Tools & Wizards About Us
seokniha.cz screenshot

Report Summary

  • 76

    Performance

    Renders faster than
    84% 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

seokniha.cz

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

Page Load Speed

5 sec in total

First Response

1.3 sec

Resources Loaded

3.5 sec

Page Rendered

260 ms

seokniha.cz screenshot

About Website

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

Key Findings

We analyzed Seokniha.cz page load time and found that the first response time was 1.3 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

seokniha.cz performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

79/100

25%

SI (Speed Index)

Value3.6 s

86/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.314

37/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

seokniha.cz

1256 ms

www.seokniha.cz

635 ms

screen.css

182 ms

mdcr.js

332 ms

background.jpg

166 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that all of those requests were addressed to Seokniha.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Seokniha.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.9 kB (29%)

Content Size

95.8 kB

After Optimization

68.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Seokniha.cz main page is 95.8 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 75.5 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 12.4 kB

  • Original 17.1 kB
  • After minification 17.0 kB
  • After compression 4.8 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. 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 12.4 kB or 72% of the original size.

Image Optimization

-18%

Potential reduce by 13.3 kB

  • Original 75.5 kB
  • After minification 62.2 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, Seo Kniha needs image optimization as it can save up to 13.3 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-75%

Potential reduce by 495 B

  • Original 661 B
  • After minification 232 B
  • After compression 166 B

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 495 B or 75% of the original size.

CSS Optimization

-69%

Potential reduce by 1.8 kB

  • Original 2.5 kB
  • After minification 2.0 kB
  • After compression 794 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. Seokniha.cz needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 69% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seo Kniha. According to our analytics all requests are already optimized.

Network Requests Diagram

seokniha.cz

seokniha.cz

1256 ms

www.seokniha.cz

www.seokniha.cz

635 ms

screen.css

screen.css

182 ms

mdcr.js

mdcr.js

332 ms

background.jpg

background.jpg

166 ms

banner.jpg

banner.jpg

464 ms

seo-kniha-kubicek.jpg

seo-kniha-kubicek.jpg

1073 ms

print.css

print.css

167 ms

Accessibility Review

seokniha.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

seokniha.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

seokniha.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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Seokniha.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 English language. Our system also found out that Seokniha.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

seokniha.cz

Open Graph description is not detected on the main page of Seo Kniha. 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: