4.4 sec in total
955 ms
2.8 sec
600 ms
Click here to check amazing OPTIMA content for Czech Republic. Otherwise, check out these important facts you probably never knew about optima.cz
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Visit optima.czWe analyzed Optima.cz page load time and found that the first response time was 955 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
optima.cz performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value5.6 s
17/100
25%
Value8.1 s
21/100
10%
Value220 ms
87/100
30%
Value0.071
96/100
15%
Value5.8 s
67/100
10%
955 ms
323 ms
538 ms
224 ms
324 ms
Our browser made a total of 67 requests to load all elements on the main page. We found that 64% of them (43 requests) were addressed to the original Optima.cz, 16% (11 requests) were made to Content.ekatalog.biz and 6% (4 requests) were made to Servis.optima.cz. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Servis.optima.cz.
Page size can be reduced by 696.7 kB (44%)
1.6 MB
880.3 kB
In fact, the total size of Optima.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. 35% of websites need less resources to load. Images take 728.8 kB which makes up the majority of the site volume.
Potential reduce by 80.7 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 17.2 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 80.7 kB or 84% of the original size.
Potential reduce by 45.6 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. OPTIMA images are well optimized though.
Potential reduce by 395.3 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 395.3 kB or 73% of the original size.
Potential reduce by 175.0 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. Optima.cz needs all CSS files to be minified and compressed as it can save up to 175.0 kB or 83% of the original size.
Number of requests can be reduced by 20 (32%)
63
43
The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OPTIMA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
optima.cz
955 ms
jquery-ui.css
323 ms
bootstrap.min.css
538 ms
bootstrap-dialog.css
224 ms
ekatalog-font.css
324 ms
ekatalog.css
433 ms
premio-font.css
331 ms
jquery-2.1.1.min.js
529 ms
jquery-ui-1.10.4.min.js
753 ms
bootstrap.min.js
564 ms
bootstrap-dialog.min.js
439 ms
jquery.responsiveTabs.js
562 ms
bootstrap-toolkit.min.js
563 ms
ekatalog.js
636 ms
localization
650 ms
css
663 ms
modernizr-2.7.2.js
788 ms
noimage.js
658 ms
jquery.dotdotdot.min.js
443 ms
coin-slider.min.js
549 ms
ekatalogHome.js
549 ms
analytics.js
104 ms
widget.png
889 ms
logo.png
770 ms
vymenadisplejeoptima.jpg
1092 ms
LNN59428936_s.jpg
773 ms
staticmap
743 ms
dopravazdarma.jpg
1072 ms
trhak.jpg
974 ms
crono.jpg
974 ms
qnap_ico.png
725 ms
razer_ico.gif
723 ms
iget_ico.png
725 ms
evolveo_ico.png
727 ms
kitsound_ico.png
726 ms
istorage_ico.png
725 ms
zyxel_ico.png
728 ms
netgear_ico.gif
726 ms
dicota_ico.png
728 ms
asus_ico.png
729 ms
fontastic_ico.png
729 ms
lenovo_ico.png
729 ms
celly_ico.png
731 ms
tp-link_ico.png
733 ms
natec_genesis_ico.png
733 ms
gpbatteries_ico.gif
731 ms
AirLive_ico.gif
733 ms
samsung_ico.png
733 ms
synology_ico.png
738 ms
hp_ico.png
739 ms
95SG115_s.jpg
735 ms
cz_SM-G928FZKAETL_001_Front_black_s.jpg
735 ms
IMG_095_s.jpg
735 ms
wdfElementsPortable.jpg
735 ms
95SG250_s.jpg
735 ms
SGMSGP-Q6-LTE_s.jpg
757 ms
T1L58EA_s.jpg
756 ms
gold-front_s.jpg
756 ms
snim.png
755 ms
187065347_s.jpg
755 ms
gjs.php
663 ms
logo.png
123 ms
glyphicons-halflings-regular.woff
119 ms
collect
12 ms
widget.php
127 ms
collect
54 ms
left-zalozka-only.png
238 ms
optima.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
Links do not have a discernible name
optima.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
optima.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
CS
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optima.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 Optima.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.
optima.cz
Open Graph description is not detected on the main page of OPTIMA. 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: