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Report Summary

About Website

Click here to check amazing Bestsellers content for Ukraine. Otherwise, check out these important facts you probably never knew about bestsellers.com.ua

ми здивуємо вас своїм ставленням до клієнта та до кожного замовлення.

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name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.5 s

71/100

10%

bestsellers.com.ua

927 ms

gtm.js

59 ms

9eeb3be3c98eba74bb89ae30e9119bd9.css

756 ms

b80ef2b94b92356b691c9568b39bd2ab.js

851 ms

js

86 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 93% of them (39 requests) were addressed to the original Bestsellers.com.ua, 7% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (991 ms) belongs to the original domain Bestsellers.com.ua.

Content Size

718.4 kB

After Optimization

565.5 kB

In fact, the total size of Bestsellers.com.ua main page is 718.4 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. 30% of websites need less resources to load. Images take 456.1 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 97.5 kB

Original 111.5 kB
After minification 97.3 kB
After compression 14.0 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 14.2 kB, which is 13% 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 97.5 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 23.2 kB

Original 456.1 kB
After minification 432.8 kB

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. Bestsellers images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 14.2 kB

Original 84.6 kB
After minification 84.6 kB
After compression 70.5 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 14.2 kB or 17% of the original size.

CSS Optimization

-27%

Potential reduce by 18.0 kB

Original 66.2 kB
After minification 66.2 kB
After compression 48.2 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. Bestsellers.com.ua needs all CSS files to be minified and compressed as it can save up to 18.0 kB or 27% of the original size.

Requests Now

After Optimization

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bestsellers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

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

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

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

N/A
Language Claimed

UK
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bestsellers.com.ua can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Ukrainian. Our system also found out that Bestsellers.com.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

bestsellers.com.ua

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

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)