Tools & Wizards About Us

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

double-a.ru

Double-A - Создание и продвижение сайтов в Барнауле

Page Load Speed

3 sec in total

First Response

588 ms

Resources Loaded

2.4 sec

Page Rendered

94 ms

About Website

Click here to check amazing Double A content for Russia. Otherwise, check out these important facts you probably never knew about double-a.ru

Создание сайтов-визиток, интернет-магазинов, а также высоконагруженных информационных порталов в Барнауле

Visit double-a.ru

Key Findings

We analyzed Double-a.ru page load time and found that the first response time was 588 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

double-a.ru performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

double-a.ru

588 ms

bootstrap.min.css

240 ms

jquery.js

347 ms

lightbox.min.js

239 ms

bootstrap.min.js

274 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 88% of them (14 requests) were addressed to the original Double-a.ru, 6% (1 request) were made to Informer.yandex.ru and 6% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (620 ms) belongs to the original domain Double-a.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.4 kB (15%)

Content Size

179.5 kB

After Optimization

152.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Double-a.ru main page is 179.5 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. 20% of websites need less resources to load. Images take 76.4 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 12.9 kB

  • Original 17.6 kB
  • After minification 17.0 kB
  • After compression 4.7 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 12.9 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 307 B

  • Original 76.4 kB
  • After minification 76.1 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. Double A images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 8.5 kB

  • Original 56.3 kB
  • After minification 56.3 kB
  • After compression 47.9 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 8.5 kB or 15% of the original size.

CSS Optimization

-20%

Potential reduce by 5.7 kB

  • Original 29.2 kB
  • After minification 29.2 kB
  • After compression 23.4 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. Double-a.ru needs all CSS files to be minified and compressed as it can save up to 5.7 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (27%)

Requests Now

11

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Double A. 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

Accessibility Review

double-a.ru accessibility score

88

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

Links do not have a discernible name

Best Practices

double-a.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

SEO Factors

double-a.ru SEO score

92

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

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 Double-a.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 Double-a.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 Double A. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: