Access ideajs.cz. Jazyková škola IDEA | Angličtina, němčina, ruština..

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value6.4 s

41/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.4 s

38/100

10%

ideajs.cz

296 ms

ideajs.cz

535 ms

css

34 ms

bootstrap.min.css

216 ms

all.min.css

398 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 95% of them (60 requests) were addressed to the original Ideajs.cz, 2% (1 request) were made to Fonts.googleapis.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Ideajs.cz.

Content Size

2.6 MB

After Optimization

2.3 MB

In fact, the total size of Ideajs.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. 50% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 83.1 kB

Original 93.0 kB
After minification 58.9 kB
After compression 9.8 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. This page needs HTML code to be minified as it can gain 34.0 kB, which is 37% 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 83.1 kB or 89% of the original size.

Image Optimization

-7%

Potential reduce by 140.3 kB

Original 1.9 MB
After minification 1.7 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. IDEA Js images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 75.9 kB

Original 505.0 kB
After minification 505.0 kB
After compression 429.0 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 75.9 kB or 15% of the original size.

CSS Optimization

-6%

Potential reduce by 10.4 kB

Original 165.8 kB
After minification 165.8 kB
After compression 155.4 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. Ideajs.cz has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IDEA Js. 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 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

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

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

Language and Encoding

Language Detected

CS
Language Claimed

ZX
Encoding

UTF-8

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

ideajs.cz

Open Graph description is not detected on the main page of IDEA Js. 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

Jazyková škola IDEA | Angličtina, němčina, ruština..

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

ideajs.cz

ideajs.cz

css

bootstrap.min.css

all.min.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

ideajs.cz

ideajs.cz

css

bootstrap.min.css

all.min.css

animate.compat.css

simple-line-icons.min.css

owl.carousel.min.css

owl.theme.default.min.css

magnific-popup.min.css

theme.css

theme-elements.css

theme-blog.css

theme-shop.css

demo-it-services.css

skin-it-services.css

modernizr.min.js

lightbox.min.css

jquery.min.js

lightbox-plus-jquery.min.js

jquery.min.js

jquery.appear.min.js

jquery.easing.min.js

jquery.cookie.min.js

bootstrap.bundle.min.js

jquery.validate.min.js

jquery.easypiechart.min.js

jquery.gmap.min.js

lazysizes.min.js

jquery.isotope.min.js

owl.carousel.min.js

jquery.magnific-popup.min.js

jquery.vide.min.js

vivus.min.js

theme.js

view.contact.js

demo-medical.js

theme.init.js

orgsu-bootstrap.js

examples.lightboxes.js

ajax.js

logo_idea.png

bg-full.jpg