Access 220-on.ru. Продажа и установка готовых систем для автономного, резервного и бесперебойного энергоснабжения. Сол...

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value3,470 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value1.473

0/100

15%

TTI (Time to Interactive)

Value20.7 s

2/100

10%

220-on.ru

654 ms

core.css

136 ms

style.css

276 ms

style.css

284 ms

style.css

279 ms

Our browser made a total of 130 requests to load all elements on the main page. We found that 65% of them (84 requests) were addressed to the original 220-on.ru, 6% (8 requests) were made to Admeo.ru and 5% (7 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain 220-on.ru.

Content Size

1.9 MB

After Optimization

1.1 MB

In fact, the total size of 220-on.ru main page is 1.9 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. 65% of websites need less resources to load. Images take 946.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 44.2 kB

Original 57.3 kB
After minification 53.4 kB
After compression 13.1 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 44.2 kB or 77% of the original size.

Image Optimization

-11%

Potential reduce by 99.6 kB

Original 946.7 kB
After minification 847.1 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. Obviously, 220 On needs image optimization as it can save up to 99.6 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 500.9 kB

Original 698.0 kB
After minification 618.9 kB
After compression 197.1 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 500.9 kB or 72% of the original size.

CSS Optimization

-82%

Potential reduce by 147.5 kB

Original 180.6 kB
After minification 154.3 kB
After compression 33.1 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. 220-on.ru needs all CSS files to be minified and compressed as it can save up to 147.5 kB or 82% of the original size.

Requests Now

115

After Optimization

The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 220 On. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 25 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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

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

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 220-on.ru 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 220-on.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

220-on.ru

Open Graph description is not detected on the main page of 220 On. 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 и установка готовых систем для автономного, резервного и бесперебойного энергоснабжения. Солнечные электростанции и бесперебойные системы элек...

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

220-on.ru

core.css

style.css

style.css

style.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

220-on.ru

core.css

style.css

style.css

style.css

style.css

style.css

style.css

style.css

style.css

style.css

style.css

style.css

styles.css

template_styles.css

core.js

core_ajax.js

session.js

script.js

jquery.degoslider.css

jquery.fancybox.css

jquery.formstyler.css

jquery-1.9.1.min.js

jquery-ui-1.10.4.custom.min.js

jquery.fancybox.js

jquery.mousewheel-3.0.6.pack.js

script.js

jquery.degoslider.js

jquery.formstyler.js

cs.min.js

body_bg.jpg

logo.png

cart_img.png

soc-icon1.png

soc-icon2.png

soc-icon3.png

soc-icon5.png

svdom.png

Action.png

menu_bg.jpg

search.png

bc0d2099c3a2df6cce093f78ae616d33.png

982667a51ea94628b202fa201dd3d2ee.jpg