Access stroll-obuv.cz. Obuv - kvalitní kožené boty

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

1/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value190 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.231

54/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

stroll-obuv.cz

339 ms

www.stroll-obuv.cz

770 ms

bootstrap.css

246 ms

font-awesome.css

238 ms

responsive.css

257 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 50% of them (56 requests) were addressed to the original Stroll-obuv.cz, 14% (16 requests) were made to Static.xx.fbcdn.net and 12% (14 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (813 ms) belongs to the original domain Stroll-obuv.cz.

Content Size

1.3 MB

After Optimization

729.7 kB

In fact, the total size of Stroll-obuv.cz main page is 1.3 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. 55% of websites need less resources to load. Images take 559.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 45.9 kB

Original 57.2 kB
After minification 52.2 kB
After compression 11.3 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 45.9 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 32.2 kB

Original 559.4 kB
After minification 527.2 kB

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. Stroll Obuv images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 285.3 kB

Original 438.5 kB
After minification 368.8 kB
After compression 153.3 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 285.3 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 196.2 kB

Original 234.2 kB
After minification 213.4 kB
After compression 38.0 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. Stroll-obuv.cz needs all CSS files to be minified and compressed as it can save up to 196.2 kB or 84% of the original size.

Requests Now

106

After Optimization

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stroll Obuv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 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 interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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 Stroll-obuv.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 Stroll-obuv.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

stroll-obuv.cz

Open Graph data is detected on the main page of Stroll Obuv. 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

Obuv - kvalitní kožené boty | Stroll obuv

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

stroll-obuv.cz

www.stroll-obuv.cz

bootstrap.css

font-awesome.css

responsive.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

stroll-obuv.cz

www.stroll-obuv.cz

bootstrap.css

font-awesome.css

responsive.css

styles.css

colorbox.css

jquery-1.9.1.min.js

loading.js

jquery.domwindow.js

ajaxdomwindow.js

iframedomwindow.js

messages.js

jquery.colorbox.min.js

jquery.cycle.all.min.js

jquery.scrollTo.min.js

jquery.placeholder.min.js

cufon.js

jquery.autocomplete.js

main.js

slideshow.js

tabs.js

toggle.js

html5shiv.js

bootstrap.js

bootstrap-select.js

bootstrap-modalmanager.js

bootstrap-checkbox.js

holder.js

analytics.js

jquery.mcustomscrollbar.min.js

index.js

retargeting.js

conversion.js

css

ga.js

__utm.gif

stroll.png

1-490_2.jpg

nahled-velky-18907-hlavni-46-damska-zateplena-obuv.jpg

1457017577-jaro-2016-2-jpg.jpeg

1451902105-sleva-50-zima-2015-jpg.jpeg

1456239327-hogl-jaro-2016-jpg.jpeg