11.8 sec in total
442 ms
11 sec
326 ms
Welcome to lenovo.o2.sk homepage info - get ready to check Lenovo O2 best content for Slovakia right away, or after learning these important things about lenovo.o2.sk
V našom e-shope nájdete tie najlepšie telefóny, ale aj rôzne mobilné zariadenia či elektroniku do domácnosti.
Visit lenovo.o2.skWe analyzed Lenovo.o2.sk page load time and found that the first response time was 442 ms and then it took 11.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
lenovo.o2.sk performance score
name
value
score
weighting
Value6.0 s
4/100
10%
Value6.5 s
9/100
25%
Value12.5 s
3/100
10%
Value4,390 ms
1/100
30%
Value0.042
99/100
15%
Value21.7 s
1/100
10%
442 ms
332 ms
1203 ms
1194 ms
776 ms
Our browser made a total of 401 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Lenovo.o2.sk, 77% (307 requests) were made to O2.sk and 11% (43 requests) were made to O2static.sk. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source O2static.sk.
Page size can be reduced by 1.0 MB (32%)
3.2 MB
2.1 MB
In fact, the total size of Lenovo.o2.sk main page is 3.2 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.3 MB which makes up the majority of the site volume.
Potential reduce by 413.2 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. 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 413.2 kB or 90% of the original size.
Potential reduce by 324.0 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, Lenovo O2 needs image optimization as it can save up to 324.0 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 279.3 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 279.3 kB or 67% of the original size.
Number of requests can be reduced by 78 (20%)
394
316
The browser has sent 394 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lenovo 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 43 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
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lenovo.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.
lenovo.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
lenovo.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
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lenovo.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 Lenovo.o2.sk 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.
lenovo.o2.sk
Open Graph description is not detected on the main page of Lenovo O2. 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: