9.1 sec in total
653 ms
7.4 sec
1.1 sec
Click here to check amazing Nikdyneprestaneme O2 content for Slovakia. Otherwise, check out these important facts you probably never knew about nikdyneprestaneme.o2.sk
Férový operátor O2 Slovensko. Vyberte si z ponuky výhodných volaní, dátových balíčkov, mobilných telefónov a tabletov v O2 E-shope. Kontrola spotreby, faktúry, dobíjanie kreditu a aktivácia balíčkov v...
Visit nikdyneprestaneme.o2.skWe analyzed Nikdyneprestaneme.o2.sk page load time and found that the first response time was 653 ms and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
nikdyneprestaneme.o2.sk performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value15.6 s
0/100
25%
Value12.4 s
3/100
10%
Value3,140 ms
2/100
30%
Value0.011
100/100
15%
Value19.7 s
2/100
10%
653 ms
41 ms
569 ms
583 ms
225 ms
Our browser made a total of 400 requests to load all elements on the main page. We found that 17% of them (67 requests) were addressed to the original Nikdyneprestaneme.o2.sk, 56% (225 requests) were made to Services.o2.sk and 8% (33 requests) were made to O2.sk. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Nikdyneprestaneme.o2.sk.
Page size can be reduced by 1.4 MB (28%)
5.0 MB
3.6 MB
In fact, the total size of Nikdyneprestaneme.o2.sk main page is 5.0 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. Only a small number of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.
Potential reduce by 345.8 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 61.9 kB, which is 15% 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 345.8 kB or 84% of the original size.
Potential reduce by 415.5 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, Nikdyneprestaneme O2 needs image optimization as it can save up to 415.5 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 483.5 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 483.5 kB or 70% of the original size.
Potential reduce by 161.3 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. Nikdyneprestaneme.o2.sk needs all CSS files to be minified and compressed as it can save up to 161.3 kB or 82% of the original size.
Number of requests can be reduced by 90 (24%)
373
283
The browser has sent 373 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nikdyneprestaneme O2. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
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nikdyneprestaneme.o2.sk accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
nikdyneprestaneme.o2.sk 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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
nikdyneprestaneme.o2.sk SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
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
SK
SK
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nikdyneprestaneme.o2.sk can be misinterpreted by Google and other search engines. Our service has detected that Slovak is used on the page, and it matches the claimed language. Our system also found out that Nikdyneprestaneme.o2.sk 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.
nikdyneprestaneme.o2.sk
Open Graph data is detected on the main page of Nikdyneprestaneme O2. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: