Access kontaktnicockylevne.cz. Kontaktní čočky, sluneční brýle, okluzory

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value17.9 s

0/100

10%

TBT (Total Blocking Time)

Value21,110 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value29.9 s

0/100

10%

kontaktnicockylevne.cz

311 ms

www.kontaktnicockylevne.cz

1012 ms

webfont.js

72 ms

gtm.js

165 ms

frontend_master_main_cs_995948acb6d2bccc98fc1c9b9a025c26.css

738 ms

Our browser made a total of 116 requests to load all elements on the main page. We found that 17% of them (20 requests) were addressed to the original Kontaktnicockylevne.cz, 41% (48 requests) were made to Cdn.myshoptet.com and 12% (14 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Cdn.foxentry.cz.

Content Size

2.7 MB

After Optimization

2.5 MB

In fact, the total size of Kontaktnicockylevne.cz main page is 2.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 194.6 kB

Original 223.4 kB
After minification 154.5 kB
After compression 28.8 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 68.9 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 194.6 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 12.8 kB

Original 2.2 MB
After minification 2.2 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. Kontaktnicockylevne images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 4.5 kB

Original 132.6 kB
After minification 132.6 kB
After compression 128.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-22%

Potential reduce by 29.8 kB

Original 135.3 kB
After minification 135.3 kB
After compression 105.4 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. Kontaktnicockylevne.cz needs all CSS files to be minified and compressed as it can save up to 29.8 kB or 22% of the original size.

Requests Now

After Optimization

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kontaktnicockylevne. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 32 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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

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 Kontaktnicockylevne.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 Kontaktnicockylevne.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

kontaktnicockylevne.cz

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

Kontaktní čočky, sluneční brýle, okluzory | E-shop Aleš Žejdl

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

kontaktnicockylevne.cz

www.kontaktnicockylevne.cz

webfont.js

gtm.js

frontend_master_main_cs_995948acb6d2bccc98fc1c9b9a025c26.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

kontaktnicockylevne.cz

www.kontaktnicockylevne.cz

webfont.js

gtm.js

frontend_master_main_cs_995948acb6d2bccc98fc1c9b9a025c26.css

387929_5.css

instagramplus.css

all.css

fv-studio-app-showmore.css

lightslider.css

style.css

style_fix.css

style_dklab_filtr.css

style_dklab_filtr_mobile.css

style_dklab_filtr_Classic.css

style_dklab_filtr_Classic_mobile.css

all.css

css2

style_dklab.css

style_dklab_hlavicka.css

style_dklab_paticka.css

style_dklab_kategorie.css

style_dklab_detail.css

style_dklab_uvod.css

style_dklab_sidebar.css

style_dklab_doplnky.css

style_dklab_columns.css

style_dklab_osobnisekce.css

style_dklab_blog.css

style_dklab_sticky.css

style_dklab_cookies.css

style_dklab_cbox.css

js

sdk.js

jquery.min.js

frontend_master_main_cs_d9b0613f4b6a66bf335ada3ebe6f5a6e.js

rc.js

387929_datalayer_5.js

387929_5.js

387929_1050.js

387929_7.js

widget-387929-Classic.js

lightslider.min.js

barevn_k.jpg