Tools & Wizards About Us
blackvinylbazar.cz screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

blackvinylbazar.cz

Gramofonové desky, vinyly, gramofony, gramodesky | BLACK VINYL BAZAR Brno

Page Load Speed

6 sec in total

First Response

1.8 sec

Resources Loaded

3.9 sec

Page Rendered

320 ms

blackvinylbazar.cz screenshot

About Website

Visit blackvinylbazar.cz now to see the best up-to-date BLACK VINYL BAZAR content for Czech Republic and also check out these interesting facts you probably never knew about blackvinylbazar.cz

Gramofonové vinylové desky, gramofony, gramodesky, prodej BLACK VINYL BAZAR Brno

Visit blackvinylbazar.cz

Key Findings

We analyzed Blackvinylbazar.cz page load time and found that the first response time was 1.8 sec and then it took 4.2 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

blackvinylbazar.cz performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value6.2 s

42/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

www.blackvinylbazar.cz

1769 ms

styl-www3.css

657 ms

mp3-player-button.css

428 ms

jquery.min.js

1024 ms

jquery-ui.min.js

1150 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 92% of them (34 requests) were addressed to the original Blackvinylbazar.cz, 5% (2 requests) were made to Ssl.google-analytics.com and 3% (1 request) were made to . The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Blackvinylbazar.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 476.8 kB (24%)

Content Size

2.0 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blackvinylbazar.cz main page is 2.0 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. 35% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 55.1 kB

  • Original 77.0 kB
  • After minification 74.4 kB
  • After compression 21.9 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 55.1 kB or 72% of the original size.

Image Optimization

-9%

Potential reduce by 143.4 kB

  • Original 1.5 MB
  • After minification 1.4 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. BLACK VINYL BAZAR images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 228.4 kB

  • Original 326.3 kB
  • After minification 313.3 kB
  • After compression 97.9 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 228.4 kB or 70% of the original size.

CSS Optimization

-87%

Potential reduce by 49.8 kB

  • Original 57.0 kB
  • After minification 40.9 kB
  • After compression 7.1 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. Blackvinylbazar.cz needs all CSS files to be minified and compressed as it can save up to 49.8 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (11%)

Requests Now

35

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BLACK VINYL BAZAR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.blackvinylbazar.cz

www.blackvinylbazar.cz

1769 ms

styl-www3.css

styl-www3.css

657 ms

mp3-player-button.css

mp3-player-button.css

428 ms

jquery.min.js

jquery.min.js

1024 ms

jquery-ui.min.js

jquery-ui.min.js

1150 ms

colorbox.css

colorbox.css

671 ms

jquery.colorbox.js

jquery.colorbox.js

743 ms

detekce.js

detekce.js

691 ms

9k=

9k=

5 ms

pozadibv5.jpg

pozadibv5.jpg

564 ms

img_3342--f97626.jpg

img_3342--f97626.jpg

210 ms

blackkos2.png

blackkos2.png

106 ms

img_3332--f97620.jpg

img_3332--f97620.jpg

118 ms

1--f97613.jpg

1--f97613.jpg

303 ms

1--f97608.jpg

1--f97608.jpg

190 ms

img_3393--f97602.jpg

img_3393--f97602.jpg

303 ms

1--f97595.jpg

1--f97595.jpg

215 ms

img_3348--f97588.jpg

img_3348--f97588.jpg

378 ms

img_3338--f97584.jpg

img_3338--f97584.jpg

307 ms

1--f97579.jpg

1--f97579.jpg

313 ms

1--f97573.jpg

1--f97573.jpg

399 ms

img_3390--f97570.jpg

img_3390--f97570.jpg

502 ms

img_3387--f97567.jpg

img_3387--f97567.jpg

405 ms

dp-1000ffb--f37269.jpg

dp-1000ffb--f37269.jpg

601 ms

imager.php

imager.php

764 ms

imager.php

imager.php

497 ms

keramika1.jpg

keramika1.jpg

502 ms

imager.php

imager.php

1176 ms

pocitadlo_pristupu.php

pocitadlo_pristupu.php

661 ms

topvinyl5.png

topvinyl5.png

659 ms

blackvin-lin.png

blackvin-lin.png

657 ms

leftvinyl10.png

leftvinyl10.png

793 ms

fullblackpozad.png

fullblackpozad.png

722 ms

pruhled.gif

pruhled.gif

726 ms

paticka-vinyl1.png

paticka-vinyl1.png

718 ms

ga.js

ga.js

20 ms

__utm.gif

__utm.gif

11 ms

Accessibility Review

blackvinylbazar.cz accessibility score

48

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

blackvinylbazar.cz 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

blackvinylbazar.cz SEO score

62

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackvinylbazar.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Blackvinylbazar.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

blackvinylbazar.cz

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