Quartz-scheduler.org - SEO Checker

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Overview of the SEO Check
Meta information
95% 
Page quality
34% 
Page structure
95% 
Link structure
98% 
Server
95% 
External factors
100% 
SEO Score
Response time
0.50 s
File size
10.10 kB
Words
158
Media files
4
Number of links
11 internal / 12 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Quartz Enterprise Job Scheduler
The length of the page title is perfect. (293 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
A full-featured, Java-based, In-process job scheduler.
The length of the meta description is perfect. (326 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.quartz-scheduler.org/
There is a valid canonical link 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 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
descriptionA full-featured, Java-based, In-process job scheduler.
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
There are only 158 words on this page. Use at least 250 words to provide useful information.
Only 1 paragraph/s was/were found on this page.
The average number of words per sentence of 27.67 words is high.
28.5% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 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
/images/logo-quartz-scheduler.pngNo alt attribute provided
/images/Quartz_Logo_large.jpgNo alt attribute provided
/images/Terracotta_Logo_sm.pngNo alt attribute provided
/images/ehcache.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
Job Scheduler
The H1 heading is too short (13 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Job Scheduler
H2 What is the Quartz Job Scheduling Library?
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 12 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.quartz-scheduler.org/No Text
/overview/About
/documentation/Docs
/downloads/Download
/community/Contributing
https://github.com/quartz-sche...New window External Users - post Q&A topic
https://github.com/quartz-sche...New window External Developers - post Idea or General topic
https://github.com/quartz-sche...External GitHub
https://github.com/quartz-sche...External Text duplicate GitHub
/downloads/Downloads
/documentation/Documentation
https://github.com/quartz-sche...External GitHub Project
/documentation/2.5.0-SNAPSHOT/...richly featured
http://www.apache.org/licenses...External Subdomain Apache 2.0 license
http://www.terracotta.org/External Subdomain No Text
http://www.ehcache.org/External Subdomain No Text
https://twitter.com/terracotta...External Twitter
https://www.facebook.com/Terra...External Subdomain Facebook
http://www.linkedin.com/compan...External Subdomain LinkedIn
https://github.com/quartz-sche...External Text duplicate GitHub
/downloads/Download Now
/documentation/Text duplicate Documentation
/community/Join the Community

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.quartz-scheduler.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time of 0.50 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (10 kB).

HTTP Response Header

NameValue
dateFri, 18 Apr 2025 15:57:20 GMT
content-typetext/html; charset=utf-8
servercloudflare
last-modifiedWed, 16 Oct 2024 14:50:37 GMT
access-control-allow-origin*
x-xss-protection1; mode=block
expiresWed, 02 Apr 2025 02:43:45 GMT
cache-controlmax-age=600
x-frame-optionsSAMEORIGIN
x-proxy-cacheMISS
x-github-request-id1A71:63289:1272191:12A2B1B:67ECA208
x-content-type-optionsnosniff
via1.1 varnish
age349
x-served-bycache-fra-eddf8230020-FRA
x-cacheHIT
x-cache-hits1
x-timerS1744991840.446824,VS0,VE2
varyAccept-Encoding
x-fastly-request-id065a9ffa357e789f4a80c37847881463a92efb58
cf-cache-statusDYNAMIC
content-encodingzstd
cf-ray93255b7a8a5e0071-CDG
alt-svch3=":443"; ma=86400
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 126 referring domains.
This page has 2,541 backlinks.
This page has backlinks from 116 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

www.quartz-scheduler.org
Quartz Enterprise Job Scheduler
A full-featured, Java-based, In-process job scheduler.

Most important keywords

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

KeywordResultRecheck
Scheduler87%Check
Job Scheduler83%Check
Job77%Check
Quartz Job72%Check
Enterprise Job Scheduler68%Check
Quartz Enterprise Job Scheduler66%Check
Quartz63%Check
Job Scheduling60%Check
Jobs Job58%Check
Job Scheduling Library53%Check
Show more keywords and terms

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