Tools & Wizards About Us
zones.sk screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

zones.sk

Zones.sk – Najväčší študentský portál

Page Load Speed

3.8 sec in total

First Response

508 ms

Resources Loaded

3 sec

Page Rendered

319 ms

zones.sk screenshot

About Website

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

Študentský portál, ktorý orientuje služby a informácie venované špeciálne pre študentov. Referáty, Ťaháky, Učebné poznámky, Maturita, Maturitné otázky.

Visit zones.sk

Key Findings

We analyzed Zones.sk page load time and found that the first response time was 508 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

zones.sk performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

55/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value1,710 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.337

33/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

zones.sk

508 ms

www.zones.sk

534 ms

zones.css

175 ms

studentske_prace.css

295 ms

titulka.css

327 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 62% of them (50 requests) were addressed to the original Zones.sk, 9% (7 requests) were made to Pagead2.googlesyndication.com and 7% (6 requests) were made to Kurz-euro.zones.sk. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Zones.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 77.9 kB (7%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zones.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. 55% of websites need less resources to load. Images take 621.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 48.7 kB

  • Original 64.1 kB
  • After minification 61.8 kB
  • After compression 15.3 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. 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 48.7 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 2.0 kB

  • Original 621.9 kB
  • After minification 619.9 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. Zones images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 19.3 kB

  • Original 462.2 kB
  • After minification 462.2 kB
  • After compression 442.9 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

-31%

Potential reduce by 7.9 kB

  • Original 25.2 kB
  • After minification 25.2 kB
  • After compression 17.3 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. Zones.sk needs all CSS files to be minified and compressed as it can save up to 7.9 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (41%)

Requests Now

79

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zones. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zones.sk

zones.sk

508 ms

www.zones.sk

www.zones.sk

534 ms

zones.css

zones.css

175 ms

studentske_prace.css

studentske_prace.css

295 ms

titulka.css

titulka.css

327 ms

js

js

57 ms

adsbygoogle.js

adsbygoogle.js

107 ms

adsbygoogle.js

adsbygoogle.js

196 ms

js_functions.js

js_functions.js

432 ms

google-cse.css

google-cse.css

433 ms

responsive.js

responsive.js

432 ms

js

js

122 ms

usd.svg

usd.svg

584 ms

czk.svg

czk.svg

710 ms

gbp.svg

gbp.svg

812 ms

huf.svg

huf.svg

888 ms

pln.svg

pln.svg

890 ms

kurzova_kalkulacka.svg

kurzova_kalkulacka.svg

886 ms

dot-online.svg

dot-online.svg

206 ms

dot-orange.svg

dot-orange.svg

212 ms

zones.svg

zones.svg

208 ms

den-matiek.svg

den-matiek.svg

206 ms

dot-menu.svg

dot-menu.svg

210 ms

ui-search.svg

ui-search.svg

212 ms

1fe3986033791ffb8d323d05f8f8354c.jpg

1fe3986033791ffb8d323d05f8f8354c.jpg

424 ms

m-date.svg

m-date.svg

284 ms

m-category.svg

m-category.svg

291 ms

8b5c5a98a649155c41e6bdde5f45d437_thumb.jpg

8b5c5a98a649155c41e6bdde5f45d437_thumb.jpg

283 ms

ce3873e5695a0c94d21bedd985c44c07_thumb.jpg

ce3873e5695a0c94d21bedd985c44c07_thumb.jpg

307 ms

t-questions.svg

t-questions.svg

289 ms

zmaturuj_banner_maturita.jpg

zmaturuj_banner_maturita.jpg

668 ms

zmaturuj_banner_testy.jpg

zmaturuj_banner_testy.jpg

628 ms

t-books.svg

t-books.svg

404 ms

t-hashtag.svg

t-hashtag.svg

412 ms

sb-star.svg

sb-star.svg

431 ms

sb-item.svg

sb-item.svg

531 ms

mladi_ludia3.jpg

mladi_ludia3.jpg

1113 ms

sb-offers.svg

sb-offers.svg

575 ms

sb-add.svg

sb-add.svg

580 ms

k-holiday-calendar.svg

k-holiday-calendar.svg

636 ms

k-holiday-autumn.svg

k-holiday-autumn.svg

649 ms

k-holiday-christmas.svg

k-holiday-christmas.svg

706 ms

k-holiday-halfyear.svg

k-holiday-halfyear.svg

738 ms

k-holiday-winter.svg

k-holiday-winter.svg

753 ms

k-holiday-easter.svg

k-holiday-easter.svg

759 ms

k-holiday-easter-egg.svg

k-holiday-easter-egg.svg

777 ms

k-holiday-summer.svg

k-holiday-summer.svg

808 ms

dievcata_notebook.jpg

dievcata_notebook.jpg

854 ms

pomocky.jpg

pomocky.jpg

903 ms

maturantka_knihy.jpg

maturantka_knihy.jpg

886 ms

zones_referaty.jpg

zones_referaty.jpg

849 ms

show_ads_impl.js

show_ads_impl.js

385 ms

zones_menu2.svg

zones_menu2.svg

814 ms

heart-zones.svg

heart-zones.svg

871 ms

sp-document.svg

sp-document.svg

771 ms

sp-add.svg

sp-add.svg

781 ms

sp-list.svg

sp-list.svg

796 ms

zones-owl.svg

zones-owl.svg

802 ms

rss.svg

rss.svg

884 ms

dot-blue.svg

dot-blue.svg

905 ms

ui-speed.svg

ui-speed.svg

911 ms

sdk.js

sdk.js

16 ms

asyncjsX.php

asyncjsX.php

732 ms

sdk.js

sdk.js

5 ms

41 ms

zrt_lookup.html

zrt_lookup.html

79 ms

ads

ads

532 ms

ads

ads

76 ms

ads

ads

495 ms

ca-pub-9205749889165725

ca-pub-9205749889165725

93 ms

12387334016842448429

12387334016842448429

187 ms

load_preloaded_resource.js

load_preloaded_resource.js

57 ms

abg_lite.js

abg_lite.js

159 ms

window_focus.js

window_focus.js

50 ms

qs_click_protection.js

qs_click_protection.js

51 ms

ufs_web_display.js

ufs_web_display.js

43 ms

bbcd6bf18c20baa1b2adeb195de9b551.js

bbcd6bf18c20baa1b2adeb195de9b551.js

177 ms

icon.png

icon.png

40 ms

sodar

sodar

84 ms

activeview

activeview

146 ms

WGg91BhL6Bhk3qTAPqmblqNZdzujbVjDoJfr3h8Q3EY.js

WGg91BhL6Bhk3qTAPqmblqNZdzujbVjDoJfr3h8Q3EY.js

51 ms

Accessibility Review

zones.sk accessibility score

79

Accessibility Issues

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

zones.sk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Page has valid source maps

SEO Factors

zones.sk SEO score

79

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    SK

  • Language Claimed

    SK

  • Encoding

    UTF-8

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

zones.sk

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