Report Summary

  • 73

    Performance

    Renders faster than
    83% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

cena.com.pl

Ceny samochodów | Ogłoszenia | Auta na sprzedaż - cena.com.pl

Page Load Speed

33.9 sec in total

First Response

15.3 sec

Resources Loaded

18.5 sec

Page Rendered

107 ms

cena.com.pl screenshot

About Website

Welcome to cena.com.pl homepage info - get ready to check Ce Na Com best content right away, or after learning these important things about cena.com.pl

Chcesz sprawdzić w jakich cenach są obecnie samochody? Sprawdź ceny modeli na - cena.com.pl. Popularne marki, bogata oferta, opisy i dane techniczne aut. Znajdź model dla siebie!

Visit cena.com.pl

Key Findings

We analyzed Cena.com.pl page load time and found that the first response time was 15.3 sec and then it took 18.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

cena.com.pl performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

cena.com.pl

15265 ms

cena.com.pl

696 ms

newlook.css

351 ms

jquery.multiSelect.css

354 ms

jquery.tooltip.css

352 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Cena.com.pl, 83% (43 requests) were made to Static.aftermarket.pl and 4% (2 requests) were made to Aftermarket.pl. The less responsive or slowest element that took the longest time to load (15.3 sec) belongs to the original domain Cena.com.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 562.8 kB (75%)

Content Size

755.4 kB

After Optimization

192.6 kB

In fact, the total size of Cena.com.pl main page is 755.4 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. 30% of websites need less resources to load. Javascripts take 624.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 36.2 kB

  • Original 46.8 kB
  • After minification 42.5 kB
  • After compression 10.5 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 36.2 kB or 77% of the original size.

Image Optimization

-61%

Potential reduce by 15.6 kB

  • Original 25.5 kB
  • After minification 9.8 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. Obviously, Ce Na Com needs image optimization as it can save up to 15.6 kB or 61% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 463.1 kB

  • Original 624.2 kB
  • After minification 576.1 kB
  • After compression 161.2 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 463.1 kB or 74% of the original size.

CSS Optimization

-81%

Potential reduce by 47.8 kB

  • Original 58.9 kB
  • After minification 46.5 kB
  • After compression 11.1 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. Cena.com.pl needs all CSS files to be minified and compressed as it can save up to 47.8 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (76%)

Requests Now

50

After Optimization

12

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ce Na Com. 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 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cena.com.pl accessibility score

92

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.

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

cena.com.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

cena.com.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 Cena.com.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 Cena.com.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

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