Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

nastava.tvz.hr

nastava.tvz

Page Load Speed

6.6 sec in total

First Response

2.3 sec

Resources Loaded

3.9 sec

Page Rendered

408 ms

nastava.tvz.hr screenshot

About Website

Welcome to nastava.tvz.hr homepage info - get ready to check Nastava Tvz best content for Austria right away, or after learning these important things about nastava.tvz.hr

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Key Findings

We analyzed Nastava.tvz.hr page load time and found that the first response time was 2.3 sec and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

nastava.tvz.hr performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.0 s

10/100

10%

Network Requests Diagram

nastava.tvz.hr

2252 ms

style.css

121 ms

tvzscript.js

229 ms

widget.css

249 ms

styles.css

250 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that all of those requests were addressed to Nastava.tvz.hr and no external sources were called. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Nastava.tvz.hr.

Page Optimization Overview & Recommendations

Page size can be reduced by 399.1 kB (74%)

Content Size

541.3 kB

After Optimization

142.2 kB

In fact, the total size of Nastava.tvz.hr main page is 541.3 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. 35% of websites need less resources to load. Javascripts take 321.1 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 11.4 kB

  • Original 15.7 kB
  • After minification 15.0 kB
  • After compression 4.3 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 11.4 kB or 72% of the original size.

Image Optimization

-32%

Potential reduce by 4.4 kB

  • Original 13.7 kB
  • After minification 9.3 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. Obviously, Nastava Tvz needs image optimization as it can save up to 4.4 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 216.1 kB

  • Original 321.1 kB
  • After minification 310.4 kB
  • After compression 105.0 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 216.1 kB or 67% of the original size.

CSS Optimization

-88%

Potential reduce by 167.2 kB

  • Original 190.9 kB
  • After minification 171.4 kB
  • After compression 23.7 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. Nastava.tvz.hr needs all CSS files to be minified and compressed as it can save up to 167.2 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (89%)

Requests Now

35

After Optimization

4

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nastava Tvz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nastava.tvz.hr accessibility score

96

Accessibility Issues

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

nastava.tvz.hr best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

nastava.tvz.hr SEO score

92

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 uses legible font sizes

Language and Encoding

  • Language Detected

    HR

  • Language Claimed

    HR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nastava.tvz.hr can be misinterpreted by Google and other search engines. Our service has detected that Croatian is used on the page, and it matches the claimed language. Our system also found out that Nastava.tvz.hr 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

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