Tools & Wizards About Us

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

luzar.ru

LUZAR - производство и продажа автомобильных радиаторов и деталей системы охлаждения.

Page Load Speed

3.7 sec in total

First Response

264 ms

Resources Loaded

3 sec

Page Rendered

507 ms

About Website

Click here to check amazing LUZAR content for Russia. Otherwise, check out these important facts you probably never knew about luzar.ru

Производство и реализация деталей системы охлаждения для легковых и легко-грузовых автомобилей | LUZAR

Visit luzar.ru

Key Findings

We analyzed Luzar.ru page load time and found that the first response time was 264 ms and then it took 3.5 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

luzar.ru performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.063

97/100

15%

TTI (Time to Interactive)

Value8.9 s

35/100

10%

Network Requests Diagram

luzar.ru

264 ms

www.luzar.ru

520 ms

core.min.css

183 ms

style.css

184 ms

style.css

193 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 87% of them (80 requests) were addressed to the original Luzar.ru, 4% (4 requests) were made to Mc.yandex.ru and 2% (2 requests) were made to Bitrix.info. The less responsive or slowest element that took the longest time to load (835 ms) belongs to the original domain Luzar.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 354.9 kB (25%)

Content Size

1.4 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Luzar.ru main page is 1.4 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. 60% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 140.9 kB

  • Original 162.8 kB
  • After minification 95.6 kB
  • After compression 22.0 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 67.3 kB, which is 41% 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 140.9 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 46.6 kB

  • Original 1.0 MB
  • After minification 963.2 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. LUZAR images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 45.5 kB

  • Original 94.9 kB
  • After minification 94.9 kB
  • After compression 49.5 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 45.5 kB or 48% of the original size.

CSS Optimization

-77%

Potential reduce by 122.0 kB

  • Original 158.0 kB
  • After minification 153.2 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. Luzar.ru needs all CSS files to be minified and compressed as it can save up to 122.0 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (51%)

Requests Now

88

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LUZAR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

luzar.ru accessibility score

55

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

luzar.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

High

Missing source maps for large first-party JavaScript

SEO Factors

luzar.ru SEO score

69

Search Engine Optimization Advices

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

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 Luzar.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 Luzar.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 LUZAR. 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: