Tools & Wizards About Us
onio.cz screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    87% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

onio.cz

ONIO s.r.o. | Tvoříme jednodušší budoucnost online světa

Page Load Speed

2.1 sec in total

First Response

360 ms

Resources Loaded

1.4 sec

Page Rendered

363 ms

onio.cz screenshot

About Website

Visit onio.cz now to see the best up-to-date ONIO content for Czech Republic and also check out these interesting facts you probably never knew about onio.cz

Že jste o Oniu ještě neslyšeli? Možná vám budou povědomější názvy e-shopů Pneumatiky.cz a Rucni-naradi.cz. Tyto a mnohé další naše firma sdružuje a stará se o jejich růst.

Visit onio.cz

Key Findings

We analyzed Onio.cz page load time and found that the first response time was 360 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

onio.cz performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

Network Requests Diagram

onio.cz

360 ms

www.onio.cz

358 ms

design.css

115 ms

hp.css

228 ms

urchin.js

6 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 92% of them (22 requests) were addressed to the original Onio.cz, 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (452 ms) belongs to the original domain Onio.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 26.9 kB (14%)

Content Size

189.4 kB

After Optimization

162.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Onio.cz main page is 189.4 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. 20% of websites need less resources to load. Images take 167.2 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 7.6 kB

  • Original 10.8 kB
  • After minification 10.0 kB
  • After compression 3.2 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 7.6 kB or 71% of the original size.

Image Optimization

-9%

Potential reduce by 14.9 kB

  • Original 167.2 kB
  • After minification 152.3 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. ONIO images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 1.5 kB

  • Original 7.6 kB
  • After minification 7.5 kB
  • After compression 6.1 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 1.5 kB or 20% of the original size.

CSS Optimization

-75%

Potential reduce by 2.9 kB

  • Original 3.9 kB
  • After minification 2.6 kB
  • After compression 977 B

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. Onio.cz needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 75% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

22

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ONIO. According to our analytics all requests are already optimized.

Network Requests Diagram

onio.cz

onio.cz

360 ms

www.onio.cz

www.onio.cz

358 ms

design.css

design.css

115 ms

hp.css

hp.css

228 ms

urchin.js

urchin.js

6 ms

ga.js

ga.js

232 ms

top_hp.jpg

top_hp.jpg

377 ms

www.pneumatiky.cz.small.jpg

www.pneumatiky.cz.small.jpg

340 ms

www.rucni-naradi.cz.small.jpg

www.rucni-naradi.cz.small.jpg

341 ms

www.vyhodne-bryle.cz.small.jpg

www.vyhodne-bryle.cz.small.jpg

343 ms

www.duchodovareforma.cz.small.jpg

www.duchodovareforma.cz.small.jpg

447 ms

www.duchod.cz.small.jpg

www.duchod.cz.small.jpg

338 ms

www.rucne-naradie.sk.small.jpg

www.rucne-naradie.sk.small.jpg

451 ms

www.e-pneumatiky.sk.small.jpg

www.e-pneumatiky.sk.small.jpg

452 ms

www.pneuservisy.cz.small.jpg

www.pneuservisy.cz.small.jpg

452 ms

bg_transparency.gif

bg_transparency.gif

233 ms

topmenu_spacer.gif

topmenu_spacer.gif

262 ms

body_bg.gif

body_bg.gif

445 ms

top_shadow.gif

top_shadow.gif

338 ms

body_logo.gif

body_logo.gif

339 ms

headingimage.gif

headingimage.gif

340 ms

hp_infolinka_bg.jpg

hp_infolinka_bg.jpg

345 ms

bottom_shadow.gif

bottom_shadow.gif

374 ms

__utm.gif

__utm.gif

5 ms

Accessibility Review

onio.cz accessibility score

88

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

onio.cz best practices score

67

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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

onio.cz SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Onio.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 Onio.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.

Social Sharing Optimization

onio.cz

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