Analyze BILLA | Kvalita pre každého

BILLA dnes. To najlepšie pre mňa.

Page load speed analysis

  • 64/100

    Normal result
  • 6

    Successful tests
  • 2

    Failed tests
  • First response

    641 ms

  • Resources loaded

    5.7 sec

  • Page rendered

    230 ms

  • Total page load time

    6.5 sec

Click here to check amazing BILLA content for Slovakia. Otherwise, check out these important facts you probably never knew about

We analyzed page load time and found that the first response time was 641 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Page optimization

  • HTML 25.9 kB
    Images 1.7 MB
    Javascripts 246.2 kB
    CSS 149.7 kB

    In fact, the total size of main page is 2.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

    • Original 25.9 kB
    • After minification 23.7 kB
    • After compression 7.6 kB

    HTML optimization

    HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 18.3 kB or 71% of the original size.

    • Original 1.7 MB
    • After optimization 1.6 MB

    Image optimization

    Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. BILLA images are well optimized though.

    • Original 246.2 kB
    • After minification 230.8 kB
    • After compression 74.4 kB

    JavaScript optimization

    It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 171.8 kB or 70% of the original size.

    • Original 149.7 kB
    • After minification 147.1 kB
    • After compression 24.8 kB

    CSS optimization

    CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. needs all CSS files to be minified and compressed as it can save up to 124.9 kB or 83% of the original size.

Network requests diagram

  • dd_bi_mainpage.aspx
  • ddBi_basic.css
  • ddBi_onlineshop.css
  • modernizr-2.8.3-custom.min.js
  • WebResource.axd
  • WNMainPage.js
  • ScriptResource.axd
  • ScriptResource.axd
  • jquery.min.js
  • libs.min.js
  • ddBi_basic.min.js
  • WebResource.axd
  • bgPage.jpg
  • 75796.png
  • 75936.png
  • 39435.png
  • 82669.jpg
  • 82311.jpg
  • 81934.jpg
  • 81981.jpg
  • 39933.jpg
  • 39982.jpg
  • 39971.jpg
  • 39972.jpg
  • 39973.jpg
  • SLK_13975.png
  • bgHeader_new.jpg
  • bgSearchLabel_new.png
  • bgNavigation.png
  • bgMain.png
  • buttons-sprite.png
  • functional-teaser-bottom.png
  • 39965.jpg
  • img_l.jpg
  • 39966.jpg
  • 39967.jpg
  • main-shadow-bottom.png
  • bgFooter.jpg
  • 34300.png
  • 39988.png
  • 76145.png
  • 80821.png
  • img_p.jpg
  • wt
  • table-divider.png
  • slideshow-bullets.svg

Our browser made a total of 48 requests to load all elements on the main page. We found that 92% of them (44 requests) were addressed to the original, 4% (2 requests) were made to and 2% (1 request) were made to The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain

Additional info on


The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BILLA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.









Possible request optimization











Normal result


As for redirects, our browser reached this domain in two steps. The first redirect led to, then it was forwarded to, and finally we managed to open this domain. We strongly recommend that the redirects should be reduced, as the more redirects a site has, the slower it loads.

IP address uses IP address which is currently shared with 4 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Poor result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 300
NS 300
NS 300
NS 300

86400 Mname:
Serial: 2021050701
Refresh: 86400
Retry: 1800
Expire: 604800
Minimum-ttl: 86400

Language and encoding

Normal result


N/A  language flag


EN en language flag





Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

HTTPS certificate

SSL Certificate has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Poor result

Visitor World Map

Country of origin for 99.1% of all visits is Slovakia. It lies approximately 150 miles away from the server location (Austria) and such a small distance can positively affect website speed, as data can travel really fast between those locations.

Good result

Good result

Social Sharing Optimization

Open Graph data is detected on the main page of BILLA. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

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