vstecb.cz website information.
vstecb.cz domain name is registered by .CZ top-level domain registry. See the other sites registred in .CZ domain zone.
Following name servers are specified for vstecb.cz domain:
- ns.forpsi.cz
- ns.forpsi.it
- ns.forpsi.net
and probably website vstecb.cz is hosted by AKAMAI-AS - Akamai Technologies, Inc., US web hosting company. Check the complete list of other most popular websites hosted by AKAMAI-AS - Akamai Technologies, Inc., US hosting company.
According to Alexa traffic rank the highest website vstecb.cz position was 34583 (in the world). The lowest Alexa rank position was 997726. Now website vstecb.cz ranked in Alexa database as number 466832 (in the world).
Website vstecb.cz Desktop speed measurement score (29/100) is better than the results of 7.9% of other sites shows that the page desktop performance can be improved.
vstecb.cz Mobile usability score (100/100) is better than the results of 100% of other sites and means that the page is mobile-friendly.
Mobile speed measurement score of vstecb.cz (23/100) is better than the results of 5.79% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
Weekly Rank Report
| Date | Rank | Change |
|---|---|---|
| Nov-05-2024 | 466,832 | 4,946 |
| Nov-04-2024 | 471,778 | -13,301 |
| Nov-03-2024 | 458,477 | 322 |
| Nov-02-2024 | 458,799 | -1,242 |
| Nov-01-2024 | 457,557 | -7,621 |
| Oct-31-2024 | 449,936 | -9 |
| Oct-30-2024 | 449,927 | -5,819 |
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vstecb.cz Rank History
Alexa can identify the popularity of a website as well as its competitors. It is important for website owners and bloggers to know their Alexa ranking because it shows how many visitors have viewed their web page. It gives them a clear idea of how popular their website is on the internet and the ranking of their competitors.
vstecb.cz whois
WHOIS is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system, but is also used for a wider range of other information.
vstecb.cz server information
vstecb.cz desktop page speed rank
Last tested: 2019-09-04
Desktop Speed
Bad
29/100
vstecb.cz Desktop Speed Test Quick Summary
priority - 120 Enable compression
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priority - 71 Optimize images
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priority - 30 Reduce server response time
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priority - 14 Eliminate render-blocking JavaScript and CSS in above-the-fold content
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Optimize CSS Delivery of the following:
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priority - 12 Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
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http://www.vstecb.cz/wp-content/themes/university/…default-photo-grid.jpg (expiration not specified)
http://www.vstecb.cz/wp-content/uploads/2018/01/ajj.jpg (expiration not specified)
http://www.vstecb.cz/wp-content/uploads/2018/01/button_en.jpg (expiration not specified)
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http://www.vstecb.cz/wp-content/uploads/2018/01/logo-vste.png (expiration not specified)
http://www.vstecb.cz/wp-content/uploads/2019/02/ro…a_slevarna-554x674.jpg (expiration not specified)
http://www.vstecb.cz/wp-content/uploads/2019/03/IM…212_113759-554x674.jpg (expiration not specified)
http://www.vstecb.cz/wp-content/uploads/2019/06/DSC_0015-554x674.jpg (expiration not specified)
http://www.vstecb.cz/wp-content/uploads/2019/08/VI…_-page-002-554x674.jpg (expiration not specified)
http://www.vstecb.cz/wp-content/uploads/2019/08/aj.jpg (expiration not specified)
http://www.vstecb.cz/wp-content/uploads/2019/08/cats-554x674.jpg (expiration not specified)
http://static.hotjar.com/c/hotjar-582457.js?sv=5 (60 seconds)
http://www.googletagmanager.com/gtm.js?id=GTM-W4N6F7 (15 minutes)
https://www.googletagmanager.com/gtag/js?id=AW-942916429 (15 minutes)
https://www.googletagmanager.com/gtag/js?id=AW-971006187 (15 minutes)
http://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/148418…74710?v=2.9.4&r=stable (20 minutes)
https://connect.facebook.net/signals/config/440969…93898?v=2.9.4&r=stable (20 minutes)
https://connect.facebook.net/signals/plugins/inferredEvents.js?v=2.9.4 (20 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
http://www.google-analytics.com/analytics.js (2 hours)
priority - 4 Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
Only about 4% of the final above-the-fold content could be rendered with the full HTML response.
Click to see the screenshot with only the HTML response:
priority - 2 Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 21.2KiB (23% reduction).
Minifying http://www.vstecb.cz/en/ could save 21.1KiB (23% reduction).
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priority - 2 Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 16.3KiB (33% reduction).
Minifying http://www.vstecb.cz/wp-content/themes/university/…othScroll.js?ver=4.9.7 could save 7.5KiB (51% reduction).
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priority - 1 Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 10.5KiB (15% reduction).
Minifying http://www.vstecb.cz/wp-content/plugins/master-sli…der.main.css?ver=3.5.3 could save 9KiB (14% reduction).
Minifying http://www.vstecb.cz/wp-content/themes/university/…wl.theme.css?ver=4.9.7 could save 574B (33% reduction).
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Minifying http://www.vstecb.cz/wp-content/plugins/contact-fo…s/styles.css?ver=5.1.4 could save 204B (13% reduction).
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Minifying http://www.vstecb.cz/wp-content/themes/university/…carousel.css?ver=4.9.7 could save 340B (22% reduction).
Minifying http://www.vstecb.cz/wp-content/uploads/master-slider/custom.css?ver=6 could save 266B (100% reduction).
Minifying http://www.vstecb.cz/wp-content/plugins/contact-fo…s/styles.css?ver=5.1.4 could save 204B (13% reduction).
Minifying http://www.vstecb.cz/wp-content/plugins/wp-pagenav…enavi-css.css?ver=2.70 could save 127B (34% reduction).
vstecb.cz Desktop Resources
| Total Resources | 82 |
| Number of Hosts | 16 |
| Static Resources | 28 |
| JavaScript Resources | 35 |
| CSS Resources | 13 |
vstecb.cz Desktop Resource Breakdown
vstecb.cz mobile page speed rank
Last tested: 2019-08-16
Mobile Speed
Bad
23/100
vstecb.cz Mobile Speed Test Quick Summary
priority - 119 Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 1.1MiB (80% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/js_compose…oser.min.css?ver=5.4.5 could save 407.5KiB (90% reduction).
Compressing http://www.vstecb.cz/wp-content/themes/university/style.css?ver=4.9.7 could save 129.5KiB (82% reduction).
Compressing http://www.vstecb.cz/en/ could save 72KiB (79% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/revslider/…tools.min.js?ver=5.4.6 could save 70.5KiB (65% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/master-sli…lider.min.js?ver=3.5.3 could save 67.8KiB (76% reduction).
Compressing http://www.vstecb.cz/wp-includes/js/jquery/jquery.js?ver=1.12.4 could save 61.9KiB (65% reduction).
Compressing http://www.vstecb.cz/wp-content/themes/university/…trap.min.css?ver=4.9.7 could save 59.6KiB (82% reduction).
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Compressing http://www.vstecb.cz/wp-content/plugins/js_compose…oints.min.js?ver=5.4.5 could save 5.3KiB (67% reduction).
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Compressing http://www.vstecb.cz/wp-content/themes/university/…wl.theme.css?ver=4.9.7 could save 1.1KiB (64% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/contact-fo…s/styles.css?ver=5.0.3 could save 1KiB (61% reduction).
Compressing http://www.vstecb.cz/wp-content/themes/university/…carousel.css?ver=4.9.7 could save 1,011B (65% reduction).
Compressing http://www.vstecb.cz/wp-includes/js/wp-embed.min.js?ver=4.9.7 could save 647B (47% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/u-course/js/custom.js?ver=4.9.7 could save 171B (39% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/wp-pagenav…enavi-css.css?ver=2.70 could save 135B (37% reduction).
Compressing http://www.vstecb.cz/wp-content/uploads/master-slider/custom.css?ver=5.2 could save 126B (48% reduction).
Compressing http://www.vstecb.cz/wp-content/themes/university/style.css?ver=4.9.7 could save 129.5KiB (82% reduction).
Compressing http://www.vstecb.cz/en/ could save 72KiB (79% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/revslider/…tools.min.js?ver=5.4.6 could save 70.5KiB (65% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/master-sli…lider.min.js?ver=3.5.3 could save 67.8KiB (76% reduction).
Compressing http://www.vstecb.cz/wp-includes/js/jquery/jquery.js?ver=1.12.4 could save 61.9KiB (65% reduction).
Compressing http://www.vstecb.cz/wp-content/themes/university/…trap.min.css?ver=4.9.7 could save 59.6KiB (82% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/master-sli…der.main.css?ver=3.5.3 could save 57.6KiB (87% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/js_compose…mate.min.css?ver=5.4.5 could save 46.7KiB (92% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/revslider/…ution.min.js?ver=5.4.6 could save 45.8KiB (72% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/revslider/…settings.css?ver=5.4.6 could save 22.4KiB (76% reduction).
Compressing http://www.vstecb.cz/wp-content/themes/university/…some.min.css?ver=4.9.7 could save 20.1KiB (77% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/js_compose…front.min.js?ver=5.4.5 could save 13.7KiB (71% reduction).
Compressing http://www.vstecb.cz/wp-content/themes/university/…strap.min.js?ver=4.9.7 could save 12.4KiB (70% reduction).
Compressing http://www.vstecb.cz/wp-content/themes/university/…us-themes.js?ver=4.9.7 could save 11.2KiB (75% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/contact-fo…s/scripts.js?ver=5.0.3 could save 10.3KiB (72% reduction).
Compressing http://www.vstecb.cz/wp-content/themes/university/…othScroll.js?ver=4.9.7 could save 10KiB (69% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/u-shortcod…score-min.js?ver=4.9.7 could save 10KiB (66% reduction).
Compressing http://www.vstecb.cz/wp-content/themes/university/…ousel.min.js?ver=4.9.7 could save 8KiB (55% reduction).
Compressing http://www.vstecb.cz/wp-includes/js/wp-emoji-release.min.js?ver=4.9.7 could save 7.3KiB (64% reduction).
Compressing http://www.vstecb.cz/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1 could save 5.9KiB (60% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/js_compose…oints.min.js?ver=5.4.5 could save 5.3KiB (67% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/master-sli…asing.min.js?ver=3.5.3 could save 3.6KiB (66% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/u-shortcod…eTime.min.js?ver=4.9.7 could save 1.6KiB (57% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/duracellto…e-tracker.js?ver=1.9.2 could save 1.1KiB (77% reduction).
Compressing http://www.vstecb.cz/wp-content/themes/university/…wl.theme.css?ver=4.9.7 could save 1.1KiB (64% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/contact-fo…s/styles.css?ver=5.0.3 could save 1KiB (61% reduction).
Compressing http://www.vstecb.cz/wp-content/themes/university/…carousel.css?ver=4.9.7 could save 1,011B (65% reduction).
Compressing http://www.vstecb.cz/wp-includes/js/wp-embed.min.js?ver=4.9.7 could save 647B (47% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/u-course/js/custom.js?ver=4.9.7 could save 171B (39% reduction).
Compressing http://www.vstecb.cz/wp-content/plugins/wp-pagenav…enavi-css.css?ver=2.70 could save 135B (37% reduction).
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priority - 80 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 782.9KiB (57% reduction).
Compressing http://www.vstecb.cz/wp-content/uploads/2018/01/web_slider_mutace.jpg could save 517.8KiB (71% reduction).
Compressing http://www.vstecb.cz/wp-content/uploads/2018/07/140922751692404.jpg could save 62.3KiB (57% reduction).
Compressing http://www.vstecb.cz/wp-content/uploads/2019/02/ro…a_slevarna-554x674.jpg could save 46.6KiB (39% reduction).
Compressing http://www.vstecb.cz/wp-content/uploads/2018/07/14…25DSC_0237-554x419.jpg could save 44.3KiB (48% reduction).
Compressing http://www.vstecb.cz/wp-content/uploads/2019/03/IM…212_113759-554x674.jpg could save 37KiB (33% reduction).
Compressing http://university.cactusthemes.com/wp-content/uplo…-background.jpg?id=985 could save 33.7KiB (36% reduction).
Compressing http://www.vstecb.cz/wp-content/uploads/2018/01/button_en.jpg could save 16.3KiB (71% reduction).
Compressing http://www.vstecb.cz/wp-content/uploads/2018/07/14…55DSC_0029-554x490.jpg could save 16.2KiB (28% reduction).
Compressing http://www.vstecb.cz/wp-content/themes/university/…default-photo-grid.jpg could save 5.2KiB (52% reduction).
Compressing http://www.vstecb.cz/wp-content/uploads/2018/01/logo-vste.png could save 3.6KiB (18% reduction).
Compressing http://www.vstecb.cz/wp-content/uploads/2018/07/140922751692404.jpg could save 62.3KiB (57% reduction).
Compressing http://www.vstecb.cz/wp-content/uploads/2019/02/ro…a_slevarna-554x674.jpg could save 46.6KiB (39% reduction).
Compressing http://www.vstecb.cz/wp-content/uploads/2018/07/14…25DSC_0237-554x419.jpg could save 44.3KiB (48% reduction).
Compressing http://www.vstecb.cz/wp-content/uploads/2019/03/IM…212_113759-554x674.jpg could save 37KiB (33% reduction).
Compressing http://university.cactusthemes.com/wp-content/uplo…-background.jpg?id=985 could save 33.7KiB (36% reduction).
Compressing http://www.vstecb.cz/wp-content/uploads/2018/01/button_en.jpg could save 16.3KiB (71% reduction).
Compressing http://www.vstecb.cz/wp-content/uploads/2018/07/14…55DSC_0029-554x490.jpg could save 16.2KiB (28% reduction).
Compressing http://www.vstecb.cz/wp-content/themes/university/…default-photo-grid.jpg could save 5.2KiB (52% reduction).
Compressing http://www.vstecb.cz/wp-content/uploads/2018/01/logo-vste.png could save 3.6KiB (18% reduction).
priority - 56 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 18 blocking script resources and 13 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Remove render-blocking JavaScript:
http://www.vstecb.cz/wp-includes/js/jquery/jquery.js?ver=1.12.4
http://www.vstecb.cz/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
http://www.vstecb.cz/wp-content/plugins/revslider/…tools.min.js?ver=5.4.6
http://www.vstecb.cz/wp-content/plugins/revslider/…ution.min.js?ver=5.4.6
http://www.vstecb.cz/wp-content/plugins/duracellto…e-tracker.js?ver=1.9.2
http://www.vstecb.cz/wp-content/plugins/u-shortcod…eTime.min.js?ver=4.9.7
http://www.vstecb.cz/wp-content/plugins/u-shortcod…score-min.js?ver=4.9.7
http://www.vstecb.cz/wp-content/plugins/contact-fo…s/scripts.js?ver=5.0.3
http://www.vstecb.cz/wp-content/plugins/js_compose…oints.min.js?ver=5.4.5
http://www.vstecb.cz/wp-content/themes/university/…strap.min.js?ver=4.9.7
http://www.vstecb.cz/wp-content/themes/university/…ousel.min.js?ver=4.9.7
http://www.vstecb.cz/wp-content/themes/university/…othScroll.js?ver=4.9.7
http://www.vstecb.cz/wp-content/themes/university/…us-themes.js?ver=4.9.7
http://www.vstecb.cz/wp-content/plugins/u-course/js/custom.js?ver=4.9.7
http://www.vstecb.cz/wp-includes/js/wp-embed.min.js?ver=4.9.7
http://www.vstecb.cz/wp-content/plugins/js_compose…front.min.js?ver=5.4.5
http://www.vstecb.cz/wp-content/plugins/master-sli…asing.min.js?ver=3.5.3
http://www.vstecb.cz/wp-content/plugins/master-sli…lider.min.js?ver=3.5.3
http://www.vstecb.cz/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
http://www.vstecb.cz/wp-content/plugins/revslider/…tools.min.js?ver=5.4.6
http://www.vstecb.cz/wp-content/plugins/revslider/…ution.min.js?ver=5.4.6
http://www.vstecb.cz/wp-content/plugins/duracellto…e-tracker.js?ver=1.9.2
http://www.vstecb.cz/wp-content/plugins/u-shortcod…eTime.min.js?ver=4.9.7
http://www.vstecb.cz/wp-content/plugins/u-shortcod…score-min.js?ver=4.9.7
http://www.vstecb.cz/wp-content/plugins/contact-fo…s/scripts.js?ver=5.0.3
http://www.vstecb.cz/wp-content/plugins/js_compose…oints.min.js?ver=5.4.5
http://www.vstecb.cz/wp-content/themes/university/…strap.min.js?ver=4.9.7
http://www.vstecb.cz/wp-content/themes/university/…ousel.min.js?ver=4.9.7
http://www.vstecb.cz/wp-content/themes/university/…othScroll.js?ver=4.9.7
http://www.vstecb.cz/wp-content/themes/university/…us-themes.js?ver=4.9.7
http://www.vstecb.cz/wp-content/plugins/u-course/js/custom.js?ver=4.9.7
http://www.vstecb.cz/wp-includes/js/wp-embed.min.js?ver=4.9.7
http://www.vstecb.cz/wp-content/plugins/js_compose…front.min.js?ver=5.4.5
http://www.vstecb.cz/wp-content/plugins/master-sli…asing.min.js?ver=3.5.3
http://www.vstecb.cz/wp-content/plugins/master-sli…lider.min.js?ver=3.5.3
Optimize CSS Delivery of the following:
http://www.vstecb.cz/wp-content/plugins/contact-fo…s/styles.css?ver=5.0.3
http://www.vstecb.cz/wp-content/plugins/revslider/…settings.css?ver=5.4.6
http://www.vstecb.cz/wp-content/plugins/wp-pagenav…enavi-css.css?ver=2.70
http://fonts.googleapis.com/css?family=Roboto%3A40…ext%7CUbuntu&ver=4.9.7
http://www.vstecb.cz/wp-content/themes/university/…trap.min.css?ver=4.9.7
http://www.vstecb.cz/wp-content/themes/university/…some.min.css?ver=4.9.7
http://www.vstecb.cz/wp-content/themes/university/…carousel.css?ver=4.9.7
http://www.vstecb.cz/wp-content/themes/university/…wl.theme.css?ver=4.9.7
http://www.vstecb.cz/wp-content/themes/university/style.css?ver=4.9.7
http://www.vstecb.cz/wp-content/plugins/js_compose…oser.min.css?ver=5.4.5
http://www.vstecb.cz/wp-content/plugins/master-sli…der.main.css?ver=3.5.3
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priority - 25 Reduce server response time
In our test, your server responded in 0.30 seconds.
There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.
priority - 16 Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
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http://static.hotjar.com/c/hotjar-582457.js?sv=5 (60 seconds)
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https://www.googletagmanager.com/gtag/js?id=AW-942916429 (15 minutes)
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http://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/148418…74710?v=2.9.2&r=stable (20 minutes)
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http://connect.facebook.net/en_US/fbevents.js (20 minutes)
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https://connect.facebook.net/signals/config/148418…74710?v=2.9.2&r=stable (20 minutes)
https://connect.facebook.net/signals/config/440969…93898?v=2.9.2&r=stable (20 minutes)
https://connect.facebook.net/signals/plugins/inferredEvents.js?v=2.9.2 (20 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
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priority - 16 Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
Only about 25% of the final above-the-fold content could be rendered with the full HTML response.
Click to see the screenshot with only the HTML response:
priority - 2 Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
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priority - 2 Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
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priority - 1 Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
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vstecb.cz Mobile Resources
| Total Resources | 76 |
| Number of Hosts | 16 |
| Static Resources | 25 |
| JavaScript Resources | 35 |
| CSS Resources | 13 |
vstecb.cz Mobile Resource Breakdown
vstecb.cz mobile page usability
Last tested: 2019-08-16
Mobile Usability
Good
100/100
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vstecb.cz Ping
Ping is a networking utility tool to test if a particular host is reachable. It is a diagnostic that checks reachability of a host on an Internet Protocol (IP) network. In a computer network, a ping test is a way of sending messages from one host to another. Aside from checking if the host is connected to a network, ping also gives indicators of the reliability and general speed of the connection.
vstecb.cz TRACEROUTE
Traceroute is a network diagnostic tool used to track the pathway taken by a packet on an IP network from source to destination. Traceroute also records the time taken for each hop the packet makes during its route to the destination. Traceroute uses ICMP (Internet Control Message Protocol) echo packets with variable time to live values. The response time of each hop is calculated. To guarantee accuracy, each hop is queried multiple times (usually three times) to better measure the response of that particular hop.