4 sec in total
611 ms
3.2 sec
201 ms
Click here to check amazing RC Letna content. Otherwise, check out these important facts you probably never knew about rcletna.cz
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Visit rcletna.czWe analyzed Rcletna.cz page load time and found that the first response time was 611 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
rcletna.cz performance score
name
value
score
weighting
Value5.2 s
8/100
10%
Value12.6 s
0/100
25%
Value11.2 s
5/100
10%
Value310 ms
77/100
30%
Value0.239
52/100
15%
Value12.2 s
15/100
10%
611 ms
1030 ms
9 ms
1540 ms
1763 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 42% of them (14 requests) were addressed to the original Rcletna.cz, 30% (10 requests) were made to Static.xx.fbcdn.net and 15% (5 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Rcletna.cz.
Page size can be reduced by 78.2 kB (43%)
181.9 kB
103.7 kB
In fact, the total size of Rcletna.cz main page is 181.9 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. 30% of websites need less resources to load. Images take 71.6 kB which makes up the majority of the site volume.
Potential reduce by 12.9 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 3.4 kB, which is 19% 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 12.9 kB or 73% of the original size.
Potential reduce by 13.1 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, RC Letna needs image optimization as it can save up to 13.1 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 29.1 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 29.1 kB or 45% of the original size.
Potential reduce by 23.1 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. Rcletna.cz needs all CSS files to be minified and compressed as it can save up to 23.1 kB or 82% of the original size.
Number of requests can be reduced by 16 (50%)
32
16
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RC Letna. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
rcletna.cz
611 ms
index.css
1030 ms
jquery.min.js
9 ms
slimbox.css
1540 ms
mootools.js
1763 ms
english.slimbox.js
1517 ms
slimbox.js
1649 ms
screen.css
669 ms
ga.js
7 ms
__utm.gif
13 ms
veriword.php
335 ms
titulni-foto.jpg
422 ms
header-background.png
421 ms
header-logo.gif
252 ms
navigation-container-background.gif
228 ms
likebox.php
271 ms
UThj8VI7Xhd.css
55 ms
FL1kvZ1wVUz.css
50 ms
q68gy-v_YMF.js
48 ms
FJmpeSpHpjS.js
53 ms
0wM5s1Khldu.js
53 ms
1bNoFZUdlYZ.js
48 ms
430113_174504745999611_1140056949_n.jpg
78 ms
23732_309661069150644_672993386_n.jpg
29 ms
1910065_1789340441293458_5241911674664263857_n.jpg
16 ms
183203_198132120206348_5376783_n.jpg
13 ms
11705167_993891933975092_716361672743122855_n.jpg
91 ms
wL6VQj7Ab77.png
6 ms
s7jcwEQH7Sx.png
23 ms
print.css
170 ms
I6-MnjEovm5.js
2 ms
pQrUxxo5oQp.js
5 ms
print.css
292 ms
rcletna.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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
rcletna.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
Page has valid source maps
rcletna.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Rcletna.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 Rcletna.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.
rcletna.cz
Open Graph description is not detected on the main page of RC Letna. 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: