Tools & Wizards About Us

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

top-koralky.cz

SWAROVSKI ELEMENTS - korálky, přívěsky, Rivoli - Top-koralky.cz

Page Load Speed

28.2 sec in total

First Response

1.9 sec

Resources Loaded

24.3 sec

Page Rendered

2 sec

About Website

Welcome to top-koralky.cz homepage info - get ready to check Top Koralky best content for Russia right away, or after learning these important things about top-koralky.cz

Nabízíme komponenty Swarovski Elements, jako jsou korálky Swarovski, přívěsky Swarovski, nalepovací Rivoli Swarovski, dále bižuterní komponenty a kovodíly. U nás naleznete návody na korálky a inspirac...

Visit top-koralky.cz

Key Findings

We analyzed Top-koralky.cz page load time and found that the first response time was 1.9 sec and then it took 26.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

top-koralky.cz performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value1,850 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

Network Requests Diagram

www.top-koralky.cz

1895 ms

jquery-ui-1.8.14.custom.css

115 ms

swiper.min.css

229 ms

core.css

335 ms

style.css

343 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 88% of them (80 requests) were addressed to the original Top-koralky.cz, 3% (3 requests) were made to Gstatic.com and 2% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (9%)

Content Size

19.0 MB

After Optimization

17.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Top-koralky.cz main page is 19.0 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. 65% of websites need less resources to load. Images take 18.7 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 92.3 kB

  • Original 116.6 kB
  • After minification 108.9 kB
  • After compression 24.3 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 92.3 kB or 79% of the original size.

Image Optimization

-8%

Potential reduce by 1.5 MB

  • Original 18.7 MB
  • After minification 17.1 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. Top Koralky images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 987 B

  • Original 214.6 kB
  • After minification 214.6 kB
  • After compression 213.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-14%

Potential reduce by 6.7 kB

  • Original 48.1 kB
  • After minification 48.1 kB
  • After compression 41.4 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. Top-koralky.cz needs all CSS files to be minified and compressed as it can save up to 6.7 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (31%)

Requests Now

87

After Optimization

60

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Top Koralky. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

top-koralky.cz accessibility score

75

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

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

High

<html> element does not have a valid value for its [lang] attribute.

Best Practices

top-koralky.cz best practices score

58

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

top-koralky.cz SEO score

69

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

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CZ

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Top-koralky.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed language. Our system also found out that Top-koralky.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 description is not detected on the main page of Top Koralky. 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: