Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

lederon.ru

ООО ЛедерОн - производство и продажа профессионального светодиодного оборудования

Page Load Speed

5.2 sec in total

First Response

767 ms

Resources Loaded

4.3 sec

Page Rendered

138 ms

lederon.ru screenshot

About Website

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

Производство светодиодной продукции: светодиодные ленты, светильники, прожекторы, фонари и лампы. Широкий ассортимент, оптовая и розничная продажа, сотрудничество с дилерами.

Visit lederon.ru

Key Findings

We analyzed Lederon.ru page load time and found that the first response time was 767 ms and then it took 4.5 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

lederon.ru performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0.135

80/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

lederon.ru

767 ms

www.lederon.ru

2218 ms

style.css

257 ms

jquery.fancybox.css

249 ms

jquery.fancybox-thumbs.css

251 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 80% of them (37 requests) were addressed to the original Lederon.ru, 4% (2 requests) were made to Code.jivosite.com and 4% (2 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Lederon.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 166.3 kB (20%)

Content Size

848.1 kB

After Optimization

681.9 kB

In fact, the total size of Lederon.ru main page is 848.1 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. 25% of websites need less resources to load. Images take 596.0 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 14.2 kB

  • Original 18.2 kB
  • After minification 17.0 kB
  • After compression 4.1 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 14.2 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 3.5 kB

  • Original 596.0 kB
  • After minification 592.4 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. Lederon images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 115.9 kB

  • Original 193.1 kB
  • After minification 170.1 kB
  • After compression 77.2 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 115.9 kB or 60% of the original size.

CSS Optimization

-80%

Potential reduce by 32.7 kB

  • Original 40.9 kB
  • After minification 32.0 kB
  • After compression 8.2 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. Lederon.ru needs all CSS files to be minified and compressed as it can save up to 32.7 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (24%)

Requests Now

42

After Optimization

32

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lederon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

lederon.ru accessibility score

70

Accessibility Issues

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

lederon.ru best practices score

67

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

SEO Factors

lederon.ru SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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 Lederon.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 Lederon.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 Lederon. 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: