Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

sedacky.cz

OKAY.cz – Elektro a Nábytek - 30 let nízkých cen

Page Load Speed

5.8 sec in total

First Response

2.1 sec

Resources Loaded

3.5 sec

Page Rendered

225 ms

sedacky.cz screenshot

About Website

Visit sedacky.cz now to see the best up-to-date Sedacky content and also check out these interesting facts you probably never knew about sedacky.cz

ELEKTRO a NÁBYTEK ✓ Široký výběr skladem ✓ Expresní doprava domů ✓ 65 prodejen a výdejen po celé ČR ✓ Velkoobchodní ceny

Visit sedacky.cz

Key Findings

We analyzed Sedacky.cz page load time and found that the first response time was 2.1 sec and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

sedacky.cz performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

11/100

25%

SI (Speed Index)

Value15.5 s

0/100

10%

TBT (Total Blocking Time)

Value12,010 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value28.2 s

0/100

10%

Network Requests Diagram

www.okay.cz

2117 ms

styles.scss.css

36 ms

jquery.min.js

58 ms

vue3.min.js

54 ms

vendors.js

75 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Sedacky.cz, 12% (6 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Cdn.judge.me. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Okay.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (51%)

Content Size

3.5 MB

After Optimization

1.7 MB

In fact, the total size of Sedacky.cz main page is 3.5 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. HTML takes 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 1.8 MB

  • Original 2.0 MB
  • After minification 1.9 MB
  • After compression 220.9 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 1.8 MB or 89% of the original size.

Image Optimization

-3%

Potential reduce by 37.7 kB

  • Original 1.1 MB
  • After minification 1.0 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. Sedacky images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 691 B

  • Original 382.8 kB
  • After minification 382.8 kB
  • After compression 382.1 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

-1%

Potential reduce by 398 B

  • Original 79.3 kB
  • After minification 79.3 kB
  • After compression 78.9 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. Sedacky.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 33 (77%)

Requests Now

43

After Optimization

10

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sedacky. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sedacky.cz accessibility score

74

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sedacky.cz best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

sedacky.cz SEO score

84

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

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

High

Tap targets are not sized appropriately

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 Sedacky.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 Sedacky.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 Sedacky. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: