4 sec in total
362 ms
3 sec
622 ms
Click here to check amazing Astro content for Iran. Otherwise, check out these important facts you probably never knew about astro.cz
Visit astro.czWe analyzed Astro.cz page load time and found that the first response time was 362 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
astro.cz performance score
name
value
score
weighting
Value5.9 s
4/100
10%
Value7.0 s
6/100
25%
Value6.7 s
36/100
10%
Value220 ms
88/100
30%
Value0.16
73/100
15%
Value8.1 s
41/100
10%
362 ms
705 ms
27 ms
454 ms
240 ms
Our browser made a total of 84 requests to load all elements on the main page. We found that 77% of them (65 requests) were addressed to the original Astro.cz, 10% (8 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (994 ms) belongs to the original domain Astro.cz.
Page size can be reduced by 715.9 kB (40%)
1.8 MB
1.1 MB
In fact, the total size of Astro.cz main page is 1.8 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. 55% of websites need less resources to load. Images take 874.9 kB which makes up the majority of the site volume.
Potential reduce by 39.3 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 39.3 kB or 73% of the original size.
Potential reduce by 46.1 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. Astro images are well optimized though.
Potential reduce by 518.6 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 518.6 kB or 73% of the original size.
Potential reduce by 112.0 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. Astro.cz needs all CSS files to be minified and compressed as it can save up to 112.0 kB or 85% of the original size.
Number of requests can be reduced by 21 (28%)
74
53
The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
astro.cz
362 ms
www.astro.cz
705 ms
css
27 ms
main.css
454 ms
autoSuggest.css
240 ms
jquery-ui-1.8.23.custom.css
359 ms
jquery-ui-timepicker-addon.css
243 ms
responsive-tables.css
678 ms
jquery.min.js
30 ms
jquery.tools.min.js
10 ms
jquery.plugin.js
348 ms
jquery.countdown.min.js
361 ms
jquery.countdown-cs.js
361 ms
jquery-ui-1.8.23.custom.min.js
715 ms
jquery-ui-timepicker-addon.min.js
594 ms
jquery.colorbox-min.js
475 ms
responsive-tables.js
480 ms
jquery.autoSuggest.js
562 ms
main.js
597 ms
kalendar.js
601 ms
analytics.js
29 ms
hotjar-25765.js
152 ms
bg_body.jpg
710 ms
all.js
276 ms
bg_header.png
474 ms
logo.png
360 ms
bg_search.png
134 ms
bg_clock.png
137 ms
sprite.png
135 ms
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987 ms
collect
12 ms
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994 ms
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911 ms
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59 ms
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modules-1f5c71aea63f8df71401422ed80fbe5f.js
32 ms
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828 ms
60 ms
xd_arbiter.php
229 ms
xd_arbiter.php
443 ms
069834.jpg
829 ms
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835 ms
bullet_1.png
834 ms
bg_icons.png
834 ms
ui-bg_flat_50_ffffff_40x100.png
789 ms
print.css
121 ms
astro.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
Form elements do not have associated labels
Links do not have a discernible name
astro.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
astro.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
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 Astro.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 Astro.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.
astro.cz
Open Graph description is not detected on the main page of Astro. 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: