Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

siemon.su

Siemon - cтруктурированные кабельные системы и решения для ЦОД

Page Load Speed

6.9 sec in total

First Response

1.2 sec

Resources Loaded

5.2 sec

Page Rendered

559 ms

siemon.su screenshot

About Website

Welcome to siemon.su homepage info - get ready to check Siemon best content for Russia right away, or after learning these important things about siemon.su

Visit siemon.su

Key Findings

We analyzed Siemon.su page load time and found that the first response time was 1.2 sec and then it took 5.8 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

siemon.su performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value6.5 s

38/100

10%

TBT (Total Blocking Time)

Value530 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0.157

74/100

15%

TTI (Time to Interactive)

Value10.0 s

26/100

10%

Network Requests Diagram

siemon.su

1153 ms

style.css

179 ms

style.css

377 ms

style.css

378 ms

styles.css

382 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 79% of them (42 requests) were addressed to the original Siemon.su, 9% (5 requests) were made to Icsgroup.ru and 4% (2 requests) were made to Bitrix.info. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source Icsgroup.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 239.6 kB (26%)

Content Size

926.0 kB

After Optimization

686.4 kB

In fact, the total size of Siemon.su main page is 926.0 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. 35% of websites need less resources to load. Images take 615.7 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 26.5 kB

  • Original 35.5 kB
  • After minification 34.0 kB
  • After compression 9.0 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 26.5 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 23.4 kB

  • Original 615.7 kB
  • After minification 592.3 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. Siemon images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 177.3 kB

  • Original 258.2 kB
  • After minification 230.3 kB
  • After compression 80.9 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 177.3 kB or 69% of the original size.

CSS Optimization

-74%

Potential reduce by 12.3 kB

  • Original 16.5 kB
  • After minification 13.1 kB
  • After compression 4.2 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. Siemon.su needs all CSS files to be minified and compressed as it can save up to 12.3 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (45%)

Requests Now

51

After Optimization

28

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Siemon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

siemon.su accessibility score

45

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Heading elements are not in a sequentially-descending order

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

<input type="image"> elements do not have [alt] text

High

Links do not have a discernible name

Best Practices

siemon.su 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

High

Missing source maps for large first-party JavaScript

SEO Factors

siemon.su SEO score

54

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

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 Siemon.su 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 Siemon.su 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 Siemon. 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: