Access nelk.ru. ЗАО НПЦ Фирма "НЕЛК"

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value140 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value4.5 s

83/100

10%

nelk.ru

566 ms

nelk.ru

735 ms

style.min.css

123 ms

style.css

246 ms

font-awesome.min.css

366 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 92% of them (92 requests) were addressed to the original Nelk.ru, 3% (3 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Bitrix.info. The less responsive or slowest element that took the longest time to load (4.9 sec) belongs to the original domain Nelk.ru.

Content Size

9.5 MB

After Optimization

2.6 MB

In fact, the total size of Nelk.ru main page is 9.5 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. 60% of websites need less resources to load. Images take 9.1 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 215.8 kB

Original 246.2 kB
After minification 200.4 kB
After compression 30.3 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 45.8 kB, which is 19% 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 215.8 kB or 88% of the original size.

Image Optimization

-73%

Potential reduce by 6.6 MB

Original 9.1 MB
After minification 2.5 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, Nelk needs image optimization as it can save up to 6.6 MB or 73% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-57%

Potential reduce by 3.8 kB

Original 6.7 kB
After minification 6.7 kB
After compression 2.9 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 3.8 kB or 57% of the original size.

CSS Optimization

-4%

Potential reduce by 5.5 kB

Original 141.3 kB
After minification 141.3 kB
After compression 135.8 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. Nelk.ru has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nelk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 18 to 1 for CSS 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 keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

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

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

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

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

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 Nelk.ru 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 Nelk.ru 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

nelk.ru

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

ЗАО НПЦ Фирма "НЕЛК"

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

nelk.ru

nelk.ru

style.min.css

style.css

font-awesome.min.css

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

nelk.ru

nelk.ru

style.min.css

style.css

font-awesome.min.css

slick.css

bootstrap.css

jquery.fancybox.min.css

styles.min.css

xzoom.min.css

animation_ext.css

jquery.mCustomScrollbar.min.css

ajax.min.css

styles.css

template_styles.min.css

theme.min.css

media.min.css

custom.css

delivery.min.css

css

5fe0dbb37783455ff60e6c96138d7679.png

core.min.js

kernel_main_v1.js

dexie3.bundle.min.js

core_ls.min.js

core_frame_cache.min.js

protobuf.min.js

model.min.js

rest.client.min.js

pull.client.min.js

jquery-3.6.0.min.js

ajax.min.js

currency-core.bundle.min.js

core_currency.min.js

template_be68154d98921b1a57dce05f79d70f10_v1.js

js

logo.svg

mail-icon.svg

phone-icon.svg

udcq9zcce25dnok34cb7w7yauqrja2z1.svg

29z7gifacbj6pqyq8g8gpx9qe65k9i2i.svg

1dq1vrzn904dutju9o2vkkiw1vuw6zlu.svg

wgu2jydgdmtuaxhjcuvlb3guvfbdfds0.svg