Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

supernova.com.pl

Supernova

Page Load Speed

1.4 sec in total

First Response

509 ms

Resources Loaded

783 ms

Page Rendered

74 ms

supernova.com.pl screenshot

About Website

Visit supernova.com.pl now to see the best up-to-date Supernova Com content and also check out these interesting facts you probably never knew about supernova.com.pl

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Key Findings

We analyzed Supernova.com.pl page load time and found that the first response time was 509 ms and then it took 857 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

supernova.com.pl performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value2.8 s

95/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

supernova.com.pl

509 ms

jquery.min.js

26 ms

bootstrap.min.css

22 ms

live.css

230 ms

css

48 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 19% of them (3 requests) were addressed to the original Supernova.com.pl, 69% (11 requests) were made to Cdn.jsdelivr.net and 13% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (509 ms) belongs to the original domain Supernova.com.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.9 kB (20%)

Content Size

53.3 kB

After Optimization

42.4 kB

In fact, the total size of Supernova.com.pl main page is 53.3 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. CSS take 25.7 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 10.7 kB

  • Original 14.9 kB
  • After minification 14.8 kB
  • After compression 4.2 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 10.7 kB or 72% of the original size.

JavaScript Optimization

-0%

Potential reduce by 11 B

  • Original 12.8 kB
  • After minification 12.8 kB
  • After compression 12.8 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 217 B

  • Original 25.7 kB
  • After minification 25.7 kB
  • After compression 25.5 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. Supernova.com.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (87%)

Requests Now

15

After Optimization

2

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Supernova Com. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

supernova.com.pl accessibility score

95

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

Best Practices

supernova.com.pl 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

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

supernova.com.pl 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 uses legible font sizes

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Supernova.com.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish 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 Supernova.com.pl 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 Supernova Com. 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: