Tools & Wizards About Us
sigma99.ru screenshot

Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

sigma99.ru

Компьютеры. Компьютеры! Продажа компьютеров. Продажа компьютеров! Цены на компьютеры. Цены на компьютеры! Доставка компьютеров по Москве. Прайс-лист (...

Page Load Speed

3 sec in total

First Response

925 ms

Resources Loaded

1.7 sec

Page Rendered

413 ms

sigma99.ru screenshot

About Website

Welcome to sigma99.ru homepage info - get ready to check Sigma 99 best content for Russia right away, or after learning these important things about sigma99.ru

sigma99.ru - Компьютеры, компьютеры, компьютеры!!! Продажа компьютеров. Продажа компьютеров! А также комплектующие, мониторы, ноутбуки, оргтехника. ДОСТАВКА компьютеров по Москве БЕСПЛАТНО! Подберем о...

Visit sigma99.ru

Key Findings

We analyzed Sigma99.ru page load time and found that the first response time was 925 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

sigma99.ru performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

92/100

25%

SI (Speed Index)

Value3.4 s

90/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

sigma99.ru

925 ms

main.css

255 ms

top100.cnt

131 ms

top100.cnt

246 ms

sigma_logo_90x34.gif

265 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 50% of them (14 requests) were addressed to the original Sigma99.ru, 11% (3 requests) were made to Pagead2.googlesyndication.com and 7% (2 requests) were made to Counter.rambler.ru. The less responsive or slowest element that took the longest time to load (925 ms) belongs to the original domain Sigma99.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 377.4 kB (56%)

Content Size

669.0 kB

After Optimization

291.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sigma99.ru main page is 669.0 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. Only 10% of websites need less resources to load. Javascripts take 580.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 56.7 kB

  • Original 71.0 kB
  • After minification 70.6 kB
  • After compression 14.3 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 56.7 kB or 80% of the original size.

Image Optimization

-14%

Potential reduce by 2.4 kB

  • Original 17.4 kB
  • After minification 15.1 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. Obviously, Sigma 99 needs image optimization as it can save up to 2.4 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-55%

Potential reduce by 318.1 kB

  • Original 580.3 kB
  • After minification 580.3 kB
  • After compression 262.1 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 318.1 kB or 55% of the original size.

CSS Optimization

-92%

Potential reduce by 301 B

  • Original 328 B
  • After minification 27 B
  • After compression 27 B

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. Sigma99.ru needs all CSS files to be minified and compressed as it can save up to 301 B or 92% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (15%)

Requests Now

20

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sigma 99. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sigma99.ru

sigma99.ru

925 ms

main.css

main.css

255 ms

top100.cnt

top100.cnt

131 ms

top100.cnt

top100.cnt

246 ms

sigma_logo_90x34.gif

sigma_logo_90x34.gif

265 ms

computer_1.jpg

computer_1.jpg

266 ms

show_ads.js

show_ads.js

68 ms

go.php

go.php

254 ms

colors-it.jpg

colors-it.jpg

256 ms

linkworld_2.jpg

linkworld_2.jpg

263 ms

inwin_2.jpg

inwin_2.jpg

266 ms

windows.jpg

windows.jpg

267 ms

tft15_2.jpg

tft15_2.jpg

381 ms

tft17.jpg

tft17.jpg

382 ms

top100.cnt

top100.cnt

521 ms

sigma_map_sm.gif

sigma_map_sm.gif

263 ms

price.gif

price.gif

263 ms

257 ms

adsbygoogle.js

adsbygoogle.js

117 ms

229 ms

i.gif

i.gif

65 ms

w2.gif

w2.gif

432 ms

sigma.gif

sigma.gif

138 ms

count

count

648 ms

show_ads_impl.js

show_ads_impl.js

315 ms

aci.js

aci.js

651 ms

counter2

counter2

141 ms

counter2

counter2

129 ms

Accessibility Review

sigma99.ru accessibility score

42

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

sigma99.ru best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

SEO Factors

sigma99.ru SEO score

58

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

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sigma99.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 Sigma99.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

sigma99.ru

Open Graph description is not detected on the main page of Sigma 99. 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: