Tools & Wizards About Us
aj-shop.cz screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    86% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

aj-shop.cz

Aj-shop.cz - Prodej mobilních telefonů a příslušenství - Nokia, Samsung, Sony Ericsson, Apple, LG. Bazar. Internetový obchod a maloobchod mobilních te...

Page Load Speed

2.7 sec in total

First Response

507 ms

Resources Loaded

2 sec

Page Rendered

131 ms

aj-shop.cz screenshot

About Website

Visit aj-shop.cz now to see the best up-to-date Aj Shop content and also check out these interesting facts you probably never knew about aj-shop.cz

V našem obchodu www.aj-shop.cz naleznete mobilní telefony a příslušenství značek Nokia, Apple, Samsung, HTC, Sony Ericsson, LG.Zajišťujeme záruční, pozáruční servis a výkup všech značek mobilních tele...

Visit aj-shop.cz

Key Findings

We analyzed Aj-shop.cz page load time and found that the first response time was 507 ms and then it took 2.2 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

aj-shop.cz performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

36/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

65/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

aj-shop.cz

507 ms

www.aj-shop.cz

432 ms

prototype.js

293 ms

scriptaculous.js

190 ms

lightbox.js

190 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 98% of them (49 requests) were addressed to the original Aj-shop.cz, 2% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (542 ms) belongs to the original domain Aj-shop.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.0 kB (28%)

Content Size

265.4 kB

After Optimization

190.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aj-shop.cz main page is 265.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 117.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 55.1 kB

  • Original 67.9 kB
  • After minification 64.3 kB
  • After compression 12.7 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 55.1 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 5.5 kB

  • Original 117.0 kB
  • After minification 111.5 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. Aj Shop images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 11.7 kB

  • Original 72.5 kB
  • After minification 72.2 kB
  • After compression 60.9 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 11.7 kB or 16% of the original size.

CSS Optimization

-34%

Potential reduce by 2.8 kB

  • Original 8.0 kB
  • After minification 8.0 kB
  • After compression 5.3 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. Aj-shop.cz needs all CSS files to be minified and compressed as it can save up to 2.8 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (50%)

Requests Now

46

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aj Shop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

aj-shop.cz

aj-shop.cz

507 ms

www.aj-shop.cz

www.aj-shop.cz

432 ms

prototype.js

prototype.js

293 ms

scriptaculous.js

scriptaculous.js

190 ms

lightbox.js

lightbox.js

190 ms

functions.js

functions.js

189 ms

lightbox.css

lightbox.css

189 ms

style.css

style.css

190 ms

menu.css

menu.css

282 ms

effects.js

effects.js

97 ms

builder.js

builder.js

95 ms

op.css

op.css

107 ms

menu-closed.gif

menu-closed.gif

95 ms

menu-arrow.gif

menu-arrow.gif

96 ms

4.jpg

4.jpg

96 ms

8.jpg

8.jpg

95 ms

2.jpg

2.jpg

96 ms

4.jpg

4.jpg

188 ms

32.jpg

32.jpg

191 ms

38.jpg

38.jpg

189 ms

33.jpg

33.jpg

190 ms

39.jpg

39.jpg

189 ms

37.jpg

37.jpg

195 ms

3.jpg

3.jpg

281 ms

i1.jpg

i1.jpg

282 ms

ga.js

ga.js

18 ms

background-body.gif

background-body.gif

172 ms

background-main.jpg

background-main.jpg

264 ms

topimage.jpg

topimage.jpg

357 ms

customer-bottom.png

customer-bottom.png

177 ms

background-account.gif

background-account.gif

263 ms

button-submit.png

button-submit.png

264 ms

basket.gif

basket.gif

265 ms

menu-border.gif

menu-border.gif

270 ms

background-content.png

background-content.png

356 ms

top-menushop.gif

top-menushop.gif

358 ms

bottom-left.gif

bottom-left.gif

357 ms

top-left.gif

top-left.gif

359 ms

top-middle.gif

top-middle.gif

363 ms

background-quick.gif

background-quick.gif

449 ms

top-searching.gif

top-searching.gif

450 ms

bottom-searching.gif

bottom-searching.gif

450 ms

background-product.gif

background-product.gif

451 ms

icons-actions.gif

icons-actions.gif

452 ms

button-detail.gif

button-detail.gif

457 ms

button-buy.gif

button-buy.gif

542 ms

footer.gif

footer.gif

542 ms

loading.gif

loading.gif

521 ms

closelabel.gif

closelabel.gif

522 ms

309 ms

Accessibility Review

aj-shop.cz accessibility score

77

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

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

Names and labels

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.

Impact

Issue

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

aj-shop.cz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

aj-shop.cz SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Aj-shop.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 Aj-shop.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

aj-shop.cz

Open Graph description is not detected on the main page of Aj Shop. 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: