SEO report of learnlib.de

LearnLib | a framework for automata learning

learnlib.de/

Error! The "meta description" is missing, the page has no summary description!


 Tasks

  • Avoid using deprecated HTML tags.

 SEO

URL

Domain : learnlib.de/

Character length : 12

Title
LearnLib | a framework for automata learning
Keywords (meta keywords)
Good! The website does not use “meta keywords”.
Open Graph Protocol

Error! The website does not use the OG (Open Graph) protocol.

Dublin Core
Dublin Core is not used
Underscores in the URLs
Good! No underscore (_) found in the URLs.
Search engine friendly URLs
Good! The website uses SEO friendly URLs.
Checking the robots.txt file
There is robots.txt file.
https://learnlib.de/robots.txt
User-agentDisallowed for the search engines
*
  • /wp-admin/


 Social

Social Engagement

No info found.

 Content

Doctype
HTML 5
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”en”.
Title
LearnLib | a framework for automata learning

Character length : 44

Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 10%

Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
Headings
H1H2H3H4H5H6
219000
Heading structure in the source code
  • <H1> LearnLib
  • <H2> a framework for automata learning
  • <H3> Menu
  • <H1> 
  • <H3> Background
  • <H3> Source Code
  • <H3> Using LearnLib
  • <H3> Contribute
  • <H3> External Links
  • <H3> Recent Posts
  • <H3> Archives
  • <H3> Meta
Word cloud
  • learnlib14
  • source5
  • version4
  • read4
  • code3
  • page3
  • learning3
  • features3
  • wiki2
  • issue2
  • team2
  • github2
  • welcome2
  • note2
  • complete2
  • closed-source2
  • feature2
  • papers2
  • open-source2
  • tracker2
  • some2
  • home2
  • using2
  • wordpress2
  • automata2
  • contribute2
  • automatalib2
  • rss2
  • api2
  • google2
  • browse2
Keyword matrix
wordtitledescriptionsheading
learnlib
source
version
read
code
page
Two Word cloud
  • source code2
404 Page
The website has a 404 error page.
Flash content
Good! The website does not have any flash contents.
Frame
Good! The website does not use iFrame solutions.
Images
We found 0 images on this web page.

Good! Every image has an alternative text attributes set on this website.

 Readability

Flesch–Kincaid Grade Level
5.90
Flesch Reading Ease
59.80
Coleman Liau Index
12.00
Automated Readability Index (ARI)
5.00
Dale–Chall Readability
7.80
SMOG Index
7.90
Spache Readibility
5.00
Number of letters
1575
Number of words
305
Number of sentences
74
Average words per sentences
4
Number of syllables
515
Syllables in words
527
Average syllables in words
1.69
Number of words in first three syllables
49
Percentage of word / syllables
16.07
Words not in Dale-Chall easy-word list
147
Words not in Spache easy-word list
107

 Technologies

Mobile optimization
This website is optimal for mobile devices!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Good! The web address is accessible in only one version. The www version is redirected to the version without www.
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Printability
Suggestion! Unfortunately, no printer-friendly CSS found.
Meta Tag (viewport tag, mobile devices)
Error! The meta tag named viewport is missing.

 Speed test

Server response time
The server response time is fast enough.
Loading time
1,072 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
17
Number of source domains
3
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
  • https://learnlib.de/.. /jquery.slim.min.js?ver=4.9.4
  • https://learnlib.de/.. /popper.min.js?ver=4.9.4
  • https://learnlib.de/.. /bootstrap.min.js?ver=4.9.4
  • https://learnlib.de/.. /navigation.js?ver=4.9.4
List of render blocking css files
  • https://fonts.googleapis.com/css?family=Nunito:300,400,700
  • https://learnlib.de/.. /styles.css?ver=5.0.1
  • https://learnlib.de/wp-content/themes/learnlib/style.css?ver=4.9.4
  • https://learnlib.de/.. /font-awesome.min.css?ver=4.9.4

 Speed test – Javascript

Javascript
Error! Too many javascript files found which slows down the page load on the website.
  • https://learnlib.de/wp-includes/js/jquery/jquery.js?ver=1.12.4
  • https://learnlib.de/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
  • https://learnlib.de/wp-content/plugins/crayon-syntax-highlighter/js/min/crayon.min.js?ver=_2.7.2_beta
  • https://learnlib.de/wp-includes/js/jquery/ui/core.min.js?ver=1.11.4
  • https://learnlib.de/wp-includes/js/jquery/ui/datepicker.min.js?ver=1.11.4
  • https://learnlib.de/wp-content/themes/twentytwelve-learnlib/js/navigation.js?ver=1.0
  • https://learnlib.de/wp-includes/js/wp-embed.min.js?ver=4.7.4
File size of all javascript files combined
139.82KB
Javascript minifying
You can save 683B (33% compression) on the analysed URL by minifying the javascript files.

 Speed test – CSS

CSS
Good! Just a few CSS files are used on this website.
  • https://learnlib.de/wp-content/plugins/contact-form-manager/css/xyz_cfm_shortcode_style.css?ver=4.7.4
  • https://learnlib.de/wp-content/plugins/crayon-syntax-highlighter/css/min/crayon.min.css?ver=_2.7.2_beta
  • https://learnlib.de/wp-content/themes/twentytwelve-learnlib/style.css?ver=4.7.4
  • https://learnlib.de/wp-content/themes/twentytwelve-learnlib/css/learnlib-header.css
File size of all css files combined
516.65KB
CSS minifying
You can save 322.2KB (66% compression) on the analysed URL by minifying the CSS files.

 Speed test – Compression

Uncompressed size of the of the HTML
27.53KB
Gzip compression
Error! By using Gzip you can save 408.5KB (85% compression) on your site.

 Speed test – Browser cache

Number of static resources (image, JS, CSS)
6
Browser cache
The browser cache is not set correctly for all elements.
URLDuration
https://learnlib.de/.. /header-soft.jpgExpiry time is not specified
https://learnlib.de/.. /learning.pngExpiry time is not specified
https://learnlib.de/wp-content/themes/learnlib/public/images/tu.pngExpiry time is not specified
https://learnlib.de/wp-content/uploads/2017/10/artifact-badge.pngExpiry time is not specified
https://learnlib.de/wp-content/uploads/2017/10/features.jpgExpiry time is not specified

 Speed test – Images

File size of all images combined
244.58KB
Image optimisation
You can save 100.5KB (44% compression) by optimising the images below:

 Traffic

Alexa
11525038

 Website security

IP
213.133.104.155
External hidden links
Good! No hidden external links found
Looking for eval()
Good! No eval(bas64_decode()) scripts are found
Checking for XSS vulnerability
No XSS vulnerability found
Email encryption
Good! We have not found any unencrypted email addresses.

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ebp-heiztechnik.de

ebp-heiztechnik.de

reiki-work.de

reiki-work.de

hitengine.de

hitengine.de

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lopez-fotodesign.com

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blind-guardian.com

blind-guardian.com

gamesboutique.de

gamesboutique.de

lopez-fotodesign.de

lopez-fotodesign.de

 Icons

Favicon
Error! No favicon is found. Using favicon helps to build a better brand quicker.

 Order of Heading elements on mobile by position

  • H1 : LearnLib, ( 24px from top )
  • H2 : a framework for automata learning, ( 68px from top )
  • H3 : Menu, ( 116px from top )
  • H1 : , ( 193px from top )
  • H3 : Background, ( 553px from top )
  • H3 : Source Code, ( 702px from top )
  • H3 : Using LearnLib, ( 851px from top )
  • H3 : Contribute, ( 1024px from top )

 Typos

earnlib.de, lpearnlib.de, pearnlib.de, loearnlib.de, oearnlib.de, learnlib.de, earnlib.de, liearnlib.de, iearnlib.de, lkearnlib.de, kearnlib.de, lmearnlib.de, mearnlib.de, l.earnlib.de, .earnlib.de, larnlib.de, lewarnlib.de, lwarnlib.de, lesarnlib.de, lsarnlib.de, learnlib.de, larnlib.de, ledarnlib.de, ldarnlib.de, lefarnlib.de, lfarnlib.de, lerarnlib.de, lrarnlib.de, le3arnlib.de, l3arnlib.de, le4arnlib.de, l4arnlib.de, lernlib.de, leaqrnlib.de, leqrnlib.de, leawrnlib.de, lewrnlib.de, leazrnlib.de, lezrnlib.de, learnlib.de, lernlib.de, leaxrnlib.de, lexrnlib.de, leasrnlib.de, lesrnlib.de, leanlib.de, learenlib.de, leaenlib.de, leardnlib.de, leadnlib.de, learfnlib.de, leafnlib.de, leargnlib.de, leagnlib.de, lear4,nlib.de, lea4,nlib.de, leartnlib.de, leatnlib.de, lear5nlib.de, lea5nlib.de, learlib.de, learnblib.de, learblib.de, learnglib.de, learglib.de, learnhlib.de, learhlib.de, learnjlib.de, learjlib.de, learnmlib.de, learmlib.de, learn lib.de, lear lib.de, learnib.de, learnlpib.de, learnpib.de, learnloib.de, learnoib.de, learnlib.de, learnib.de, learnliib.de, learniib.de, learnlkib.de, learnkib.de, learnlmib.de, learnmib.de, learnl.ib.de, learn.ib.de, learnlb.de, learnliub.de, learnlub.de, learnlijb.de, learnljb.de, learnlib.de, learnlb.de, learnlilb.de, learnllb.de, learnliob.de, learnlob.de, learnli8b.de, learnl8b.de, learnli9b.de, learnl9b.de, learnli*b.de, learnl*b.de, learnli.de, learnlibv.de, learnliv.de, learnlibf.de, learnlif.de, learnlibg.de, learnlig.de, learnlib.de, learnli.de, learnlibh.de, learnlih.de, learnlibn.de, learnlin.de, learnlib .de, learnli .de

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