4.5 sec in total
477 ms
3.6 sec
339 ms
Welcome to kopalniawiedzy.pl homepage info - get ready to check Kopalnia Wiedzy best content for Poland right away, or after learning these important things about kopalniawiedzy.pl
Najświeższe informacje naukowe i techniczne. Najnowsze osiągnięcia, najważniejsze odkrycia, wynalazki, które zmieniają świat.
Visit kopalniawiedzy.plWe analyzed Kopalniawiedzy.pl page load time and found that the first response time was 477 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
kopalniawiedzy.pl performance score
name
value
score
weighting
Value3.7 s
30/100
10%
Value4.7 s
32/100
25%
Value16.0 s
0/100
10%
Value32,000 ms
0/100
30%
Value0.715
7/100
15%
Value44.2 s
0/100
10%
477 ms
92 ms
182 ms
6 ms
8 ms
Our browser made a total of 147 requests to load all elements on the main page. We found that 27% of them (39 requests) were addressed to the original Kopalniawiedzy.pl, 20% (29 requests) were made to Static.xx.fbcdn.net and 10% (15 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (853 ms) relates to the external source Scontent.xx.fbcdn.net.
Page size can be reduced by 162.9 kB (14%)
1.1 MB
978.4 kB
In fact, the total size of Kopalniawiedzy.pl main page is 1.1 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 894.2 kB which makes up the majority of the site volume.
Potential reduce by 44.0 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 7.8 kB, which is 13% 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 44.0 kB or 75% of the original size.
Potential reduce by 32.2 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. Kopalnia Wiedzy images are well optimized though.
Potential reduce by 64.2 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 64.2 kB or 40% of the original size.
Potential reduce by 22.4 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. Kopalniawiedzy.pl needs all CSS files to be minified and compressed as it can save up to 22.4 kB or 76% of the original size.
Number of requests can be reduced by 66 (47%)
141
75
The browser has sent 141 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kopalnia Wiedzy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
kopalniawiedzy.pl
477 ms
styles.min.css
92 ms
fluid.min.css
182 ms
jquery-1.9.1.min.js
6 ms
jquery-ui.min.js
8 ms
jquery.cookie.js
181 ms
jquery.cookiebar.js
220 ms
carousel.js
220 ms
adsbygoogle.js
10 ms
platform.js
93 ms
ads.js
235 ms
analytics.js
89 ms
all.js
307 ms
twitter.png
343 ms
facebook.png
334 ms
default_large.png
334 ms
photo-1152.png
463 ms
kw-bg.gif
97 ms
kopalniawiedzy-logo.png
96 ms
login.gif
97 ms
search.gif
96 ms
o-drzewo-filgenetyczne.jpg
194 ms
o-tetra.jpg
194 ms
o-chinszczyzna.jpg
399 ms
i-konsola.jpg
195 ms
i-1200999719_101597.jpeg
194 ms
i-mycie-zebow.jpg
193 ms
i-1205852290_416434.jpeg
321 ms
i-nasaklimat.jpg
321 ms
i-tkaniny.jpg
320 ms
btn-start.gif
321 ms
btn-white.gif
320 ms
i-co-sie-dzieje-z-sercem.jpg
446 ms
i-goryl-nizinny.jpg
446 ms
i-nimespochowki.jpg
447 ms
i-cwiczenia.jpg
433 ms
i-1175070945_174199.jpeg
446 ms
i-rudawka-zalobna.jpg
518 ms
i-mysz.jpg
571 ms
i-atlas.jpg
571 ms
i-laboratorium.jpg
570 ms
i-34165928_bc3fc63fb7.jpg
570 ms
n-bm-de85edca02e82c7097848d2f400cd819.jpg
571 ms
n-graphene_sheet-ae45e97de4c33c70b0c7be9f7b8b1261.jpg
622 ms
arrow.png
696 ms
biologia_okladka_300_dpi-b9ba3320055ae8cf35f0e6a9d3a5c8ad.jpg
726 ms
rss.png
638 ms
fb.png
697 ms
bottom-bar.gif
654 ms
ca-pub-5741557688388093.js
115 ms
zrt_lookup.html
51 ms
show_ads_impl.js
55 ms
cb=gapi.loaded_0
24 ms
cb=gapi.loaded_1
76 ms
page
145 ms
collect
22 ms
collect
61 ms
collect
59 ms
collect
61 ms
ads
231 ms
collect
73 ms
osd.js
40 ms
postmessageRelay
56 ms
ads
257 ms
ads
248 ms
rs=AGLTcCMlrrSnUuJtUWsjUb_MEjnrioCipg
36 ms
api.js
78 ms
core:rpc:shindig.random:shindig.sha1.js
218 ms
2536007149-postmessagerelay.js
162 ms
rs=AGLTcCPhDrHY2vagSjsLFOxeufqSzVU3ow
51 ms
rs=AGLTcCM1DeEou84tVCnsR29GLWcfgAn_Dw
111 ms
photo.jpg
214 ms
grlryt2bdKIyfMSOhzd1eA.woff
278 ms
d-QWLnp4didxos_6urzFtg.woff
328 ms
vxNK-E6B13CyehuDCmvQvw.woff
341 ms
13877937926892422862
244 ms
abg.js
152 ms
m_js_controller.js
173 ms
googlelogo_color_112x36dp.png
189 ms
rs=AGLTcCM1DeEou84tVCnsR29GLWcfgAn_Dw
47 ms
243 ms
xd_arbiter.php
234 ms
xd_arbiter.php
508 ms
18024940258076184826
126 ms
rs=AGLTcCM1DeEou84tVCnsR29GLWcfgAn_Dw
88 ms
2549957038406949174
85 ms
s
76 ms
x_button_blue2.svg
89 ms
MdyApZkAHG2-UELdOwjNjjFZXSz-CGj4o1JtDR7aGgs.js
17 ms
ui
40 ms
like_box.php
284 ms
FbUd6dZS1Af.css
285 ms
dGJLq38YL-C.css
352 ms
f7m6HODnCDd.css
424 ms
i5_N_HL0uEJ.css
559 ms
Msuaq9yC6iC.css
566 ms
jDY1W_WL8IJ.css
495 ms
xdwPE4pOJMO.css
496 ms
Vqr3k1iJZIS.js
576 ms
0isED0VVCfd.js
625 ms
ICDbTSzjQEg.js
594 ms
TTCre3391I0.js
594 ms
njO1TPvGzoR.js
641 ms
b_6HNn_J2BZ.js
646 ms
7cm7D75Y0Sf.js
694 ms
rFmE1g6Dkoz.js
825 ms
336JejShbZp.js
644 ms
DKRU1bYTkTw.js
687 ms
W0OV23mIOyO.js
689 ms
D6JJJzT-tB6.js
692 ms
djdR_TwcMvh.js
699 ms
activeview
23 ms
activeview
13 ms
activeview
17 ms
12039463_1037045556328280_6267293221491316167_n.jpg
415 ms
safe_image.php
352 ms
safe_image.php
472 ms
safe_image.php
539 ms
safe_image.php
605 ms
safe_image.php
601 ms
safe_image.php
601 ms
safe_image.php
600 ms
safe_image.php
541 ms
281785_237482586284585_1213808_n.jpg
463 ms
1379841_10150004552801901_469209496895221757_n.jpg
522 ms
10354686_10150004552801856_220367501106153455_n.jpg
590 ms
387604_505502299468381_1265442803_n.jpg
588 ms
12743869_1029540970436831_4359185905315901933_n.jpg
595 ms
12805706_983663455045825_7693879220317180891_n.jpg
594 ms
1549236_1376738245924513_390830406_n.jpg
592 ms
393016_442640729150932_1457203068_n.jpg
592 ms
12246808_1078395462194378_5979198057451890122_n.jpg
654 ms
10678678_738501492882564_4085314861289701268_n.jpg
654 ms
1915322_102261346824471_6601587296407314185_n.jpg
657 ms
12019917_1070471189643571_5156987803918732005_n.jpg
660 ms
1780772_630267767043765_845112947_n.jpg
853 ms
281785_237482586284585_1213808_n.jpg
660 ms
wL6VQj7Ab77.png
91 ms
s7jcwEQH7Sx.png
93 ms
QDwYpIaRyfG.png
93 ms
pimRBh7B6ER.png
94 ms
bNvHN6v1NeH.png
93 ms
t-wz8gw1xG1.png
94 ms
a-ZN6WoEOje.png
134 ms
94 ms
I6-MnjEovm5.js
69 ms
vlXaquuXMrr.js
70 ms
kopalniawiedzy.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
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
kopalniawiedzy.pl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
kopalniawiedzy.pl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
PL
PL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kopalniawiedzy.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Kopalniawiedzy.pl 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.
kopalniawiedzy.pl
Open Graph description is not detected on the main page of Kopalnia Wiedzy. 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: