Tools & Wizards About Us
derwi.pl screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

derwi.pl

Sprzedaż Reklama Obsługa klienta

Page Load Speed

3.7 sec in total

First Response

460 ms

Resources Loaded

3 sec

Page Rendered

253 ms

derwi.pl screenshot

About Website

Click here to check amazing Derwi content. Otherwise, check out these important facts you probably never knew about derwi.pl

Specjalnością Derwi jest Sprzedaż, Reklama i Obsługa klienta

Visit derwi.pl

Key Findings

We analyzed Derwi.pl page load time and found that the first response time was 460 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

derwi.pl performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value3.3 s

90/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

derwi.pl

460 ms

www.derwi.pl

671 ms

main.css

116 ms

main_michalw.css

228 ms

mootools-core-1.4.5.js

594 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 88% of them (45 requests) were addressed to the original Derwi.pl, 4% (2 requests) were made to Google-analytics.com and 4% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Derwi.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 434.4 kB (30%)

Content Size

1.4 MB

After Optimization

996.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Derwi.pl main page is 1.4 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. 45% of websites need less resources to load. Images take 953.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 29.5 kB

  • Original 37.6 kB
  • After minification 30.8 kB
  • After compression 8.1 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 6.8 kB, which is 18% 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 29.5 kB or 78% of the original size.

Image Optimization

-7%

Potential reduce by 67.4 kB

  • Original 953.2 kB
  • After minification 885.8 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. Derwi images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 311.3 kB

  • Original 408.3 kB
  • After minification 308.7 kB
  • After compression 97.0 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 311.3 kB or 76% of the original size.

CSS Optimization

-82%

Potential reduce by 26.2 kB

  • Original 31.9 kB
  • After minification 23.6 kB
  • After compression 5.7 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. Derwi.pl needs all CSS files to be minified and compressed as it can save up to 26.2 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (44%)

Requests Now

45

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Derwi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

derwi.pl

derwi.pl

460 ms

www.derwi.pl

www.derwi.pl

671 ms

main.css

main.css

116 ms

main_michalw.css

main_michalw.css

228 ms

mootools-core-1.4.5.js

mootools-core-1.4.5.js

594 ms

mootools-more-1.4.0.1.js

mootools-more-1.4.0.1.js

622 ms

Cookiepolicy.js

Cookiepolicy.js

365 ms

bg.gif

bg.gif

114 ms

restauracja_kos_13.jpg

restauracja_kos_13.jpg

604 ms

_3.jpg

_3.jpg

878 ms

_9.jpg

_9.jpg

593 ms

_6.jpg

_6.jpg

838 ms

_4.jpg

_4.jpg

953 ms

_5.jpg

_5.jpg

1001 ms

_8.jpg

_8.jpg

1143 ms

bron_mysliwska_34_1.jpg

bron_mysliwska_34_1.jpg

723 ms

bron_mysliwska_34.jpg

bron_mysliwska_34.jpg

841 ms

hotel_koscierzyna_20_1.jpg

hotel_koscierzyna_20_1.jpg

1071 ms

hotel_koscierzyna_20.jpg

hotel_koscierzyna_20.jpg

1074 ms

drzwi_wewnetrzne_drewniane_8_1.jpg

drzwi_wewnetrzne_drewniane_8_1.jpg

990 ms

drzwi_wewnetrzne_drewniane_8.jpg

drzwi_wewnetrzne_drewniane_8.jpg

1184 ms

maknitt_tur_sp_z_o_o_polwysep_lipa_30_1.jpg

maknitt_tur_sp_z_o_o_polwysep_lipa_30_1.jpg

1102 ms

maknitt_tur_sp_z_o_o_polwysep_lipa_30.jpg

maknitt_tur_sp_z_o_o_polwysep_lipa_30.jpg

1234 ms

all.js

all.js

47 ms

left-separator.gif

left-separator.gif

746 ms

newsletter-bg.gif

newsletter-bg.gif

749 ms

slider-nav-bg.gif

slider-nav-bg.gif

770 ms

slider-left.gif

slider-left.gif

811 ms

slider-right.gif

slider-right.gif

860 ms

header-bg.gif

header-bg.gif

863 ms

offer-header-red.gif

offer-header-red.gif

866 ms

offer-header-orange.gif

offer-header-orange.gif

881 ms

offer-header-blue.gif

offer-header-blue.gif

909 ms

offer-header-green.gif

offer-header-green.gif

922 ms

clients-top-separator.gif

clients-top-separator.gif

977 ms

derwi.jpg

derwi.jpg

980 ms

logo.gif

logo.gif

983 ms

ga.js

ga.js

17 ms

cookiepolicy.css

cookiepolicy.css

989 ms

Amble-Regular-webfont.woff

Amble-Regular-webfont.woff

1010 ms

Amble-Bold-webfont.woff

Amble-Bold-webfont.woff

1022 ms

Amble-LightCondensed-webfont.woff

Amble-LightCondensed-webfont.woff

1076 ms

Amble-LightItalic-webfont.woff

Amble-LightItalic-webfont.woff

1080 ms

__utm.gif

__utm.gif

30 ms

90 ms

slider-nav-separator.gif

slider-nav-separator.gif

1048 ms

xd_arbiter.php

xd_arbiter.php

44 ms

xd_arbiter.php

xd_arbiter.php

56 ms

cookieInfoBg.gif

cookieInfoBg.gif

114 ms

cookiePie.png

cookiePie.png

139 ms

cookieCloseBg.png

cookieCloseBg.png

139 ms

Accessibility Review

derwi.pl accessibility score

89

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.

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

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

derwi.pl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

derwi.pl SEO score

98

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

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 Derwi.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 Derwi.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

derwi.pl

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