Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 95

    SEO

    Google-friendlier than
    90% of websites

istores.cz

iStores - Apple Premium Partner – iPhone, iPad, Mac, Apple Watch, AirPods

Page Load Speed

2.5 sec in total

First Response

192 ms

Resources Loaded

1.8 sec

Page Rendered

457 ms

istores.cz screenshot

About Website

Click here to check amazing IStores content for Czech Republic. Otherwise, check out these important facts you probably never knew about istores.cz

iStores je největším Apple Premium Partnerem v České a Slovenské republice. Věnuje se prodeji výrobků Apple - iPhone, iPad, Mac, Apple Watch, iPod a příslušenství.

Visit istores.cz

Key Findings

We analyzed Istores.cz page load time and found that the first response time was 192 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

istores.cz performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value1,990 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

istores.cz

192 ms

istores.cz

380 ms

www.istores.cz

859 ms

cookieconsent.js

31 ms

cookieconsent-config.js

33 ms

Our browser made a total of 143 requests to load all elements on the main page. We found that 3% of them (5 requests) were addressed to the original Istores.cz, 91% (130 requests) were made to D1vmbpq35a603k.cloudfront.net and 2% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (859 ms) belongs to the original domain Istores.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (74%)

Content Size

1.8 MB

After Optimization

482.7 kB

In fact, the total size of Istores.cz main page is 1.8 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. 70% of websites need less resources to load. HTML takes 894.9 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 742.1 kB

  • Original 894.9 kB
  • After minification 891.7 kB
  • After compression 152.8 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. 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 742.1 kB or 83% of the original size.

Image Optimization

-69%

Potential reduce by 609.8 kB

  • Original 879.3 kB
  • After minification 269.5 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. Obviously, IStores needs image optimization as it can save up to 609.8 kB or 69% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 352 B

  • Original 50.9 kB
  • After minification 50.9 kB
  • After compression 50.6 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

-1%

Potential reduce by 137 B

  • Original 10.1 kB
  • After minification 10.1 kB
  • After compression 9.9 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. Istores.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 70 (50%)

Requests Now

140

After Optimization

70

The browser has sent 140 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IStores. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

istores.cz accessibility score

97

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

istores.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

istores.cz SEO score

95

Search Engine Optimization Advices

Mobile Friendly

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/).

Impact

Issue

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 Istores.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 Istores.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

Open Graph data is detected on the main page of IStores. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: