Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

sebeleff.ru

Производство сотового и монолитного поликарбоната в Москве и Московской области | ООО «СЕБЕЛЕФФ ГРУПП»

Page Load Speed

11.2 sec in total

First Response

563 ms

Resources Loaded

6.9 sec

Page Rendered

3.8 sec

sebeleff.ru screenshot

About Website

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

Себелефф - продажа сотового и монолитного поликарбоната, а также комплектующих по выгодным ценам. Гарантия производителя. Доставка по Москве и Московской области

Visit sebeleff.ru

Key Findings

We analyzed Sebeleff.ru page load time and found that the first response time was 563 ms and then it took 10.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

sebeleff.ru performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value1,160 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.064

97/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

sebeleff.ru

563 ms

sebeleff.ru

747 ms

core.min.css

139 ms

template_1ec7c6e81e898f2976d3e33976cb214d_v1.css

386 ms

core.min.js

680 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 59% of them (44 requests) were addressed to the original Sebeleff.ru, 7% (5 requests) were made to Gstatic.com and 5% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Mc.yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 154.7 kB (17%)

Content Size

932.1 kB

After Optimization

777.4 kB

In fact, the total size of Sebeleff.ru main page is 932.1 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 521.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 142.4 kB

  • Original 182.3 kB
  • After minification 159.0 kB
  • After compression 39.9 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 23.3 kB, which is 13% 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 142.4 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 195 B

  • Original 521.2 kB
  • After minification 521.0 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. Sebeleff images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 684 B

  • Original 137.2 kB
  • After minification 137.2 kB
  • After compression 136.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-12%

Potential reduce by 11.4 kB

  • Original 91.4 kB
  • After minification 91.4 kB
  • After compression 80.0 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. Sebeleff.ru needs all CSS files to be minified and compressed as it can save up to 11.4 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (32%)

Requests Now

68

After Optimization

46

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sebeleff. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

sebeleff.ru accessibility score

87

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

button, link, and menuitem elements do not have accessible names.

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

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Best Practices

sebeleff.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sebeleff.ru SEO score

84

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 Sebeleff.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 Sebeleff.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 data is detected on the main page of Sebeleff. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: