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59 alza.sk Last Updated: 9 months

Success 54% of passed verification steps
Warning 23% of total warning
Errors 23% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 71%
Best Practices Desktop Score 77%
SEO Desktop Score 90%
Progressive Web App Desktop Score 35%
Performance Mobile Score 46%
Best Practices Mobile Score 92%
SEO Mobile Score 99%
Progressive Web App Mobile Score 74%
Page Authority Authority 45%
Domain Authority Domain Authority 59%
Moz Rank 4.5/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 67 Characters
ALZA.SK - NAJVÄČŠÍ OBCHOD S POČÍTAČMI A ELEKTRONIKOU | ALZA.SK
Meta Description 160 Characters
Najväčší obchod s počítačmi a elektronikou ✓ 12 predajní, 11 AlzaBoxov a veľký showroom v Bratislave ✓ PC zostavy, notebooky, mobily, monitory, televízory ✓ ...
Effective URL 19 Characters
https://www.alza.sk
Excerpt Page content
Alza.sk - najväčší obchod s počítačmi a elektronikou | Alza.sk Vyberte prvok na stránke, ktorého sa chyba...
Meta Keywords 5 Detected
Keywords Cloud Density
príslušenstvo49 herné28 alza21 90 €17 podľa15 iphone15 xiaomi14 výpredaj14 karty12 elektrické11
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
príslušenstvo 49
herné 28
alza 21
90 € 17
podľa 15
iphone 15
xiaomi 14
výpredaj 14
karty 12
elektrické 11
Google Preview Your look like this in google search result
ALZA.SK - NAJVÄČŠÍ OBCHOD S POČÍTAČMI A ELEKTRONIKOU | AL
https://www.alza.sk
Najväčší obchod s počítačmi a elektronikou ✓ 12 predajní, 11 AlzaBoxov a veľký showroom v Bratislave ✓ PC zostavy, notebooky, mobily, monitory, televí
Robots.txt File Detected
Sitemap.xml File No Found
Whois Is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system
Updated: 1970-01-01 / 51 years
Create on: 1970-01-01 / 51 years
Expires on: 1970-01-01 / 617 months 22 days

ACTI-0024 ACTI-0024 ACTI-0024 ,

ACTIVE 24, s.r.o. Andri Violandi
Page Size Code & Text Ratio
Document Size: ~496.81 KB
Code Size: ~227.83 KB
Text Size: ~268.98 KB Ratio: 54.14%

Estimation Traffic and Earnings

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Technologies

PWA - Manifest

Alza.cz Alza.cz Alza

The web app manifest is a simple JSON file that gives you, the developer, the ability to control how your app appears to the user in areas where they would expect to see apps (for example, a mobile device's home screen)
Param name
Alza.cz
Param short_name
Alza
Param theme_color
#00275b
Param background_color
#00275b
Param start_url
/
Param display
standalone
Param scope
./
Param prefer_related_applications
1
Param gcm_user_visible_only
1
Param gcm_sender_id
338822479972

Desktop

Desktop Screenshot
Minimize third-party usage Third-party code blocked the main thread for 0 ms
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading
Total Blocking Time 110 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
JavaScript execution time 0.9 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Defer offscreen images Potential savings of 312 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Server Backend Latencies 0 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance
Properly size images Potential savings of 36 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 2.6 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 2.6 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle).
Avoids enormous network payloads Total size was 2,236 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work 2.0 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 1.0 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 12 chains found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load
Avoid an excessive DOM size 5,280 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)
First Meaningful Paint 1.0 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 118 requests • 2,236 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Serve static assets with an efficient cache policy 10 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 150 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 3.2 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Network Round Trip Times 0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance
Page load is not fast enough on mobile networks Interactive on simulated mobile network at 16.1 s
A fast page load over a cellular network ensures a good mobile user experience
Estimated Input Latency 30 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy
Minify CSS Potential savings of 25 KB
Minifying CSS files can reduce network payload sizes
Remove unused CSS Potential savings of 196 KB
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity
Serve images in next-gen formats Potential savings of 212 KB
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption
Reduce server response times (TTFB) Root document took 960 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 250 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles

Mobile

Mobile Screenshot
First Meaningful Paint 3.0 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 74 requests • 1,050 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Serve static assets with an efficient cache policy 9 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 800 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 11.7 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Network Round Trip Times 0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance
Page load is not fast enough on mobile networks Interactive at 11.7 s
A fast page load over a cellular network ensures a good mobile user experience
First Contentful Paint (3G) 3360 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Estimated Input Latency 250 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy
Minify CSS Potential savings of 5 KB
Minifying CSS files can reduce network payload sizes
Tap targets are not sized appropriately 98% appropriately sized tap targets
Interactive elements like buttons and links should be large enough (48x48px), and have enough space around them, to be easy enough to tap without overlapping onto other elements
Document uses legible font sizes 93.5% legible text
Font sizes less than 12px are too small to be legible and require mobile visitors to “pinch to zoom” in order to read. Strive to have >60% of page text ≥12px
Remove unused CSS Potential savings of 38 KB
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity
Serve images in next-gen formats Potential savings of 10 KB
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption
Avoid multiple page redirects Potential savings of 780 ms
Redirects introduce additional delays before the page can be loaded
Reduce server response times (TTFB) Root document took 780 ms
Time To First Byte identifies the time at which your server sends a response
Minimize third-party usage Third-party code blocked the main thread for 230 ms
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading
Total Blocking Time 1,110 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 2.7 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Server Backend Latencies 0 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance
Defer offscreen images Potential savings of 2 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Speed Index 5.7 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 11.0 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle).
Avoids enormous network payloads Total size was 1,050 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 5.5 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 1.7 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 4 chains found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load
Avoid an excessive DOM size 955 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)

Speed And Optimization Tips

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Alexa Rank

0

Local Rank: / Users: / PageViews:

Global Rank

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server
HTTP/1.1 200 OK
Server: nginx
Date: Wed, 01 Jan 2020 21:30:08 GMT
Content-Type: text/html; charset=utf-8
Connection: keep-alive
Vary: Accept-Encoding
Set-Cookie: __uzma=f79acd84-cee6-40d9-945d-4d7a8bc9da9d; HttpOnly; Secure; path=/; Expires=Wed, 01-Jul-20 21:30:08 GMT
Set-Cookie: __uzmb=1577914208; HttpOnly; Secure; path=/; Expires=Wed, 01-Jul-20 21:30:08 GMT
Set-Cookie: __uzmc=228281060614; HttpOnly; Secure; path=/; Expires=Wed, 01-Jul-20 21:30:08 GMT
Set-Cookie: __uzmd=1577914208; HttpOnly; Secure; path=/; Expires=Wed, 01-Jul-20 21:30:08 GMT
Set-Cookie: lb_id=64fcb129380b49f86d02e51582eda895; expires=Wed, 01-Jan-20 23:30:08 GMT; max-age=7200; httponly; path=/
Cache-Control: no-cache
Pragma: no-cache
Expires: -1
IsBot: 0
Access-Control-Allow-Origin: http://www.alza.sk
Access-Control-Allow-Credentials: true
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
Feature-Policy: autoplay 'none'; camera 'none'; microphone 'none'; geolocation 'self'
Referrer-Policy: no-referrer-when-downgrade
Content-Security-Policy: frame-ancestors 'self';
Set-Cookie: refer3=http%3a%2f%2fwww.alza.sk%2f%3b; expires=Sat, 01-Feb-2020 21:30:08 GMT; path=/
P3P: CP='IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT'
P3P: CP='IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT'
Set-Cookie: TPL=1; path=/
Set-Cookie: CriticalCSS=8344257; expires=Wed, 08-Jan-2020 21:30:08 GMT; path=/
Set-Cookie: PVCFLP=1; expires=Fri, 01-Jan-2021 21:30:08 GMT; path=/
X-SIPLIST1: 1
X-Frame-Options: SAMEORIGIN
X-Proxy-Cache: BYPASS
Content-Encoding: gzip
DNS Records DNS Resource Records associated with a hostname
View DNS Records

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