Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

invertis.ru

Монтаж систем кондиционирования и вентиляции - Инвертис

Page Load Speed

3.8 sec in total

First Response

560 ms

Resources Loaded

3 sec

Page Rendered

257 ms

About Website

Click here to check amazing Invertis content. Otherwise, check out these important facts you probably never knew about invertis.ru

Компания "Инвертис". Продажа, установка и обслуживание бытовых, полупромышленных кондиционеров, а также VRF и VRV систем. Монтаж систем кондиционирования и вентиляции - Инвертис. Наш телефон в Москве:...

Visit invertis.ru

Key Findings

We analyzed Invertis.ru page load time and found that the first response time was 560 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

invertis.ru performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value2.9 s

94/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.078

95/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

invertis.ru

560 ms

default.css

287 ms

gallery.css

296 ms

desktop.css

296 ms

jquery.min.js

54 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 84% of them (53 requests) were addressed to the original Invertis.ru, 6% (4 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Invertis.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 36.3 kB (5%)

Content Size

699.5 kB

After Optimization

663.2 kB

In fact, the total size of Invertis.ru main page is 699.5 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 601.9 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 21.7 kB

  • Original 30.2 kB
  • After minification 30.1 kB
  • After compression 8.5 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 21.7 kB or 72% of the original size.

Image Optimization

-2%

Potential reduce by 10.1 kB

  • Original 601.9 kB
  • After minification 591.8 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. Invertis images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 3.2 kB

  • Original 57.6 kB
  • After minification 57.6 kB
  • After compression 54.4 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

-13%

Potential reduce by 1.3 kB

  • Original 9.8 kB
  • After minification 9.8 kB
  • After compression 8.5 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. Invertis.ru needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (41%)

Requests Now

56

After Optimization

33

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Invertis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

invertis.ru accessibility score

83

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

invertis.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

invertis.ru SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

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 Invertis.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 Invertis.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

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