2.6 sec in total
302 ms
2.2 sec
138 ms
Visit postsignum.cz now to see the best up-to-date Post Signum content for Czech Republic and also check out these interesting facts you probably never knew about postsignum.cz
Certifikační autorita PostSignum
Visit postsignum.czWe analyzed Postsignum.cz page load time and found that the first response time was 302 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
postsignum.cz performance score
name
value
score
weighting
Value2.9 s
53/100
10%
Value12.3 s
0/100
25%
Value6.0 s
46/100
10%
Value1,990 ms
8/100
30%
Value0.001
100/100
15%
Value9.4 s
31/100
10%
302 ms
713 ms
627 ms
417 ms
205 ms
Our browser made a total of 44 requests to load all elements on the main page. We found that all of those requests were addressed to Postsignum.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (713 ms) belongs to the original domain Postsignum.cz.
Page size can be reduced by 246.9 kB (56%)
443.6 kB
196.7 kB
In fact, the total size of Postsignum.cz main page is 443.6 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. 20% of websites need less resources to load. Javascripts take 229.6 kB which makes up the majority of the site volume.
Potential reduce by 19.3 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 33% 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 19.3 kB or 81% of the original size.
Potential reduce by 14.2 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, Post Signum needs image optimization as it can save up to 14.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 163.2 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 163.2 kB or 71% of the original size.
Potential reduce by 50.2 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. Postsignum.cz needs all CSS files to be minified and compressed as it can save up to 50.2 kB or 83% of the original size.
Number of requests can be reduced by 20 (48%)
42
22
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Post Signum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
postsignum.cz
302 ms
713 ms
ceskaposta_screen.css
627 ms
postsignum_logo.jpg
417 ms
bod.gif
205 ms
ceskaposta_home.css
195 ms
jquery-1.7.1.min.js
674 ms
jquery.roundabout.min.js
200 ms
jquery.roundabout-shapes.min.js
305 ms
jquery.js
617 ms
jquery-scripts.js
301 ms
jquery.cycle.all.js
532 ms
bg-all.gif
103 ms
bg-all-top.gif
106 ms
flag-en.gif
104 ms
ico-contacts.gif
194 ms
bg-menu.gif
205 ms
arrow_right.gif
206 ms
bg-main.gif
207 ms
bg-box-top.gif
276 ms
bg-box-bot.gif
293 ms
gen_ico.gif
304 ms
sml_ico.gif
307 ms
down_ico.gif
306 ms
obnov_ico.gif
324 ms
tsa_ico.gif
366 ms
obchod_ico.gif
393 ms
dot-h.gif
404 ms
square-li-dark.gif
405 ms
Portal_uvod.jpg
406 ms
Nasledny_uvod.gif
419 ms
Registr_uvod.jpg
655 ms
SW602_Signer_uvod.gif
595 ms
arrow_trans.png
503 ms
rss.gif
505 ms
box-back.jpg
240 ms
box-top.jpg
248 ms
box-bottom.jpg
337 ms
sipka-doprava.gif
338 ms
bg-box-top_col2.gif
341 ms
bg-box-bot_col2.gif
342 ms
ico-aktualita.gif
428 ms
bg-all-bottom.gif
438 ms
ceskaposta_tisk.css
103 ms
postsignum.cz accessibility score
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>).
postsignum.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
postsignum.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
CS
CS
ISO-8859-2
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Postsignum.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 Postsignum.cz main page’s claimed encoding is iso-8859-2. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
postsignum.cz
Open Graph description is not detected on the main page of Post Signum. 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: