Access znaj.by. Агрегатор онлайн-курсов — лучшие курсы по IT, маркетингу, дизайну и аналитике

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value670 ms

44/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

znaj.by

237 ms

znaj.by

655 ms

css

848 ms

main

1197 ms

znaj-logo-white-1.svg

123 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that all of those requests were addressed to Znaj.by and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Znaj.by.

Content Size

1.3 MB

After Optimization

1.2 MB

In fact, the total size of Znaj.by main page is 1.3 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. 50% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 73.8 kB

Original 88.2 kB
After minification 67.1 kB
After compression 14.5 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 21.1 kB, which is 24% 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 73.8 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 58.9 kB

Original 1.2 MB
After minification 1.2 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. Znaj images are well optimized though.

Requests Now

After Optimization

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Znaj. According to our analytics all requests are already optimized.

Accessibility Issues

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 the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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

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 Znaj.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 Znaj.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

znaj.by

Open Graph data is detected on the main page of Znaj. 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

Агрегатор онлайн-курсов — лучшие курсы по IT, маркетингу, дизайну и аналитике

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

znaj.by

znaj.by

css

main

znaj-logo-white-1.svg

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

znaj.by

znaj.by

css

main

znaj-logo-white-1.svg

Google-Play.svg

App-Store.svg

AppGallery.svg

viber_logo.svg

youtube_logo.svg

telegram_logo.svg

1440%D1%85250.png

1.svg

2.svg

3.svg

4.svg

ornament.svg

20up.svg

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15up.svg

ornament_lg.svg

2_1.png

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ornament_footer_top.svg

welcome-page-wrapper.jpg

icon_menu-level-1.svg

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ProximaNova-Regular.otf

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