datasystem.cz

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.datasystem.cz/

Character length : 18

Title

Datasystem s.r.o.

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://datasystem.cz/robots.txt

User-agent	Disallowed for the search engines
*	/cgi-bin

Social

Social Engagement

No info found.

Content

Doctype

HTML 5

Encoding

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

Language

Error! No language localization is found.

Title

Datasystem s.r.o.

Character length : 17

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

Text / HTML ratio

Ratio : 22%

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

Headings

H1	H2	H3	H4	H5	H6
1	0	4	0	0	0

Heading structure in the source code

<H1> DATA System poskytuje zákazníkům své služby již 21 let!
<H3> Aktuálně
<H3> Naši partneři
<H3> TOP produkty a služby
<H3> Z naší kuchyně

Word cloud

školení6
software5
měst5
info5
služby4
naší4
služeb3
data3
system3
carlson3
zpracování3
modely3
autodesku3
digitální3
digitálních2
nabídky2
modelů2
zkušeností2
nově2
skenování2
poslední2
systémů2
let2
našich2
krajiny2
home2
zařazujeme2
cad2
kuchyně2
kanál2
youtube2
novinka2
roce2

Keyword matrix

word	title	descriptions	heading
školení
software
měst
info
služby
naší

Two Word cloud

data system3
digitální modely2

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 22 images on this web page.

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 962px wide display!

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.

Loading time

925 ms

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

https://www.datasystem.cz/js/CreateHTML5Elements.js
https://www.datasystem.cz/js/jquery-1.7.1.min.js
https://www.datasystem.cz/fancybox/jquery.mousewheel-3.0.6.pack.js
https://www.datasystem.cz/fancybox/jquery.fancybox.pack.js?v=2.0.3
https://www.datasystem.cz/js/config.js

List of render blocking css files

https://www.datasystem.cz/style.css
https://www.datasystem.cz/fancybox/jquery.fancybox.css?v=2.0.3

Speed test – Javascript

Javascript

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

http://www.datasystem.cz/js/CreateHTML5Elements.js
http://www.datasystem.cz/js/jquery-1.7.1.min.js
http://www.datasystem.cz/js/config.js

File size of all javascript files combined

1.62MB

Javascript minifying

You can save 336B (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

336.27KB

CSS minifying

You can save 368B (13% compression) on the analysed URL by minifying the CSS files.

By minifying https://www.datasystem.cz/style.css you can save 193B (11% compression rate)
By minifying https://www.datasystem.cz/fancybox/jquery.fancybox.css?v=2.0.3 you can save 175B (16% compression rate)

Speed test – Compression

Uncompressed size of the of the HTML

46.63KB

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
https://static.doubleclick.net/instream/ad_status.js	15 minutes
https://ssl.google-analytics.com/ga.js	2 hours
https://www.google-analytics.com/analytics.js	2 hours

Speed test – Images

File size of all images combined

678.40KB

Image optimisation

You can save 182KB (57% compression) by optimising the images below:

By lossless compressing the https://www.datasystem.cz/banners/banner-130304102538.jpg you can save 63KB (73%) data.
By lossless compressing the https://www.datasystem.cz/banners/banner-130304102614.jpg you can save 54.6KB (71%) data.
By lossless compressing the https://www.datasystem.cz/banners/banner-160804145845.jpg you can save 23.1KB (38%) data.
By lossless compressing the https://www.datasystem.cz/partners/logo-120515132204.jpg you can save 12.3KB (90%) data.
By lossless compressing the https://www.datasystem.cz/banners/banner-170608212954.jpg you can save 12KB (44%) data.
By lossless compressing the https://www.datasystem.cz/partners/logo-120515132411.jpg you can save 4.3KB (53%) data.
By lossless compressing the https://www.datasystem.cz/partners/logo-180410133028.png you can save 3.5KB (29%) data.
By lossless compressing the https://www.datasystem.cz/partners/logo-171101090728.jpg you can save 2.1KB (41%) data.
By lossless compressing the https://www.datasystem.cz/images/logo-datasystem.png you can save 1.2KB (12%) data.
By lossless compressing the https://www.datasystem.cz/images/hledat.gif you can save 1.2KB (69%) data.
By lossless compressing the https://www.datasystem.cz/images/bg-nav.png you can save 1.1KB (49%) data.
By lossless compressing the https://yt3.ggpht.com/.. /photo.jpg you can save 1.1KB (33%) data.
By lossless compressing the https://www.datasystem.cz/images/bg-footer.png you can save 960B (51%) data.
By lossless compressing the https://www.datasystem.cz/images/nav-li.png you can save 909B (87%) data.
By lossless compressing the https://www.datasystem.cz/images/bg.png you can save 657B (14%) data.

Links

We found a total of 33 different links.
Internal links: 26
External links: 7

External links:

Link text (anchor)	Link strength
http://us.kubit-software.com
http://www.carlsonsw.com
http://www.kdata.cz
http://www.geolab.cz
http://www.satlabgps.com
http://www.cgsplus.si
http://egyptologie.ff.cuni.cz

Internal links:

Link text (anchor)	Link strength
Home
Kontakt
O společnosti
Služby
Školení
Software
Hardware
Digitální modely měst
Z naší kuchyně
http://www.datasystem.cz/3d-modelovani-a-vizualizace-v-krajine-m-...
http://www.datasystem.cz/gps-systemy-m-16.html
http://www.datasystem.cz/plotry-canon-m-18.html
http://www.datasystem.cz/skoleni-m-17.html
http://www.datasystem.cz/carlson-software-m-15.html
http://www.datasystem.cz/.. /porizovani-primarnich-dat-pro-projektova...
http://www.datasystem.cz/../laserove-skenovani-m-21.html
http://www.datasystem.cz/podpora-cinnosti-provadene-hornickym-zpu...
více info
více info
více info
více info
více info
Nové termíny školení
Carlson Software
další »
Více

Website security

81.2.209.64

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

terendesign.cz

kneboarealinvest.cz

Icons

Favicon

Good! The website uses favicon.

Order of Heading elements on mobile by position

H1 : DATA System poskytuje zákazníkům své služby již 21 let!, ( 360px from top )
H3 : TOP produkty a služby, ( 381px from top )
H3 : Z naší kuchyně, ( 479px from top )
H3 : Aktuálně, ( 894px from top )
H3 : Naši partneři, ( 1078px from top )

Typos

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SEO report of datasystem.cz