Tools & Wizards About Us
osko.sk screenshot

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

osko.sk

Elektroinštalačný materiál - OSKO as, káble, veľkoobchod, svietidlá, ističe, spínače, relé

Page Load Speed

3.2 sec in total

First Response

1.1 sec

Resources Loaded

1.9 sec

Page Rendered

168 ms

osko.sk screenshot

About Website

Visit osko.sk now to see the best up-to-date OSKO content and also check out these interesting facts you probably never knew about osko.sk

elektroinštalačný materiál, ,elektro, Banská Bystrica, Zvolen, svietidlá, káble, vodiče, veľkoobchod, ističe, chrániče, stykače, spínače, relé, trubky, hadice, vypínače, zásuvky

Visit osko.sk

Key Findings

We analyzed Osko.sk page load time and found that the first response time was 1.1 sec and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

osko.sk performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

osko.sk

1067 ms

miro.css

243 ms

smetu.jpg

515 ms

hlavicka.jpg

697 ms

nadpis.jpg

486 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to Osko.sk and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Osko.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 65.9 kB (28%)

Content Size

234.6 kB

After Optimization

168.7 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Osko.sk main page is 234.6 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. Only 5% of websites need less resources to load. Images take 210.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 8.6 kB

  • Original 10.7 kB
  • After minification 6.6 kB
  • After compression 2.1 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 4.1 kB, which is 38% 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 8.6 kB or 80% of the original size.

Image Optimization

-22%

Potential reduce by 45.4 kB

  • Original 210.2 kB
  • After minification 164.8 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, OSKO needs image optimization as it can save up to 45.4 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-87%

Potential reduce by 12.0 kB

  • Original 13.7 kB
  • After minification 10.7 kB
  • After compression 1.8 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. Osko.sk needs all CSS files to be minified and compressed as it can save up to 12.0 kB or 87% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

  • Images
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OSKO. According to our analytics all requests are already optimized.

Network Requests Diagram

osko.sk

osko.sk

1067 ms

miro.css

miro.css

243 ms

smetu.jpg

smetu.jpg

515 ms

hlavicka.jpg

hlavicka.jpg

697 ms

nadpis.jpg

nadpis.jpg

486 ms

ramik_vrch_200.jpg

ramik_vrch_200.jpg

368 ms

Baner-RZA_OEZ.jpg

Baner-RZA_OEZ.jpg

641 ms

kuz_maly.jpg

kuz_maly.jpg

516 ms

Baner-MINIA_OEZ.jpg

Baner-MINIA_OEZ.jpg

747 ms

akcia_schneider_zima_2015_maly.jpg

akcia_schneider_zima_2015_maly.jpg

851 ms

email.gif

email.gif

858 ms

home.jpg

home.jpg

761 ms

Accessibility Review

osko.sk accessibility score

58

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

osko.sk best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

osko.sk SEO score

67

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    SK

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osko.sk can be misinterpreted by Google and other search engines. Our service has detected that Slovak is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Osko.sk main page’s claimed encoding is windows-1250. 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.

Social Sharing Optimization

osko.sk

Open Graph description is not detected on the main page of OSKO. 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: