Tools & Wizards About Us
cobi.pl screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

cobi.pl

Klocki konstrukcyjne COBI i zabawki - Sklep Cobi.pl

Page Load Speed

15.7 sec in total

First Response

263 ms

Resources Loaded

13.5 sec

Page Rendered

2 sec

cobi.pl screenshot

About Website

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

COBI.pl - sklep z zabawkami dla dzieci. Największy producent klocków w Polsce. W bogatej ofercie znajdziecie zabawki dla dzieci w każdym przedziale wiekowym, klocki, lalki i wiele więcej.

Visit cobi.pl

Key Findings

We analyzed Cobi.pl page load time and found that the first response time was 263 ms and then it took 15.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

cobi.pl performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

Network Requests Diagram

cobi.pl

263 ms

cobi.pl

1700 ms

gtm.js

62 ms

uc.js

25 ms

app.css

839 ms

Our browser made a total of 180 requests to load all elements on the main page. We found that 99% of them (178 requests) were addressed to the original Cobi.pl, 1% (1 request) were made to Googletagmanager.com and 1% (1 request) were made to Consent.cookiebot.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Cobi.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (15%)

Content Size

7.3 MB

After Optimization

6.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cobi.pl main page is 7.3 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. 65% of websites need less resources to load. Images take 6.0 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 332.5 kB

  • Original 356.9 kB
  • After minification 227.3 kB
  • After compression 24.3 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 129.6 kB, which is 36% 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 332.5 kB or 93% of the original size.

Image Optimization

-2%

Potential reduce by 132.1 kB

  • Original 6.0 MB
  • After minification 5.9 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. COBI images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 471.2 kB

  • Original 677.5 kB
  • After minification 677.5 kB
  • After compression 206.2 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 471.2 kB or 70% of the original size.

CSS Optimization

-84%

Potential reduce by 179.9 kB

  • Original 213.2 kB
  • After minification 212.3 kB
  • After compression 33.3 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. Cobi.pl needs all CSS files to be minified and compressed as it can save up to 179.9 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (21%)

Requests Now

178

After Optimization

140

  • Images
  • JavaScript
  • CSS

The browser has sent 178 CSS, Javascripts, AJAX and image requests in order to completely render the main page of COBI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cobi.pl

cobi.pl

263 ms

cobi.pl

cobi.pl

1700 ms

gtm.js

gtm.js

62 ms

uc.js

uc.js

25 ms

app.css

app.css

839 ms

icons.css

icons.css

361 ms

app.js

app.js

127 ms

vue.js

vue.js

721 ms

heart.svg

heart.svg

122 ms

user.svg

user.svg

123 ms

shopping-bag.svg

shopping-bag.svg

243 ms

pl.png

pl.png

242 ms

chevron-down.svg

chevron-down.svg

361 ms

chevron-up.svg

chevron-up.svg

363 ms

logo.png

logo.png

655 ms

Historical-collection-World-War-II.webp

Historical-collection-World-War-II.webp

541 ms

Historical-collection-Great-War.webp

Historical-collection-Great-War.webp

588 ms

Historical-collection-Cold-War.webp

Historical-collection-Cold-War.webp

610 ms

Historical-collection-Vietnam-War.webp

Historical-collection-Vietnam-War.webp

660 ms

Logo-Historical-collection-Korean-War-cmyk-300dpi.webp

Logo-Historical-collection-Korean-War-cmyk-300dpi.webp

659 ms

trains.webp

trains.webp

838 ms

RMS-Titanic.webp

RMS-Titanic.webp

925 ms

HC_Concorde.webp

HC_Concorde.webp

948 ms

HC_NASA.webp

HC_NASA.webp

953 ms

breloki_3.webp

breloki_3.webp

963 ms

logo.webp

logo.webp

958 ms

Limited-edition.webp

Limited-edition.webp

1133 ms

Executive-edition.webp

Executive-edition.webp

1226 ms

Armed_Forces_tanks.webp

Armed_Forces_tanks.webp

1248 ms

Armed_Forces_planes.webp

Armed_Forces_planes.webp

1253 ms

Armed_Forces_helicopters.webp

Armed_Forces_helicopters.webp

1255 ms

Jeep-logo-230x130px.webp

Jeep-logo-230x130px.webp

1257 ms

COH3-Dark_M.webp

COH3-Dark_M.webp

1429 ms

top-gun.webp

top-gun.webp

1525 ms

opel_automobile-logo.webp

opel_automobile-logo.webp

1550 ms

Skoda_2.webp

Skoda_2.webp

1552 ms

Citroen-Logo-500-new.webp

Citroen-Logo-500-new.webp

1549 ms

Northrop_Grumman_logo_blue.webp

Northrop_Grumman_logo_blue.webp

1551 ms

Lockheed-Martin-Logo-new.webp

Lockheed-Martin-Logo-new.webp

1727 ms

Sikorsky_Aircraft_Logo.webp

Sikorsky_Aircraft_Logo.webp

1846 ms

Boeing_200.webp

Boeing_200.webp

1852 ms

maserati.webp

maserati.webp

1875 ms

Cessna-logo-230x130px.webp

Cessna-logo-230x130px.webp

1807 ms

Lancia-logo-230x130px.webp

Lancia-logo-230x130px.webp

1732 ms

Alfa%20Romeo-logo-230x130px.webp

Alfa%20Romeo-logo-230x130px.webp

3549 ms

Abarth.webp

Abarth.webp

3426 ms

Citroen.webp

Citroen.webp

3497 ms

Youngtimer_Collection.webp

Youngtimer_Collection.webp

3508 ms

Cobi-Cars-scale-1-12.webp

Cobi-Cars-scale-1-12.webp

3463 ms

Podstawowe.webp

Podstawowe.webp

3474 ms

Akcesoria_ogolne.webp

Akcesoria_ogolne.webp

3456 ms

Czesci_zamienne_wojskowe.webp

Czesci_zamienne_wojskowe.webp

3397 ms

Czesci_do_samolotow.webp

Czesci_do_samolotow.webp

3436 ms

Nano_samoloty.webp

Nano_samoloty.webp

3428 ms

Plytki.webp

Plytki.webp

3480 ms

Okna_dachy.webp

Okna_dachy.webp

3480 ms

Bronie.webp

Bronie.webp

3516 ms

Helmy_nakrycia_glowy.webp

Helmy_nakrycia_glowy.webp

3378 ms

Glowy_i_tulowia_figurek.webp

Glowy_i_tulowia_figurek.webp

3406 ms

Skaly_i_rosliny.webp

Skaly_i_rosliny.webp

4050 ms

Opny_i_felgi.webp

Opny_i_felgi.webp

4064 ms

cobi-logo-new.webp

cobi-logo-new.webp

4141 ms

Abarth.png

Abarth.png

3958 ms

Armed-Forces.png

Armed-Forces.png

3986 ms

Boeing_200.png

Boeing_200.png

3858 ms

Cessna-logo-230x130px.png

Cessna-logo-230x130px.png

4101 ms

Citroen.png

Citroen.png

4129 ms

COH3-Dark_M.png

COH3-Dark_M.png

4165 ms

HC_Concorde.png

HC_Concorde.png

3985 ms

HC_1.48.png

HC_1.48.png

3890 ms

HC_Tanks.png

HC_Tanks.png

3987 ms

Armed_Forces_tanks.png

Armed_Forces_tanks.png

4179 ms

d-day_400x334.png

d-day_400x334.png

4155 ms

HC_Artillery.png

HC_Artillery.png

4223 ms

Limited-edition.png

Limited-edition.png

4045 ms

Executive-edition.png

Executive-edition.png

3906 ms

HC_figures.png

HC_figures.png

3997 ms

Fingerlings.png

Fingerlings.png

4161 ms

Cobi-Game.png

Cobi-Game.png

4182 ms

Armed_Forces_helicopters.png

Armed_Forces_helicopters.png

4182 ms

Jeep-logo-230x130px.png

Jeep-logo-230x130px.png

2455 ms

klocki_na_sztuki.png

klocki_na_sztuki.png

2411 ms

top_gun_maverick.png

top_gun_maverick.png

2460 ms

LLP.png

LLP.png

2544 ms

Lockheed-Martin-Logo-new.png

Lockheed-Martin-Logo-new.png

2518 ms

maserati.png

maserati.png

2526 ms

HC_NASA.png

HC_NASA.png

2401 ms

Northrop_Grumman_logo_blue.png

Northrop_Grumman_logo_blue.png

2428 ms

HC_Battleships.png

HC_Battleships.png

2460 ms

opel_automobile-logo.png

opel_automobile-logo.png

2535 ms

trains_kat.png

trains_kat.png

2514 ms

youngtimer.png

youngtimer.png

2579 ms

Cobi-Cars-scale-1-12.png

Cobi-Cars-scale-1-12.png

2400 ms

HC_Planes.png

HC_Planes.png

2381 ms

Armed_Forces_planes.png

Armed_Forces_planes.png

2464 ms

Skoda_2.png

Skoda_2.png

1914 ms

RMS-Titanic.png

RMS-Titanic.png

1926 ms

top-gun.png

top-gun.png

1916 ms

Logo-Historical-collection-Korean-War-cmyk-300dpi.png

Logo-Historical-collection-Korean-War-cmyk-300dpi.png

1917 ms

Historical-collection-Vietnam-War.png

Historical-collection-Vietnam-War.png

1924 ms

Historical-collection-Great-War.png

Historical-collection-Great-War.png

1910 ms

Historical-collection-World-War-II.png

Historical-collection-World-War-II.png

1865 ms

Youngtimer_Collection.png

Youngtimer_Collection.png

1865 ms

Historical-collection-Cold-War.png

Historical-collection-Cold-War.png

1905 ms

arrow-left-o.svg

arrow-left-o.svg

1726 ms

arrow-right-o.svg

arrow-right-o.svg

1729 ms

1920x650.jpg

1920x650.jpg

2247 ms

1920x650px-fingerlings2.jpg

1920x650px-fingerlings2.jpg

2093 ms

Baner-cobi-eu-1920x650px-v2.jpg

Baner-cobi-eu-1920x650px-v2.jpg

2200 ms

Opel-1920x650px.jpg

Opel-1920x650px.jpg

2244 ms

1920x650px--owieczka.jpg

1920x650px--owieczka.jpg

2140 ms

JEEP-Baner-cobi-eu-1920x650px.jpg

JEEP-Baner-cobi-eu-1920x650px.jpg

2203 ms

Armed-Forces-planes-1920x650px-v2.jpg

Armed-Forces-planes-1920x650px-v2.jpg

2242 ms

Armed-Forces-tanks-1920x650px.jpg

Armed-Forces-tanks-1920x650px.jpg

2214 ms

Armed-Forces-helikoptery-1920x650px.jpg

Armed-Forces-helikoptery-1920x650px.jpg

2305 ms

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2291 ms

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2207 ms

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2178 ms

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2198 ms

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2213 ms

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2244 ms

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2234 ms

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2256 ms

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2049 ms

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2012 ms

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2154 ms

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1988 ms

hear_fill.svg

hear_fill.svg

1945 ms

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2167 ms

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2587-Panzerkampfwagen%20VI%20Tiger%20I%20Ausf.E-scene-front.png

2164 ms

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2591-Panzerkampfwagen%20IV%20Ausf.H-scene-front.png

2127 ms

3112-Panzerkampfwagen%20VI%20Ausf.%20B%20K%C3%B6nigstiger-scene-front.png

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2026 ms

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1821 ms

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2061 ms

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2049 ms

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2149 ms

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2076 ms

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2111 ms

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2097 ms

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2149 ms

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2119 ms

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2161 ms

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1714 ms

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1750 ms

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1642 ms

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1876 ms

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1694 ms

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1830 ms

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1718 ms

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1630 ms

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1569 ms

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1494 ms

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1783 ms

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1765 ms

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1718 ms

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1665 ms

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1652 ms

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1675 ms

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1832 ms

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1903 ms

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1787 ms

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1795 ms

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1827 ms

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1732 ms

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1950 ms

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1844 ms

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1837 ms

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1842 ms

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1852 ms

boy.svg

boy.svg

1554 ms

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1850 ms

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1843 ms

email.svg

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1649 ms

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1606 ms

fb.svg

fb.svg

1652 ms

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1549 ms

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1600 ms

tiktok.svg

tiktok.svg

1495 ms

smartphone.svg

smartphone.svg

1528 ms

mail.svg

mail.svg

1490 ms

Accessibility Review

cobi.pl accessibility score

84

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

Best Practices

cobi.pl best practices score

83

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cobi.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 Cobi.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 Cobi.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

cobi.pl

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