ventilife.de

Tasks

Make the site mobile device friendly.
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.ventilife.de/

Character length : 17

Title

ZLT Lüftungs- & Brandschutztechnik GmbH

Description

Die ZLT Lüftungs- und Brandschutztechnik GmbH stellt brandschutzgerechte Komponenten für Lüftungsanlagen und Abgasanlagen her.

Keywords (meta keywords)

luftfilter, absperrvorrichtung, brandschutz, brandschutzklappe, deckenschott, entrauchungsanlage, erzgebirge, feuerwiderstand, kaltrauchsperre, oelsnitz, rauchschutzdruckanlage, rda-anlage, überdruckl

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

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

Error! Hyphen (-) is a better solution than underscore (_) in the URLs

http://www.ventilife.de/html/Info_ErP.htm ("Info ErP")
http://www.ventilife.de/html/news_aereco.htm ("ZLT gehört zur AERECO-Gruppe")

Search engine friendly URLs

Good! The website uses SEO friendly URLs.

Checking the robots.txt file

There is robots.txt file.

Social

Social Engagement

No info found.

Content

Doctype

Missing doctype element

Encoding

Perfect! The character encoding is set: ISO-8859-1.

Language

Error! No language localization is found.

Title

ZLT Lüftungs- & Brandschutztechnik GmbH

Character length : 48

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.

Headings

H1	H2	H3	H4	H5	H6
0	0	2	0	0	0

Heading structure in the source code

<H3> Das Komplettprogrammfür Lüftung + Brandschutz
<H3> Bitte wählen Sie eine Produktgruppe

Word cloud

zlt-katalog2
bitte2

Keyword matrix

word	title	descriptions	heading
zlt-katalog
bitte

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 13 images on this web page.

Alternate attributes for the following 12 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.

Technologies

Mobile optimization

Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 950px wide display!

Deprecated HTML elements

Error! Deprecated HTML tags are used on this webpage. You should improve your website.

Deprecated HTML tags	Occurrences
<font>	32

Redirection (www / not www)

Error! The web address is accessible with and without www!

Deprecated HTML elements

Error! Deprecated HTML tags are used on this webpage. You should improve your website.

Deprecated HTML tags	Occurrences
<font>	32

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

307 ms

Table layout

Good! No nested tables found.

Number of HTTP resources

Number of source domains

Render blocking resources

Good! No render blocking elements found!

Speed test – Javascript

Javascript

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

File size of all javascript files combined

0.00

Javascript minifying

Great! The Javascript files are minified.

Speed test – CSS

CSS

Good! Just a few CSS files are used on this website.

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

13.64KB

Gzip compression

Your site uses compression.

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://www.ventilife.de/Grafik/FGK-Logo.png	Expiry time is not specified
http://www.ventilife.de/Grafik/Images/ZLT_Kopf.jpg	Expiry time is not specified
http://www.ventilife.de/Grafik/Images/ZLT_Rand.jpg	Expiry time is not specified
http://www.ventilife.de/Grafik/Images/ZLT_Werksbild_2013_11.jpg	Expiry time is not specified
http://www.ventilife.de/Grafik/Images/pfeil_rt.gif	Expiry time is not specified
http://www.ventilife.de/Grafik/Images/ventidrive.jpg	Expiry time is not specified
http://www.ventilife.de/Grafik/Images/zlt3.jpg	Expiry time is not specified
http://www.ventilife.de/Grafik/Logos/AERECO-Deu.png	Expiry time is not specified
http://www.ventilife.de/Grafik/Logos/AERECO-Franz.png	Expiry time is not specified
http://www.ventilife.de/Grafik/ZLTHaus.jpg	Expiry time is not specified
http://www.ventilife.de/Grafik/spacer.gif	Expiry time is not specified

Speed test – Images

File size of all images combined

177.89KB

Image optimisation

You can save 53.5KB (49% compression) by optimising the images below:

By lossless compressing the http://www.ventilife.de/Grafik/Images/ZLT_Werksbild_2013_11.jpg you can save 37.1KB (57%) data.
By lossless compressing the http://www.ventilife.de/Grafik/Images/ZLT_Kopf.jpg you can save 5.3KB (41%) data.
By lossless compressing the http://www.ventilife.de/Grafik/FGK-Logo.png you can save 4.3KB (32%) data.
By lossless compressing the http://www.ventilife.de/Grafik/Images/zlt3.jpg you can save 2.5KB (39%) data.
By lossless compressing the http://www.ventilife.de/Grafik/Images/ventidrive.jpg you can save 2.2KB (29%) data.
By lossless compressing the http://www.ventilife.de/Grafik/Images/ZLT_Rand.jpg you can save 1.9KB (36%) data.

Links

We found a total of 25 different links.
Internal links: 18
External links: 7

External links:

Link text (anchor)	Link strength
ZLT-Katalog
Transporttarife
Rückruf anfordern
Baurecht
http://www.aereco.de
http://www.aereco.fr
http://www.fgk.de

Internal links:

Link text (anchor)	Link strength
Startseite
Info ErP
Referenzen
Kontakt
Impressum
Datenschutz
VENTIDRIVE®
VENTISAFE®
VENTILOGO®
VENTIHEAT®
VENTIMAX®
VENTIPIPE®
FirePROOF
Jobbörse
ZLT gehört zur AERECO-Gruppe
http://www.ventilife.de/ZLT-Katalog/index.htm
http://www.ventilife.de/html/kontakt.htm
http://www.ventilife.de/html/Umzug.htm

Website security

213.240.172.244

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

windows-mailserver.de

drliferealestate.com

windows-mailserver.com

venticlean.de

ventisafe.de

hydroshop.de

Icons

Favicon

Good! The website uses favicon.

Order of Heading elements on mobile by position

H3 : Das Komplettprogramm für Lüftung + Brandschutz , ( 138.71875px from top )
H3 : Bitte wählen Sie eine Produktgruppe , ( 220.4375px from top )

Typos

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SEO report of ventilife.de