavaScript
H3 Powerful User Interface Libraries
H3 Readable and Versatile
H3 The Scala Center is supported by
H3 Documentation
H3 Download
H3 Community
H3 Contribute
H3 Scala
H3 Social
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are too many external links (62) on this page.

Found links on this page

LinkAttributesAnchor text
/news/post-mortem-3.6.0.htmlPostmortem of Scala 3.6.0
https://www.scala-lang.org/No Text
https://docs.scala-lang.org/External Subdomain Learn
/download/Install
https://scastie.scala-lang.org/External Subdomain Playground
https://index.scala-lang.org/External Subdomain Find a Library
/community/Community
/governance/Governance
https://www.scala-lang.org/blog/Blog
/download/3.5.2.htmlLatest Release: 3.5.2
/download/3.3.4.htmlLTS Release: 3.3.4
/download/all.htmlScala 2.13.15 and older releases
https://scastie.scala-lang.org...New window External Subdomain Run in playground
https://scastie.scala-lang.org...New window External Subdomain Text duplicate Run in playground
https://scastie.scala-lang.org...New window External Subdomain Text duplicate Run in playground
https://scastie.scala-lang.org...New window External Subdomain Text duplicate Run in playground
https://docs.scala-lang.org/ge...External Subdomain GET STARTED
https://docs.scala-lang.org/to...External Subdomain Overview
https://docs.scala-lang.org/sc...External Subdomain Guide
https://docs.scala-lang.org/on...External Subdomain Courses
https://docs.scala-lang.org/External Subdomain DOCUMENTATION
https://docs.scala-lang.org/ap...External Subdomain API Docs
https://docs.scala-lang.org/sc...External Subdomain Migrate to Scala 3
https://www.scala-lang.org/Anchor Creating Services
https://www.scala-lang.org/Anchor No Text
https://typelevel.org/cats-eff...New window External Cats Effect
https://http4s.org/New window External http4s
https://index.scala-lang.org/a...New window External Subdomain Anchor libraries for Concurrency and distribution
https://index.scala-lang.org/a...New window External Subdomain Find the right library for your next Scala project
https://tapir.softwaremill.com...New window External Subdomain Tapir
https://tapir.softwaremill.com...New window External Subdomain Read more in the Tapir docs
https://www.scala-lang.org/Anchor back to top
https://www.scala-lang.org/Anchor Processing data
https://www.scala-lang.org/Anchor No Text
https://spark.apache.org/New window External Subdomain Spark
https://kafka.apache.org/New window External Subdomain Kafka
https://hadoop.apache.org/New window External Subdomain Hadoop
https://flink.apache.org/New window External Subdomain Flink
https://cassandra.apache.org/New window External Subdomain Cassandra
https://delta.io/New window External Delta Lake
https://index.scala-lang.org/a...New window External Subdomain Anchor Libraries for processing big data
https://almond.sh/New window External almond Jupyter kernel
https://zeppelin.apache.org/New window External Subdomain Zeppelin
https://polynote.org/latest/New window External Polynote
https://index.scala-lang.org/a...New window External Subdomain Anchor Libraries for big data and visualisation
https://www.scala-lang.org/Anchor Text duplicate back to top
https://www.scala-lang.org/Anchor Scripting Utilities
https://www.scala-lang.org/Anchor No Text
https://scala-cli.virtuslab.org/New window External Subdomain read more on the Scala CLI website
https://docs.scala-lang.org/to...New window External Subdomain find useful snippets in the Toolkit Tutorials
https://scala-cli.virtuslab.or...New window External Subdomain other ways to package applications
https://www.scala-lang.org/Anchor Text duplicate back to top
https://www.scala-lang.org/Anchor building frontend
https://www.scala-lang.org/Anchor No Text
https://github.com/softwaremil...New window External sttp
https://github.com/com-lihaoyi...New window External upickle
https://index.scala-lang.org/s...New window External Subdomain More Scala.js libraries and frameworks
https://scalablytyped.org/New window External ScalablyTyped
http://www.scala-js.org/librar...New window External Subdomain Scala.js facades for popular JavaScript libraries
https://laminar.dev/New window External Laminar
https://slinky.dev/New window External Slinky
https://tyrian.indigoengine.io/New window External Subdomain Tyrian
https://github.com/japgolly/sc...New window External scalajs-react
https://index.scala-lang.org/a...New window External Subdomain See more Scala.js libraries for frontend and UI
https://www.scala-lang.org/Anchor Text duplicate back to top
https://scaladex.scala-lang.org/New window External Subdomain No Text
https://scaladex.scala-lang.or...External Subdomain Awesome Scala
https://scala-lang.org/IMG-ALT the Java Virtual Machine
https://www.scala-js.org/External Subdomain IMG-ALT with JavaScript in your browser
https://scala-native.org/External IMG-ALT natively with LLVM
https://www.scala-lang.org/Anchor Why teach Scala?
https://www.scala-lang.org/Anchor No Text
/teach.htmlTeaching
https://scala.epfl.ch/External Subdomain IMG-ALT Scala Center
https://www.lightbend.com/External Subdomain IMG-ALT Lightbend
https://virtuslab.com/External IMG-ALT VirtusLab
https://www.epfl.ch/External Subdomain IMG-ALT EPFL
https://www.jetbrains.com/External Subdomain IMG-ALT JetBrains
https://scala.epfl.ch/corporat...External Subdomain IMG-ALT Your company
https://docs.scala-lang.org/ge...External Subdomain Getting Started
/api/current/index.htmlSubdomain API
https://docs.scala-lang.org/ov...External Subdomain Overviews/Guides
/files/archive/spec/2.13/Language Specification
/download/Current Version
/download/all.htmlAll versions
/community/Text duplicate Community
/ambassadors/Scala Ambassadors
/community/index.htmlForums
/community/index.htmlChat
/community/index.htmlLibraries and Tools
https://scala.epfl.ch/External Subdomain The Scala Center
/contribute/How to help
/contribute/bug-reporting-guid...Report an Issue
/governance/Text duplicate Governance
https://www.scala-lang.org/blog/Text duplicate Blog
/conduct.htmlCode of Conduct
/license/License
/security/Security Policy
https://github.com/scalaExternal GitHub
https://fosstodon.org/@scala_langExternal Mastodon
https://twitter.com/scala_langExternal Twitter
https://discord.com/invite/scalaExternal Discord
https://www.linkedin.com/compa...External Subdomain LinkedIn

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.scala-lang.org/"
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 very slow (2.88 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is fine (58 kB).

HTTP Response Header

NameValue
dateFri, 01 Nov 2024 04:23:34 GMT
content-typetext/html
last-modifiedFri, 01 Nov 2024 01:45:13 GMT
varyAccept-Encoding
access-control-allow-origin*
cf-cache-statusDYNAMIC
report-to{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=FAMVsiTlf0DjSHfXHytvoF%2FgH0TlOyH831bSQrtT5KKy0qe4QOZ1RliUU9l1DtjU1YXlBLHhktZbAiVeywfoeXhV17ZpNnvrfZrITIXa4ZTZnZh3DYDjXDsWsQtt0H%2BZztBroe4%3D"}],"group":"cf-nel","max_age":604800}
nel{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
servercloudflare
cf-ray8db91c27ca679e85-CDG
content-encodinggzip
alt-svch3=":443"; ma=86400
server-timingcfL4;desc="?proto=TCP&rtt=14157&sent=8&recv=10&lost=0&retrans=0&sent_bytes=3420&recv_bytes=944&delivery_rate=204838&cwnd=34&unsent_bytes=0&cid=4f21d83e8974e78b&ts=2388&x=0"
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 6,529 referring domains.
This page has 1,965,208 backlinks.
This page has backlinks from 4,055 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Allow: /
Disallow: /old/

Similar sites

Search preview

www.scala-lang.org
The Scala Programming Language

Most important keywords

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

KeywordResultRecheck
Scala70%Check
Scala Programming61%Check
Scala Programming Language59%Check
Scala Center57%Check
age56%Check
Scala libraries56%Check
Scala Toolkit55%Check
language54%Check
Programming Language54%Check
Scala CLI53%Check
Show more keywords and terms

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