Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

intervision.ua

Відеоспостереження від українського виробника, найнижчі ціни

Page Load Speed

19.5 sec in total

First Response

954 ms

Resources Loaded

18.1 sec

Page Rendered

485 ms

intervision.ua screenshot

About Website

Welcome to intervision.ua homepage info - get ready to check Intervision best content for Ukraine right away, or after learning these important things about intervision.ua

Відеоспостереження і gsm сигналізація для офісу, дачі, будинки. Кращі ціни, висока якість. Виробник. Демо ролики.

Visit intervision.ua

Key Findings

We analyzed Intervision.ua page load time and found that the first response time was 954 ms and then it took 18.6 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

intervision.ua performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value1,670 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.503

16/100

15%

TTI (Time to Interactive)

Value16.1 s

6/100

10%

Network Requests Diagram

intervision.ua

954 ms

jquery.min.js

129 ms

BrowserUpdateWarning.css

235 ms

btcontentslider.css

251 ms

vmsite-ltr.css

254 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 93% of them (102 requests) were addressed to the original Intervision.ua, 2% (2 requests) were made to Counter.yadro.ru and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (15.2 sec) belongs to the original domain Intervision.ua.

Page Optimization Overview & Recommendations

Page size can be reduced by 995.7 kB (22%)

Content Size

4.6 MB

After Optimization

3.6 MB

In fact, the total size of Intervision.ua main page is 4.6 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 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 51.5 kB

  • Original 63.9 kB
  • After minification 53.3 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 10.6 kB, which is 17% 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 51.5 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 52.0 kB

  • Original 3.3 MB
  • After minification 3.2 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. Intervision images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 628.7 kB

  • Original 889.7 kB
  • After minification 813.7 kB
  • After compression 260.9 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 628.7 kB or 71% of the original size.

CSS Optimization

-82%

Potential reduce by 263.5 kB

  • Original 321.0 kB
  • After minification 258.6 kB
  • After compression 57.5 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. Intervision.ua needs all CSS files to be minified and compressed as it can save up to 263.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (34%)

Requests Now

107

After Optimization

71

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Intervision. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

intervision.ua accessibility score

77

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

intervision.ua 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

intervision.ua 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

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

    UK

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Intervision.ua can be misinterpreted by Google and other search engines. Our service has detected that Ukrainian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Intervision.ua 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 description is not detected on the main page of Intervision. 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: