Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

zboziobchod.blog.cz

Zprávy a události z domova i ze světa | TN.cz

Page Load Speed

5.8 sec in total

First Response

1.6 sec

Resources Loaded

3.6 sec

Page Rendered

560 ms

zboziobchod.blog.cz screenshot

About Website

Visit zboziobchod.blog.cz now to see the best up-to-date Zboziobchod Blog content for United States and also check out these interesting facts you probably never knew about zboziobchod.blog.cz

Aktuální zpravodajství z České republiky, regionů a ze světa. Video reportáže, články a rozhovory z online redakce Televizních novin TV Nova.

Visit zboziobchod.blog.cz

Key Findings

We analyzed Zboziobchod.blog.cz page load time and found that the first response time was 1.6 sec and then it took 4.1 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

zboziobchod.blog.cz performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value31.4 s

0/100

25%

SI (Speed Index)

Value18.5 s

0/100

10%

TBT (Total Blocking Time)

Value6,050 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value41.9 s

0/100

10%

Network Requests Diagram

zboziobchod.blog.cz

1636 ms

common.packed.css

302 ms

style.css

249 ms

breakingnews.packed.css

205 ms

translation.js

277 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Zboziobchod.blog.cz, 21% (18 requests) were made to Bs.jxs.cz and 13% (11 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Zboziobchod.blog.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 286.7 kB (35%)

Content Size

813.2 kB

After Optimization

526.5 kB

In fact, the total size of Zboziobchod.blog.cz main page is 813.2 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. 45% of websites need less resources to load. Images take 404.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 61.2 kB

  • Original 74.8 kB
  • After minification 71.1 kB
  • After compression 13.7 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. 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 61.2 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 12.1 kB

  • Original 404.9 kB
  • After minification 392.8 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. Zboziobchod Blog images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 196.6 kB

  • Original 310.3 kB
  • After minification 309.0 kB
  • After compression 113.7 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 196.6 kB or 63% of the original size.

CSS Optimization

-73%

Potential reduce by 16.9 kB

  • Original 23.2 kB
  • After minification 23.2 kB
  • After compression 6.3 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. Zboziobchod.blog.cz needs all CSS files to be minified and compressed as it can save up to 16.9 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (54%)

Requests Now

83

After Optimization

38

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zboziobchod Blog. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zboziobchod.blog.cz accessibility score

72

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

zboziobchod.blog.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

Uses deprecated APIs

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

zboziobchod.blog.cz SEO score

83

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 Zboziobchod.blog.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 Zboziobchod.blog.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 Zboziobchod Blog. 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: