4.5 sec in total
484 ms
3.8 sec
257 ms
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BusinessCenter.cz - Informační server pro podnikání
Visit business.center.czWe analyzed Business.center.cz page load time and found that the first response time was 484 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.
business.center.cz performance score
name
value
score
weighting
Value6.8 s
1/100
10%
Value13.0 s
0/100
25%
Value14.5 s
1/100
10%
Value2,240 ms
6/100
30%
Value0.004
100/100
15%
Value26.5 s
0/100
10%
484 ms
237 ms
32 ms
257 ms
257 ms
Our browser made a total of 135 requests to load all elements on the main page. We found that 23% of them (31 requests) were addressed to the original Business.center.cz, 16% (21 requests) were made to Pixel.rubiconproject.com and 7% (10 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (604 ms) belongs to the original domain Business.center.cz.
Page size can be reduced by 179.3 kB (49%)
363.1 kB
183.9 kB
In fact, the total size of Business.center.cz main page is 363.1 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. 55% of websites need less resources to load. Javascripts take 269.8 kB which makes up the majority of the site volume.
Potential reduce by 48.4 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 48.4 kB or 76% of the original size.
Potential reduce by 1.4 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. Business Center images are well optimized though.
Potential reduce by 117.3 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 117.3 kB or 43% of the original size.
Potential reduce by 12.2 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. Business.center.cz needs all CSS files to be minified and compressed as it can save up to 12.2 kB or 82% of the original size.
Number of requests can be reduced by 90 (78%)
115
25
The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Business Center. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
business.center.cz
484 ms
main
237 ms
jquery.min.js
32 ms
homepage
257 ms
rejstriky.js
257 ms
bb_one2n.js
216 ms
ga.js
40 ms
analytics.js
40 ms
tpagebgdark.gif
122 ms
ttopbg.png
126 ms
ttopleftbg.png
124 ms
toplogo2.gif
128 ms
priznani02.jpg
367 ms
spacer.gif
243 ms
btn_nahoru.gif
246 ms
btnsearchterm.gif
248 ms
btn_prihlasit.gif
243 ms
btnsendmail.gif
246 ms
btnanketares.gif
363 ms
btnsearch.gif
361 ms
tmainmenubgright.gif
352 ms
menubg1_1.gif
363 ms
menubgmezi_10.gif
359 ms
menubg2_0.gif
463 ms
menubgmezi_00.gif
467 ms
menubgend_0.gif
471 ms
tfooter1lc.gif
469 ms
menu2hpbg.gif
485 ms
tgreyendbg.gif
483 ms
hpupoutavkabg.gif
604 ms
tbluenadpisleft.gif
586 ms
tbluenadpisright.gif
586 ms
tmrch2bg.gif
589 ms
tfooter1rc.gif
604 ms
__utm.gif
10 ms
bb_one2n.113.65.77.1.js
450 ms
bbnaut-lib-1.7.5.min.js
339 ms
print.css
120 ms
254 ms
10900.js
7 ms
sync
18 ms
350740-2.js
127 ms
sync
10 ms
351786-2.js
119 ms
241 ms
show_ads.js
5 ms
ca-pub-1870557775424446.js
54 ms
zrt_lookup.html
52 ms
show_ads_impl.js
59 ms
emily.html
34 ms
emily.html
25 ms
emily.html
28 ms
emily.html
36 ms
sync
19 ms
350740-14.js
98 ms
tap.php
53 ms
ads
295 ms
osd.js
4 ms
sync
10 ms
351786-14.js
131 ms
303 ms
ads
260 ms
pixel.htm
101 ms
channels.js
13 ms
tap.php
429 ms
cms-2c-rubicon.html
123 ms
xgemius.js
328 ms
cse.js
71 ms
co
220 ms
ddc.htm
15 ms
rubicon
22 ms
rc
27 ms
rubicon.ashx
79 ms
cse.js
121 ms
tap.php
26 ms
pixel
53 ms
29 ms
rc
51 ms
pixelpush
36 ms
ProfilesEngineServlet
41 ms
rubicon
21 ms
cs
153 ms
336 ms
rbcn
24 ms
ping_match.gif
16 ms
tap.php
21 ms
tap.php
36 ms
blank.gif
15 ms
check
16 ms
tap.php
27 ms
ProfilesEngineServlet
50 ms
tap.php
34 ms
tap.php
312 ms
tap.php
33 ms
tap.php
52 ms
tap.php
43 ms
tap.php
37 ms
tap.php
40 ms
tap.php
44 ms
pixel
66 ms
tap.php
21 ms
tap.php
44 ms
rs
35 ms
tap.php
22 ms
jsapi
90 ms
m_js_controller.js
41 ms
abg.js
54 ms
match-result
80 ms
cc
74 ms
favicon
158 ms
googlelogo_color_112x36dp.png
152 ms
nessie_icon_tiamat_white.png
34 ms
s
25 ms
push
44 ms
x_button_blue2.png
17 ms
default+cs.css
36 ms
default.css
69 ms
default+cs.I.js
42 ms
adex.ashx
231 ms
tap.php
43 ms
fpdata.js
113 ms
lsget.html
277 ms
default.css
67 ms
tap.php
52 ms
async-ads.js
95 ms
google_custom_search_watermark.gif
47 ms
small-logo.png
37 ms
search_box_icon.png
32 ms
clear.gif
37 ms
tap.php
15 ms
tap.php
19 ms
pixel
17 ms
ui
35 ms
E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js
3 ms
rexdot.js
110 ms
business.center.cz 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
No form fields have multiple labels
Image elements do not have [alt] attributes
Links do not have a discernible name
business.center.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
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
business.center.cz 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
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Business.center.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech 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 Business.center.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.
business.center.cz
Open Graph description is not detected on the main page of Business Center. 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: