Tools & Wizards About Us

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

mergado.cz

Management e‑commerce dat na jednom místě

Page Load Speed

5.1 sec in total

First Response

402 ms

Resources Loaded

3.6 sec

Page Rendered

1 sec

About Website

Click here to check amazing Mergado content for Czech Republic. Otherwise, check out these important facts you probably never knew about mergado.cz

Navyšte tržby e-shopu z Heureky, Zboží.cz, Favi, Glami, Biano či Google Nákupů/Google Merchants. Proveďte Mergado audit a doveďte feed k dokonalosti.

Visit mergado.cz

Key Findings

We analyzed Mergado.cz page load time and found that the first response time was 402 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

mergado.cz performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

48/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value2,490 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

Network Requests Diagram

mergado.cz

402 ms

mergado.cz

428 ms

www.mergado.cz

779 ms

script.outbound-links.js

683 ms

css_qDgCM64YoM9mtVWPc5RIJ-tusDTtgeTKRlezfudFdQc.css

329 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 98% of them (85 requests) were addressed to the original Mergado.cz, 1% (1 request) were made to Pl.profitak.com and 1% (1 request) were made to . The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Mergado.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 533.6 kB (14%)

Content Size

3.8 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mergado.cz main page is 3.8 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. 40% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 212.4 kB

  • Original 272.0 kB
  • After minification 222.6 kB
  • After compression 59.7 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 49.4 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 212.4 kB or 78% of the original size.

Image Optimization

-8%

Potential reduce by 288.7 kB

  • Original 3.5 MB
  • After minification 3.2 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. Mergado images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 1.1 kB

  • Original 69.1 kB
  • After minification 69.1 kB
  • After compression 68.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-93%

Potential reduce by 31.4 kB

  • Original 33.6 kB
  • After minification 2.4 kB
  • After compression 2.2 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. Mergado.cz needs all CSS files to be minified and compressed as it can save up to 31.4 kB or 93% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (6%)

Requests Now

83

After Optimization

78

  • Images
  • JavaScript
  • CSS

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mergado. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

mergado.cz accessibility score

96

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.

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

mergado.cz best practices score

92

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

Page has valid source maps

SEO Factors

mergado.cz SEO score

93

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

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

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mergado.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Mergado.cz 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 Mergado. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: