Tools & Wizards About Us
zoom.co.rs screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

zoom.co.rs

ZOOM tehnika - video nadzor - alarmni sistemi - kućni aparati - zoom.rs

Page Load Speed

11.7 sec in total

First Response

388 ms

Resources Loaded

10.8 sec

Page Rendered

532 ms

zoom.co.rs screenshot

About Website

Welcome to zoom.co.rs homepage info - get ready to check ZOOM Co best content right away, or after learning these important things about zoom.co.rs

zoom.rs prodavnica tehnike električnih uredjaja - Video nadzor - alarmni sistemi - kućni uredjaji aparati - motori za kapije - tehnička roba

Visit zoom.co.rs

Key Findings

We analyzed Zoom.co.rs page load time and found that the first response time was 388 ms and then it took 11.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

zoom.co.rs performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value20.2 s

0/100

10%

TBT (Total Blocking Time)

Value9,340 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.263

47/100

15%

TTI (Time to Interactive)

Value26.9 s

0/100

10%

Network Requests Diagram

zoom.co.rs

388 ms

www.zoom.co.rs

553 ms

zoom.co.css

265 ms

index.css

310 ms

jquery-1.7.2.min.js

555 ms

Our browser made a total of 191 requests to load all elements on the main page. We found that 74% of them (142 requests) were addressed to the original Zoom.co.rs, 6% (11 requests) were made to Apis.google.com and 5% (9 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (4.1 sec) belongs to the original domain Zoom.co.rs.

Page Optimization Overview & Recommendations

Page size can be reduced by 275.5 kB (8%)

Content Size

3.4 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zoom.co.rs main page is 3.4 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. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 53.9 kB

  • Original 66.3 kB
  • After minification 63.1 kB
  • After compression 12.3 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 53.9 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 71.9 kB

  • Original 3.1 MB
  • After minification 3.0 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. ZOOM Co images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 122.7 kB

  • Original 197.4 kB
  • After minification 197.3 kB
  • After compression 74.7 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 122.7 kB or 62% of the original size.

CSS Optimization

-82%

Potential reduce by 27.0 kB

  • Original 32.8 kB
  • After minification 24.7 kB
  • After compression 5.8 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. Zoom.co.rs needs all CSS files to be minified and compressed as it can save up to 27.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 112 (61%)

Requests Now

185

After Optimization

73

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 185 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZOOM Co. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zoom.co.rs

zoom.co.rs

388 ms

www.zoom.co.rs

www.zoom.co.rs

553 ms

zoom.co.css

zoom.co.css

265 ms

index.css

index.css

310 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

555 ms

jquery.ui.effect.min.js

jquery.ui.effect.min.js

257 ms

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311 ms

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jquery.ui.effect-bounce.min.js

318 ms

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104 ms

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2998 ms

videonadzor_alarmni_sistemi_cena_beograd_prodaja_alarrm_shop_zoom0556.gif

videonadzor_alarmni_sistemi_cena_beograd_prodaja_alarrm_shop_zoom0556.gif

3251 ms

akcija_ponedeljak.html

akcija_ponedeljak.html

3257 ms

img0023.png

img0023.png

3319 ms

style11left.gif

style11left.gif

3343 ms

style11right.gif

style11right.gif

3393 ms

img0410.gif

img0410.gif

3390 ms

img0411.gif

img0411.gif

3570 ms

img0823.gif

img0823.gif

3596 ms

img0607.png

img0607.png

3627 ms

img0709.png

img0709.png

3624 ms

plusone.js

plusone.js

74 ms

LOGO2.png

LOGO2.png

4105 ms

sdk.js

sdk.js

30 ms

89 ms

fastbutton

fastbutton

75 ms

xd_arbiter.php

xd_arbiter.php

47 ms

xd_arbiter.php

xd_arbiter.php

55 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

10 ms

akcija_ponedeljak.css

akcija_ponedeljak.css

530 ms

auto_navigacije_za_kola_nav.png

auto_navigacije_za_kola_nav.png

491 ms

auto_alarm_za_kola_vozila_u.png

auto_alarm_za_kola_vozila_u.png

494 ms

xenon_HID_komplet_sijalice_.png

xenon_HID_komplet_sijalice_.png

492 ms

parking_senzori_ugradnja_pr.png

parking_senzori_ugradnja_pr.png

497 ms

automatske_rampe_cena_proda.png

automatske_rampe_cena_proda.png

276 ms

motor_za_kliznu_kapiju_set_.png

motor_za_kliznu_kapiju_set_.png

788 ms

motor_za_krilnu_kapiju.png

motor_za_krilnu_kapiju.png

1049 ms

akcija_bezicni_interfon.png

akcija_bezicni_interfon.png

1103 ms

akcija_DIGITALNI_RISIVERI_D.gif

akcija_DIGITALNI_RISIVERI_D.gif

994 ms

akcija_HIKVISION_kamera_3MP.png

akcija_HIKVISION_kamera_3MP.png

1093 ms

akcija_HIKVISION_DVR.png

akcija_HIKVISION_DVR.png

1258 ms

32 ms

page.php

page.php

79 ms

OuamSSjcmsY.css

OuamSSjcmsY.css

28 ms

1kPfZUdGrka.js

1kPfZUdGrka.js

32 ms

GCg8E-Bz875.js

GCg8E-Bz875.js

56 ms

Qd7TTBR3F_S.js

Qd7TTBR3F_S.js

54 ms

R9GKCzjAnbk.js

R9GKCzjAnbk.js

12 ms

AWWjhOengNF.js

AWWjhOengNF.js

13 ms

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11 ms

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kQf_jlUv-kX.js

15 ms

follow.php

follow.php

56 ms

Accessibility Review

zoom.co.rs accessibility score

83

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

button, link, and menuitem elements do not have accessible names.

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

Form elements do not have associated labels

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.

Best Practices

zoom.co.rs best practices score

67

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

zoom.co.rs SEO score

84

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    SR

  • Language Claimed

    SR

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zoom.co.rs can be misinterpreted by Google and other search engines. Our service has detected that Serbian is used on the page, and it matches the claimed language. Our system also found out that Zoom.co.rs main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

zoom.co.rs

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