Tools & Wizards About Us
publi.cz screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

publi.cz

ePubli webová knihovna

Page Load Speed

3.5 sec in total

First Response

305 ms

Resources Loaded

2.4 sec

Page Rendered

763 ms

publi.cz screenshot

About Website

Visit publi.cz now to see the best up-to-date Publi content for Czech Republic and also check out these interesting facts you probably never knew about publi.cz

Systém pro tvorbu a čtení elektronických publikací. Tvorba, publikování a prodej interaktivních publikací.

Visit publi.cz

Key Findings

We analyzed Publi.cz page load time and found that the first response time was 305 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

publi.cz performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value1,880 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value22.7 s

1/100

10%

Network Requests Diagram

publi.cz

305 ms

publi.cz

671 ms

gtm.js

64 ms

nprogress.min.css

97 ms

bootstrap4.3.1.min.css

194 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 88% of them (45 requests) were addressed to the original Publi.cz, 8% (4 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Publi.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 302.5 kB (14%)

Content Size

2.2 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Publi.cz main page is 2.2 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. 50% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 48.2 kB

  • Original 60.7 kB
  • After minification 56.6 kB
  • After compression 12.4 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 48.2 kB or 79% of the original size.

Image Optimization

-11%

Potential reduce by 226.0 kB

  • Original 2.0 MB
  • After minification 1.8 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. Obviously, Publi needs image optimization as it can save up to 226.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-15%

Potential reduce by 13.1 kB

  • Original 85.9 kB
  • After minification 85.9 kB
  • After compression 72.7 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 13.1 kB or 15% of the original size.

CSS Optimization

-28%

Potential reduce by 15.2 kB

  • Original 54.1 kB
  • After minification 54.1 kB
  • After compression 38.9 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. Publi.cz needs all CSS files to be minified and compressed as it can save up to 15.2 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (18%)

Requests Now

45

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Publi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

publi.cz

publi.cz

305 ms

publi.cz

publi.cz

671 ms

gtm.js

gtm.js

64 ms

nprogress.min.css

nprogress.min.css

97 ms

bootstrap4.3.1.min.css

bootstrap4.3.1.min.css

194 ms

css2

css2

43 ms

custom.css

custom.css

374 ms

publi_logo.svg

publi_logo.svg

284 ms

treeview.min.js

treeview.min.js

287 ms

web.js

web.js

493 ms

icon_kategorie.svg

icon_kategorie.svg

116 ms

icon_hledat.svg

icon_hledat.svg

104 ms

erase.png

erase.png

103 ms

app_store_ios.svg

app_store_ios.svg

118 ms

app_store_macos.svg

app_store_macos.svg

116 ms

google_play.svg

google_play.svg

184 ms

microsoft.svg

microsoft.svg

186 ms

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00017-05057-jdg2e%402x.png

203 ms

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00017-05441-oanqs%402x.png

205 ms

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00001-05393-vridv%402x.png

513 ms

ribbon_paid.png

ribbon_paid.png

207 ms

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00001-05054-i8xr4%402x.png

585 ms

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00001-05084-6g0fd%402x.png

573 ms

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00001-01180-ehutu%402x.png

590 ms

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00001-01183-6visl%402x.png

416 ms

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00001-03797-ia6w9%402x.png

634 ms

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00001-05252-l9ccd%402x.png

627 ms

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00001-05222-3oh7v%402x.png

727 ms

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00078-04772-eosuu%402x.png

868 ms

00001-02520-odme3%402x.png

00001-02520-odme3%402x.png

700 ms

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00017-04640-u2fvq%402x.png

700 ms

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00023-04778-9moh2%402x.png

741 ms

00001-04718-it75a%402x.png

00001-04718-it75a%402x.png

754 ms

00001-04802-sqwhu%402x.png

00001-04802-sqwhu%402x.png

814 ms

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00001-04865-esf2x%402x.png

811 ms

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00001-04793-lp6pb%402x.png

944 ms

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855 ms

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874 ms

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923 ms

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00001-04685-ya0jv%402x.png

926 ms

00001-04127-7k1qh%402x.png

00001-04127-7k1qh%402x.png

969 ms

00001-04154-enge1%402x.png

00001-04154-enge1%402x.png

977 ms

instagram_footer.svg

instagram_footer.svg

980 ms

facebook_footer.svg

facebook_footer.svg

1015 ms

linkedin_footer.svg

linkedin_footer.svg

974 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew-.ttf

23 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-.ttf

31 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w-.ttf

42 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM70w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM70w-.ttf

50 ms

publi_eu_logo.svg

publi_eu_logo.svg

946 ms

modreLogoPubli.svg

modreLogoPubli.svg

965 ms

Accessibility Review

publi.cz accessibility score

78

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

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.

Best Practices

publi.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

publi.cz SEO score

85

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 Publi.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 Publi.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

publi.cz

Open Graph data is detected on the main page of Publi. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: