Access juryko.cz. iDalekohledy.cz - nejlepší výběr sportovní optiky

Report Summary

About Website

Welcome to juryko.cz homepage info - get ready to check Juryko best content right away, or after learning these important things about juryko.cz

Obchod na dalekohledy, puškohledy, noční vidění, teleskopy, mikroskopy a termovize. Více než 10 leté zkušenosti s optikou. Rady od zkušených profesionálů.

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name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value540 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

juryko.cz

395 ms

idalekohledy.cz

1835 ms

woff2.d0ac6335e21d55f6b920dae7998f8eba7ad07f15.css

285 ms

icons.36b980f26bdf4522.svg

385 ms

app.b73e41277919615edc20.css

479 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Juryko.cz, 63% (24 requests) were made to Idalekohledy.cz and 8% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Idalekohledy.cz.

Content Size

2.9 MB

After Optimization

2.5 MB

In fact, the total size of Juryko.cz main page is 2.9 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 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 351.3 kB

Original 551.8 kB
After minification 483.8 kB
After compression 200.6 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. This page needs HTML code to be minified as it can gain 68.1 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 351.3 kB or 64% of the original size.

Image Optimization

-1%

Potential reduce by 14.0 kB

Original 1.8 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. Juryko images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 32.0 kB

Original 300.3 kB
After minification 300.3 kB
After compression 268.3 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 32.0 kB or 11% of the original size.

CSS Optimization

-0%

Potential reduce by 182 B

Original 234.6 kB
After minification 234.6 kB
After compression 234.4 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. Juryko.cz has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Juryko. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts 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.

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

Page has valid source maps

Search Engine Optimization Advices

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 Juryko.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 Juryko.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

juryko.cz

Open Graph data is detected on the main page of Juryko. 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

iDalekohledy.cz - nejlepší výběr sportovní optiky

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)