Tools & Wizards About Us
sat-dv.ru screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

sat-dv.ru

Первый интернет-провайдер Амурска - САТ-ДВ

Page Load Speed

4 sec in total

First Response

524 ms

Resources Loaded

3.3 sec

Page Rendered

139 ms

sat-dv.ru screenshot

About Website

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

САТ-ДВ предоставляет доступ к сети Интернет. У нас высокая скорость соединения, доступная стоимость и широкий набор сервисов.

Visit sat-dv.ru

Key Findings

We analyzed Sat-dv.ru page load time and found that the first response time was 524 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

sat-dv.ru performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value9.7 s

10/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.148

76/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

sat-dv.ru

524 ms

app.js

1425 ms

app.css

1665 ms

satlogo-n.png

582 ms

location.png

554 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 75% of them (12 requests) were addressed to the original Sat-dv.ru, 13% (2 requests) were made to Google-analytics.com and 6% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Sat-dv.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 280.4 kB (62%)

Content Size

454.2 kB

After Optimization

173.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sat-dv.ru main page is 454.2 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. 15% of websites need less resources to load. Javascripts take 300.0 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 3.2 kB

  • Original 5.2 kB
  • After minification 5.2 kB
  • After compression 2.1 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 3.2 kB or 60% of the original size.

Image Optimization

-9%

Potential reduce by 3.3 kB

  • Original 37.6 kB
  • After minification 34.3 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. Sat Dv images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 208.4 kB

  • Original 300.0 kB
  • After minification 300.0 kB
  • After compression 91.6 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 208.4 kB or 69% of the original size.

CSS Optimization

-59%

Potential reduce by 65.6 kB

  • Original 111.3 kB
  • After minification 110.6 kB
  • After compression 45.8 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. Sat-dv.ru needs all CSS files to be minified and compressed as it can save up to 65.6 kB or 59% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sat Dv. According to our analytics all requests are already optimized.

Network Requests Diagram

sat-dv.ru

sat-dv.ru

524 ms

app.js

app.js

1425 ms

app.css

app.css

1665 ms

satlogo-n.png

satlogo-n.png

582 ms

location.png

location.png

554 ms

phone.png

phone.png

580 ms

analytics.js

analytics.js

24 ms

chrome.png

chrome.png

372 ms

firefox.png

firefox.png

563 ms

opera.png

opera.png

497 ms

watch.js

watch.js

6 ms

PTS55F-webfont.woff

PTS55F-webfont.woff

773 ms

PTS55F-webfont.woff

PTS55F-webfont.woff

809 ms

PTS75F-webfont.woff

PTS75F-webfont.woff

1074 ms

collect

collect

17 ms

collect

collect

60 ms

Accessibility Review

sat-dv.ru accessibility score

82

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

sat-dv.ru best practices score

67

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

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

sat-dv.ru SEO score

62

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 Sat-dv.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 Sat-dv.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

sat-dv.ru

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