Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

izolator.sk

Fúkaná celulózová a striekaná penová izolácia – Izolator.sk

Page Load Speed

6.5 sec in total

First Response

1.5 sec

Resources Loaded

4.7 sec

Page Rendered

310 ms

About Website

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

Vďaka správnej izolácii dokážete rapídne znížiť náklady spojené s vykurovaním. Nechajte si ZDARMA vytvoriť cenovú ponuku ešte dnes!

Visit izolator.sk

Key Findings

We analyzed Izolator.sk page load time and found that the first response time was 1.5 sec and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

izolator.sk performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value850 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

www.izolator.sk

1470 ms

gtm.js

79 ms

autoptimize_381fb523154adb217cabff3e48eb76f0.css

449 ms

autoptimize_fd259bb0fb556bb19b8bdecec48eae0c.css

328 ms

css

42 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 31% of them (16 requests) were addressed to the original Izolator.sk, 56% (29 requests) were made to Fonts.gstatic.com and 8% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Izolator.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.2 kB (6%)

Content Size

911.4 kB

After Optimization

860.1 kB

In fact, the total size of Izolator.sk main page is 911.4 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. 65% of websites need less resources to load. Javascripts take 342.0 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 47.8 kB

  • Original 63.4 kB
  • After minification 63.4 kB
  • After compression 15.6 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 47.8 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 1.1 kB

  • Original 317.4 kB
  • After minification 316.3 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. Izolator images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 83 B

  • Original 342.0 kB
  • After minification 342.0 kB
  • After compression 341.9 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

-1%

Potential reduce by 2.2 kB

  • Original 188.6 kB
  • After minification 188.6 kB
  • After compression 186.4 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. Izolator.sk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (67%)

Requests Now

18

After Optimization

6

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Izolator. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

izolator.sk accessibility score

96

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

Links do not have a discernible name

Best Practices

izolator.sk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

izolator.sk SEO score

89

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

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 Izolator.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 Izolator.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

Open Graph data is detected on the main page of Izolator. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: