4.2 sec in total
382 ms
3.5 sec
275 ms
Click here to check amazing Roller Blade content for Czech Republic. Otherwise, check out these important facts you probably never knew about rollerblade.cz
Kolekce kolečkové brusle rollerblade bladerunner výhradní dovozce
Visit rollerblade.czWe analyzed Rollerblade.cz page load time and found that the first response time was 382 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
rollerblade.cz performance score
name
value
score
weighting
Value3.3 s
41/100
10%
Value4.0 s
49/100
25%
Value7.5 s
26/100
10%
Value50 ms
100/100
30%
Value0.001
100/100
15%
Value4.1 s
86/100
10%
382 ms
716 ms
448 ms
696 ms
232 ms
Our browser made a total of 39 requests to load all elements on the main page. We found that 79% of them (31 requests) were addressed to the original Rollerblade.cz, 13% (5 requests) were made to Heliatrade.cz and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Rollerblade.cz.
Page size can be reduced by 187.6 kB (15%)
1.2 MB
1.0 MB
In fact, the total size of Rollerblade.cz main page is 1.2 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. 25% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 9.8 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 2.7 kB, which is 20% 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 9.8 kB or 75% of the original size.
Potential reduce by 50.9 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. Roller Blade images are well optimized though.
Potential reduce by 89.9 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 89.9 kB or 59% of the original size.
Potential reduce by 37.0 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. Rollerblade.cz needs all CSS files to be minified and compressed as it can save up to 37.0 kB or 85% of the original size.
Number of requests can be reduced by 9 (24%)
37
28
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Roller Blade. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
rollerblade.cz
382 ms
www.rollerblade.cz
716 ms
template.css
448 ms
template.js
696 ms
home.js
232 ms
ga.js
56 ms
12814131_10153343315566524_6522378189267835669_n.jpg
1077 ms
counter.php
802 ms
kolekce%202014%20-%20Kopie.jpg
910 ms
Obrazek5%20%28750%20x%20350%29.jpg
1047 ms
EDIT.jpg
992 ms
rollerblade%20doplnky%20%20kopie.png
1390 ms
bg.jpg
936 ms
logo.png
238 ms
nav_bg2.png
239 ms
nav_item.png
239 ms
first_last.png
281 ms
home_news_bg.png
282 ms
home_news_rule.gif
472 ms
rule.gif
474 ms
nav_widget_bg.png
480 ms
nav_widget_rule.gif
513 ms
mens.png
524 ms
womens.png
704 ms
childrens.png
751 ms
street.png
782 ms
adults.png
752 ms
childrens_r.png
822 ms
spares.png
936 ms
accessories.png
987 ms
about_bg.png
1635 ms
footer_bg.png
1029 ms
footer_div.png
1052 ms
heliatrade.png
1205 ms
rollerblade.png
1210 ms
bzcompany.png
1228 ms
logo_mima.gif
1266 ms
home_news_index.png
1284 ms
__utm.gif
11 ms
rollerblade.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
Links do not have a discernible name
rollerblade.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
rollerblade.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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rollerblade.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 Rollerblade.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.
rollerblade.cz
Open Graph description is not detected on the main page of Roller Blade. 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: