Tools & Wizards About Us
sigma-is.ru screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

sigma-is.ru

Группа компаний СИГМА: системы безопасности, комплексные системы безопасности, пожарная сигнализация, ip-видеонаблюдение.

Page Load Speed

4.5 sec in total

First Response

506 ms

Resources Loaded

3.9 sec

Page Rendered

100 ms

sigma-is.ru screenshot

About Website

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

Группа компаний СИГМА (ГК СИГМА)является разработчиком и производителем комплекса приборов, оборудования и программного обеспечения, предназначенных для создания интегрированных и комплексных систем б...

Visit sigma-is.ru

Key Findings

We analyzed Sigma-is.ru page load time and found that the first response time was 506 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

sigma-is.ru performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.092

91/100

15%

TTI (Time to Interactive)

Value5.2 s

75/100

10%

Network Requests Diagram

sigma-is.ru

506 ms

sigma-is.ru

480 ms

www.sigma-is.ru

825 ms

style.css

117 ms

jqueryslidemenu.css

230 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 91% of them (43 requests) were addressed to the original Sigma-is.ru, 4% (2 requests) were made to Ssl.google-analytics.com and 2% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Sigma-is.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 144.3 kB (40%)

Content Size

358.5 kB

After Optimization

214.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sigma-is.ru main page is 358.5 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 173.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 24.7 kB

  • Original 32.1 kB
  • After minification 31.0 kB
  • After compression 7.4 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 24.7 kB or 77% of the original size.

Image Optimization

-11%

Potential reduce by 19.3 kB

  • Original 173.3 kB
  • After minification 154.0 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. Obviously, Sigma Is needs image optimization as it can save up to 19.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 83.1 kB

  • Original 132.0 kB
  • After minification 113.7 kB
  • After compression 48.9 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 83.1 kB or 63% of the original size.

CSS Optimization

-82%

Potential reduce by 17.3 kB

  • Original 21.1 kB
  • After minification 16.2 kB
  • After compression 3.9 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. Sigma-is.ru needs all CSS files to be minified and compressed as it can save up to 17.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (31%)

Requests Now

42

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sigma Is. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sigma-is.ru

sigma-is.ru

506 ms

sigma-is.ru

sigma-is.ru

480 ms

www.sigma-is.ru

www.sigma-is.ru

825 ms

style.css

style.css

117 ms

jqueryslidemenu.css

jqueryslidemenu.css

230 ms

jquery-1.4.min.js

jquery-1.4.min.js

567 ms

jqueryslidemenu.js

jqueryslidemenu.js

344 ms

thickbox.css

thickbox.css

458 ms

thickbox.js

thickbox.js

557 ms

dw_event.js

dw_event.js

574 ms

dw_scroll.js

dw_scroll.js

599 ms

scroll_controls.js

scroll_controls.js

671 ms

watch.js

watch.js

1 ms

lineleft1.png

lineleft1.png

115 ms

lineright.png

lineright.png

115 ms

headfon.jpg

headfon.jpg

115 ms

logo.png

logo.png

228 ms

flagrus.jpg

flagrus.jpg

229 ms

flageng.jpg

flageng.jpg

229 ms

image002.png

image002.png

229 ms

image001.png

image001.png

290 ms

tblright.jpg

tblright.jpg

341 ms

tbldown.jpg

tbldown.jpg

341 ms

learn_banner_2.gif

learn_banner_2.gif

343 ms

sb.gif

sb.gif

342 ms

spo_id_1.gif

spo_id_1.gif

1090 ms

i13.png

i13.png

454 ms

i21.png

i21.png

456 ms

i31.png

i31.png

457 ms

i11.png

i11.png

458 ms

i22.png

i22.png

567 ms

i23.png

i23.png

568 ms

i12.png

i12.png

569 ms

i32.png

i32.png

570 ms

i33.png

i33.png

680 ms

mainhr.jpg

mainhr.jpg

682 ms

895.jpg

895.jpg

683 ms

894.jpg

894.jpg

683 ms

893.jpg

893.jpg

793 ms

facebook.gif

facebook.gif

794 ms

lj.png

lj.png

795 ms

twitter.gif

twitter.gif

796 ms

ga.js

ga.js

22 ms

loadingAnimation.gif

loadingAnimation.gif

853 ms

__utm.gif

__utm.gif

12 ms

HTTP_PATHerror404URI_EXTENSION

HTTP_PATHerror404URI_EXTENSION

797 ms

counter2

counter2

144 ms

Accessibility Review

sigma-is.ru accessibility score

51

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

sigma-is.ru 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

sigma-is.ru SEO score

67

Search Engine Optimization Advices

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

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sigma-is.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 Sigma-is.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

sigma-is.ru

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