5.2 sec in total
376 ms
4.5 sec
321 ms
Welcome to alchemiae.cz homepage info - get ready to check Alchemiae best content for Czech Republic right away, or after learning these important things about alchemiae.cz
Alchymistická dílna, která byla objevena v jednom z nejstarších domů v Haštalské ulici v Praze - jedinečné muzeum alchymie.
Visit alchemiae.czWe analyzed Alchemiae.cz page load time and found that the first response time was 376 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
alchemiae.cz performance score
name
value
score
weighting
Value4.7 s
12/100
10%
Value17.1 s
0/100
25%
Value8.5 s
18/100
10%
Value720 ms
41/100
30%
Value0.178
68/100
15%
Value12.8 s
13/100
10%
376 ms
916 ms
355 ms
357 ms
242 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that 71% of them (41 requests) were addressed to the original Alchemiae.cz, 5% (3 requests) were made to Static.tacdn.com and 5% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Alchemiae.cz.
Page size can be reduced by 594.0 kB (24%)
2.5 MB
1.9 MB
In fact, the total size of Alchemiae.cz main page is 2.5 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. 65% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 27.5 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 27.5 kB or 77% of the original size.
Potential reduce by 29.7 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. Alchemiae images are well optimized though.
Potential reduce by 310.2 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 310.2 kB or 69% of the original size.
Potential reduce by 226.5 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. Alchemiae.cz needs all CSS files to be minified and compressed as it can save up to 226.5 kB or 82% of the original size.
Number of requests can be reduced by 28 (53%)
53
25
The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alchemiae. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.
alchemiae.cz
376 ms
cs
916 ms
system.base.css
355 ms
system.menus.css
357 ms
system.messages.css
242 ms
system.theme.css
359 ms
comment.css
242 ms
field.css
362 ms
mollom.css
361 ms
node.css
471 ms
search.css
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user.css
474 ms
views.css
476 ms
colorbox_style.css
600 ms
ctools.css
479 ms
views_slideshow.css
587 ms
locale.css
590 ms
views_slideshow_cycle.css
591 ms
layout.css
713 ms
js_xAPl0qIk9eowy_iS9tNkCWXLUVoat94SQT48UBCFkyQ.js
956 ms
js_ru7tj8hAozu0jBGrzWhcSzoqqmM0liiBZ5pEFkMqv78.js
976 ms
js_0Q5kFoGUm116xOylTDNL7BJmos18V-QQ3oQfPjG6va8.js
709 ms
wejs
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dc.js
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pozadi-ver3.jpg
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cs.png
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en.png
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menu-leaf.png
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header.png
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header2.png
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speculum-alchemiae-vchod.png
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rudolf-ii.png
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MagicalTriangleTour2016.jpg
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elixiry-prodej.jpg
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CzT_RGB.jpg
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Praha.jpg
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mysterium-tour-praga.jpg
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logo_GT_prague_al.jpg
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cdswidget-ratingsonly-v21719610117a.css
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www-embed-player-vfl-z2BtK.css
31 ms
www-embed-player.js
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base.js
74 ms
fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js
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ad_status.js
36 ms
2UX7WLTfW3W8TclTUvlFyQ.woff
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alchemiae.cz accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
alchemiae.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
alchemiae.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alchemiae.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 Alchemiae.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.
alchemiae.cz
Open Graph description is not detected on the main page of Alchemiae. 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: