Tools & Wizards About Us
tecelux.ru screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

tecelux.ru

Интернет-магазин Elsen - оборудование для отопления и водоснабжения

Page Load Speed

5.8 sec in total

First Response

487 ms

Resources Loaded

5 sec

Page Rendered

324 ms

tecelux.ru screenshot

About Website

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

Интернет-магазин Elsen - трубы, фитинги, коллекторы, панельные радиаторы и другое оборудование для отопления и водоснабжения. ✈ Быстрая доставка по Москве и по всей России

Visit tecelux.ru

Key Findings

We analyzed Tecelux.ru page load time and found that the first response time was 487 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

tecelux.ru performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value17.8 s

4/100

10%

Network Requests Diagram

tecelux.ru

487 ms

www.tecelux.ru

1163 ms

font-awesome.min.css

279 ms

bootstrap.min.css

698 ms

app.min.css

1441 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 90% of them (36 requests) were addressed to the original Tecelux.ru, 3% (1 request) were made to Api-maps.yandex.ru and 3% (1 request) were made to Yastatic.net. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Yastatic.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 959.1 kB (75%)

Content Size

1.3 MB

After Optimization

325.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tecelux.ru main page is 1.3 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. 35% of websites need less resources to load. CSS take 603.0 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 98.2 kB

  • Original 110.1 kB
  • After minification 91.9 kB
  • After compression 11.9 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 18.2 kB, which is 17% 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 98.2 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 28.1 kB
  • After minification 28.1 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. Tecelux images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 328.4 kB

  • Original 543.8 kB
  • After minification 541.8 kB
  • After compression 215.4 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 328.4 kB or 60% of the original size.

CSS Optimization

-88%

Potential reduce by 532.5 kB

  • Original 603.0 kB
  • After minification 488.4 kB
  • After compression 70.4 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. Tecelux.ru needs all CSS files to be minified and compressed as it can save up to 532.5 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (49%)

Requests Now

35

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tecelux. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tecelux.ru

tecelux.ru

487 ms

www.tecelux.ru

www.tecelux.ru

1163 ms

font-awesome.min.css

font-awesome.min.css

279 ms

bootstrap.min.css

bootstrap.min.css

698 ms

app.min.css

app.min.css

1441 ms

sdek.css

sdek.css

363 ms

jquery.min.js

jquery.min.js

709 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

709 ms

swiper.min.js

swiper.min.js

682 ms

readmore.min.js

readmore.min.js

514 ms

jquery.countdown.min.js

jquery.countdown.min.js

662 ms

css-vars-ponyfill.min.js

css-vars-ponyfill.min.js

937 ms

sticky-kit.min.js

sticky-kit.min.js

827 ms

priority-nav.min.js

priority-nav.min.js

844 ms

matchMedia.min.js

matchMedia.min.js

853 ms

bootstrap.min.js

bootstrap.min.js

899 ms

app.min.js

app.min.js

1078 ms

725 ms

sdek.js

sdek.js

991 ms

full-834306d5db5f8be221970cfe95d51754b7962be8.js

full-834306d5db5f8be221970cfe95d51754b7962be8.js

1839 ms

tag.js

tag.js

1006 ms

sprite.svg

sprite.svg

649 ms

logo.gif

logo.gif

260 ms

denn4-250x250.gif

denn4-250x250.gif

592 ms

denn5-250x250.gif

denn5-250x250.gif

496 ms

denn6-250x250.gif

denn6-250x250.gif

189 ms

denn9-250x250.gif

denn9-250x250.gif

389 ms

denn11-250x250.gif

denn11-250x250.gif

356 ms

denn12-250x250.gif

denn12-250x250.gif

643 ms

denn18-250x250.gif

denn18-250x250.gif

538 ms

denn19-250x250.gif

denn19-250x250.gif

667 ms

tecelux-logo.gif

tecelux-logo.gif

647 ms

den358.jpeg

den358.jpeg

685 ms

den359.jpeg

den359.jpeg

737 ms

den360.jpeg

den360.jpeg

793 ms

den362.jpeg

den362.jpeg

793 ms

Roboto-Regular.woff

Roboto-Regular.woff

868 ms

Roboto-Medium.woff

Roboto-Medium.woff

976 ms

Roboto-Bold.woff

Roboto-Bold.woff

885 ms

advert.gif

advert.gif

700 ms

Accessibility Review

tecelux.ru accessibility score

88

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

tecelux.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

Page has valid source maps

SEO Factors

tecelux.ru SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Tecelux.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 Tecelux.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

tecelux.ru

Open Graph description is not detected on the main page of Tecelux. 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: