5.8 sec in total
442 ms
4.7 sec
637 ms
Visit koralky.cz now to see the best up-to-date Koralky content for Czech Republic and also check out these interesting facts you probably never knew about koralky.cz
Místo, kde všechny ruce najdou kvalitní materiál a inspiraci pro svůj kreativní projekt. Vše skladem ✓ 4 kamenné prodejny ✓
Visit koralky.czWe analyzed Koralky.cz page load time and found that the first response time was 442 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
koralky.cz performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value14.3 s
0/100
25%
Value6.0 s
46/100
10%
Value2,960 ms
3/100
30%
Value0.418
23/100
15%
Value12.0 s
16/100
10%
442 ms
930 ms
81 ms
250 ms
703 ms
Our browser made a total of 86 requests to load all elements on the main page. We found that 63% of them (54 requests) were addressed to the original Koralky.cz, 5% (4 requests) were made to Google-analytics.com and 2% (2 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Koralky.cz.
Page size can be reduced by 793.5 kB (17%)
4.8 MB
4.0 MB
In fact, the total size of Koralky.cz main page is 4.8 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. 60% of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.
Potential reduce by 45.5 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 45.5 kB or 75% of the original size.
Potential reduce by 23.4 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. Koralky images are well optimized though.
Potential reduce by 503.0 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 503.0 kB or 74% of the original size.
Potential reduce by 221.7 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. Koralky.cz needs all CSS files to be minified and compressed as it can save up to 221.7 kB or 87% of the original size.
Number of requests can be reduced by 31 (40%)
77
46
The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koralky. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.
koralky.cz
442 ms
www.koralky.cz
930 ms
css
81 ms
styles.css
250 ms
combined.js
703 ms
select2_locale_cs.js
235 ms
iMAWebCookie.js
146 ms
body.jpg
263 ms
beads-bg.jpg
779 ms
gtm.js
78 ms
sdk.js
164 ms
beads-header.png
128 ms
logo.png
251 ms
all24.png
477 ms
select.png
250 ms
cs.png
250 ms
sk.png
382 ms
en.png
380 ms
168.jpg
489 ms
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logo-preciosa.png
592 ms
logo-toho.png
596 ms
logo-miyuki.png
600 ms
logo-swarovski-elements.png
603 ms
logo-staedtler.png
609 ms
logo-matubo.png
710 ms
ajax.gif
827 ms
718.jpg
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840 ms
136.jpg
826 ms
133.jpg
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952 ms
trustmark.png
1074 ms
apek.png
988 ms
gopay.png
1058 ms
master-card-secure-code.png
1060 ms
master-card.png
1062 ms
verified-by-visa.png
1067 ms
visa.png
1105 ms
gjs.php
228 ms
u-WUoqrET9fUeobQW7jkRT8E0i7KZn-EPnyo3HZu7kw.woff
121 ms
DXI1ORHCpsQm3Vp6mXoaTRa1RVmPjeKy21_GQJaLlJI.woff
157 ms
freehand521.woff
1390 ms
analytics.js
50 ms
conversion_async.js
45 ms
retargeting.js
220 ms
3e00afbafc0a77f6e93fe1e462aea27b.js
42 ms
hotjar-21953.js
97 ms
fbevents.js
95 ms
53 ms
linkid.js
46 ms
koralky.woff
1046 ms
213 ms
69 ms
xd_arbiter.php
192 ms
xd_arbiter.php
300 ms
collect
43 ms
collect
102 ms
modules-1f5c71aea63f8df71401422ed80fbe5f.js
46 ms
collect
34 ms
collect
90 ms
187 ms
ss-social-regular.woff
958 ms
d34c0e63778d4d236fe5eacc42f2091c.js
47 ms
13415.jpg
1986 ms
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2000 ms
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1948 ms
41034-1.png
217 ms
widget.php
122 ms
ga-audiences
69 ms
retargeting
113 ms
12077.jpg
1968 ms
warehouse-carousel.jpg
1032 ms
visit-data
209 ms
134.jpg
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1525 ms
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1611 ms
print.css
121 ms
left-zalozka-only-gold.png
105 ms
koralky.cz accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
ARIA IDs are not unique
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
koralky.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
Browser errors were logged to the console
Page has valid source maps
koralky.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 Koralky.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 Koralky.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.
koralky.cz
Open Graph data is detected on the main page of Koralky. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: