4.9 sec in total
927 ms
3.6 sec
332 ms
Welcome to expert.cz homepage info - get ready to check Expert best content for Poland right away, or after learning these important things about expert.cz
expert Elektro je maloobchodní prodejce elektra, domácích spotřebičů, černé techniky, mobilů a IT. Nově můžete objednávat i online na www.expert.cz.
Visit expert.czWe analyzed Expert.cz page load time and found that the first response time was 927 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
expert.cz performance score
name
value
score
weighting
Value7.5 s
1/100
10%
Value14.8 s
0/100
25%
Value20.2 s
0/100
10%
Value18,540 ms
0/100
30%
Value0.242
51/100
15%
Value30.7 s
0/100
10%
927 ms
527 ms
318 ms
421 ms
530 ms
Our browser made a total of 132 requests to load all elements on the main page. We found that 56% of them (74 requests) were addressed to the original Expert.cz, 4% (5 requests) were made to Google.com and 3% (4 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Api.myx.cz.
Page size can be reduced by 760.8 kB (51%)
1.5 MB
723.0 kB
In fact, the total size of Expert.cz main page is 1.5 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. 60% of websites need less resources to load. Javascripts take 623.1 kB which makes up the majority of the site volume.
Potential reduce by 81.1 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 81.1 kB or 79% of the original size.
Potential reduce by 34.2 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. Expert images are well optimized though.
Potential reduce by 440.7 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 440.7 kB or 71% of the original size.
Potential reduce by 204.7 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. Expert.cz needs all CSS files to be minified and compressed as it can save up to 204.7 kB or 78% of the original size.
Number of requests can be reduced by 79 (79%)
100
21
The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Expert. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 45 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
www.expert.cz
927 ms
ss-symbolicons-block.css
527 ms
ss-social.css
318 ms
content.css
421 ms
font-awesome.min.css
530 ms
layout.css
740 ms
pdbox.css
422 ms
jquery-ui.css
72 ms
patch.css
524 ms
pipapatch.css
525 ms
lightbox.css
526 ms
cookiecontrol.css
625 ms
modernizr.min.js
14 ms
jquery-1.11.2.min.js
731 ms
jquery.tools.min.js
625 ms
jquery-ui.js
730 ms
jquery-migrate-1.0.0.js
768 ms
jquery.pdbox.js
726 ms
jquery.pdAjaxForm.js
728 ms
jquery.carouFredSel.js
936 ms
jquery.hoverIntent.min.js
835 ms
menu-control.js
833 ms
main.js
836 ms
plusone.js
100 ms
jquery-ui.min.js
66 ms
lightbox.min.js
833 ms
jquery.form.js
835 ms
shp.js
1044 ms
HoverBox.js
969 ms
shp_1_2.js
971 ms
lang_1.js
971 ms
ajax.js
971 ms
jqueryquestions.js
1039 ms
jquery.cookie.js
1053 ms
function.js
1152 ms
jquery.qtip-1.0.0.min.js
1053 ms
cookiecontrol.js
1054 ms
jquery.ui.touch-punch.js
1143 ms
blackbird.js
1147 ms
debug_tools.js
1063 ms
conversion.js
16 ms
blackbird.css
859 ms
integration
163 ms
bg-body.png
409 ms
close.png
547 ms
loading.gif
547 ms
prev.png
546 ms
next.png
547 ms
cb=gapi.loaded_0
33 ms
analytics.js
71 ms
72 ms
22733-3.png
208 ms
logo.png
178 ms
logo.small.png
177 ms
cs_generic_rgb_wo_45.png
211 ms
app_store_badge.png
209 ms
Z160448_specialni_slidy_brezen_NB_LENOVO_web_800x320_proc1.jpg
630 ms
Predobjednavky_2.jpg
324 ms
Bosch_susicka_kos_800x320_CZ_01.jpg
260 ms
velke-spotrebice.jpg
259 ms
vestavne-spotrebice.jpg
322 ms
male-spotrebice.jpg
323 ms
TV-audio-video.jpg
369 ms
Foto-GPS-telefony.jpg
370 ms
Telo-zdravi.jpg
420 ms
Pocitace.jpg
422 ms
category-banner.png
529 ms
Logo.jpg
472 ms
MM13718LOGO-b.jpg
472 ms
leaflet.jpg
630 ms
apek.png
528 ms
gtm.js
138 ms
actions.js
460 ms
persoo.js
474 ms
menu-holder.png
559 ms
all24.png
665 ms
mapa.jpg
853 ms
company-about.png
618 ms
120 ms
bg-footer.png
624 ms
bg-compare.png
670 ms
108 ms
nexabold-webfont.woff
669 ms
ss-symbolicons-block.woff
804 ms
nexabook-webfont.woff
722 ms
nexaheavy-webfont.woff
741 ms
gjs.php
236 ms
collect
78 ms
collect
94 ms
arrowU.png
705 ms
36 ms
pixel
35 ms
Pug
51 ms
conversion_async.js
16 ms
439 ms
retargeting.js
233 ms
myx.js
1330 ms
fbevents.js
149 ms
17 ms
sync
13 ms
23 ms
cm
167 ms
20 ms
tags
184 ms
19 ms
ga-audiences
23 ms
23 ms
32 ms
widget.php
133 ms
UserMatch.ashx
12 ms
pixel
230 ms
pixel
15 ms
106 ms
RtbHouse
232 ms
tagging
89 ms
Pug
19 ms
match
5 ms
cm
158 ms
retargeting
114 ms
sd
31 ms
workflow
312 ms
1by1.png
16 ms
217 ms
plusone.js
56 ms
all.js
207 ms
collect
34 ms
print.css
108 ms
29 ms
xd_arbiter.php
215 ms
xd_arbiter.php
443 ms
layout-mobile.css
214 ms
tap.php
512 ms
expert.cz accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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 IDs are not unique
expert.cz 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
expert.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
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
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Expert.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Expert.cz 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.
expert.cz
Open Graph description is not detected on the main page of Expert. 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: