Tools & Wizards About Us

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

invertor.ru

Преобразователь напряжения МАП "Энергия", инвертор 12В/24В/48В в →220 В, источник бесперебойного питания, UPS, автономное электроснабжение

Page Load Speed

19.2 sec in total

First Response

534 ms

Resources Loaded

7.8 sec

Page Rendered

10.9 sec

About Website

Welcome to invertor.ru homepage info - get ready to check Invertor best content for Russia right away, or after learning these important things about invertor.ru

МАП Энергия - преобрaзователь нaпряжения, инвертор 12В/24В/48В в 220 В. Официальный сайт.

Visit invertor.ru

Key Findings

We analyzed Invertor.ru page load time and found that the first response time was 534 ms and then it took 18.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

invertor.ru performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value49.3 s

0/100

25%

SI (Speed Index)

Value26.6 s

0/100

10%

TBT (Total Blocking Time)

Value2,010 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.245

51/100

15%

TTI (Time to Interactive)

Value53.1 s

0/100

10%

Network Requests Diagram

invertor.ru

534 ms

www.invertor.ru

960 ms

js

58 ms

invertor.css

513 ms

lightbox-main.css

259 ms

Our browser made a total of 207 requests to load all elements on the main page. We found that 88% of them (183 requests) were addressed to the original Invertor.ru, 3% (6 requests) were made to Youtube.com and 1% (3 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Invertor.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.0 MB (6%)

Content Size

32.4 MB

After Optimization

30.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Invertor.ru main page is 32.4 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. Only a small number of websites need less resources to load. Images take 31.9 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 123.8 kB

  • Original 158.7 kB
  • After minification 156.1 kB
  • After compression 34.9 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 123.8 kB or 78% of the original size.

Image Optimization

-6%

Potential reduce by 1.8 MB

  • Original 31.9 MB
  • After minification 30.0 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. Invertor images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.6 kB

  • Original 250.0 kB
  • After minification 250.0 kB
  • After compression 247.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-34%

Potential reduce by 34.9 kB

  • Original 101.9 kB
  • After minification 94.2 kB
  • After compression 66.9 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. Invertor.ru needs all CSS files to be minified and compressed as it can save up to 34.9 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (6%)

Requests Now

188

After Optimization

176

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 188 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Invertor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

invertor.ru accessibility score

75

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

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

Names and labels

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.

Impact

Issue

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

invertor.ru best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

invertor.ru SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Invertor.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 Invertor.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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