Access 4nb.com.ua. Продажа, установка, замена матриц, клавиатур, блоков питания, аккумуляторных батарей для ноутбуков в...

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.128

82/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

4nb.com.ua

400 ms

www.4nb.com.ua

1293 ms

v_521_353364b40f270211e22a09383fdc7305_all.css

238 ms

css

35 ms

1.jpg

359 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 85% of them (44 requests) were addressed to the original 4nb.com.ua, 4% (2 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain 4nb.com.ua.

Content Size

929.7 kB

After Optimization

808.6 kB

In fact, the total size of 4nb.com.ua main page is 929.7 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. 35% of websites need less resources to load. Images take 589.7 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 85.1 kB

Original 100.3 kB
After minification 100.3 kB
After compression 15.2 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. 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 85.1 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 1.2 kB

Original 589.7 kB
After minification 588.6 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. 4 Nb images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 33.2 kB

Original 204.5 kB
After minification 204.5 kB
After compression 171.3 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 33.2 kB or 16% of the original size.

CSS Optimization

-5%

Potential reduce by 1.6 kB

Original 35.2 kB
After minification 35.2 kB
After compression 33.5 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. 4nb.com.ua has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4 Nb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

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 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

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

Search Engine Optimization Advices

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 4nb.com.ua 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 4nb.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

4nb.com.ua

Open Graph description is not detected on the main page of 4 Nb. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Продажа, установка, замена матриц, клавиатур, блоков питания, аккумуляторных батарей для ноутбуков ведущих мировых брендов - For Notebook

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

4nb.com.ua

www.4nb.com.ua

v_521_353364b40f270211e22a09383fdc7305_all.css

css

1.jpg

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

4nb.com.ua

www.4nb.com.ua

v_521_353364b40f270211e22a09383fdc7305_all.css

css

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2.jpg

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