Kafka.apache.org - SEO Checker

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Overview of the SEO Check
Meta information
79% 
Page quality
55% 
Page structure
79% 
Link structure
98% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.02 s
File size
34.70 kB
Words
451
Media files
17
Number of links
26 internal / 17 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Apache Kafka
The page title is too short. (128 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Apache Kafka: A Distributed Streaming Platform.
The length of the meta description is perfect. (300 pixels out of 1000 max pixel length)
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
Language defined in meta tags: en
Server location: United States of America
The following language is defined by HTML: en
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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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.
The character encoding is not specified in the HTTP header.
Doctype
(Nice to have)
The doctype HTML 4.01 Strict 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
robotsindex,follow
languageen
keywordsapache kafka messaging queuing distributed stream processing
descriptionApache Kafka: A Distributed Streaming Platform.
viewportinitial-scale = 1.0,maximum-scale = 1.0
og:titleApache Kafka
og:imagehttp://apache-kafka.org/images/apache-kafka.png
og:descriptionApache Kafka: A Distributed Streaming Platform.
og:site_nameApache Kafka
og:typewebsite
Content-Typetext/html;charset=UTF-8

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Page quality

Content
(Critically important)
There are only 451 words on this page. Good pages should have about 800 words of useful content.
23.9% of the text are stop words.
The page contains a listing, which indicates a good text layout.
12 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 21.46 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "initial-scale = 1.0,maximum-scale = 1.0" is provided.
Bold and strong tags
(Somewhat important)
The following tag is repeated too often: 10/10
Image SEO
(Somewhat important)
16 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
/images/icons/manufacturing.svgNo alt attribute provided
/images/icons/bank.svgNo alt attribute provided
/images/icons/shield.svgNo alt attribute provided
/images/icons/telecom-tower.svgNo alt attribute provided
/images/hp-icons/icon-high-throughput.svgNo alt attribute provided
/images/hp-icons/icon-scalable.svgNo alt attribute provided
/images/hp-icons/icon-database.svgNo alt attribute provided
/images/hp-icons/icon-high-availability.svgNo alt attribute provided
/images/hp-icons/icon-stream.svgNo alt attribute provided
/images/hp-icons/icon-connect.svgNo alt attribute provided
/images/hp-icons/icon-library.svgNo alt attribute provided
/images/hp-icons/icon-code.svgNo alt attribute provided
/images/hp-icons/icon-vital.svgNo alt attribute provided
/images/hp-icons/icon-trusted.svgNo alt attribute provided
/images/hp-icons/icon-community.svgNo alt attribute provided
/images/hp-icons/icon-online.svgNo alt attribute provided
/images/feather-small.pngApache Feather

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.

Heading structure

Heading levelContent
H2 Apache Kafka
H3 Core Capabilities
H3 Ecosystem
H3 Trust & Ease Of Use
H4 Manufacturing
H4 Banks
H4 Insurance
H4 Telecom
H4 High Throughput
H4 Scalable
H4 Permanent storage
H4 High availability
H4 Built-in Stream Processing
H4 Connect To Almost Anything
H4 Client Libraries
H4 Large Ecosystem Open Source Tools
H4 Mission Critical
H4 Trusted By Thousands of Orgs
H4 Vast User Community
H4 Rich Online Resources
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 17 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://kafka.apache.org/Apache Kafka
https://kafka.apache.org/introIntroduction
/quickstartQuickstart
https://kafka.apache.org/usesUse Cases
/books-and-papersBooks & Papers
https://kafka.apache.org/videosVideos
https://kafka.apache.org/podcastsPodcasts
/documentationDocs
/documentationKey Concepts
/documentationAPIs
/documentationConfiguration
/documentationDesign
/documentationImplementation
/documentationOperations
/documentationSecurity
https://cwiki.apache.org/confl...New window External Subdomain Clients
/documentationKafka Connect
/documentation/streamsKafka Streams
/powered-byPowered By
https://kafka.apache.org/blogNew window Blog
https://kafka-summit.org/New window External Kafka Summit
https://kafka.apache.org/projectProject Info
/trademarkTrademark
https://cwiki.apache.org/confl...New window External Subdomain Ecosystem
https://kafka.apache.org/eventsEvents
https://kafka.apache.org/contactContact us
https://www.apache.org/licenses/New window External Subdomain License
https://www.apache.org/foundat...New window External Subdomain Donate
https://www.apache.org/foundat...New window External Subdomain Sponsors
https://www.apache.org/security/New window External Subdomain Text duplicate Security
https://privacy.apache.org/pol...New window External Subdomain Privacy
https://www.apache.org/New window External Subdomain Apache.org
/downloadsDownload Kafka
/powered-bySee Full List
https://www.apache.org/New window External Subdomain Apache Software Foundation
https://www.apache.org/license...New window External Subdomain Apache License v2
/project-securityNew window Subdomain Text duplicate Security
https://www.apache.org/foundat...New window External Subdomain Text duplicate Donate
https://www.apache.org/foundat...New window External Subdomain Thanks
https://apache.org/events/curr...New window External Text duplicate Events
https://apache.org/licenses/New window External Text duplicate License
https://privacy.apache.org/pol...New window External Subdomain Text duplicate Privacy
https://www.apache.org/New window External Subdomain IMG-ALT Apache Feather

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://kafka.apache.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 excellent with 0.02 seconds.
The file size of the HTML document is fine (35 kB).

HTTP Response Header

NameValue
serverApache
content-encodinggzip
access-control-allow-origin*
content-security-policyframe-src https://youtube.com https://www.youtube.com
content-typetext/html
via1.1 varnish, 1.1 varnish
accept-rangesbytes
dateMon, 23 Sep 2024 20:22:05 GMT
age4858
x-served-bycache-hel1410024-HEL, cache-fra-etou8220155-FRA
x-cacheHIT, HIT
x-cache-hits18, 1
x-timerS1727122926.829541,VS0,VE1
varyAccept-Encoding
strict-transport-securitymax-age=31536000; includeSubDomains; preload
content-length7687
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 8,714 referring domains.
This page has 98,956 backlinks.
This page has backlinks from 5,902 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

kafka.apache.org
Apache Kafka
Apache Kafka: A Distributed Streaming Platform.

Most important keywords

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

KeywordResultRecheck
Apache75%Check
Apache Kafka74%Check
Kafka73%Check
Apache Software55%Check
org50%Check
Apache Software Foundation47%Check
distributed46%Check
streaming46%Check
platform46%Check
streaming platform46%Check
Show more keywords and terms

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