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lederon.ru screenshot

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 105.3 kB (13%)

Content Size

787.2 kB

After Optimization

681.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lederon.ru main page is 787.2 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

-42%

Potential reduce by 54.9 kB

  • Original 132.1 kB
  • After minification 109.2 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 54.9 kB or 42% 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

  • AJAX
  • Images
  • JavaScript
  • CSS

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.

Network Requests Diagram

lederon.ru

lederon.ru

767 ms

www.lederon.ru

www.lederon.ru

2218 ms

style.css

style.css

257 ms

jquery.fancybox.css

jquery.fancybox.css

249 ms

jquery.fancybox-thumbs.css

jquery.fancybox-thumbs.css

251 ms

jquery.min.js

jquery.min.js

8 ms

jquery.infieldlabel.js

jquery.infieldlabel.js

251 ms

magic.js

magic.js

251 ms

jquery.fancybox.js

jquery.fancybox.js

508 ms

jquery.fancybox-thumbs.js

jquery.fancybox-thumbs.js

372 ms

jquery.mousewheel-3.0.6.pack.js

jquery.mousewheel-3.0.6.pack.js

373 ms

user.js

user.js

375 ms

widget.js

widget.js

25 ms

logo.png

logo.png

132 ms

icon_whatsapp.png

icon_whatsapp.png

130 ms

icon_vk-tel.png

icon_vk-tel.png

133 ms

icon_viber.png

icon_viber.png

131 ms

center_block_link_1_new.jpg

center_block_link_1_new.jpg

255 ms

bg-main-batton.png

bg-main-batton.png

131 ms

center_block_link_2_new.jpg

center_block_link_2_new.jpg

377 ms

center_block_link_3_new.jpg

center_block_link_3_new.jpg

628 ms

center_block_link_4_new.jpg

center_block_link_4_new.jpg

259 ms

search-arrow.jpg

search-arrow.jpg

256 ms

bg-cat-pdf.png

bg-cat-pdf.png

259 ms

bg-cat-main.png

bg-cat-main.png

378 ms

banner_purp_main.jpg

banner_purp_main.jpg

750 ms

LD-YFML.jpg

LD-YFML.jpg

386 ms

more.jpg

more.jpg

387 ms

600mm-t8-led-tube-lamp.jpg

600mm-t8-led-tube-lamp.jpg

503 ms

300na300.jpg

300na300.jpg

504 ms

img_promishlenie-svetilniki.jpg

img_promishlenie-svetilniki.jpg

515 ms

4.8-3.jpg

4.8-3.jpg

515 ms

ld_profil_01.jpg

ld_profil_01.jpg

627 ms

acsses.jpg

acsses.jpg

629 ms

lampa.jpg

lampa.jpg

642 ms

svet.jpg

svet.jpg

643 ms

1px-footer.png

1px-footer.png

751 ms

mail.png

mail.png

752 ms

J2IY8bdcRx

J2IY8bdcRx

681 ms

hit

hit

269 ms

watch.js

watch.js

8 ms

analytics.js

analytics.js

11 ms

1px-header-navigation-active.png

1px-header-navigation-active.png

727 ms

collect

collect

27 ms

js

js

60 ms

hit

hit

539 ms

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

lederon.ru

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: