6.3 sec in total
413 ms
5.4 sec
448 ms
Visit ok-sperky.cz now to see the best up-to-date OK Sperky content for Czech Republic and also check out these interesting facts you probably never knew about ok-sperky.cz
Tisíce překrásných šperků z chirurgické oceli, stříbra i zlata. Nalezněte svůj vysněný kus ještě dnes. Rytiny – Dárková krabička – Doprava ZDARMA nad 2000 Kč
Visit ok-sperky.czWe analyzed Ok-sperky.cz page load time and found that the first response time was 413 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
ok-sperky.cz performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value13.6 s
0/100
25%
Value10.6 s
8/100
10%
Value1,170 ms
22/100
30%
Value0.504
16/100
15%
Value11.5 s
19/100
10%
413 ms
1031 ms
63 ms
82 ms
209 ms
Our browser made a total of 121 requests to load all elements on the main page. We found that 74% of them (89 requests) were addressed to the original Ok-sperky.cz, 3% (4 requests) were made to Webareal.cz and 2% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Ok-sperky.cz.
Page size can be reduced by 1.3 MB (40%)
3.3 MB
1.9 MB
In fact, the total size of Ok-sperky.cz main page is 3.3 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 2.0 MB which makes up the majority of the site volume.
Potential reduce by 135.6 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 37.6 kB, which is 24% 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 135.6 kB or 87% of the original size.
Potential reduce by 402.8 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, OK Sperky needs image optimization as it can save up to 402.8 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 570.8 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 570.8 kB or 68% of the original size.
Potential reduce by 202.2 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. Ok-sperky.cz needs all CSS files to be minified and compressed as it can save up to 202.2 kB or 83% of the original size.
Number of requests can be reduced by 51 (46%)
111
60
The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OK Sperky. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
ok-sperky.cz
413 ms
www.ok-sperky.cz
1031 ms
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jquery-ui.min.js
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ok-sperky.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
Form elements do not have associated labels
Links do not have a discernible name
ok-sperky.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Page has valid source maps
ok-sperky.cz SEO score
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
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ok-sperky.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 Ok-sperky.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.
ok-sperky.cz
Open Graph description is not detected on the main page of OK Sperky. 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: