Access zis.by. zis.by

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value24.6 s

0/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value1,150 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.024

100/100

15%

TTI (Time to Interactive)

Value24.9 s

0/100

10%

zis.by

546 ms

zis.by

719 ms

intranet-common.min.css

140 ms

ui.design-tokens.min.css

278 ms

bitrix24-design-tokens.min.css

414 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 48% of them (45 requests) were addressed to the original Zis.by, 49% (46 requests) were made to Fonts.bitrix24.by and 2% (2 requests) were made to Bitrix.zis.by. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Fonts.bitrix24.by.

Content Size

648.0 kB

After Optimization

449.2 kB

In fact, the total size of Zis.by main page is 648.0 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. 60% of websites need less resources to load. Javascripts take 326.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 104.9 kB

Original 124.5 kB
After minification 120.7 kB
After compression 19.7 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 104.9 kB or 84% of the original size.

JavaScript Optimization

-17%

Potential reduce by 55.0 kB

Original 326.1 kB
After minification 326.1 kB
After compression 271.1 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 55.0 kB or 17% of the original size.

CSS Optimization

-20%

Potential reduce by 38.9 kB

Original 197.3 kB
After minification 197.3 kB
After compression 158.4 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. Zis.by needs all CSS files to be minified and compressed as it can save up to 38.9 kB or 20% of the original size.

Requests Now

After Optimization

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-hidden="true"] elements contain focusable descendents

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

RU
Language Claimed

RU
Encoding

UTF-8

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

zis.by

Open Graph data is detected on the main page of Zis. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

zis.by

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

zis.by

zis.by

intranet-common.min.css

ui.design-tokens.min.css

bitrix24-design-tokens.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

zis.by

zis.by

intranet-common.min.css

ui.design-tokens.min.css

bitrix24-design-tokens.min.css

ui.font.opensans.min.css

main.popup.bundle.min.css

style.min.css

style.min.css

sidepanel.min.css

core_date.min.css

ui.buttons.bundle.min.css

ui.switcher.bundle.min.css

landing_public.min.css

style.css

style.min.css

popup.min.css

catalog_cond.min.css

style.min.css

bootstrap.min.css

theme.min.css

template_styles.min.css

css2

core.min.js

protobuf.min.js

model.min.js

core_promise.min.js

rest.client.min.js

pull.client.min.js

core_fx.min.js

pageobject.min.js

main.popup.bundle.min.js

core_clipboard.min.js

manager.min.js

slider.min.js

main.date.min.js

core_date.min.js

core_window.min.js

core_tree.min.js

ui.buttons.bundle.min.js

ui.switcher.bundle.min.js

intersectionobserver.min.js

lazyload.min.js

icon-base.css