Access nicom.cz. Počítačové a fotografické kurzy, školení a semináře pro veřejnost i firmy, Praha, Brno, Ostrava ...

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value1,150 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

nicom.cz

521 ms

www.nicom.cz

1101 ms

9cf3eae5e642a202811919d005ae71e5.js

468 ms

api.js

51 ms

normalize.css

285 ms

Our browser made a total of 112 requests to load all elements on the main page. We found that 66% of them (74 requests) were addressed to the original Nicom.cz, 7% (8 requests) were made to App.livechatoo.com and 4% (4 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Nicom.cz.

Content Size

2.6 MB

After Optimization

1.7 MB

In fact, the total size of Nicom.cz main page is 2.6 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 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 134.2 kB

Original 153.9 kB
After minification 106.3 kB
After compression 19.7 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 47.6 kB, which is 31% 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 134.2 kB or 87% of the original size.

Image Optimization

-23%

Potential reduce by 359.8 kB

Original 1.5 MB
After minification 1.2 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, Nicom needs image optimization as it can save up to 359.8 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-32%

Potential reduce by 225.8 kB

Original 713.1 kB
After minification 643.3 kB
After compression 487.3 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 225.8 kB or 32% of the original size.

CSS Optimization

-87%

Potential reduce by 199.9 kB

Original 230.7 kB
After minification 156.8 kB
After compression 30.8 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. Nicom.cz needs all CSS files to be minified and compressed as it can save up to 199.9 kB or 87% of the original size.

Requests Now

107

After Optimization

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nicom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 14 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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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

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 Nicom.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 Nicom.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

nicom.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Počítačové a fotografické kurzy, školení a semináře pro veřejnost i firmy, Praha, Brno, Ostrava ...

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)

Network Requests Diagram

nicom.cz

www.nicom.cz

9cf3eae5e642a202811919d005ae71e5.js

api.js

normalize.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

nicom.cz

www.nicom.cz

9cf3eae5e642a202811919d005ae71e5.js

api.js

normalize.css

default_border.css

css

icon

default.css

styly.css

styl_card.css

test.css

lo2.js

logg7.js

jquery-1.10.2.min.js

jquery-ui.js

modernizr-custom.js

flip.css

flip.js

skripty.js

efekty.js

procesy.js

app.js

jquery.scrollTo.js

idangerous.swiper.css

idangerous.swiper-2.4.1.js

prettyPhoto.css

jquery.prettyPhoto.js

remodal.css

remodal-default-theme.css

remodal.min.js

js

js

js

js

rc.js

platform.js

recaptcha__en.js

4iCs6KVjbNBYlgoKcQ7z.ttf

4iCv6KVjbNBYlgoCxCvjvmyI.ttf

bundle.js

logo.jpg

basket.png