3.7 sec in total
778 ms
2.6 sec
384 ms
Welcome to coderslab.pl homepage info - get ready to check Coders Lab best content for Poland right away, or after learning these important things about coderslab.pl
Rozwijaj się w IT z naszą szkołą IT! Odkryj różnorodne kursy programowania, machine learningu i wiele innych. Sprawdź nasze kursy już teraz! 💻
Visit coderslab.plWe analyzed Coderslab.pl page load time and found that the first response time was 778 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
coderslab.pl performance score
name
value
score
weighting
Value2.3 s
76/100
10%
Value24.5 s
0/100
25%
Value18.2 s
0/100
10%
Value28,890 ms
0/100
30%
Value0.094
91/100
15%
Value36.6 s
0/100
10%
778 ms
20 ms
218 ms
239 ms
242 ms
Our browser made a total of 87 requests to load all elements on the main page. We found that 66% of them (57 requests) were addressed to the original Coderslab.pl, 7% (6 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Dev.coderslab.pl. The less responsive or slowest element that took the longest time to load (953 ms) belongs to the original domain Coderslab.pl.
Page size can be reduced by 1.4 MB (59%)
2.3 MB
972.4 kB
In fact, the total size of Coderslab.pl main page is 2.3 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. 65% of websites need less resources to load. Javascripts take 829.3 kB which makes up the majority of the site volume.
Potential reduce by 96.8 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. 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 96.8 kB or 81% of the original size.
Potential reduce by 150.3 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. Obviously, Coders Lab needs image optimization as it can save up to 150.3 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 566.6 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 566.6 kB or 68% of the original size.
Potential reduce by 561.3 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. Coderslab.pl needs all CSS files to be minified and compressed as it can save up to 561.3 kB or 84% of the original size.
Number of requests can be reduced by 45 (59%)
76
31
The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coders Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.
coderslab.pl
778 ms
webfont.js
20 ms
wp-emoji-release.min.js
218 ms
js_composer_front.css
239 ms
jquery.fancybox.min.css
242 ms
reset.min.css
245 ms
newtheme1.css
243 ms
styles.css
246 ms
cli-style.css
336 ms
settings.css
359 ms
css
23 ms
checkbox.min.css
363 ms
bootstrap.min.css
483 ms
bootstrap-responsive.min.css
364 ms
font-awesome.min.css
5 ms
style.css
496 ms
responsive.css
454 ms
jquery.js
599 ms
jquery-migrate.min.js
495 ms
cookielawinfo.js
494 ms
jquery.themepunch.tools.min.js
696 ms
jquery.themepunch.revolution.min.js
619 ms
css
43 ms
jquery.ck.min.js
526 ms
jquery.fancybox.min.js
526 ms
jquery.placeholder.js
526 ms
ninjapopups.min.js
629 ms
jquery.form.min.js
630 ms
scripts.js
640 ms
js_composer_front.js
641 ms
love-it.js
640 ms
jquery.cookie.js
734 ms
bootstrap.min.js
741 ms
jquery.hoverIntent.min.js
746 ms
jquery.easing.1.3.js
746 ms
jquery.flexslider-min.js
747 ms
jquery.prettyPhoto.js
749 ms
jquery.fitvids.js
853 ms
view.min.js
863 ms
functions.js
947 ms
comment-reply.min.js
953 ms
cJZKeOuBrn4kERxqtaUH3bO3LdcAZYWl9Si6vvxL-qU.woff
8 ms
wMws1cEtxWZc6AZZIpiqWALUuEpTyoUstqEm5AMlJo4.woff
16 ms
DXI1ORHCpsQm3Vp6mXoaTb3hpw3pgy2gAi-Ip7WPMi0.woff
18 ms
ggtjDKUwkCAXpO92rmcBQHYhjbSpvc47ee6xR_80Hnw.woff
17 ms
logo1.png
815 ms
logo@2x.png
812 ms
social-icons-mono.png
407 ms
dummy.png
333 ms
cv.png
811 ms
fvsb-logo.jpg
664 ms
agora.jpg
432 ms
os3.jpg
444 ms
visuality.jpg
565 ms
gs.jpg
450 ms
daftcode.jpg
452 ms
others.jpg
561 ms
WgJLR6GN0uo
120 ms
lQvT8-AfmuA
196 ms
ptr2.jpg
636 ms
fontawesome-webfont.woff
19 ms
analytics.js
18 ms
fbevents.js
164 ms
overlay.png
502 ms
collect
13 ms
collect
84 ms
www-embed-player-vflfNyN_r.css
35 ms
www-embed-player.js
63 ms
base.js
93 ms
ga-audiences
228 ms
207 ms
revolution.extension.slideanims.min.js
206 ms
revolution.extension.actions.min.js
207 ms
revolution.extension.layeranimation.min.js
307 ms
revolution.extension.navigation.min.js
316 ms
revolution.extension.parallax.min.js
318 ms
WgJLR6GN0uo
114 ms
lQvT8-AfmuA
127 ms
fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js
20 ms
ad_status.js
18 ms
CrYjSnGjrRCn0pd9VQsnFOvvDin1pK8aKteLpeZ5c0A.woff
5 ms
RxZJdnzeo3R5zSexge8UUbO3LdcAZYWl9Si6vvxL-qU.woff
6 ms
slider01.jpg
129 ms
slider2.jpg
361 ms
slider4.jpg
241 ms
showcase-nav.png
136 ms
revicons.woff
135 ms
coderslab.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-hidden="true"] elements contain focusable descendents
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
Form elements do not have associated labels
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
coderslab.pl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
coderslab.pl SEO score
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 Coderslab.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 Coderslab.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.
coderslab.pl
Open Graph data is detected on the main page of Coders Lab. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: