2.9 sec in total
346 ms
2.3 sec
231 ms
Welcome to predvyber.cz homepage info - get ready to check Predvyber best content for Czech Republic right away, or after learning these important things about predvyber.cz
Personální agentura PŘEDVÝBĚR.CZ Vám ušetří čas s hledáním a výběrem vhodných kandidátů. První kandidáty zašleme již za 2-5 pracovních dnů. Zasáhnete 90 % trhu.
Visit predvyber.czWe analyzed Predvyber.cz page load time and found that the first response time was 346 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
predvyber.cz performance score
name
value
score
weighting
Value3.4 s
38/100
10%
Value12.5 s
0/100
25%
Value7.3 s
28/100
10%
Value440 ms
63/100
30%
Value0
100/100
15%
Value13.0 s
13/100
10%
346 ms
503 ms
26 ms
245 ms
689 ms
Our browser made a total of 39 requests to load all elements on the main page. We found that 69% of them (27 requests) were addressed to the original Predvyber.cz, 10% (4 requests) were made to Dev.visualwebsiteoptimizer.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (709 ms) belongs to the original domain Predvyber.cz.
Page size can be reduced by 745.2 kB (75%)
997.4 kB
252.2 kB
In fact, the total size of Predvyber.cz main page is 997.4 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. 40% of websites need less resources to load. Javascripts take 461.0 kB which makes up the majority of the site volume.
Potential reduce by 39.3 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 9.2 kB, which is 18% 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 39.3 kB or 79% of the original size.
Potential reduce by 225.9 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. Obviously, Predvyber needs image optimization as it can save up to 225.9 kB or 79% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 313.4 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 313.4 kB or 68% of the original size.
Potential reduce by 166.5 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. Predvyber.cz needs all CSS files to be minified and compressed as it can save up to 166.5 kB or 83% of the original size.
Number of requests can be reduced by 13 (39%)
33
20
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Predvyber. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
predvyber.cz
346 ms
www.predvyber.cz
503 ms
css
26 ms
all-global-styles-2161469948__1458383437.css
245 ms
all-global-scripts-213772002.js
689 ms
jquery.ws-slider.min.js
233 ms
jquery.validate.js
236 ms
conversion.js
16 ms
j.php
13 ms
all-global-print-15142113__1458383437.css
119 ms
sys_media_28.png
119 ms
sys_media_22.png
134 ms
sys_media_110.png
114 ms
sys_media_32.png
574 ms
sys_media_107.png
225 ms
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240 ms
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248 ms
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341 ms
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sys_media_140.jpg
356 ms
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364 ms
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364 ms
sys_media_53.png
450 ms
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458 ms
sys_media_55.png
471 ms
sys_media_56.png
479 ms
fontawesome-webfont.woff
709 ms
v.gif
6 ms
va-f9423035fc9f0fdad5f7654cfb9df14b.js
13 ms
bg-stripe-fish-gray.png
539 ms
analytics.js
17 ms
43 ms
l.gif
12 ms
collect
16 ms
collect
61 ms
43 ms
ga-audiences
16 ms
predvyber.cz accessibility score
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
Links do not have a discernible name
predvyber.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
Page has valid source maps
predvyber.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Predvyber.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 Predvyber.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.
predvyber.cz
Open Graph data is detected on the main page of Predvyber. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: