Tools & Wizards About Us
dobregrzejniki.pl screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

dobregrzejniki.pl

Piece akumulacyjne, grzejniki elektryczne, bojlery - DobreGrzejniki.pl

Page Load Speed

4.5 sec in total

First Response

1.3 sec

Resources Loaded

2.9 sec

Page Rendered

253 ms

dobregrzejniki.pl screenshot

About Website

Welcome to dobregrzejniki.pl homepage info - get ready to check Dobre Grzejniki best content right away, or after learning these important things about dobregrzejniki.pl

Piece akumulacyjne dynamiczne i statyczne, grzejniki elektryczne, grzejniki na podczerwień, hybrydowe, bojlery elektryczne

Visit dobregrzejniki.pl

Key Findings

We analyzed Dobregrzejniki.pl page load time and found that the first response time was 1.3 sec and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

dobregrzejniki.pl performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

58/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.162

72/100

15%

TTI (Time to Interactive)

Value9.3 s

31/100

10%

Network Requests Diagram

dobregrzejniki.pl

1327 ms

v_6_ef82519029dbee9f3e3ee533abb4c4ab_all.css

354 ms

css

32 ms

api.js'

123 ms

v_6_b7d0a79fcb361bc1970e3fdf116b9212.js

582 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 73% of them (22 requests) were addressed to the original Dobregrzejniki.pl, 10% (3 requests) were made to Fonts.gstatic.com and 7% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Dobregrzejniki.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 80.9 kB (26%)

Content Size

309.4 kB

After Optimization

228.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dobregrzejniki.pl main page is 309.4 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. 25% of websites need less resources to load. Images take 99.1 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 80.2 kB

  • Original 93.5 kB
  • After minification 79.0 kB
  • After compression 13.3 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. This page needs HTML code to be minified as it can gain 14.5 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 80.2 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 99.1 kB
  • After minification 99.1 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. Dobre Grzejniki images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 451 B

  • Original 79.6 kB
  • After minification 79.6 kB
  • After compression 79.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 212 B

  • Original 37.1 kB
  • After minification 37.1 kB
  • After compression 36.9 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. Dobregrzejniki.pl has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

24

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dobre Grzejniki. According to our analytics all requests are already optimized.

Network Requests Diagram

dobregrzejniki.pl

dobregrzejniki.pl

1327 ms

v_6_ef82519029dbee9f3e3ee533abb4c4ab_all.css

v_6_ef82519029dbee9f3e3ee533abb4c4ab_all.css

354 ms

css

css

32 ms

api.js'

api.js'

123 ms

v_6_b7d0a79fcb361bc1970e3fdf116b9212.js

v_6_b7d0a79fcb361bc1970e3fdf116b9212.js

582 ms

css

css

21 ms

dobregrzejnikipl-1409127132.jpg

dobregrzejnikipl-1409127132.jpg

123 ms

konwektor-cns-200-s-stiebel-eltron-2-kw.jpg

konwektor-cns-200-s-stiebel-eltron-2-kw.jpg

122 ms

konwektor-cns-150-s-stiebel-eltron-15-kw.jpg

konwektor-cns-150-s-stiebel-eltron-15-kw.jpg

255 ms

ces-5000-grzejnik-lazienkowy.jpg

ces-5000-grzejnik-lazienkowy.jpg

254 ms

konwektor-cns-250-s-stiebel-eltron-25-kw.jpg

konwektor-cns-250-s-stiebel-eltron-25-kw.jpg

310 ms

konwektor-cns-200-s-stiebel-eltron-2-kw.jpg

konwektor-cns-200-s-stiebel-eltron-2-kw.jpg

370 ms

konwektor-promiennikowy-cnr-200-stiebel-eltron-2-kw.jpg

konwektor-promiennikowy-cnr-200-stiebel-eltron-2-kw.jpg

484 ms

piec-akumulacyjny-dynamiczny-ets-300-stiebel-eltron-3-kw.jpg

piec-akumulacyjny-dynamiczny-ets-300-stiebel-eltron-3-kw.jpg

373 ms

konwektor-cns-200-trend-u-stiebel-eltron-2-kw.jpg

konwektor-cns-200-trend-u-stiebel-eltron-2-kw.jpg

372 ms

elektroniczny-ogrzewacz-przeplywowy-wody-dhe-182124-sli-comfort-stiebel-eltron-182124-kw.jpg

elektroniczny-ogrzewacz-przeplywowy-wody-dhe-182124-sli-comfort-stiebel-eltron-182124-kw.jpg

370 ms

piec-akumulacyjny-dynamiczny-ets-200-plus-stiebel-eltron-2-kw.jpg

piec-akumulacyjny-dynamiczny-ets-200-plus-stiebel-eltron-2-kw.jpg

410 ms

peo-182124-elektroniczny-przeplywowy-ogrzewacz-wody-stiebel-eltron-182124-kw.jpg

peo-182124-elektroniczny-przeplywowy-ogrzewacz-wody-stiebel-eltron-182124-kw.jpg

486 ms

major-ekw-6-aszn-elektryczny-kociol-wodny-elterm-6kw-230400v.jpg

major-ekw-6-aszn-elektryczny-kociol-wodny-elterm-6kw-230400v.jpg

488 ms

konwektor-cns-150-s-stiebel-eltron-15-kw.jpg

konwektor-cns-150-s-stiebel-eltron-15-kw.jpg

489 ms

ces-5000-grzejnik-lazienkowy.jpg

ces-5000-grzejnik-lazienkowy.jpg

490 ms

konwektor-cns-250-s-stiebel-eltron-25-kw.jpg

konwektor-cns-250-s-stiebel-eltron-25-kw.jpg

526 ms

footer-bg1.gif

footer-bg1.gif

603 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

643 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

23 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

30 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

44 ms

all.js

all.js

32 ms

price-container-bg.png

price-container-bg.png

358 ms

all.js

all.js

5 ms

Accessibility Review

dobregrzejniki.pl accessibility score

54

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

dobregrzejniki.pl best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

dobregrzejniki.pl SEO score

100

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

    PL

  • Encoding

    UTF-8

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

dobregrzejniki.pl

Open Graph description is not detected on the main page of Dobre Grzejniki. 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: