Tools & Wizards About Us
avacom.cz screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

avacom.cz

AVACOM - baterie & akumulátory

Page Load Speed

4.2 sec in total

First Response

390 ms

Resources Loaded

3.6 sec

Page Rendered

223 ms

avacom.cz screenshot

About Website

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

AVACOM.CZ nabízí baterie do notebooků, mobilů, videokamer, fotoaparátů, PDA, aku nářadí, radiostanic a spotřebitelské nabíjecí baterie AA, AAA a další.

Visit avacom.cz

Key Findings

We analyzed Avacom.cz page load time and found that the first response time was 390 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

avacom.cz performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value14.6 s

1/100

10%

TBT (Total Blocking Time)

Value400 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

avacom.cz

390 ms

avacom.cz

396 ms

www.avacom.cz

1311 ms

css

43 ms

font-awesome.min.css

98 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 83% of them (67 requests) were addressed to the original Avacom.cz, 5% (4 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Avacom.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 204.5 kB (14%)

Content Size

1.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Avacom.cz main page is 1.5 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. 60% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 138.9 kB

  • Original 151.3 kB
  • After minification 75.3 kB
  • After compression 12.4 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 76.1 kB, which is 50% 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 138.9 kB or 92% of the original size.

Image Optimization

-3%

Potential reduce by 28.8 kB

  • Original 1.1 MB
  • After minification 1.0 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. AVACOM images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 35.1 kB

  • Original 234.1 kB
  • After minification 234.1 kB
  • After compression 199.0 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 35.1 kB or 15% of the original size.

CSS Optimization

-8%

Potential reduce by 1.7 kB

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 19.3 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. Avacom.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (21%)

Requests Now

73

After Optimization

58

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AVACOM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

avacom.cz

avacom.cz

390 ms

avacom.cz

avacom.cz

396 ms

www.avacom.cz

www.avacom.cz

1311 ms

css

css

43 ms

font-awesome.min.css

font-awesome.min.css

98 ms

lightbox.css

lightbox.css

193 ms

screen.css

screen.css

292 ms

addLang.css.php

addLang.css.php

306 ms

jquery-ui.css

jquery-ui.css

27 ms

js

js

61 ms

jquery.min.js

jquery.min.js

29 ms

jquery-ui.min.js

jquery-ui.min.js

29 ms

lightbox.js

lightbox.js

287 ms

main.js

main.js

285 ms

errors.js

errors.js

292 ms

dopravaPlatba.js

dopravaPlatba.js

291 ms

rc.js

rc.js

728 ms

js

js

124 ms

analytics.js

analytics.js

206 ms

js

js

172 ms

close.png

close.png

198 ms

loading.gif

loading.gif

194 ms

prev.png

prev.png

198 ms

next.png

next.png

196 ms

logo_header.svg

logo_header.svg

194 ms

icons-s4924604f25.png

icons-s4924604f25.png

289 ms

NOTEBOOK.jpg

NOTEBOOK.jpg

367 ms

FOTO.jpg

FOTO.jpg

369 ms

MOBIL.jpg

MOBIL.jpg

371 ms

VIDEO.jpg

VIDEO.jpg

368 ms

RADIO.jpg

RADIO.jpg

289 ms

AKUNARADI.jpg

AKUNARADI.jpg

369 ms

akus.jpg

akus.jpg

371 ms

rbc.jpg

rbc.jpg

465 ms

BEZDRAT.jpg

BEZDRAT.jpg

464 ms

prumysloveClanky.jpg

prumysloveClanky.jpg

463 ms

VyrobaAkuPacku.jpg

VyrobaAkuPacku.jpg

464 ms

SpotrebniBaterie.jpg

SpotrebniBaterie.jpg

464 ms

BARCODE.jpg

BARCODE.jpg

465 ms

GPSNAVIGACE.jpg

GPSNAVIGACE.jpg

557 ms

ROBOTICKEVYSAVACE.jpg

ROBOTICKEVYSAVACE.jpg

560 ms

autoBaterie.jpg

autoBaterie.jpg

558 ms

powerbanky.jpg

powerbanky.jpg

559 ms

LiFePO4.jpg

LiFePO4.jpg

559 ms

SolarPrenosny.jpg

SolarPrenosny.jpg

560 ms

Kabel_micro_USB_detail.jpg

Kabel_micro_USB_detail.jpg

652 ms

chargers.jpg

chargers.jpg

653 ms

OstatniPrislusenstvi.jpg

OstatniPrislusenstvi.jpg

654 ms

UPS.jpg

UPS.jpg

655 ms

ServisUPS.jpg

ServisUPS.jpg

655 ms

TABLETY.jpg

TABLETY.jpg

655 ms

RUCNIUKLIDOVATECHNIKA.jpg

RUCNIUKLIDOVATECHNIKA.jpg

747 ms

NOUZOVEOSVETLENI.jpg

NOUZOVEOSVETLENI.jpg

746 ms

GEODETICKEPRISTROJE.jpg

GEODETICKEPRISTROJE.jpg

748 ms

ZDRAVOTNICKATECHNIKA.jpg

ZDRAVOTNICKATECHNIKA.jpg

749 ms

DVDAMULTIMEDIA.jpg

DVDAMULTIMEDIA.jpg

670 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVcUwaEQXjM.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVcUwaEQXjM.ttf

123 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVcUwaEQXjM.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVcUwaEQXjM.ttf

152 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVcUwaEQXjM.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVcUwaEQXjM.ttf

178 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVcUwaEQXjM.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVcUwaEQXjM.ttf

184 ms

collect

collect

21 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

651 ms

ELEKTRICKAVOZITKAPRODETI.jpg

ELEKTRICKAVOZITKAPRODETI.jpg

649 ms

start.jpg

start.jpg

747 ms

NOTEBOOK.jpg

NOTEBOOK.jpg

649 ms

FOTO.jpg

FOTO.jpg

655 ms

MOBIL.jpg

MOBIL.jpg

563 ms

VIDEO.jpg

VIDEO.jpg

653 ms

RADIO.jpg

RADIO.jpg

578 ms

AKUNARADI.jpg

AKUNARADI.jpg

576 ms

VRLA.jpg

VRLA.jpg

575 ms

RBC.jpg

RBC.jpg

576 ms

prumysloveClanky.jpg

prumysloveClanky.jpg

664 ms

VyrobaAkuPacku.jpg

VyrobaAkuPacku.jpg

664 ms

SpotrebniBaterie.jpg

SpotrebniBaterie.jpg

572 ms

nabijecky.jpg

nabijecky.jpg

572 ms

pbav-12v009-f2ah_a.jpg

pbav-12v009-f2ah_a.jpg

573 ms

vc-leifheit-51003-2900_a.jpg

vc-leifheit-51003-2900_a.jpg

574 ms

atma-l18a1-86d_a.jpg

atma-l18a1-86d_a.jpg

664 ms

atma-l14a1-20q_a.jpg

atma-l14a1-20q_a.jpg

664 ms

logo_footer_new.png

logo_footer_new.png

571 ms

Accessibility Review

avacom.cz accessibility score

93

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

avacom.cz best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

avacom.cz SEO score

87

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

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 Avacom.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 Avacom.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

avacom.cz

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