Tools & Wizards About Us

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

irsen.by

ИРСЕН ГРУПП - производитель компьютеров и серверов, поставщик комплектующих и сетевого оборудования для юрлиц Ирсен Групп

Page Load Speed

15.6 sec in total

First Response

486 ms

Resources Loaded

14.6 sec

Page Rendered

511 ms

About Website

Visit irsen.by now to see the best up-to-date Irsen content for Belarus and also check out these interesting facts you probably never knew about irsen.by

Производитель и дистрибьютор (импортер) компьютеров, моноблоков и серверов Z-tech. У нас вы сможете купить компьютерные комплектующие и сетевое оборудование для офиса, бизнеса и работы. Работаем по то...

Visit irsen.by

Key Findings

We analyzed Irsen.by page load time and found that the first response time was 486 ms and then it took 15.1 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

irsen.by performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value81.7 s

0/100

25%

SI (Speed Index)

Value20.8 s

0/100

10%

TBT (Total Blocking Time)

Value2,170 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.076

95/100

15%

TTI (Time to Interactive)

Value19.5 s

2/100

10%

Network Requests Diagram

irsen.by

486 ms

irsen.by

704 ms

ui.font.opensans.css

114 ms

main.popup.bundle.css

228 ms

style.css

344 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 81% of them (91 requests) were addressed to the original Irsen.by, 3% (3 requests) were made to Vk.com and 3% (3 requests) were made to Mc.yandex.com. The less responsive or slowest element that took the longest time to load (12.2 sec) relates to the external source Cdn-ru.bitrix24.by.

Page Optimization Overview & Recommendations

Page size can be reduced by 785.5 kB (22%)

Content Size

3.5 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Irsen.by main page is 3.5 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. 65% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 311.8 kB

  • Original 378.0 kB
  • After minification 333.3 kB
  • After compression 66.2 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 44.7 kB, which is 12% 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 311.8 kB or 82% of the original size.

Image Optimization

-13%

Potential reduce by 311.8 kB

  • Original 2.3 MB
  • After minification 2.0 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. Obviously, Irsen needs image optimization as it can save up to 311.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-20%

Potential reduce by 132.4 kB

  • Original 673.3 kB
  • After minification 673.3 kB
  • After compression 540.9 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 132.4 kB or 20% of the original size.

CSS Optimization

-31%

Potential reduce by 29.6 kB

  • Original 95.0 kB
  • After minification 94.9 kB
  • After compression 65.4 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. Irsen.by needs all CSS files to be minified and compressed as it can save up to 29.6 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (52%)

Requests Now

104

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Irsen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

irsen.by accessibility score

78

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.

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

irsen.by best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

irsen.by SEO score

83

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

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Irsen.by can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 Irsen.by 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 data is detected on the main page of Irsen. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: