Tools & Wizards About Us

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

zpetnyodkaz.cz

Michal Kubíček: ebook 50 způsobů jak získat zpětný odkaz - e-kniha k prodeji

Page Load Speed

2.4 sec in total

First Response

417 ms

Resources Loaded

1.7 sec

Page Rendered

199 ms

About Website

Welcome to zpetnyodkaz.cz homepage info - get ready to check Zpetny Odkaz best content for Czech Republic right away, or after learning these important things about zpetnyodkaz.cz

Existuje minimálně 50 různých způsobů, jak pro vaše webové stránky získat zpětný odkaz. Michal Kubíček, autor dvou úspěšných knih o SEO je všechny přehledně shromáždil do své nové knihy.

Visit zpetnyodkaz.cz

Key Findings

We analyzed Zpetnyodkaz.cz page load time and found that the first response time was 417 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

zpetnyodkaz.cz performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value5.3 s

57/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.137

79/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

zpetnyodkaz.cz

417 ms

www.zpetnyodkaz.cz

677 ms

css

32 ms

styly.css

113 ms

like.php

108 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 60% of them (9 requests) were addressed to the original Zpetnyodkaz.cz, 13% (2 requests) were made to Static.xx.fbcdn.net and 13% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (677 ms) belongs to the original domain Zpetnyodkaz.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 220.6 kB (42%)

Content Size

523.5 kB

After Optimization

302.9 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Zpetnyodkaz.cz main page is 523.5 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. Only 10% of websites need less resources to load. Images take 516.1 kB which makes up the majority of the site volume.

HTML Optimization

-58%

Potential reduce by 3.9 kB

  • Original 6.6 kB
  • After minification 5.7 kB
  • After compression 2.8 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. This page needs HTML code to be minified as it can gain 886 B, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 3.9 kB or 58% of the original size.

Image Optimization

-42%

Potential reduce by 216.6 kB

  • Original 516.1 kB
  • After minification 299.5 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. Obviously, Zpetny Odkaz needs image optimization as it can save up to 216.6 kB or 42% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-11%

Potential reduce by 84 B

  • Original 740 B
  • After minification 740 B
  • After compression 656 B

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. Zpetnyodkaz.cz needs all CSS files to be minified and compressed as it can save up to 84 B or 11% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zpetny Odkaz. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

zpetnyodkaz.cz accessibility score

59

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

<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

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

Best Practices

zpetnyodkaz.cz best practices score

75

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

SEO Factors

zpetnyodkaz.cz SEO score

67

Search Engine Optimization Advices

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 Zpetnyodkaz.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 Zpetnyodkaz.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 Zpetny Odkaz. 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: