Tools & Wizards About Us
retroobchod.cz screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

retroobchod.cz

Rum, whisky, gin, vodka a jiné nápoje

Page Load Speed

6.3 sec in total

First Response

128 ms

Resources Loaded

5.1 sec

Page Rendered

1.1 sec

retroobchod.cz screenshot

About Website

Click here to check amazing Retroobchod content. Otherwise, check out these important facts you probably never knew about retroobchod.cz

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Visit retroobchod.cz

Key Findings

We analyzed Retroobchod.cz page load time and found that the first response time was 128 ms and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

retroobchod.cz performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.6 s

82/100

10%

Network Requests Diagram

retroobchod.cz

128 ms

www.retroobchod.cz

365 ms

bootstrap.min.css

601 ms

styles.css

328 ms

jquery.slim.min.js

1040 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 94% of them (60 requests) were addressed to the original Retroobchod.cz, 6% (4 requests) were made to Zcdn.cz. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Retroobchod.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 59.8 kB (9%)

Content Size

647.2 kB

After Optimization

587.4 kB

  • HTML
  • Images

In fact, the total size of Retroobchod.cz main page is 647.2 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. Images take 610.9 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 30.2 kB

  • Original 36.3 kB
  • After minification 36.3 kB
  • After compression 6.1 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 30.2 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 29.7 kB

  • Original 610.9 kB
  • After minification 581.2 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. Retroobchod images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 3 (5%)

Requests Now

62

After Optimization

59

  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Retroobchod. 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

retroobchod.cz

retroobchod.cz

128 ms

www.retroobchod.cz

www.retroobchod.cz

365 ms

bootstrap.min.css

bootstrap.min.css

601 ms

styles.css

styles.css

328 ms

jquery.slim.min.js

jquery.slim.min.js

1040 ms

popper.min.js

popper.min.js

658 ms

bootstrap.min.js

bootstrap.min.js

640 ms

scripts.js

scripts.js

363 ms

logo1.png

logo1.png

349 ms

r001.jpg

r001.jpg

352 ms

r005.jpg

r005.jpg

371 ms

r002.jpg

r002.jpg

353 ms

r004.jpg

r004.jpg

670 ms

r003.jpg

r003.jpg

696 ms

r006.jpg

r006.jpg

676 ms

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zrqmvwwr-b.jpeg

782 ms

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vpzmwyor-b.jpeg

691 ms

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705 ms

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1099 ms

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1008 ms

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1148 ms

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1118 ms

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1141 ms

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1206 ms

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1431 ms

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1524 ms

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1577 ms

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1476 ms

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1576 ms

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1528 ms

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1755 ms

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1813 ms

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1947 ms

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1956 ms

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2010 ms

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mpnqkozr-b.jpeg

1998 ms

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mpkolnlp-b.jpeg

2183 ms

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2160 ms

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2373 ms

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ormvxwkp-b.jpeg

2292 ms

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xrxwmznp-b.jpeg

2331 ms

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zrqmvxwr-b.jpeg

2441 ms

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xrxwlqmp-b.jpeg

2270 ms

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xpxwmvnr-b.jpeg

2311 ms

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lrwnxqlp-b.jpeg

2373 ms

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orlkwxkp-b.jpeg

2308 ms

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kryvmoyp-b.jpeg

2475 ms

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2405 ms

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kryvmqyp-b.jpeg

2364 ms

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2435 ms

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2396 ms

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2362 ms

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mpkomwmp-b.jpeg

2187 ms

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mrnqkzzp-b.jpeg

2478 ms

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vrzmzlkp-b.jpeg

2309 ms

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mpnqklzr-b.jpeg

2288 ms

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mpnqnvor-b.jpeg

2400 ms

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wrvzkqqr-b.jpeg

2368 ms

kryvlnop-b.jpeg

kryvlnop-b.jpeg

2311 ms

lpwnxwlr-b.jpeg

lpwnxwlr-b.jpeg

2482 ms

zpqmwkyp-b.jpeg

zpqmwkyp-b.jpeg

2310 ms

mrkomymr-b.jpeg

mrkomymr-b.jpeg

2234 ms

wrvzylqr-b.jpeg

wrvzylqr-b.jpeg

2280 ms

rr.jpg

rr.jpg

2654 ms

Accessibility Review

retroobchod.cz accessibility score

97

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.

Best Practices

retroobchod.cz 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

retroobchod.cz 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

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Retroobchod.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 Retroobchod.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

retroobchod.cz

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