6.5 sec in total
430 ms
5.8 sec
256 ms
Visit osk-art.cz now to see the best up-to-date Osk Art content and also check out these interesting facts you probably never knew about osk-art.cz
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Visit osk-art.czWe analyzed Osk-art.cz page load time and found that the first response time was 430 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
osk-art.cz performance score
name
value
score
weighting
Value3.6 s
31/100
10%
Value3.8 s
55/100
25%
Value4.4 s
73/100
10%
Value60 ms
100/100
30%
Value0
100/100
15%
Value5.0 s
77/100
10%
430 ms
230 ms
233 ms
958 ms
490 ms
Our browser made a total of 77 requests to load all elements on the main page. We found that 97% of them (75 requests) were addressed to the original Osk-art.cz, 3% (2 requests) were made to Pocitadlo.co.cz. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Osk-art.cz.
Page size can be reduced by 384.3 kB (24%)
1.6 MB
1.2 MB
In fact, the total size of Osk-art.cz main page is 1.6 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. 20% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 654 B
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 654 B or 55% of the original size.
Potential reduce by 362.6 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, Osk Art needs image optimization as it can save up to 362.6 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 4.4 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 4.4 kB or 84% of the original size.
Potential reduce by 16.7 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. Osk-art.cz needs all CSS files to be minified and compressed as it can save up to 16.7 kB or 88% of the original size.
Number of requests can be reduced by 7 (10%)
72
65
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Osk Art. 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.
osk-art.cz
430 ms
gallery
230 ms
down.php
233 ms
958 ms
fotoserver
490 ms
style.css
524 ms
scripts.js
214 ms
box_left_icon.gif
1078 ms
fotoserver
153 ms
OSK-ART-FB.jpg
1791 ms
1057 ms
reto_160x300.gif
1165 ms
masojidek.jpg
1061 ms
top_panel_r1_c4.jpg
207 ms
top_panel_r1_c1.jpg
319 ms
top_panel_r1_c2.jpg
317 ms
top_panel_r2_c3.jpg
213 ms
top_panel_r2_c2.jpg
215 ms
left_menu_button.gif
214 ms
menu_spacer.gif
416 ms
menu_button.gif
416 ms
right_menu_button.gif
429 ms
tableh1_bg.gif
431 ms
thumb_lednove_paradoxy.jpg
739 ms
thumb_snekoid.jpg
643 ms
thumb_sneznik_race_2009-04.jpg
729 ms
thumb_krizovy_vrch-01.jpg
744 ms
thumb_bulb.jpg
744 ms
thumb_365-365.jpg
746 ms
spacer.gif
853 ms
thumb_soumrak.jpg
943 ms
thumb_xxxx.jpg
1056 ms
thumb_nela.jpg
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thumb_00000.jpg
1164 ms
thumb_DSC_9705-2.jpg
1060 ms
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1168 ms
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thumb_kvetina.jpg
1585 ms
thumb_kotelnik.jpg
1469 ms
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1581 ms
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1480 ms
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1591 ms
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2006 ms
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1900 ms
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2000 ms
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2091 ms
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2003 ms
thumb_List.jpg
1881 ms
thumb_plamenak%20-%20black.jpg
2138 ms
tableh1a_bg_middle.gif
1921 ms
box_left_icon.gif
2007 ms
thumb_DSC_2456.jpg
2413 ms
thumb_PF-2016.jpg
2135 ms
thumb_2015-11-Saustejn.jpg
2209 ms
thumb_2015-11-Sokoli_vrch.jpg
2152 ms
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2442 ms
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2221 ms
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2677 ms
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2509 ms
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2524 ms
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2493 ms
thumb_PICT1647.JPG
2187 ms
thumb_Adrenalin%20Challenge.jpg
2523 ms
thumb_chicken_meeting.jpg
2359 ms
thumb_20100403-IMG_2409-002nick01.jpg
2341 ms
osk-art.cz accessibility score
osk-art.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
General
Impact
Issue
Detected JavaScript libraries
osk-art.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
CS
N/A
WINDOWS-1250
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osk-art.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Osk-art.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.
osk-art.cz
Open Graph description is not detected on the main page of Osk Art. 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: