3.8 sec in total
321 ms
3.3 sec
223 ms
Welcome to psc.cz homepage info - get ready to check Psc best content for Czech Republic right away, or after learning these important things about psc.cz
Poštovní směrovací čísla - vyhledávání PSČ (poštovních směrovacích čísel) adresních míst, ulic a firem. Katalog PSČ měst a obcí.
Visit psc.czWe analyzed Psc.cz page load time and found that the first response time was 321 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
psc.cz performance score
name
value
score
weighting
Value2.6 s
63/100
10%
Value8.7 s
1/100
25%
Value6.6 s
37/100
10%
Value2,660 ms
4/100
30%
Value0.109
87/100
15%
Value17.8 s
4/100
10%
321 ms
422 ms
106 ms
205 ms
207 ms
Our browser made a total of 74 requests to load all elements on the main page. We found that 27% of them (20 requests) were addressed to the original Psc.cz, 8% (6 requests) were made to C.betrad.com and 7% (5 requests) were made to Adcz.hit.gemius.pl. The less responsive or slowest element that took the longest time to load (527 ms) relates to the external source Cz.adocean.pl.
Page size can be reduced by 529.7 kB (56%)
947.3 kB
417.6 kB
In fact, the total size of Psc.cz main page is 947.3 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. 45% of websites need less resources to load. Javascripts take 682.6 kB which makes up the majority of the site volume.
Potential reduce by 130.2 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 130.2 kB or 72% of the original size.
Potential reduce by 15.2 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. Obviously, Psc needs image optimization as it can save up to 15.2 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 361.8 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 361.8 kB or 53% of the original size.
Potential reduce by 22.5 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. Psc.cz needs all CSS files to be minified and compressed as it can save up to 22.5 kB or 83% of the original size.
Number of requests can be reduced by 54 (78%)
69
15
The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Psc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and as a result speed up the page load time.
psc.cz
321 ms
www.psc.cz
422 ms
default.css
106 ms
bigscreen.css
205 ms
default.js
207 ms
ado.js
527 ms
skript.js
210 ms
_jquery.min.js
420 ms
jquery.odpovedi.js
314 ms
jquery.odpovedi.cookie_choices.min.js
319 ms
ad.js
107 ms
sarg=56D46C7C169F2828
109 ms
ad.js
107 ms
pageBg.gif
109 ms
count.asp
213 ms
sluzby.gif
106 ms
l.gif
105 ms
c.gif
106 ms
r.gif
203 ms
l_sel.gif
206 ms
c_sel.gif
206 ms
r_sel.gif
206 ms
logo.gif
207 ms
menuBg.gif
214 ms
arrow.gif
301 ms
dpd.jpg
519 ms
inputBg.gif
294 ms
button_back.gif
293 ms
gpt.js
5 ms
sarg=56D46C7C169F2828%7C_cdata%3A940180_0
113 ms
pubads_impl_81.js
6 ms
ads
260 ms
container.html
23 ms
ads
326 ms
sarg=56D46C7C169F2828%7C_cdata%3A940180_0
109 ms
inscreen_lib.js
239 ms
B6532035.128252066;abr=!ie;sz=980x200;ord=[timestamp];dc_lat=;dc_rdid=;tag_for_child_directed_treatment=
53 ms
sarg=56D46C7C169F2828%7C_cdata%3A940180_0
238 ms
expansion_embed.js
10 ms
0_BQ4IGvUm.gif
279 ms
img;p=11087206321139;cache=
73 ms
a.gif
74 ms
bcs0
83 ms
creative_add_on.js
190 ms
osd.js
32 ms
css
91 ms
m_js_controller.js
71 ms
favicon
163 ms
abg.js
87 ms
googlelogo_color_112x36dp.png
42 ms
nessie_icon_thin_arrow_big_white.png
160 ms
modernizr_2.8.3_ec185bb44fe5e6bf7455d6e8ef37ed0e_no-classes.js
78 ms
lidar.js
27 ms
analytics.js
61 ms
xgemius.js
266 ms
surly.js
13 ms
ba.html
73 ms
cms-2c.html
119 ms
4.gif
92 ms
collect
82 ms
s
71 ms
x_button_blue2.png
54 ms
151109_amateurperson_v4-nbl-B_n_980x200_CZ_eD_c.html
123 ms
nAKwuw6_dIh5kwvpj3ShNfesZW2xOQ-xsNqO47m55DA.woff
108 ms
2532.js
22 ms
pixel
41 ms
match-result
46 ms
runtime.js
101 ms
fpdata.js
216 ms
box_19_top-right.png
9 ms
ci.png
5 ms
lsget.html
260 ms
ui
45 ms
rexdot.js
106 ms
psc.cz accessibility score
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
Image elements do not have [alt] attributes
psc.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
Page has valid source maps
psc.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
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Psc.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 Psc.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.
psc.cz
Open Graph description is not detected on the main page of Psc. 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: