Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

data.com.pl

Data Auto - Sklep motoryzacyjny, warsztat samochodowy - Tychy

Page Load Speed

18.2 sec in total

First Response

8.2 sec

Resources Loaded

9.8 sec

Page Rendered

196 ms

data.com.pl screenshot

About Website

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

Szeroki wybór auto części i akcesoriów do samochodów wszystkich marek. Hurtownia motoryzacyjna Data Auto w Tychach. Partner sieci ProfiAuto.

Visit data.com.pl

Key Findings

We analyzed Data.com.pl page load time and found that the first response time was 8.2 sec and then it took 10 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

data.com.pl performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.282

43/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

data.com.pl

8245 ms

285eed2-3e4c991.css

339 ms

e2686ef-0a56282.js

582 ms

css

25 ms

global.js

481 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 30% of them (10 requests) were addressed to the original Data.com.pl, 12% (4 requests) were made to Profiauto.silnet.pl and 12% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (8.2 sec) belongs to the original domain Data.com.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 579.3 kB (59%)

Content Size

977.1 kB

After Optimization

397.8 kB

In fact, the total size of Data.com.pl main page is 977.1 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. 20% of websites need less resources to load. Javascripts take 642.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 23.3 kB

  • Original 28.5 kB
  • After minification 27.6 kB
  • After compression 5.2 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. 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 23.3 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 6.9 kB

  • Original 206.0 kB
  • After minification 199.1 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. Data Com images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 466.0 kB

  • Original 642.6 kB
  • After minification 642.6 kB
  • After compression 176.6 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 466.0 kB or 73% of the original size.

CSS Optimization

-83%

Potential reduce by 83.1 kB

  • Original 100.0 kB
  • After minification 97.9 kB
  • After compression 16.9 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. Data.com.pl needs all CSS files to be minified and compressed as it can save up to 83.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (47%)

Requests Now

30

After Optimization

16

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Data 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 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

data.com.pl accessibility score

63

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

Form elements do not have associated labels

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

data.com.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

data.com.pl SEO score

76

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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 doesn't use 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 Data.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 Data.com.pl main page’s claimed encoding is utf-8". Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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