Tools & Wizards About Us
dvg.pl screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

dvg.pl

DVG Sp. z o.o. | Producent stolarki ognioodpornej, drzwi, okien ppoż

Page Load Speed

6.6 sec in total

First Response

1.6 sec

Resources Loaded

4.5 sec

Page Rendered

495 ms

dvg.pl screenshot

About Website

Visit dvg.pl now to see the best up-to-date DVG content for Poland and also check out these interesting facts you probably never knew about dvg.pl

DVG zajmuje się produkcją wysokiej klasy stolarki ognioodpornej, jak drzwi i okna przeciwpożarowe i dymoszczelne. Nasze produkty spełniają europejskie normy.

Visit dvg.pl

Key Findings

We analyzed Dvg.pl page load time and found that the first response time was 1.6 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

dvg.pl performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value590 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

dvg.pl

1584 ms

js

83 ms

wp-emoji-release.min.js

346 ms

layerslider.css

345 ms

styles.css

343 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 81% of them (70 requests) were addressed to the original Dvg.pl, 14% (12 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Dvg.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 147.8 kB (4%)

Content Size

3.5 MB

After Optimization

3.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dvg.pl main page is 3.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 91.5 kB

  • Original 113.8 kB
  • After minification 112.0 kB
  • After compression 22.2 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 91.5 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 33.7 kB

  • Original 3.0 MB
  • After minification 3.0 MB

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. DVG images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 10.8 kB

  • Original 311.2 kB
  • After minification 311.2 kB
  • After compression 300.4 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

-13%

Potential reduce by 11.8 kB

  • Original 91.3 kB
  • After minification 91.1 kB
  • After compression 79.5 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. Dvg.pl needs all CSS files to be minified and compressed as it can save up to 11.8 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (52%)

Requests Now

71

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DVG. 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 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dvg.pl

dvg.pl

1584 ms

js

js

83 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

346 ms

layerslider.css

layerslider.css

345 ms

styles.css

styles.css

343 ms

settings.css

settings.css

365 ms

public.css

public.css

360 ms

style.css

style.css

456 ms

base.css

base.css

460 ms

layout.css

layout.css

576 ms

shortcodes.css

shortcodes.css

608 ms

animations.min.css

animations.min.css

487 ms

jquery.ui.all.css

jquery.ui.all.css

571 ms

jplayer.blue.monday.css

jplayer.blue.monday.css

574 ms

responsive.css

responsive.css

615 ms

css

css

33 ms

css

css

48 ms

greensock.js

greensock.js

768 ms

jquery.js

jquery.js

803 ms

jquery-migrate.min.js

jquery-migrate.min.js

688 ms

layerslider.kreaturamedia.jquery.js

layerslider.kreaturamedia.jquery.js

814 ms

layerslider.transitions.js

layerslider.transitions.js

729 ms

jquery.themepunch.tools.min.js

jquery.themepunch.tools.min.js

858 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

813 ms

css

css

19 ms

scripts.js

scripts.js

319 ms

public.js

public.js

362 ms

core.min.js

core.min.js

439 ms

widget.min.js

widget.min.js

440 ms

mouse.min.js

mouse.min.js

441 ms

sortable.min.js

sortable.min.js

453 ms

tabs.min.js

tabs.min.js

454 ms

accordion.min.js

accordion.min.js

472 ms

plugins.js

plugins.js

623 ms

menu.js

menu.js

513 ms

animations.min.js

animations.min.js

513 ms

jplayer.min.js

jplayer.min.js

564 ms

translate3d.js

translate3d.js

568 ms

scripts.js

scripts.js

592 ms

wp-embed.min.js

wp-embed.min.js

622 ms

logodvg.jpg

logodvg.jpg

335 ms

slide1.jpg

slide1.jpg

922 ms

home_developer3_slider_slide1_pic2.png

home_developer3_slider_slide1_pic2.png

343 ms

home_developer3_sectionbg1.png

home_developer3_sectionbg1.png

346 ms

f1.jpg

f1.jpg

717 ms

home_developer3_pic4.png

home_developer3_pic4.png

377 ms

home_developer3_sectionbg2.png

home_developer3_sectionbg2.png

377 ms

home.jpg

home.jpg

926 ms

f3.jpg

f3.jpg

684 ms

home_developer3_sectionbg3.jpg

home_developer3_sectionbg3.jpg

492 ms

home_developer3_pic5.png

home_developer3_pic5.png

491 ms

home_developer3_pic6.png

home_developer3_pic6.png

606 ms

home_developer3_pic7.png

home_developer3_pic7.png

607 ms

realizacje.jpg

realizacje.jpg

1164 ms

r-150x67.jpg

r-150x67.jpg

720 ms

stac-150x67.png

stac-150x67.png

799 ms

profine-150x67.png

profine-150x67.png

831 ms

albatros-aluminium-150x67.png

albatros-aluminium-150x67.png

835 ms

master-150x67.png

master-150x67.png

915 ms

konig-stahl-150x67.png

konig-stahl-150x67.png

947 ms

roto-150x67.png

roto-150x67.png

950 ms

veka-150x67.png

veka-150x67.png

1028 ms

assa-abloy-150x67.png

assa-abloy-150x67.png

954 ms

renson-150x67.png

renson-150x67.png

970 ms

geze-150x67.png

geze-150x67.png

986 ms

0QI6MX1D_JOuGQbT0gvTJPa787weuxJBkqg.ttf

0QI6MX1D_JOuGQbT0gvTJPa787weuxJBkqg.ttf

26 ms

0QI6MX1D_JOuGQbT0gvTJPa787wsuxJBkqg.ttf

0QI6MX1D_JOuGQbT0gvTJPa787wsuxJBkqg.ttf

31 ms

0QI6MX1D_JOuGQbT0gvTJPa787z5vBJBkqg.ttf

0QI6MX1D_JOuGQbT0gvTJPa787z5vBJBkqg.ttf

29 ms

7Aulp_0qiz-aVz7u3PJLcUMYOFnOkEk30e0.ttf

7Aulp_0qiz-aVz7u3PJLcUMYOFnOkEk30e0.ttf

30 ms

7Aulp_0qiz-aVz7u3PJLcUMYOFn8kEk30e0.ttf

7Aulp_0qiz-aVz7u3PJLcUMYOFn8kEk30e0.ttf

31 ms

7Aulp_0qiz-aVz7u3PJLcUMYOFmQkEk30e0.ttf

7Aulp_0qiz-aVz7u3PJLcUMYOFmQkEk30e0.ttf

31 ms

7Aulp_0qiz-aVz7u3PJLcUMYOFkpl0k30e0.ttf

7Aulp_0qiz-aVz7u3PJLcUMYOFkpl0k30e0.ttf

46 ms

7Aulp_0qiz-aVz7u3PJLcUMYOFlOl0k30e0.ttf

7Aulp_0qiz-aVz7u3PJLcUMYOFlOl0k30e0.ttf

47 ms

0QI8MX1D_JOuMw_hLdO6T2wV9KnW-C0Coq92mQ.ttf

0QI8MX1D_JOuMw_hLdO6T2wV9KnW-C0Coq92mQ.ttf

47 ms

0QI8MX1D_JOuMw_hLdO6T2wV9KnW-MoFoq92mQ.ttf

0QI8MX1D_JOuMw_hLdO6T2wV9KnW-MoFoq92mQ.ttf

47 ms

mfn-icons.woff

mfn-icons.woff

1088 ms

7Aujp_0qiz-afTfcIyoiGtm2P0wG05Fz4eqVxg.ttf

7Aujp_0qiz-afTfcIyoiGtm2P0wG05Fz4eqVxg.ttf

47 ms

7Aujp_0qiz-afTfcIyoiGtm2P0wG03Z04eqVxg.ttf

7Aujp_0qiz-afTfcIyoiGtm2P0wG03Z04eqVxg.ttf

47 ms

spufont.woff

spufont.woff

1059 ms

morad-150x67.png

morad-150x67.png

1042 ms

salamander-150x67.jpg

salamander-150x67.jpg

1058 ms

sapa-150x67.png

sapa-150x67.png

1032 ms

maco-150x67.png

maco-150x67.png

1109 ms

DVG_czystepowietrze_FB_-1024x1024.jpg

DVG_czystepowietrze_FB_-1024x1024.jpg

1083 ms

revolution.extension.slideanims.min.js

revolution.extension.slideanims.min.js

965 ms

revolution.extension.actions.min.js

revolution.extension.actions.min.js

976 ms

Accessibility Review

dvg.pl accessibility score

69

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

dvg.pl best practices score

83

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

SEO Factors

dvg.pl SEO score

91

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

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dvg.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 Dvg.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

dvg.pl

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