6.9 sec in total
457 ms
5.8 sec
664 ms
Welcome to colosus.cz homepage info - get ready to check Colosus best content for Czech Republic right away, or after learning these important things about colosus.cz
Zbraně a střelivo na sebeobranu i cvičnou střelbu. Dostupné on-line s dodáním až domů. Dále máme v nabídce také luky, kuše a pyrotechniku.
Visit colosus.czWe analyzed Colosus.cz page load time and found that the first response time was 457 ms and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
colosus.cz performance score
name
value
score
weighting
Value3.2 s
43/100
10%
Value8.2 s
2/100
25%
Value7.4 s
27/100
10%
Value340 ms
74/100
30%
Value0.001
100/100
15%
Value12.6 s
14/100
10%
457 ms
1065 ms
1081 ms
523 ms
881 ms
Our browser made a total of 100 requests to load all elements on the main page. We found that 90% of them (90 requests) were addressed to the original Colosus.cz, 2% (2 requests) were made to C.imedia.cz and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Colosus.cz.
Page size can be reduced by 249.9 kB (9%)
2.7 MB
2.4 MB
In fact, the total size of Colosus.cz main page is 2.7 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. 60% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.
Potential reduce by 106.5 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. This page needs HTML code to be minified as it can gain 28.2 kB, which is 23% 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 106.5 kB or 87% of the original size.
Potential reduce by 104.7 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. Colosus images are well optimized though.
Potential reduce by 28.6 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 28.6 kB or 50% of the original size.
Potential reduce by 10.1 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. Colosus.cz needs all CSS files to be minified and compressed as it can save up to 10.1 kB or 81% of the original size.
Number of requests can be reduced by 30 (32%)
95
65
The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Colosus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
colosus.cz
457 ms
www.colosus.cz
1065 ms
style.css
1081 ms
script.js
523 ms
jquery.addressautocomplete.js
881 ms
jquery.jcarousel.js
1039 ms
retargeting.js
224 ms
index.jpg
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paticka.png
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ga.js
121 ms
retargeting
125 ms
myx.js
573 ms
gjs.php
423 ms
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colosus.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.
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
Form elements do not have associated labels
Links do not have a discernible name
colosus.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
Browser errors were logged to the console
colosus.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
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Colosus.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 Colosus.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.
colosus.cz
Open Graph description is not detected on the main page of Colosus. 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: