Tools & Wizards About Us
derkowski.comweb.pl screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

derkowski.comweb.pl

DERKOWSKI budowa domów, usługi budowlane, remonty, rozbiórki, wykopy - Gdynia, Wejherowo, Gdańsk, pomorskie

Page Load Speed

4.7 sec in total

First Response

435 ms

Resources Loaded

3.9 sec

Page Rendered

334 ms

derkowski.comweb.pl screenshot

About Website

Click here to check amazing DERKOWSKI Comweb content for Poland. Otherwise, check out these important facts you probably never knew about derkowski.comweb.pl

Firma budowlana woj. pomorskie tel. 502674603 Budowa domów jednorodzinnych, budowa domów wg projektu klienta. Usługi budowlane, usługi remontowo budowlane,

Visit derkowski.comweb.pl

Key Findings

We analyzed Derkowski.comweb.pl page load time and found that the first response time was 435 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

derkowski.comweb.pl performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.7 s

46/100

10%

Network Requests Diagram

derkowski.comweb.pl

435 ms

www.derkowski.comweb.pl

774 ms

normalize.css

117 ms

style.css

236 ms

prettyPhoto.css

325 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that all of those requests were addressed to Derkowski.comweb.pl and no external sources were called. The less responsive or slowest element that took the longest time to load (888 ms) belongs to the original domain Derkowski.comweb.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 170.4 kB (9%)

Content Size

1.9 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Derkowski.comweb.pl main page is 1.9 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. 40% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 26.1 kB

  • Original 32.1 kB
  • After minification 26.0 kB
  • After compression 6.1 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 6.1 kB, which is 19% 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 26.1 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 121.1 kB

  • Original 1.8 MB
  • After minification 1.6 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. DERKOWSKI Comweb images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 16.7 kB

  • Original 129.1 kB
  • After minification 129.1 kB
  • After compression 112.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 16.7 kB or 13% of the original size.

CSS Optimization

-29%

Potential reduce by 6.5 kB

  • Original 22.2 kB
  • After minification 22.2 kB
  • After compression 15.7 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. Derkowski.comweb.pl needs all CSS files to be minified and compressed as it can save up to 6.5 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (56%)

Requests Now

72

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DERKOWSKI Comweb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

derkowski.comweb.pl

derkowski.comweb.pl

435 ms

www.derkowski.comweb.pl

www.derkowski.comweb.pl

774 ms

normalize.css

normalize.css

117 ms

style.css

style.css

236 ms

prettyPhoto.css

prettyPhoto.css

325 ms

grid.css

grid.css

331 ms

nggallery.css

nggallery.css

337 ms

shutter-reloaded.css

shutter-reloaded.css

336 ms

styles.css

styles.css

377 ms

pagenavi-css.css

pagenavi-css.css

348 ms

jquery-1.6.4.min.js

jquery-1.6.4.min.js

545 ms

modernizr.js

modernizr.js

437 ms

superfish.js

superfish.js

446 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

446 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

463 ms

jquery.faded.js

jquery.faded.js

494 ms

jquery.tools.min.js

jquery.tools.min.js

574 ms

jquery.loader.js

jquery.loader.js

575 ms

cufon-yui.js

cufon-yui.js

575 ms

Aller_400.font.js

Aller_400.font.js

580 ms

MgOpen_Moderna_400.font.js

MgOpen_Moderna_400.font.js

606 ms

cufon-replace.js

cufon-replace.js

650 ms

swfobject.js

swfobject.js

657 ms

jquery.cycle.all.js

jquery.cycle.all.js

668 ms

jquery.twitter.js

jquery.twitter.js

668 ms

jquery.flickrush.js

jquery.flickrush.js

694 ms

audio.js

audio.js

716 ms

custom.js

custom.js

757 ms

shutter-reloaded.js

shutter-reloaded.js

767 ms

jquery.cycle.all.min.js

jquery.cycle.all.min.js

779 ms

ngg.slideshow.min.js

ngg.slideshow.min.js

778 ms

comment-reply.js

comment-reply.js

808 ms

whcookies.js

whcookies.js

834 ms

jquery.form.js

jquery.form.js

887 ms

scripts.js

scripts.js

888 ms

body.jpg

body.jpg

621 ms

main.jpg

main.jpg

788 ms

logo-derkowski2.png

logo-derkowski2.png

222 ms

search-input.png

search-input.png

111 ms

search-submit.png

search-submit.png

114 ms

menu.png

menu.png

126 ms

menu-divider.png

menu-divider.png

135 ms

menu-act.png

menu-act.png

222 ms

menu-line.png

menu-line.png

228 ms

slider-shadow.png

slider-shadow.png

233 ms

budowadomow.jpg

budowadomow.jpg

220 ms

uslugi_budowlane.jpg

uslugi_budowlane.jpg

221 ms

uslugibudowlane.jpg

uslugibudowlane.jpg

217 ms

praceziemne.jpg

praceziemne.jpg

223 ms

budowadomow-76x76.jpg

budowadomow-76x76.jpg

224 ms

arrow.gif

arrow.gif

246 ms

uslugi_budowlane-76x76.jpg

uslugi_budowlane-76x76.jpg

323 ms

uslugibudowlane-76x76.jpg

uslugibudowlane-76x76.jpg

324 ms

praceziemne-76x76.jpg

praceziemne-76x76.jpg

325 ms

content.jpg

content.jpg

440 ms

content-tail.jpg

content-tail.jpg

569 ms

primary-content-line.gif

primary-content-line.gif

338 ms

line-hor.png

line-hor.png

352 ms

link.png

link.png

446 ms

magazyn-handlopex-219x178.jpg

magazyn-handlopex-219x178.jpg

326 ms

title-bg.png

title-bg.png

465 ms

magazyn-kosakowo-219x178.jpg

magazyn-kosakowo-219x178.jpg

330 ms

elewacja-bat-219x178.jpg

elewacja-bat-219x178.jpg

332 ms

od-czego-zaczac1-219x178.jpg

od-czego-zaczac1-219x178.jpg

429 ms

tail.png

tail.png

549 ms

z-czego-budowac1-219x178.jpg

z-czego-budowac1-219x178.jpg

429 ms

materialy-budowlane-219x178.jpg

materialy-budowlane-219x178.jpg

429 ms

systemy-ocieplen-219x178.jpg

systemy-ocieplen-219x178.jpg

435 ms

footer.jpg

footer.jpg

739 ms

footer-line.gif

footer-line.gif

517 ms

feed.png

feed.png

588 ms

myspace.png

myspace.png

574 ms

linkedin.png

linkedin.png

591 ms

facebook.png

facebook.png

610 ms

uslugibudowlane.jpg

uslugibudowlane.jpg

671 ms

budowadomow.jpg

budowadomow.jpg

704 ms

logo-derkowski2.png

logo-derkowski2.png

700 ms

uslugi_budowlane.jpg

uslugi_budowlane.jpg

639 ms

praceziemne.jpg

praceziemne.jpg

883 ms

budowadomow-76x76.jpg

budowadomow-76x76.jpg

673 ms

uslugi_budowlane-76x76.jpg

uslugi_budowlane-76x76.jpg

651 ms

uslugibudowlane-76x76.jpg

uslugibudowlane-76x76.jpg

674 ms

praceziemne-76x76.jpg

praceziemne-76x76.jpg

683 ms

magazyn-handlopex-219x178.jpg

magazyn-handlopex-219x178.jpg

708 ms

magazyn-kosakowo-219x178.jpg

magazyn-kosakowo-219x178.jpg

708 ms

elewacja-bat-219x178.jpg

elewacja-bat-219x178.jpg

757 ms

od-czego-zaczac1-219x178.jpg

od-czego-zaczac1-219x178.jpg

679 ms

z-czego-budowac1-219x178.jpg

z-czego-budowac1-219x178.jpg

689 ms

materialy-budowlane-219x178.jpg

materialy-budowlane-219x178.jpg

725 ms

systemy-ocieplen-219x178.jpg

systemy-ocieplen-219x178.jpg

722 ms

Accessibility Review

derkowski.comweb.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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

derkowski.comweb.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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

derkowski.comweb.pl SEO score

79

Search Engine Optimization Advices

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 Derkowski.comweb.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 Derkowski.comweb.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

derkowski.comweb.pl

Open Graph description is not detected on the main page of DERKOWSKI Comweb. 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: