2.7 sec in total
364 ms
2.1 sec
264 ms
Welcome to pssi.cz homepage info - get ready to check Pssi best content for Czech Republic right away, or after learning these important things about pssi.cz
The mission of the Prague Security Studies Institute is to help safeguard and strengthen the individual freedoms and democratic institutions of the countries in Central and Eastern Europe and beyond.
Visit pssi.czWe analyzed Pssi.cz page load time and found that the first response time was 364 ms and then it took 2.4 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.
pssi.cz performance score
name
value
score
weighting
Value6.1 s
3/100
10%
Value8.6 s
1/100
25%
Value12.2 s
3/100
10%
Value70 ms
99/100
30%
Value0.293
41/100
15%
Value18.6 s
3/100
10%
364 ms
633 ms
749 ms
872 ms
865 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 43% of them (23 requests) were addressed to the original Pssi.cz, 26% (14 requests) were made to Pbs.twimg.com and 7% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (872 ms) belongs to the original domain Pssi.cz.
Page size can be reduced by 268.5 kB (16%)
1.7 MB
1.4 MB
In fact, the total size of Pssi.cz main page is 1.7 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. 45% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 16.1 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 16.1 kB or 71% of the original size.
Potential reduce by 215.1 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, Pssi needs image optimization as it can save up to 215.1 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 32.4 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 32.4 kB or 60% of the original size.
Potential reduce by 4.9 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. Pssi.cz needs all CSS files to be minified and compressed as it can save up to 4.9 kB or 73% of the original size.
Number of requests can be reduced by 17 (33%)
51
34
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pssi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
pssi.cz
364 ms
default.css
633 ms
lightbox.css
749 ms
.css
872 ms
default.js
865 ms
jquery.min.js
31 ms
jquery.cycle.all.js
20 ms
jquery.cycle.all.js
22 ms
197.jpeg
808 ms
198.jpeg
776 ms
188.jpeg
592 ms
165.jpeg
827 ms
164.jpeg
821 ms
76.jpeg
621 ms
bg_body.png
133 ms
logo-Prague-Security-Studies-Institute.png
134 ms
printer2.png
133 ms
trash2.png
245 ms
button_search.png
235 ms
logo_Facebook.png
235 ms
logo_Twitter.png
236 ms
logo_LinkedIn.png
247 ms
logo_YouTube.png
237 ms
sdk.js
165 ms
bg_slider.png
342 ms
widgets.js
83 ms
analytics.js
25 ms
dotNoActive.gif
308 ms
collect
14 ms
collect
68 ms
timeline.d11f7a3b3287fb94220e8ee6d03cc772.js
128 ms
63 ms
xd_arbiter.php
136 ms
xd_arbiter.php
282 ms
syndication
94 ms
630315312399958016
216 ms
print.css
118 ms
timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css
36 ms
timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css
90 ms
p9uyfPMd_normal.jpg
126 ms
9n9HMGED_normal.jpeg
154 ms
1080_kazimir_malevich_arte_expresionismo_normal.jpg
194 ms
LHOCjdi1_normal.png
224 ms
mTgvWyfk_normal.jpg
238 ms
d4bb2cf85ff979b1d8ff147707905c0f_normal.jpeg
251 ms
CdD0YWTW8AAweNK.jpg
276 ms
Cc9faRqUAAAL6Ez.jpg
278 ms
Cci_4yyUMAERdf8.jpg
277 ms
Cb5oRH2WIAAKa3x.jpg:small
252 ms
CbWWNjfWwAAkV6P.jpg:large
292 ms
Ca2v3qeUkAA9av4.jpg
317 ms
Ca1dmK3VIAAwtZr.jpg
282 ms
CarldLFUYAA8rNy.jpg:large
318 ms
jot
24 ms
pssi.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
pssi.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
Browser errors were logged to the console
Page has valid source maps
pssi.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pssi.cz can be misinterpreted by Google and other search engines. Our service has detected that English 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 Pssi.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.
pssi.cz
Open Graph description is not detected on the main page of Pssi. 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: