5 sec in total
370 ms
4.4 sec
267 ms
Welcome to optys.cz homepage info - get ready to check Optys best content for Czech Republic right away, or after learning these important things about optys.cz
Tiskárna a největší výrobce tiskopisů v ČR. ✓ Školní, výtvarné i kancelářské potřeby. ✓ Doručení zdarma nad 1 500 Kč. ✓ Blog s návody pro zákazníky. ✓
Visit optys.czWe analyzed Optys.cz page load time and found that the first response time was 370 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
optys.cz performance score
name
value
score
weighting
Value4.0 s
24/100
10%
Value9.9 s
0/100
25%
Value6.0 s
47/100
10%
Value710 ms
42/100
30%
Value0.149
76/100
15%
Value10.1 s
26/100
10%
370 ms
852 ms
130 ms
268 ms
481 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 79% of them (52 requests) were addressed to the original Optys.cz, 3% (2 requests) were made to Heureka.cz and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Optys.cz.
Page size can be reduced by 199.6 kB (12%)
1.7 MB
1.5 MB
In fact, the total size of Optys.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. 35% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 13.1 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 13.1 kB or 71% of the original size.
Potential reduce by 62.2 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. Optys images are well optimized though.
Potential reduce by 59.4 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 59.4 kB or 59% of the original size.
Potential reduce by 64.9 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. Optys.cz needs all CSS files to be minified and compressed as it can save up to 64.9 kB or 85% of the original size.
Number of requests can be reduced by 23 (36%)
64
41
The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optys. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
optys.cz
370 ms
www.optys.cz
852 ms
media-screen.css
130 ms
responsive.css
268 ms
jquery.fancybox-1.3.4.css
481 ms
jquery.min.js
69 ms
jquery.mousewheel-3.0.4.pack.js
336 ms
jquery.fancybox-1.3.4.pack.js
247 ms
jquery.cycle.all.min.js
1268 ms
obecne.js
502 ms
optys.js
368 ms
kontrola_formularu.js
383 ms
stranka-pozadi.jpg
596 ms
logo-optys.png
135 ms
motiv-1-92.png
1015 ms
banner-tiskarna-optys.png
364 ms
motiv-1-89.png
728 ms
motiv-1-94.png
910 ms
motiv-1-97.png
1628 ms
banner-1-nad-patickou-eshop.png
486 ms
banner-2-nad-patickou-eshop.png
608 ms
gtm.js
69 ms
rychly-kontakt-telefon.gif
700 ms
jazykove-mutace.png
718 ms
vlajka-cz.png
819 ms
vse-o-nakupu-vpravo.png
833 ms
vse-o-nakupu.png
840 ms
ikona-o-nas.png
939 ms
ikona-kontakty.png
952 ms
menu-hlavicka-pozadi-tmave-eshop.png
1480 ms
vyhledavani-eshop.jpg
1017 ms
vyhledavani-eshop-tlacitko.png
1058 ms
maly-ramecek-vpravo.png
1073 ms
maly-ramecek.png
1119 ms
shop-nabidky-polozka-horni.png
1158 ms
banner-pozice-1-mutace-1.png
1186 ms
shop-nabidky-polozka.png
1193 ms
banner-pozice-2-mutace-1.png
1243 ms
banner-pozice-3-mutace-1.png
1281 ms
menu-produkty-horni.png
1307 ms
menu-produkty-dolni.png
1312 ms
menu-produkty-prubeh.png
1363 ms
menu-provozovny-separator.gif
1403 ms
menu-produkty-odkaz-uroven-1.gif
1425 ms
menu-provozovny-horni.png
1431 ms
menu-provozovny-dolni.png
1484 ms
menu-provozovny-prubeh.png
1526 ms
menu-provozovny-odrazka.gif
1545 ms
menu-provozovny-sipka.gif
1550 ms
gjs.php
319 ms
myx.js
224 ms
conversion_async.js
16 ms
analytics.js
24 ms
fbds.js
22 ms
117 ms
collect
12 ms
collect
71 ms
maskot-1-1449486901.png
1606 ms
53 ms
20180-12.png
209 ms
widget.php
119 ms
maskot-2-1444371775.png
1261 ms
paticka-copyright.gif
1182 ms
jazykove-mutace-seznam.png
1091 ms
media-print.css
123 ms
23 ms
optys.cz accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
Some elements have a [tabindex] value greater than 0
optys.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
Missing source maps for large first-party JavaScript
optys.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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optys.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 Optys.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.
optys.cz
Open Graph description is not detected on the main page of Optys. 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: