Tools & Wizards About Us
zsvelka.edupage.sk screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

zsvelka.edupage.sk

Základná škola s materskou školou Aurela Viliama Scherfela, Fraňa Kráľa 2086/2, Poprad

Page Load Speed

10.9 sec in total

First Response

1.1 sec

Resources Loaded

9.1 sec

Page Rendered

737 ms

zsvelka.edupage.sk screenshot

About Website

Welcome to zsvelka.edupage.sk homepage info - get ready to check Zsvelka Edupage best content for Slovakia right away, or after learning these important things about zsvelka.edupage.sk

Visit zsvelka.edupage.sk

Key Findings

We analyzed Zsvelka.edupage.sk page load time and found that the first response time was 1.1 sec and then it took 9.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

zsvelka.edupage.sk performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value22.1 s

0/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value460 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value18.8 s

3/100

10%

Network Requests Diagram

zsvelka.edupage.sk

1073 ms

jquery-ui-1.10.2.css

282 ms

edupageDefault.css

387 ms

jquery-1.9.1.min.js

402 ms

jquery-ui-1.10.2.min.js

501 ms

Our browser made a total of 534 requests to load all elements on the main page. We found that 11% of them (60 requests) were addressed to the original Zsvelka.edupage.sk, 88% (472 requests) were made to Zsvelka.edupage.org and 0% (1 request) were made to Static1.edupage.org. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Zsvelka.edupage.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (21%)

Content Size

6.4 MB

After Optimization

5.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zsvelka.edupage.sk main page is 6.4 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 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 258.7 kB

  • Original 305.1 kB
  • After minification 281.9 kB
  • After compression 46.5 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 258.7 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 204.0 kB

  • Original 4.9 MB
  • After minification 4.7 MB

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. Zsvelka Edupage images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 640.5 kB

  • Original 875.6 kB
  • After minification 782.9 kB
  • After compression 235.1 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 640.5 kB or 73% of the original size.

CSS Optimization

-85%

Potential reduce by 266.5 kB

  • Original 311.8 kB
  • After minification 260.4 kB
  • After compression 45.3 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. Zsvelka.edupage.sk needs all CSS files to be minified and compressed as it can save up to 266.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (8%)

Requests Now

533

After Optimization

489

  • Images
  • JavaScript
  • CSS

The browser has sent 533 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zsvelka Edupage. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zsvelka.edupage.sk

zsvelka.edupage.sk

1073 ms

jquery-ui-1.10.2.css

jquery-ui-1.10.2.css

282 ms

edupageDefault.css

edupageDefault.css

387 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

402 ms

jquery-ui-1.10.2.min.js

jquery-ui-1.10.2.min.js

501 ms

lang_sk.js

lang_sk.js

865 ms

edubarUtils.js

edubarUtils.js

474 ms

skin.css

skin.css

393 ms

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asc.css

394 ms

asc.js

asc.js

660 ms

ui.js

ui.js

677 ms

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299 ms

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Accessibility Review

zsvelka.edupage.sk accessibility score

60

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zsvelka.edupage.sk best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

zsvelka.edupage.sk SEO score

76

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

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

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 uses 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 Zsvelka.edupage.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 Zsvelka.edupage.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

zsvelka.edupage.sk

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