2.1 sec in total
382 ms
1.6 sec
155 ms
Welcome to kwb.pl homepage info - get ready to check KWB best content right away, or after learning these important things about kwb.pl
Strona powicona Kopalni Wgla Brunatnego KWB Bechatw. Historia, ciekawostki, zdjcia
Visit kwb.plWe analyzed Kwb.pl 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 35% of websites can load faster.
kwb.pl performance score
name
value
score
weighting
Value2.2 s
79/100
10%
Value2.5 s
90/100
25%
Value3.3 s
91/100
10%
Value1,110 ms
23/100
30%
Value0
100/100
15%
Value8.7 s
36/100
10%
382 ms
214 ms
8 ms
450 ms
6 ms
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 Kwb.pl, 13% (6 requests) were made to Pagead2.googlesyndication.com and 13% (6 requests) were made to C.betrad.com. The less responsive or slowest element that took the longest time to load (510 ms) relates to the external source Banery.bai.pl.
Page size can be reduced by 106.0 kB (45%)
236.9 kB
130.9 kB
In fact, the total size of Kwb.pl main page is 236.9 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 193.9 kB which makes up the majority of the site volume.
Potential reduce by 8.8 kB
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.
Potential reduce by 2.9 kB
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.
Potential reduce by 92.7 kB
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 92.7 kB or 48% of the original size.
Potential reduce by 1.6 kB
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. Kwb.pl needs all CSS files to be minified and compressed as it can save up to 1.6 kB or 80% of the original size.
Number of requests can be reduced by 22 (51%)
43
21
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.
kwb.pl
382 ms
class.css
214 ms
jquery.min.js
8 ms
cookies.js
450 ms
adsbygoogle.js
6 ms
mpdekar_457x114.gif
510 ms
100_5985m.jpg
215 ms
100_6000m.jpg
216 ms
100_6053m.jpg
217 ms
100_6055m.jpg
220 ms
odkrywka_szczercowm.jpg
221 ms
kwb.jpg
226 ms
ca-pub-3875936821226341.js
50 ms
zrt_lookup.html
37 ms
show_ads_impl.js
55 ms
ads
174 ms
osd.js
3 ms
95 ms
adj
60 ms
beacon
44 ms
19 ms
0
109 ms
surly.js
24 ms
index.html
263 ms
verify_selector.js
183 ms
blank.gif
192 ms
ba.html
11 ms
pixel
23 ms
lidar.js
11 ms
sbhK2lTE.js
73 ms
4.gif
27 ms
4311.js
46 ms
pixel
70 ms
pixel
72 ms
cTrvNaRi.html
9 ms
Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js
3 ms
setuid
88 ms
sd
5 ms
verifyr.js
32 ms
beacon.js
44 ms
0
34 ms
bg.png
38 ms
adchoices.en.png
64 ms
Rejuvenation_728x90_logo.gif
35 ms
box_19_top-right.png
7 ms
ci.png
12 ms
kwb.pl accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
kwb.pl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
kwb.pl SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
PL
N/A
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kwb.pl 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 Kwb.pl 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.
kwb.pl
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: