Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

internet.billboard.cz

Internet BillBoard | Ad inventory and campaign management for publishers and advertisers

Page Load Speed

3.8 sec in total

First Response

695 ms

Resources Loaded

2.9 sec

Page Rendered

224 ms

internet.billboard.cz screenshot

About Website

Visit internet.billboard.cz now to see the best up-to-date Internet Bill Board content for Czech Republic and also check out these interesting facts you probably never knew about internet.billboard.cz

Maximization of advertising profits for publishers and purchase and management of ad campaigns on premium positions via the RTB for advertisers.

Visit internet.billboard.cz

Key Findings

We analyzed Internet.billboard.cz page load time and found that the first response time was 695 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

internet.billboard.cz performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.089

92/100

15%

TTI (Time to Interactive)

Value4.7 s

79/100

10%

Network Requests Diagram

internet.billboard.cz

695 ms

833 ms

global.css

422 ms

mediaqueries.css

326 ms

jquery-1.8.2.min.js

440 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Internet.billboard.cz, 53% (29 requests) were made to Ibillboard.com and 5% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (833 ms) relates to the external source Ibillboard.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 772.7 kB (69%)

Content Size

1.1 MB

After Optimization

349.1 kB

In fact, the total size of Internet.billboard.cz main page is 1.1 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. 65% of websites need less resources to load. Javascripts take 605.2 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 18.7 kB

  • Original 25.3 kB
  • After minification 24.4 kB
  • After compression 6.6 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 18.7 kB or 74% of the original size.

Image Optimization

-20%

Potential reduce by 16.8 kB

  • Original 85.2 kB
  • After minification 68.4 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, Internet Bill Board needs image optimization as it can save up to 16.8 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 392.1 kB

  • Original 605.2 kB
  • After minification 591.1 kB
  • After compression 213.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 392.1 kB or 65% of the original size.

CSS Optimization

-85%

Potential reduce by 345.1 kB

  • Original 406.0 kB
  • After minification 381.3 kB
  • After compression 60.9 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. Internet.billboard.cz needs all CSS files to be minified and compressed as it can save up to 345.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (55%)

Requests Now

49

After Optimization

22

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Internet Bill Board. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

internet.billboard.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

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

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

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

internet.billboard.cz best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

internet.billboard.cz SEO score

90

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

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

    EN

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Internet.billboard.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Czech language. Our system also found out that Internet.billboard.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 Internet Bill Board. 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: