5.4 sec in total
871 ms
4.2 sec
297 ms
Visit blackheart.cz now to see the best up-to-date BLACK HEART content for Czech Republic and also check out these interesting facts you probably never knew about blackheart.cz
Black Heart Rockabilly shop symbol pro všechny, kteří chtějí jít vlastní cestou!
Visit blackheart.czWe analyzed Blackheart.cz page load time and found that the first response time was 871 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
blackheart.cz performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value18.9 s
0/100
25%
Value10.3 s
8/100
10%
Value1,460 ms
14/100
30%
Value0.092
91/100
15%
Value19.7 s
2/100
10%
871 ms
219 ms
220 ms
222 ms
225 ms
Our browser made a total of 106 requests to load all elements on the main page. We found that 50% of them (53 requests) were addressed to the original Blackheart.cz, 24% (25 requests) were made to Scontent.xx.fbcdn.net and 17% (18 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Blackheart.cz.
Page size can be reduced by 291.3 kB (17%)
1.7 MB
1.4 MB
In fact, the total size of Blackheart.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. 65% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 25.8 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. 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 25.8 kB or 76% of the original size.
Potential reduce by 68.3 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. BLACK HEART images are well optimized though.
Potential reduce by 179.8 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 179.8 kB or 69% of the original size.
Potential reduce by 17.4 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. Blackheart.cz needs all CSS files to be minified and compressed as it can save up to 17.4 kB or 79% of the original size.
Number of requests can be reduced by 43 (41%)
104
61
The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BLACK HEART. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
blackheart.cz
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blackheart.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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
blackheart.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
Browser errors were logged to the console
Page has valid source maps
blackheart.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
WINDOWS-1250
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackheart.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 Blackheart.cz main page’s claimed encoding is windows-1250. 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.
blackheart.cz
Open Graph description is not detected on the main page of BLACK HEART. 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: