3.8 sec in total
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2.5 sec
224 ms
Welcome to otazky.libimseti.cz homepage info - get ready to check Otazky Libimseti best content for United States right away, or after learning these important things about otazky.libimseti.cz
Visit otazky.libimseti.czWe analyzed Otazky.libimseti.cz page load time and found that the first response time was 1 sec and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
otazky.libimseti.cz performance score
name
value
score
weighting
Value3.6 s
32/100
10%
Value11.8 s
0/100
25%
Value16.6 s
1/100
10%
Value7,670 ms
0/100
30%
Value0.006
100/100
15%
Value34.3 s
0/100
10%
1023 ms
462 ms
89 ms
216 ms
324 ms
Our browser made a total of 72 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Otazky.libimseti.cz, 33% (24 requests) were made to I.libimseti.cz and 17% (12 requests) were made to Static.ad.libimseti.cz. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Otazky.libimseti.cz.
Page size can be reduced by 215.4 kB (66%)
326.5 kB
111.1 kB
In fact, the total size of Otazky.libimseti.cz main page is 326.5 kB. 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. Javascripts take 203.8 kB which makes up the majority of the site volume.
Potential reduce by 34.2 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 10.4 kB, which is 25% 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 34.2 kB or 81% of the original size.
Potential reduce by 412 B
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. Otazky Libimseti images are well optimized though.
Potential reduce by 131.9 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 131.9 kB or 65% of the original size.
Potential reduce by 49.0 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. Otazky.libimseti.cz needs all CSS files to be minified and compressed as it can save up to 49.0 kB or 82% of the original size.
Number of requests can be reduced by 50 (71%)
70
20
The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Otazky Libimseti. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and as a result speed up the page load time.
otazky.libimseti.cz
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screen.css
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jquery.js
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jquery.reload.js
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lstCore.js
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framework.js
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detail.js
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screen.css
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jquery.sticky.js
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jquery.anchorTextUrls.js
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otazky.libimseti.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.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
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
otazky.libimseti.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
Registers an unload listener
Detected JavaScript libraries
Uses deprecated APIs
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
otazky.libimseti.cz SEO score
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
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Otazky.libimseti.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 Otazky.libimseti.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.
otazky.libimseti.cz
Open Graph description is not detected on the main page of Otazky Libimseti. 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: