Tools & Wizards About Us

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

dvdsystem.pl

HifiSystem - sklep Audio Video Warszawa - Denon, Piega, Naim, Cambridge Audio, Sonus Faber, Audio Research, Loewe, Focal

Page Load Speed

4.9 sec in total

First Response

879 ms

Resources Loaded

3.7 sec

Page Rendered

362 ms

About Website

Welcome to dvdsystem.pl homepage info - get ready to check Dvd System best content right away, or after learning these important things about dvdsystem.pl

Systemy Audio Video, Zestawy stereo i kino domowe. Najlepsze marki w jednym miejscu. Kompleksowa obsługa - instalacje

Visit dvdsystem.pl

Key Findings

We analyzed Dvdsystem.pl page load time and found that the first response time was 879 ms and then it took 4 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

dvdsystem.pl performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value18.8 s

0/100

10%

TBT (Total Blocking Time)

Value11,180 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.079

94/100

15%

TTI (Time to Interactive)

Value18.7 s

3/100

10%

Network Requests Diagram

dvdsystem.pl

879 ms

default.css

466 ms

lightbox.css

360 ms

jquery-1.3.2.min.js

830 ms

jquery.lightbox.js

535 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 94% of them (72 requests) were addressed to the original Dvdsystem.pl, 3% (2 requests) were made to Status.gadu-gadu.pl and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Dvdsystem.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 185.9 kB (31%)

Content Size

599.1 kB

After Optimization

413.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dvdsystem.pl main page is 599.1 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. 15% of websites need less resources to load. Images take 386.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 72.6 kB

  • Original 88.0 kB
  • After minification 87.8 kB
  • After compression 15.4 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 72.6 kB or 83% of the original size.

Image Optimization

-9%

Potential reduce by 35.3 kB

  • Original 386.5 kB
  • After minification 351.2 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. Dvd System images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 70.0 kB

  • Original 114.6 kB
  • After minification 102.9 kB
  • After compression 44.6 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 70.0 kB or 61% of the original size.

CSS Optimization

-80%

Potential reduce by 8.0 kB

  • Original 10.0 kB
  • After minification 7.5 kB
  • After compression 2.0 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. Dvdsystem.pl needs all CSS files to be minified and compressed as it can save up to 8.0 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (32%)

Requests Now

76

After Optimization

52

  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dvd System. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dvdsystem.pl accessibility score

83

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

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

dvdsystem.pl best practices score

58

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

dvdsystem.pl SEO score

93

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

    PL

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-2

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dvdsystem.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 Dvdsystem.pl main page’s claimed encoding is iso-8859-2. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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