Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

kvzr.ru

Завод промышленных паровых и водогрейных котлов

Page Load Speed

4.2 sec in total

First Response

872 ms

Resources Loaded

2.3 sec

Page Rendered

988 ms

kvzr.ru screenshot

About Website

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

Котельный завод "РЭП" - официальный сайт - производство паровых котлов марки SteamExpert и водогрейных котлов HeatExpert, котельно-вспомогательного оборудования

Visit kvzr.ru

Key Findings

We analyzed Kvzr.ru page load time and found that the first response time was 872 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

kvzr.ru performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value760 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value6.1 s

64/100

10%

Network Requests Diagram

www.kvzr.ru

872 ms

boots.css

497 ms

main_new.css

595 ms

fonts.css

507 ms

logo.svg

96 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 32% of them (7 requests) were addressed to the original Kvzr.ru, 55% (12 requests) were made to Cdn-css.kvzr.ru and 9% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (872 ms) belongs to the original domain Kvzr.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 112.8 kB (17%)

Content Size

670.3 kB

After Optimization

557.5 kB

In fact, the total size of Kvzr.ru main page is 670.3 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. 30% of websites need less resources to load. Images take 377.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 112.7 kB

  • Original 134.5 kB
  • After minification 133.8 kB
  • After compression 21.8 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 112.7 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 377.6 kB
  • After minification 377.6 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. Kvzr images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 58 B

  • Original 122.2 kB
  • After minification 122.2 kB
  • After compression 122.2 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

-0%

Potential reduce by 67 B

  • Original 36.0 kB
  • After minification 36.0 kB
  • After compression 36.0 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. Kvzr.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (25%)

Requests Now

12

After Optimization

9

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kvzr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kvzr.ru accessibility score

97

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.

Best Practices

kvzr.ru best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

kvzr.ru SEO score

99

Search Engine Optimization Advices

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

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kvzr.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 Kvzr.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 data is detected on the main page of Kvzr. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: