32.4 sec in total
4.9 sec
26.3 sec
1.2 sec
Welcome to abchistory.cz homepage info - get ready to check Abchistory best content for Czech Republic right away, or after learning these important things about abchistory.cz
Historickému bádání dáváme praktickou hodnotu.
Visit abchistory.czWe analyzed Abchistory.cz page load time and found that the first response time was 4.9 sec and then it took 27.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 16 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
abchistory.cz performance score
name
value
score
weighting
Value5.5 s
6/100
10%
Value7.9 s
3/100
25%
Value8.6 s
17/100
10%
Value50 ms
100/100
30%
Value0.116
85/100
15%
Value8.9 s
34/100
10%
4885 ms
278 ms
268 ms
17346 ms
10652 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that all of those requests were addressed to Abchistory.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Abchistory.cz.
Page size can be reduced by 43.5 kB (56%)
77.5 kB
34.0 kB
In fact, the total size of Abchistory.cz main page is 77.5 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 43.9 kB which makes up the majority of the site volume.
Potential reduce by 34.0 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 34.0 kB or 78% of the original size.
Potential reduce by 6.7 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. Obviously, Abchistory needs image optimization as it can save up to 6.7 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 260 B
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 260 B or 44% of the original size.
Potential reduce by 2.5 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. Abchistory.cz needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 82% of the original size.
Number of requests can be reduced by 21 (81%)
26
5
The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Abchistory. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
index.html
4885 ms
jspngfix.js
278 ms
wpstyles.css
268 ms
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jsMenu.js
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abchistory.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
Links do not have a discernible name
abchistory.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
abchistory.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
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Abchistory.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 Abchistory.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.
abchistory.cz
Open Graph description is not detected on the main page of Abchistory. 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: