ALZA.SK Alza.sk - najväčší obchod s počítačmi a elektronikou | Alza.sk

alza.sk Website Information

Daily Unique Visits: 12,788

Daily Page Views: 63,940

Income Per Day: $160

Estimated Value: $96,000

This website is located in United States and is using following IP address 104.18.30.184. See the complete list of popular websites hosted in United States.

alza.sk is registered under .SK top-level domain. Please check other sites in .SK zone.

Website alza.sk is using the following name servers:

  • beau.ns.cloudflare.com
  • gigi.ns.cloudflare.com

and is probably hosted by CLOUDFLARENET - Cloudflare, Inc., US. See the full list of other websites hosted by CLOUDFLARENET - Cloudflare, Inc., US.

The highest website alza.sk position in Alexa rank database was 100033 and the lowest rank position was 128005. Current position of alza.sk in Alexa rank database is 106547.

Desktop speed score of alza.sk (80/100) is better than the results of 69.89% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of alza.sk (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.

Mobile speed score of alza.sk (46/100) is better than the results of 27.13% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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alza.sk Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.


alza.sk whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.


Domain: alza.sk
Registrant: A24C-154952
Admin Contact: A24C-154952
Tech Contact: ACTI-0024
Registrar: ACTI-0024
Created: 2004-05-21
Updated: 2022-03-15
Valid Until: 2023-04-24
Nameserver: beau.ns.cloudflare.com
Nameserver: gigi.ns.cloudflare.com
EPP Status: ok

Registrar: ACTI-0024
Name: ACTIVE 24, s.r.o.
Organization: ACTIVE 24, s.r.o.
Organization ID: 25115804
Phone: +421.244460639
Email: registrace@domeny.cz
Street: Sokolovska 394/17
City: Praha
Postal Code: 18600
Country Code: CZ
Created: 2017-09-14
Updated: 2022-08-23

Contact: A24C-154952
Name: Alza.cz a.s.
Organization: Alza.cz a.s.
Organization ID: 27082440
Street: Jankovcova 1522/53
City: Praha 7
Postal Code: 17000
Country Code: CZ
Registrar: ACTI-0024
Created: 2021-06-28
Updated: 2021-06-30

alza.sk server information

Servers Location

alza.sk desktop page speed rank

Last tested: 2017-05-17


Desktop Speed Medium
80/100

alza.sk Desktop Speed Test Quick Summary


priority - 14Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 3 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://i.alza.cz/Scripts/loadCSSScript-2bfed1e36a…e3420945e0d9002cd8c.js
https://i.alza.cz/Scripts/critical-b05d0369e9ea900…4e6a7fef8fb4b665e47.js
https://www.alza.sk/Scripts/lang-SK-1161619848.js

Optimize CSS Delivery of the following:

https://i.alza.cz/Styles/global-full-a4f477599a691…0e782bc72a845dd409.css
https://i.alza.cz/Styles/defaultPage-full-0712555c…3a5e75bbc3fba391a5.css

priority - 5Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 47KiB (34% reduction).

Compressing https://i.alza.cz/Foto/ImgGalery/bannery/leaderboard/810/20104.jpg could save 20.4KiB (40% reduction).
Compressing https://i.alza.cz/Foto/ImgGalery/bannery/leaderboard/810/19359_2.jpg could save 19.8KiB (38% reduction).
Compressing https://i.alza.cz/Styles/full/images/vypredane-vypis.png could save 2.8KiB (31% reduction).
Compressing https://i.alza.cz/Foto/ImgGalery/st-alzapremium.png could save 1.7KiB (14% reduction).
Compressing https://i.alza.cz/Styles/full/images/sprites/loginBtns.png could save 1.6KiB (17% reduction).
Compressing https://i.alza.cz/Foto/f8/TR/TRE011b.jpg could save 750B (11% reduction).

priority - 4Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://nexus-websocket-a.intercom.io/client-test (expiration not specified)
https://nexus-websocket-b.intercom.io/client-test (expiration not specified)
https://www.alza.sk/Services/EShopService.svc/GetDialogHtml (expiration not specified)
https://www.alza.sk/Services/EShopService.svc/GetPopUpDialog (expiration not specified)
https://www.alza.sk/Services/EShopService.svc/GetRegistrationDialog (expiration not specified)
https://www.googletagmanager.com/gtm.js?id=GTM-NM8P6Z (15 minutes)
https://connect.facebook.net/sk_SK/all.js (20 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.alza.sk/Scripts/lang-SK-1161619848.js (4 days)

alza.sk Desktop Resource Breakdown

Total Resources84
Number of Hosts19
Static Resources58
JavaScript Resources17
CSS Resources5

alza.sk mobile page speed rank

Last tested: 2017-05-17


Mobile Speed Bad
46/100

alza.sk Mobile Speed Test Quick Summary


priority - 64Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://i.alza.cz/Scripts/default-mobile-c5ed426dd…6adcf8f7fe7f79691aa.js
https://i.alza.cz/Scripts/defaultPage-mobile-bc4ab…cbbb19b38827c26c047.js

Optimize CSS Delivery of the following:

https://i.alza.cz/Styles/global-mobile-b245c612b2d…10ffaf1925afb3dd8d.css
https://i.alza.cz/Styles/other-mobile-b35ac0f5fea6…edd4526eaa2dbeaaff.css

priority - 51Avoid landing page redirects

Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://alza.sk/
https://www.alza.sk/
http://m.alza.sk/default.aspx
https://m.alza.sk/default.aspx

priority - 8Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.

Only about 57% of the final above-the-fold content could be rendered with the full HTML response.

priority - 3Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 26KiB (41% reduction).

Compressing https://i.alza.cz/Foto/ImgGalery/bannery/leaderboard/414/20104.jpg could save 8.8KiB (42% reduction).
Compressing https://i.alza.cz/Foto/ImgGalery/bannery/leaderboard/414/19359_2.jpg could save 8.7KiB (39% reduction).
Compressing https://i.alza.cz/Foto/ImgGalery/bannery/leaderboard/414/20246_2.jpg could save 8.4KiB (42% reduction).

priority - 2Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://www.googletagmanager.com/gtm.js?id=GTM-NM8P6Z (15 minutes)
https://connect.facebook.net/sk_SK/all.js (20 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://m.alza.sk/Scripts/lang-SK-213877807.js (4 days)

alza.sk Mobile Resource Breakdown

Total Resources37
Number of Hosts14
Static Resources20
JavaScript Resources7
CSS Resources2

alza.sk mobile page usability

Last tested: 2017-05-17


Mobile Usability Good
99/100

alza.sk Mobile Usability Test Quick Summary


priority - 0Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="/" class="sel">Alza</a> is close to 1 other tap targets.

alza.sk HTML validation

Errors

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

Line: 4 Column: 76 - 150
"...=utf-8" /><meta id="contentLanguage" http-equiv="Content-Language" content="sk-SK" /><meta ..."

CSS: “padding-bottom”: Parse Error.

Line: 40 Column: - 98
"...-aspect-ratio)));}[style*="--a..."

Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.

Line: 41 Column: 1 - 23
"...}</style> <alza-component-head /> <met..."

Attribute “name” not allowed on element “meta” at this point.

Line: 43 Column: 1 - 43
"...-head /> <meta name="og:site_name" content="Alza" /><meta ..." Line: 43 Column: 207 - 425
"...:1002/" /><meta name="og:description" content="Najväčší obchod s počítačmi a elektronikou! 10 predajní, PC zostavy, notebooky, monitory, tlačiarne, PDA, softvér, MP3, digitálne foto-video. Všetko na sklade, ihneď k odoslaniu!" /><meta ..."

Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.

Line: 43 Column: 1 - 43
"...-head /> <meta name="og:site_name" content="Alza" /><meta ..." Line: 43 Column: 207 - 425
"...:1002/" /><meta name="og:description" content="Najväčší obchod s počítačmi a elektronikou! 10 predajní, PC zostavy, notebooky, monitory, tlačiarne, PDA, softvér, MP3, digitálne foto-video. Všetko na sklade, ihneď k odoslaniu!" /><meta ..."

Stray end tag “head”.

Line: 43 Column: 523 - 529
"...sk.jpg" /></head> <body..."

Start tag “body” seen but an element of the same type was already open.

Line: 44 Column: 1 - 70
".../></head> <body class="default alza-sk alza" style="background-color: #bae2fc;"> <form..."

Cannot recover after last error. Any further errors will be ignored.

Line: 44 Column: 1 - 70
".../></head> <body class="default alza-sk alza" style="background-color: #bae2fc;"> <form..."

Warnings

The “type” attribute is unnecessary for JavaScript resources.

Line: 9 Column: 903 - 998
"...ossorigin><script type="text/javascript" src="https://cdn.alza.sk/dist/b/loadCSSScript-0329ea6436.min.js"></scri..." Line: 10 Column: 1 - 31
"...</script> <script type="text/javascript"> w..." Line: 38 Column: 1 - 91
"...noscript> <script type="text/javascript" src="https://cdn.alza.sk/dist/b/critical-0ea4affd06.min.js"></scri..."

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alza.sk Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.


alza.sk TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.