semantische-systeme.eu

Tasks

Select one version of your site as main and make a redirect from other versions to that one.
Avoid using deprecated HTML tags.
Implement the viewport meta tag.

SEO

URL

Domain : www.derivo.de/home/

Character length : 19

Title

Home - derivo GmbH

Description

Die derivo GmbH ist eine innovative Firma, spezialisiert auf Semantische Technologien

Keywords (meta keywords)

Semantische Systeme, Semantische Technologien, Semantisches Web, RDF, OWL, OEM, Ontologien, Schlussfolgern, Wissensrepräsentation, derivo

Error! Using “meta keywords” is meaningless in a while.

Open Graph Protocol

Good! The OG (Open Graph) protocol is set on this website.

title: derivo GmbH
type: company
url: http://www.derivo.de/
image: http://www.uni-ulm.de/fileadmin/externe_websites/ext.derivo/images/layout/logo_englisch_01.png
description: derivo GmbH is an innovative company specialized on semantic technologies.
latitude: 48.422836
longitude: 9.957467
street-address: James-Franck-Ring
locality: Ulm
postal-code: 89081
country-name: Germany
phone_number: +49 731 50 24 207

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://derivo.de/robots.txt

User-agent	Disallowed for the search engines
*	All subpages are allowed to crawl

Social

Social Engagement

No info found.

Content

Doctype

Missing doctype element

Encoding

Perfect! The character encoding is set: UTF-8.

Language

We have found the language localisation: ”de”.

Title

Home - derivo GmbH

Character length : 28

Good! The title’s length is between 10 and 70 characters.

Text / HTML ratio

Ratio : 17%

Acceptable! The text / code ratio is between 15 and 25 percent.

Headings

H1	H2	H3	H4	H5	H6
1	1	3	0	0	0

Heading structure in the source code

<H1> Wissen bringt den Erfolg
<H2> Informationen in ihren Zusammenhängen begreifen
<H3> September 2016
<H3>
<H3> News Archiv

Word cloud

derivo4
lösungen3
informationen3
semantischen2
produkte2
new2
gmbh2
unternehmen2
wissen2
home2

Keyword matrix

word	title	descriptions	heading
derivo
lösungen
informationen
semantischen
produkte
new

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 8 images on this web page.

Alternate attributes for the following 1 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.

http://www.derivo.de/fileadmin/_migrated/media/home_de.jpg

Technologies

Deprecated HTML elements

Good! No deprecated HTML tags are detected.

Redirection (www / not www)

Error! The web address is accessible with and 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.

Table layout

Good! No nested tables found.

Number of HTTP resources

Number of source domains

Render blocking resources

The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files

http://derivo.de/typo3temp/javascript_e1f314a320.js?1473182214
http://derivo.de/.. /svgreplace_mod.js

List of render blocking css files

http://derivo.de/typo3temp/stylesheet_a490dd7cbb.css?1473182214
http://derivo.de/.. /skin.css
http://derivo.de/.. /jquery.fancybox-1.3.2.css
http://derivo.de/.. /my_layout.css
http://derivo.de/.. /base.css
http://derivo.de/.. /nav_slidingdoor.css
http://derivo.de/.. /basemod.css
http://derivo.de/.. /content.css
http://derivo.de/.. /rte.css
http://derivo.de/.. /print_draft.css

Speed test – Javascript

Javascript

Good! Just a few javascript files are detected on the website.

File size of all javascript files combined

2.72KB

Javascript minifying

You can save 340B (37% 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.

File size of all css files combined

58.58KB

CSS minifying

You can save 25.1KB (46% compression) on the analysed URL by minifying the CSS files.

By minifying http://derivo.de/.. /base.css you can save 6.1KB (72% compression rate)
By minifying http://derivo.de/.. /nav_slidingdoor.css you can save 4.9KB (50% compression rate)
By minifying http://derivo.de/.. /content.css you can save 4.3KB (52% compression rate)
By minifying http://derivo.de/.. /print_draft.css you can save 2.5KB (82% compression rate)
By minifying http://derivo.de/.. /jquery.fancybox-1.3.2.css you can save 1.7KB (20% compression rate)
By minifying http://derivo.de/.. /rte.css you can save 1.7KB (37% compression rate)
By minifying http://derivo.de/.. /basemod.css you can save 1.4KB (50% compression rate)
By minifying http://derivo.de/typo3temp/stylesheet_a490dd7cbb.css?1473182214 you can save 1.2KB (25% compression rate)
By minifying http://derivo.de/.. /skin.css you can save 822B (19% compression rate)
By minifying http://derivo.de/.. /my_layout.css you can save 436B (64% compression rate)

Speed test – Compression

Uncompressed size of the of the HTML

11.75KB

Gzip compression

Error! By using Gzip you can save 8KB (79% compression) on your site.

By compressing http://derivo.de/.. /nav_slidingdoor.css you can save 8KB (79% compression rate)
By compressing http://www.derivo.de/home you can save 7.8KB (67% compression rate)
By compressing http://derivo.de/.. /jquery.fancybox-1.3.2.css you can save 6.9KB (79% compression rate)
By compressing http://derivo.de/.. /base.css you can save 5.5KB (64% compression rate)
By compressing http://derivo.de/.. /content.css you can save 5.4KB (66% compression rate)
By compressing http://derivo.de/.. /skin.css you can save 3.6KB (83% compression rate)
By compressing http://derivo.de/typo3temp/stylesheet_a490dd7cbb.css?1473182214 you can save 3.6KB (75% compression rate)
By compressing http://derivo.de/.. /rte.css you can save 3.1KB (68% compression rate)
By compressing http://derivo.de/.. /print_draft.css you can save 1.8KB (58% compression rate)
By compressing http://derivo.de/.. /basemod.css you can save 1.7KB (57% compression rate)
By compressing http://derivo.de/.. /svgreplace_mod.js you can save 553B (47% compression rate)
By compressing http://derivo.de/typo3temp/javascript_e1f314a320.js?1473182214 you can save 523B (56% compression rate)
By compressing http://derivo.de/.. /my_layout.css you can save 328B (49% compression rate)

Speed test – Browser cache

Number of static resources (image, JS, CSS)

Browser cache

The browser cache is not set correctly for all elements.

URL	Duration
http://derivo.de/fileadmin/_migrated/media/home_de.jpg	Expiry time is not specified
http://derivo.de/.. /background_white_to_grey_with_lines.png	Expiry time is not specified
http://derivo.de/.. /delicious.png	Expiry time is not specified
http://derivo.de/.. /linkedin.png	Expiry time is not specified
http://derivo.de/.. /sprite.gif	Expiry time is not specified
http://derivo.de/.. /twitter.png	Expiry time is not specified
http://derivo.de/.. /xing.png	Expiry time is not specified
http://derivo.de/.. /logo_deutsch_01.png	Expiry time is not specified
http://derivo.de/.. /printsymbol2.png	Expiry time is not specified

Speed test – Images

File size of all images combined

364.27KB

Image optimisation

You can save 45.6KB (60% compression) by optimising the images below:

By lossless compressing the http://derivo.de/fileadmin/_migrated/media/home_de.jpg you can save 44.5KB (60%) data.
By lossless compressing the http://derivo.de/.. /twitter.png you can save 1,015B (67%) data.
By lossless compressing the http://derivo.de/.. /linkedin.png you can save 119B (35%) data.

Links

We found a total of 19 different links.
Internal links: 11
External links: 8

External links:

Link text (anchor)	Link strength
CODE_n new.New Festival
https://www.newnewfestival.com
Scalable Semantic Web Systems
ISWC
http://delicious.com/save
http://www.twitter.com/derivo
https://www.linkedin.com/company/derivo-gmbh
https://www.xing.com/companies/derivogmbh

Internal links:

Link text (anchor)	Link strength
English
Kontakt
http://www.derivo.de/home
Lösungen
Produkte
Ressourcen
derivo
Konclude
über die derivo GmbH
BA/MA-Abschlussarbeiten
Impressum

Website security

78.46.140.200

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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hamburg-greencapital.de

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tvarenasport.hr

aqualife-fishfeed.gr

phms-server.de

tvarenasport.com

techniker-saar.de

Icons

Favicon

Good! The website uses favicon.

Typos

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SEO report of semantische-systeme.eu