Access iabc.cz. Zábava, příroda, věda a technika

Report Summary

About Website

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

Abicko.cz je každodenní průvodce světem zábavy, přírody, vědy a techniky. Je to web časopisu generace 21. století ABC. Zvídavému a tvořivému čtenáři nabízí zajímavé a poutavé aktuality, videa, tipy, k...

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name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value4,530 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value22.4 s

1/100

10%

www.abicko.cz

193 ms

cpex-cmp.min.js

152 ms

cnc-slot-sizes.min.css

33 ms

gpt.js

99 ms

22918_abicko.js

80 ms

Our browser made a total of 132 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Iabc.cz, 30% (40 requests) were made to 1884403144.rsc.cdn77.org and 12% (16 requests) were made to Img.cncenter.cz. The less responsive or slowest element that took the longest time to load (3.8 sec) relates to the external source 1884403144.rsc.cdn77.org.

Content Size

2.2 MB

After Optimization

1.7 MB

In fact, the total size of Iabc.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. 65% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 336.9 kB

Original 386.2 kB
After minification 338.7 kB
After compression 49.2 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 47.4 kB, which is 12% 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 336.9 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 6.0 kB

Original 1.0 MB
After minification 1.0 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. Iabc images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 122.9 kB

Original 670.6 kB
After minification 670.5 kB
After compression 547.6 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 122.9 kB or 18% of the original size.

CSS Optimization

-10%

Potential reduce by 12.8 kB

Original 124.2 kB
After minification 124.2 kB
After compression 111.4 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. Iabc.cz has all CSS files already compressed.

Requests Now

128

After Optimization

The browser has sent 128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iabc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

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 Iabc.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 Iabc.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

iabc.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Zábava, příroda, věda a technika | Ábíčko.cz

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)