3.9 sec in total
566 ms
3.1 sec
269 ms
Welcome to l4-streetband.estranky.cz homepage info - get ready to check L4 Streetband Estranky best content for Czech Republic right away, or after learning these important things about l4-streetband.estranky.cz
Visit l4-streetband.estranky.czWe analyzed L4-streetband.estranky.cz page load time and found that the first response time was 566 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
l4-streetband.estranky.cz performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value6.3 s
10/100
25%
Value7.7 s
25/100
10%
Value1,110 ms
23/100
30%
Value0
100/100
15%
Value11.8 s
17/100
10%
566 ms
420 ms
535 ms
316 ms
230 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 31% of them (15 requests) were addressed to the original L4-streetband.estranky.cz, 17% (8 requests) were made to S3a.estranky.cz and 13% (6 requests) were made to S2.adform.net. The less responsive or slowest element that took the longest time to load (978 ms) belongs to the original domain L4-streetband.estranky.cz.
Page size can be reduced by 424.2 kB (59%)
724.4 kB
300.3 kB
In fact, the total size of L4-streetband.estranky.cz main page is 724.4 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. 25% of websites need less resources to load. Javascripts take 439.8 kB which makes up the majority of the site volume.
Potential reduce by 37.1 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. This page needs HTML code to be minified as it can gain 10.2 kB, which is 22% 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 37.1 kB or 80% of the original size.
Potential reduce by 23.3 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, L4 Streetband Estranky needs image optimization as it can save up to 23.3 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 306.4 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 306.4 kB or 70% of the original size.
Potential reduce by 57.3 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. L4-streetband.estranky.cz needs all CSS files to be minified and compressed as it can save up to 57.3 kB or 81% of the original size.
Number of requests can be reduced by 17 (39%)
44
27
The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of L4 Streetband Estranky. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.
www.l4-streetband.estranky.cz
566 ms
d1000000040.css
420 ms
ui.js
535 ms
shifter.js
316 ms
bb_one2n.js
230 ms
fixed.js
214 ms
cookies.js
215 ms
bb_one2n.113.65.77.1.js
426 ms
analytics.js
24 ms
background.gif
106 ms
portrait.1.1275341455.jpg
213 ms
112.jpg
231 ms
illu.gif
224 ms
14.jpg
224 ms
freqnasty-picks.jpg
231 ms
1176410881.jpg
236 ms
InyPohlad.jpg
437 ms
moshan2.jpg
441 ms
moshan2.jpg
446 ms
bang.jpg
446 ms
street-art-the-punk-poster-in-san-francisco.jpg
449 ms
montana_cans__04_by_uranio.jpg
453 ms
p1040364_1700.jpg
648 ms
beacon.js
20 ms
ulogo.445813.jpeg
978 ms
block_bottom.gif
106 ms
column_bottom.gif
107 ms
count.asp
242 ms
promolink-free.png
107 ms
collect
27 ms
bbnaut-lib-1.7.5.min.js
318 ms
229 ms
210 ms
Adform.Bootstrap.js
48 ms
111 ms
boot.js
24 ms
196 ms
b685275_2.png
415 ms
xgemius.js
316 ms
co
222 ms
b685274_1.png
428 ms
Standard
339 ms
98 ms
fpdata.js
106 ms
lsget.html
249 ms
en.png
32 ms
925760.js
46 ms
oba.png
48 ms
l4-streetband.estranky.cz accessibility score
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
Buttons do not have an accessible name
Form elements do not have associated labels
Links do not have a discernible name
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
l4-streetband.estranky.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
l4-streetband.estranky.cz SEO score
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 L4-streetband.estranky.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 L4-streetband.estranky.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.
l4-streetband.estranky.cz
Open Graph description is not detected on the main page of L4 Streetband Estranky. 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: