Tools & Wizards About Us
comco.sk screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    51% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

comco.sk

COMCO > Autodiely | Náradie | Chémia | Príslušenstvo | COMCO

Page Load Speed

4.4 sec in total

First Response

475 ms

Resources Loaded

3.3 sec

Page Rendered

591 ms

comco.sk screenshot

About Website

Click here to check amazing COMCO content for Slovakia. Otherwise, check out these important facts you probably never knew about comco.sk

Nakupujte audiely u experta . Okrem autodielov u nás nájdete aj Oleje Castrol, Total a ELF, či autopríslušenstvo.

Visit comco.sk

Key Findings

We analyzed Comco.sk page load time and found that the first response time was 475 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

comco.sk performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

20/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value390 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.364

29/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

comco.sk

475 ms

www.comco.sk

929 ms

style

320 ms

jquery.fancybox-1.3.4.css

224 ms

modernizr-1.5.min.js

273 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 80% of them (65 requests) were addressed to the original Comco.sk, 4% (3 requests) were made to V2.zopim.com and 2% (2 requests) were made to C.pocitadlo.sk. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Ssl.toplist.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 209.4 kB (39%)

Content Size

543.7 kB

After Optimization

334.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Comco.sk main page is 543.7 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. 35% of websites need less resources to load. Images take 243.1 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 44.1 kB

  • Original 60.5 kB
  • After minification 56.0 kB
  • After compression 16.4 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. 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 44.1 kB or 73% of the original size.

Image Optimization

-3%

Potential reduce by 6.6 kB

  • Original 243.1 kB
  • After minification 236.5 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. COMCO images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 132.9 kB

  • Original 207.9 kB
  • After minification 182.6 kB
  • After compression 75.0 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 132.9 kB or 64% of the original size.

CSS Optimization

-80%

Potential reduce by 25.9 kB

  • Original 32.3 kB
  • After minification 26.5 kB
  • After compression 6.4 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. Comco.sk needs all CSS files to be minified and compressed as it can save up to 25.9 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (38%)

Requests Now

76

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of COMCO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

comco.sk

comco.sk

475 ms

www.comco.sk

www.comco.sk

929 ms

style

style

320 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

224 ms

modernizr-1.5.min.js

modernizr-1.5.min.js

273 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

401 ms

jquery.mousewheel-3.0.4.pack.js

jquery.mousewheel-3.0.4.pack.js

264 ms

jquery.fancybox-1.3.4.js

jquery.fancybox-1.3.4.js

294 ms

plugins.js

plugins.js

398 ms

util.js

util.js

399 ms

front.js

front.js

409 ms

ajaxbasket.js

ajaxbasket.js

425 ms

cz.js

cz.js

21 ms

jquery.chocoslider.js

jquery.chocoslider.js

424 ms

ajax.js

ajax.js

449 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

495 ms

style.css

style.css

500 ms

colorbox.css

colorbox.css

497 ms

autodiely.css

autodiely.css

530 ms

c.pocitadlo.sk

c.pocitadlo.sk

1063 ms

conversion.js

conversion.js

18 ms

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13 ms

ga.js

ga.js

30 ms

__utm.gif

__utm.gif

25 ms

count.asp

count.asp

1270 ms

count.asp

count.asp

663 ms

bg_pattern.png

bg_pattern.png

116 ms

icon-cart-small-gray.gif

icon-cart-small-gray.gif

109 ms

comco.png

comco.png

143 ms

motorovy-olej-vyber-v2.png

motorovy-olej-vyber-v2.png

118 ms

icon-rss.png

icon-rss.png

118 ms

autodiely-homepage.jpg

autodiely-homepage.jpg

458 ms

audi.gif

audi.gif

331 ms

bmw.gif

bmw.gif

333 ms

citroen.gif

citroen.gif

335 ms

fiat.gif

fiat.gif

336 ms

ford.gif

ford.gif

337 ms

hyundai.gif

hyundai.gif

362 ms

kia.gif

kia.gif

363 ms

mercedes-benz.gif

mercedes-benz.gif

364 ms

nissan.gif

nissan.gif

363 ms

opel.gif

opel.gif

411 ms

peugeot.gif

peugeot.gif

442 ms

renault.gif

renault.gif

452 ms

skoda.gif

skoda.gif

459 ms

toyota.gif

toyota.gif

462 ms

vw.gif

vw.gif

542 ms

garancia-povodu-oleje-90.png

garancia-povodu-oleje-90.png

549 ms

odporucany-obchod-nn.gif

odporucany-obchod-nn.gif

581 ms

bosch-0450902151.jpg

bosch-0450902151.jpg

574 ms

total-quartz-ineo-long-life-sae-5w-30-5l.jpg

total-quartz-ineo-long-life-sae-5w-30-5l.jpg

584 ms

osram-ultra-life-h7-55w-set-2ks-1.jpg

osram-ultra-life-h7-55w-set-2ks-1.jpg

585 ms

elf-sud.jpg

elf-sud.jpg

668 ms

total-quartz-9000-sae-5w-40-5l.jpg

total-quartz-9000-sae-5w-40-5l.jpg

653 ms

total-sud-208.jpg

total-sud-208.jpg

1254 ms

0-189-999-01m.jpg

0-189-999-01m.jpg

1252 ms

0-189-999-03m.jpg

0-189-999-03m.jpg

1254 ms

spojkova-sada-luk-seat-skoda-vw-600001600.jpg

spojkova-sada-luk-seat-skoda-vw-600001600.jpg

1255 ms

3000-332-001.jpg

3000-332-001.jpg

1256 ms

fram-ph5566a.jpg

fram-ph5566a.jpg

1257 ms

aral-super-tronic-longlife-3-5w-30-1l.jpg

aral-super-tronic-longlife-3-5w-30-1l.jpg

1258 ms

castrol-edge-5w-30-5l.jpg

castrol-edge-5w-30-5l.jpg

1222 ms

castrol-magnatec-5w-40-a3-b4-5l.jpg

castrol-magnatec-5w-40-a3-b4-5l.jpg

1166 ms

merac-tlaku-pneumatik-michelin.jpg

merac-tlaku-pneumatik-michelin.jpg

1160 ms

3-397-118-902.jpg

3-397-118-902.jpg

1157 ms

icon-print.gif

icon-print.gif

1162 ms

dotlrg.png

dotlrg.png

1134 ms

widget_v2.132.js

widget_v2.132.js

22 ms

__$$__stringtable_lang_sk.js

__$$__stringtable_lang_sk.js

29 ms

jozko-poradic.png

jozko-poradic.png

942 ms

infobar-v5.png

infobar-v5.png

940 ms

td-ins.png

td-ins.png

942 ms

autodiely-nahradne-diely-prm.gif

autodiely-nahradne-diely-prm.gif

943 ms

vyhladavanie-filtrov.png

vyhladavanie-filtrov.png

940 ms

showcounter.php

showcounter.php

127 ms

46 ms

5716.js

5716.js

49 ms

66 ms

avatar_simple_visitor.png

avatar_simple_visitor.png

176 ms

print.less.css

print.less.css

167 ms

aL63HcygAAVYuCCsAAA==

aL63HcygAAVYuCCsAAA==

5 ms

Accessibility Review

comco.sk accessibility score

79

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Best Practices

comco.sk best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

comco.sk SEO score

91

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    SK

  • Language Claimed

    SK

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Comco.sk can be misinterpreted by Google and other search engines. Our service has detected that Slovak is used on the page, and it matches the claimed language. Our system also found out that Comco.sk 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

comco.sk

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