Tools & Wizards About Us
proefekt.sk screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

proefekt.sk

PROefekt - diagnostika a tréning

Page Load Speed

2.8 sec in total

First Response

261 ms

Resources Loaded

2.3 sec

Page Rendered

281 ms

proefekt.sk screenshot

About Website

Click here to check amazing PROefekt content. Otherwise, check out these important facts you probably never knew about proefekt.sk

Mgr. Juraj Karas, PhD. - PROefekt: športová diagnostika, riadený tréning a ďalšie poradenstvo pre vytrvalostné športy

Visit proefekt.sk

Key Findings

We analyzed Proefekt.sk page load time and found that the first response time was 261 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

proefekt.sk performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.495

16/100

15%

TTI (Time to Interactive)

Value5.0 s

76/100

10%

Network Requests Diagram

proefekt.sk

261 ms

proefekt.sk

526 ms

jquery.min.js

248 ms

jquery.dropotron.min.js

324 ms

jquery.scrolly.min.js

340 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 92% of them (35 requests) were addressed to the original Proefekt.sk, 5% (2 requests) were made to Ssl.google-analytics.com and 3% (1 request) were made to Rec.getsmartlook.com. The less responsive or slowest element that took the longest time to load (878 ms) belongs to the original domain Proefekt.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 157.0 kB (13%)

Content Size

1.2 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Proefekt.sk main page is 1.2 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. 20% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 17.4 kB

  • Original 22.7 kB
  • After minification 20.0 kB
  • After compression 5.3 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 2.7 kB, which is 12% 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 17.4 kB or 77% of the original size.

Image Optimization

-13%

Potential reduce by 135.8 kB

  • Original 1.1 MB
  • After minification 936.8 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, PROefekt needs image optimization as it can save up to 135.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 1.5 kB

  • Original 74.6 kB
  • After minification 74.6 kB
  • After compression 73.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-15%

Potential reduce by 2.2 kB

  • Original 14.8 kB
  • After minification 14.4 kB
  • After compression 12.6 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. Proefekt.sk needs all CSS files to be minified and compressed as it can save up to 2.2 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (44%)

Requests Now

34

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PROefekt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

proefekt.sk

proefekt.sk

261 ms

proefekt.sk

proefekt.sk

526 ms

jquery.min.js

jquery.min.js

248 ms

jquery.dropotron.min.js

jquery.dropotron.min.js

324 ms

jquery.scrolly.min.js

jquery.scrolly.min.js

340 ms

jquery.onvisible.min.js

jquery.onvisible.min.js

340 ms

skel.min.js

skel.min.js

341 ms

skel-layers.min.js

skel-layers.min.js

344 ms

init.js

init.js

361 ms

iframe-sizeing.js

iframe-sizeing.js

430 ms

skel.css

skel.css

452 ms

style.css

style.css

453 ms

style-noscript.css

style-noscript.css

453 ms

myFunctions.js

myFunctions.js

456 ms

style-wide.css

style-wide.css

115 ms

style-normal.css

style-normal.css

173 ms

fonts-google.min.css

fonts-google.min.css

115 ms

font-awesome.min.css

font-awesome.min.css

119 ms

bundle.js

bundle.js

89 ms

ga.js

ga.js

66 ms

header4_prechody.jpg

header4_prechody.jpg

878 ms

nav_back.png

nav_back.png

116 ms

logo_menu.png

logo_menu.png

126 ms

FB_logo.jpg

FB_logo.jpg

144 ms

trening.jpg

trening.jpg

446 ms

team.jpg

team.jpg

530 ms

sledovat.jpg

sledovat.jpg

633 ms

across.png

across.png

267 ms

ground.PNG

ground.PNG

344 ms

kosice.png

kosice.png

494 ms

ffwd.png

ffwd.png

492 ms

isaac.png

isaac.png

564 ms

aone.png

aone.png

658 ms

nestle.png

nestle.png

618 ms

porostav.jpg

porostav.jpg

647 ms

sport-import.png

sport-import.png

699 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

853 ms

__utm.gif

__utm.gif

13 ms

Accessibility Review

proefekt.sk accessibility score

77

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

proefekt.sk best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

proefekt.sk SEO score

92

Search Engine Optimization Advices

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

High

Document doesn't use legible font sizes

Language and Encoding

  • Language Detected

    SK

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

Social Sharing Optimization

proefekt.sk

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