2 sec in total
346 ms
1.5 sec
129 ms
Click here to check amazing Irfanview content for Czech Republic. Otherwise, check out these important facts you probably never knew about irfanview.cz
Simple to use and easy to modify free Content Management Script written in PHP. Installation takes less than 5 minutes and it doesn't require MySQL.
Visit irfanview.czWe analyzed Irfanview.cz page load time and found that the first response time was 346 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
irfanview.cz performance score
name
value
score
weighting
Value7.2 s
1/100
10%
Value9.0 s
1/100
25%
Value9.5 s
12/100
10%
Value310 ms
77/100
30%
Value0.048
99/100
15%
Value9.4 s
31/100
10%
346 ms
576 ms
119 ms
387 ms
236 ms
Our browser made a total of 17 requests to load all elements on the main page. We found that 65% of them (11 requests) were addressed to the original Irfanview.cz, 12% (2 requests) were made to Google-analytics.com and 6% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (576 ms) belongs to the original domain Irfanview.cz.
Page size can be reduced by 98.6 kB (58%)
168.9 kB
70.3 kB
In fact, the total size of Irfanview.cz main page is 168.9 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. 15% of websites need less resources to load. Javascripts take 139.0 kB which makes up the majority of the site volume.
Potential reduce by 2.9 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 2.9 kB or 59% of the original size.
Potential reduce by 2.9 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, Irfanview needs image optimization as it can save up to 2.9 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 80.5 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 80.5 kB or 58% of the original size.
Potential reduce by 12.3 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. Irfanview.cz needs all CSS files to be minified and compressed as it can save up to 12.3 kB or 79% of the original size.
Number of requests can be reduced by 4 (31%)
13
9
The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Irfanview. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
irfanview.cz
346 ms
www.irfanview.cz
576 ms
style.css
119 ms
jquery.min.js
387 ms
common.js
236 ms
quick.slider.js
234 ms
quick.box.js
236 ms
css
23 ms
analytics.js
42 ms
count.asp
208 ms
background.png
118 ms
back_to_top.png
119 ms
options.png
120 ms
powered.png
119 ms
u-WUoqrET9fUeobQW7jkRT8E0i7KZn-EPnyo3HZu7kw.woff
18 ms
collect
17 ms
collect
64 ms
irfanview.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
Document doesn't have a <title> element
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
irfanview.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
irfanview.cz SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a <title> element
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
N/A
CZ
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Irfanview.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is . Our system also found out that Irfanview.cz main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
irfanview.cz
Open Graph description is not detected on the main page of Irfanview. 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: