Report Summary

  • 71

    Performance

    Renders faster than
    82% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

luch.ru

Приборы для неразрушающего контроля: дефектоскопы, толщиномеры, твердомеры - НПК Луч

Page Load Speed

5.6 sec in total

First Response

908 ms

Resources Loaded

3.9 sec

Page Rendered

809 ms

luch.ru screenshot

About Website

Visit luch.ru now to see the best up-to-date Luch content for Russia and also check out these interesting facts you probably never knew about luch.ru

Разрабатываем и выпускаем приборы неразрушающего контроля. Дефектоскопы, толщиномеры, твердомеры.

Visit luch.ru

Key Findings

We analyzed Luch.ru page load time and found that the first response time was 908 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

luch.ru performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

news.php

908 ms

styles.css

663 ms

jquery.js

1067 ms

jscript.js

534 ms

jquery.min.js

1066 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 89% of them (48 requests) were addressed to the original Luch.ru, 4% (2 requests) were made to Counter.yadro.ru and 4% (2 requests) were made to Top-fwz1.mail.ru. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Luch.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 190.9 kB (11%)

Content Size

1.7 MB

After Optimization

1.5 MB

In fact, the total size of Luch.ru main page is 1.7 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. 15% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 37.0 kB

  • Original 47.3 kB
  • After minification 44.9 kB
  • After compression 10.3 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 37.0 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 16.6 kB

  • Original 1.5 MB
  • After minification 1.4 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. Luch images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 125.8 kB

  • Original 190.9 kB
  • After minification 186.0 kB
  • After compression 65.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 125.8 kB or 66% of the original size.

CSS Optimization

-79%

Potential reduce by 11.5 kB

  • Original 14.6 kB
  • After minification 10.9 kB
  • After compression 3.0 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. Luch.ru needs all CSS files to be minified and compressed as it can save up to 11.5 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (21%)

Requests Now

52

After Optimization

41

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Luch. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

luch.ru accessibility score

56

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

luch.ru best practices score

50

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

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

SEO Factors

luch.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

    RU

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Luch.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 Luch.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 Luch. 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: