Tools & Wizards About Us
otozlewy.pl screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

otozlewy.pl

Zlewozmywaki granitowe, zlewy kuchnne - OtoZlewy.pl

Page Load Speed

6.1 sec in total

First Response

1.1 sec

Resources Loaded

3.2 sec

Page Rendered

1.9 sec

otozlewy.pl screenshot

About Website

Welcome to otozlewy.pl homepage info - get ready to check Oto Zlewy best content for Poland right away, or after learning these important things about otozlewy.pl

Sklep internetowy renomowanego producenta Lavello oferuje zlewy kuchenne wykonane z kamienia. Oferujemy baterie oraz zlewozmywaki granitowe jedno lub dwukomorowe

Visit otozlewy.pl

Key Findings

We analyzed Otozlewy.pl page load time and found that the first response time was 1.1 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

otozlewy.pl performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value13.5 s

2/100

10%

TBT (Total Blocking Time)

Value4,900 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.142

78/100

15%

TTI (Time to Interactive)

Value23.8 s

1/100

10%

Network Requests Diagram

otozlewy.pl

1073 ms

NzM6Mjk0OjUuMjQuMzA.css

213 ms

main.js

196 ms

fastdom.min.js

319 ms

main.93ba21cbd61cf8454aa1.min.js

856 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 33% of them (14 requests) were addressed to the original Otozlewy.pl, 17% (7 requests) were made to Fonts.gstatic.com and 10% (4 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Otozlewy.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 322.7 kB (41%)

Content Size

794.7 kB

After Optimization

471.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Otozlewy.pl main page is 794.7 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. 65% of websites need less resources to load. HTML takes 329.6 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 299.4 kB

  • Original 329.6 kB
  • After minification 205.8 kB
  • After compression 30.2 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. This page needs HTML code to be minified as it can gain 123.8 kB, which is 38% 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 299.4 kB or 91% of the original size.

Image Optimization

-11%

Potential reduce by 10.4 kB

  • Original 97.5 kB
  • After minification 87.1 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. Obviously, Oto Zlewy needs image optimization as it can save up to 10.4 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 11.8 kB

  • Original 316.7 kB
  • After minification 316.7 kB
  • After compression 304.9 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

-2%

Potential reduce by 1.1 kB

  • Original 50.8 kB
  • After minification 50.7 kB
  • After compression 49.7 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. Otozlewy.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (69%)

Requests Now

32

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oto Zlewy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

otozlewy.pl

otozlewy.pl

1073 ms

NzM6Mjk0OjUuMjQuMzA.css

NzM6Mjk0OjUuMjQuMzA.css

213 ms

main.js

main.js

196 ms

fastdom.min.js

fastdom.min.js

319 ms

main.93ba21cbd61cf8454aa1.min.js

main.93ba21cbd61cf8454aa1.min.js

856 ms

pl_PL.js

pl_PL.js

422 ms

user.js

user.js

427 ms

icon-font.min.css

icon-font.min.css

429 ms

front-api-1.4.0.min.js

front-api-1.4.0.min.js

609 ms

swiper-bundle.min.css

swiper-bundle.min.css

24 ms

swiper-bundle.min.js

swiper-bundle.min.js

23 ms

front-api-1.2.0.min.js

front-api-1.2.0.min.js

734 ms

conversion.js

conversion.js

91 ms

lazy-youtube-pl.js

lazy-youtube-pl.js

550 ms

uc.js

uc.js

41 ms

slick.min.js

slick.min.js

2 ms

css2

css2

34 ms

fbevents.js

fbevents.js

121 ms

gtm.js

gtm.js

167 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

154 ms

logo_otozlewy_transparent_200x45.svg

logo_otozlewy_transparent_200x45.svg

151 ms

1px.gif

1px.gif

150 ms

1px.gif

1px.gif

150 ms

samples_banner_1920x200_white.png

samples_banner_1920x200_white.png

336 ms

placeholder.png

placeholder.png

152 ms

small_qube_logo_square.png

small_qube_logo_square.png

150 ms

75 ms

sprite.png

sprite.png

135 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4G1ilntA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4G1ilntA.ttf

62 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GiClntA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GiClntA.ttf

96 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GVilntA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GVilntA.ttf

107 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GCC5ntA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GCC5ntA.ttf

132 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GMS5ntA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GMS5ntA.ttf

133 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GVi5ntA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GVi5ntA.ttf

133 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4Gfy5ntA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4Gfy5ntA.ttf

133 ms

Linearicons-Free.ttf

Linearicons-Free.ttf

195 ms

tcc_widget.js

tcc_widget.js

607 ms

sw.js

sw.js

619 ms

loader.js

loader.js

162 ms

jz0300uryt

jz0300uryt

99 ms

75 ms

clarity.js

clarity.js

33 ms

Accessibility Review

otozlewy.pl accessibility score

86

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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

otozlewy.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

otozlewy.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 Otozlewy.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 Otozlewy.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

otozlewy.pl

Open Graph description is not detected on the main page of Oto Zlewy. 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: