SEO report of computer-algebra.de
Redirected to www.computer-algebra.de/de/
Computer-Algebra.de
www.computer-algebra.de/de/
Error! The "meta description" is missing, the page has no summary description!
Tasks
- Make the site mobile device friendly.
- Avoid using deprecated HTML tags.
SEO
URL
Domain : www.computer-algebra.de/de/
Character length : 27
Title
Computer-Algebra.de
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://computer-algebra.de/robots.txt
https://computer-algebra.de/robots.txt
| User-agent | Disallowed for the search engines |
|---|---|
| MJ12bot |
|
| AhrefsBot |
|
| JobboerseBot |
|
| seoscanners.net |
|
| * |
|
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: ”de”.
Title
Computer-Algebra.de
Character length : 19
Good! The title’s length is between 10 and 70 characters.
Character length : 19
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 7%
Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
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
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 0 | 0 | 0 | 27 | 0 | 1 |
Heading structure in the source code
- <H6> Erweiterte Suche
- <H4> Newsletter
- <H4> 151,95 EUR* Details Computer Algebra with LISP and REDUCE: An Introduction to Computer-aided Pure Mathematics (Mathematics and Its Applications)
- <H4> 39,99 EUR* Details 4000 Jahre Algebra: Geschichte - Kulturen - Menschen (Vom Zählstein zum Computer)
- <H4> 117,69 EUR* Details Relativity and Scientific Computing: Computer Algebra, Numerics, Visualization
- <H4> 26,60 EUR* Details Computer-Algebra: Ein Kompaktkurs Uber Die Anwendung Von Reduce
- <H4> 50,93 EUR* Details Modern Computer Algebra
- <H4> 64,19 EUR* Details Some Tapas of Computer Algebra (Algorithms and Computation in Mathematics)
- <H4> 96,29 EUR* Details Computer Algebra in Scientific Computing: 11th International Workshop, CASC 2009, Kobe, Japan, September 13-17, 2009, Proceedings (Lecture Notes in Computer Science)
- <H4> 176,54 EUR* Details Petri Net Algebra (Monographs in Theoretical Computer Science. An EATCS Series)
- <H4> 128,39 EUR* Details Advances in Combinatorics: Waterloo Workshop in Computer Algebra, W80, May 26-29, 2011
- <H4> 80,93 EUR* Details Specification, Algebra, and Software: Essays Dedicated to Kokichi Futatsugi (Lecture Notes in Computer Science)
- <H4> 100,95 EUR* Details Computer Algebra in Quantum Field Theory: Integration, Summation and Special Functions (Texts & Monographs in Symbolic Computation)
- <H4> 93,68 EUR* Details Sketching as a Tool for Numerical Linear Algebra (Foundations and Trends(r) in Theoretical Computer Science)
- <H4> 69,90 EUR* Details Computer algebra in coding theory and cryptanalysis: Polynomial system solving for decoding linear codes and algebraic cryptanalysis
- <H4> 123,00 EUR* Details Computer Algebra Recipes: A Gourmet's Guide to the Mathematical Models of Science (Undergraduate Texts in Contemporary Physics)
- <H4> 80,24 EUR* Details CAAP '92: 17th Colloquium on Trees in Algebra and Programming Rennes, France, February 26-28, 1992. Proceedings (Lecture Notes in Computer Science)
- <H4> 74,89 EUR* Details Process Algebra and Probabilistic Methods Performance Modeling and Verification: Second Joint International Workshop PAPM-PROBMIV 2002, Copenhagen, ... (Lecture Notes in Computer Science)
- <H4> 85,59 EUR* Details Higher-Order Algebra, Logic, and Term Rewriting: First International Workshop, HOA '93, Amsterdam, The Netherlands, September 23 - 24, 1993. Selected Papers (Lecture Notes in Computer Science)
- <H4> 67,64 EUR* Details Applied Algebra, Algebraic Algorithms and Error-Correcting Codes: 9th International Symposium, Aaecc-9 New Orleans, La, Usa, October 7-11, 1991 Procee (Lecture Notes in Computer Science)
- <H4> 176,54 EUR* Details Recent Developments in Complex Analysis and Computer Algebra: This conference was supported by the National Science Foundation through Grant ... for ... for Analysis, Applications and Computation)
- <H4> 104,42 EUR* Details A Unifying Framework for Structured Analysis and Design Models: An Approach Using Initial Algebra Semantics and Category Theory (Cambridge Tracts in Theoretical Computer Science, Band 11)
- <H4> 21,31 EUR* Details A Computer Program for Doing Tedious Algebra (Symb66), by Arnold Lapidus, Max Goldstein, and Susan S. Hoffberg
- <H4> 165,84 EUR* Details Geometric Computing with Clifford Algebras: Theoretical Foundations and Applications in Computer Vision and Robotics
- <H4> 120,45 EUR* Details TAPSOFT'97: Theory and Practice of Software Development: 7th International Joint Conference CAAP/FASE, Lille, France, April 14-18, 1997, Proceedings (Lecture Notes in Computer Science)
- <H4> 68,48 EUR* Details Categories and Types in Logic, Language, and Physics: Essays dedicated to Jim Lambek on the Occasion of this 90th Birthday (Lecture Notes in Computer Science)
- <H4> 101,99 EUR* Details MATLAB for Engineers
- <H4> 85,55 EUR* Details Maple via Calculus: A Tutorial Approach
Word cloud
- algebra29
- computer27
- eur26
- details26
- science14
- lecture8
- notes8
- theory7
- logic6
- international6
- theoretical5
- workshop5
- proceedings5
- computing5
- physics4
- mathematics3
- computation3
- software3
- applications3
- process3
- approach3
- analysis3
- clifford3
- language3
- calculus3
- maple3
- rewriting3
- term3
- performance3
- methods3
- modeling3
- joint3
- higher-order3
- probabilistic3
- verification3
- preis3
- specification2
- series2
- essays2
- monographs2
- dedicated2
- geometric2
- texts2
- algebras2
- practice2
- development2
- categories2
- types2
- jim2
- lambek2
- dust2
- contributions2
- september2
- nur2
- algorithms2
- linear2
- foundations2
- papers2
- first2
- second2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| algebra | |||
| computer | |||
| eur | |||
| details | |||
| science | |||
| lecture |
Two Word cloud
- eur details22
- computer science8
- details computer5
- international workshop3
- lecture notes3
- proceedings lecture3
Three Word cloud
- eur details computer5
- proceedings lecture notes3
404 Page
The website has no standard 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 52 images on this web page.
Good! Every image has an alternative text attributes set on this website.
Good! Every image has an alternative text attributes set on this website.
Technologies
Mobile optimization
Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 771px wide display!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Good! The web address is accessible only in one version. The version without www is redirected to the version with 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
610 ms
Table layout
Good! No nested tables found.
Render blocking resources
Good! No render blocking elements found!
Speed test – Javascript
Javascript
Error! Too many javascript files found which slows down the page load on the website.
- http://www.computer-algebra.de/static/script/jquery.js
- http://www.computer-algebra.de/static/script/jquery.fs.selecter.js
- http://www.computer-algebra.de/static/script/jquery.fs.picker.js
- http://www.computer-algebra.de/static/script/jquery.fs.scroller.js
- http://www.computer-algebra.de/static/script/jquery.refineslide.js
- http://www.computer-algebra.de/static/script/bootstrap.js
- http://www.computer-algebra.de/static/script/theme.js
- http://www.computer-algebra.de/static/script/sco.modal.js
- http://www.computer-algebra.de/static/script/sco.confirm.js
- http://www.computer-algebra.de/static/script/sco.ajax.js
- http://www.computer-algebra.de/static/script/sco.collapse.js
- http://www.computer-algebra.de/static/script/sco.countdown.js
- http://www.computer-algebra.de/static/script/sco.message.js
- http://www.computer-algebra.de/static/script/default.js
- http://www.computer-algebra.de/de/saleslead/?domain=computer-algebra.de
File size of all javascript files combined
0.00
Javascript minifying
Great! The Javascript files are minified.
Speed test – CSS
CSS
Error! Too many CSS files detected that slows down the page load.
- http://www.computer-algebra.de/static/style/bootstrap.css
- http://www.computer-algebra.de/static/style/jquery.fs.selecter.css
- http://www.computer-algebra.de/static/style/scojs.css
- http://www.computer-algebra.de/static/style/theme.css
- http://www.computer-algebra.de/static/style/font-awesome.css
- http://www.computer-algebra.de/static/style/refineslide.css
- http://www.computer-algebra.de/static/style/refineslide-theme-dark.css
- http://www.computer-algebra.de/static/style/jquery.fs.scroller.css
- http://www.computer-algebra.de/static/style/jquery.fs.picker.css
- http://www.computer-algebra.de/static/style/default.css
File size of all css files combined
0.00
CSS minifying
Great! The CSS elements are minified.
Speed test – Compression
Uncompressed size of the of the HTML
0.00
Gzip compression
Your site uses compression.
Speed test – Browser cache
Browser cache
The browser cache is set correctly for all elements.
Speed test – Images
File size of all images combined
0.00
Image optimisation
All images are optimized.
Links
We found a total of 118 different links.
Internal links: 118
Internal links: 118
External links:
| Link text (anchor) | Link strength |
|---|
Internal links:
Website security
IP
88.198.231.15
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.
Sites on same ip
Icons
Favicon
Error! No favicon is found. Using favicon helps to build a better brand quicker.
Order of Heading elements on mobile by position
- H6 : Erweiterte Suche, ( 223px from top )
- H4 : Newsletter, ( 689px from top )
- H4 : 151,95 EUR* Details Computer Algebra with LISP and REDUCE: An Introduction to Computer-aided Pure Mathematics (Mathematics and Its Applications) , ( 1252px from top )
- H4 : 39,99 EUR* , ( 1606px from top )
Typos
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