Analyze KWB - Bechatw. Kopalnia Wgla Brunatnego

Strona powicona Kopalni Wgla Brunatnego KWB Bechatw. Historia, ciekawostki, zdjcia

Page load speed analysis

  • 55/100

    Normal result
  • 4

    Successful tests
  • 4

    Failed tests
  • First response

    382 ms

  • Resources loaded

    1.6 sec

  • Page rendered

    155 ms

  • Total page load time

    2.1 sec

Welcome to homepage info - get ready to check KWB best content right away, or after learning these important things about

We analyzed page load time and found that the first response time was 382 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Page optimization

  • HTML 12.2 kB
    Images 28.8 kB
    Javascripts 231.3 kB
    CSS 2.0 kB

    In fact, the total size of main page is 274.3 kB. 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. Javascripts take 231.3 kB which makes up the majority of the site volume.

    • Original 12.2 kB
    • After minification 10.1 kB
    • After compression 3.4 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. This page needs HTML code to be minified as it can gain 2.1 kB, which is 17% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 8.8 kB or 72% of the original size.

    • Original 28.8 kB
    • After optimization 25.9 kB

    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. KWB images are well optimized though.

    • Original 231.3 kB
    • After minification 231.2 kB
    • After compression 75.1 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 156.3 kB or 68% of the original size.

    • Original 2.0 kB
    • After minification 1.7 kB
    • After compression 391 B

    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 1.6 kB or 80% of the original size.

Network requests diagram

  • class.css
  • jquery.min.js
  • cookies.js
  • adsbygoogle.js
  • mpdekar_457x114.gif
  • 100_5985m.jpg
  • 100_6000m.jpg
  • 100_6053m.jpg
  • 100_6055m.jpg
  • odkrywka_szczercowm.jpg
  • kwb.jpg
  • ca-pub-3875936821226341.js
  • zrt_lookup.html
  • show_ads_impl.js
  • ads
  • osd.js
  • adj
  • beacon
  • 0
  • surly.js
  • index.html
  • verify_selector.js
  • blank.gif
  • ba.html
  • pixel
  • lidar.js
  • sbhK2lTE.js
  • 4.gif
  • 4311.js
  • pixel
  • pixel
  • cTrvNaRi.html
  • Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js
  • setuid
  • sd
  • verifyr.js
  • beacon.js
  • 0
  • bg.png
  • adchoices.en.png
  • Rejuvenation_728x90_logo.gif
  • box_19_top-right.png
  • ci.png

Our browser made a total of 46 requests to load all elements on the main page. We found that 17% of them (8 requests) were addressed to the original, 13% (6 requests) were made to and 13% (6 requests) were made to The less responsive or slowest element that took the longest time to load (510 ms) relates to the external source

Additional info on


The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KWB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.











Possible request optimization













Normal result

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 14399
NS 21599
NS 21599

21599 Mname:
Serial: 2015102200
Refresh: 86400
Retry: 7200
Expire: 3600000
Minimum-ttl: 86400
MX 14399 Pri: 0

Language and encoding

Poor result


PL pl language flag


N/A  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. Our service has detected that Polish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

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

The server of is located in Poland, but, unfortunately, we cannot identify the countries where the visitors come from and thus it’s impossible to define if the distance can potentially affect the page load time.

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of KWB. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

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