Tools & Wizards About Us
rainbow-center.ru screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

rainbow-center.ru

Пылесос Rainbow - официальный сайт в России. Доставка по Москве и регионам

Page Load Speed

23.2 sec in total

First Response

590 ms

Resources Loaded

21.9 sec

Page Rendered

741 ms

rainbow-center.ru screenshot

About Website

Visit rainbow-center.ru now to see the best up-to-date Rainbow Center content for Russia and also check out these interesting facts you probably never knew about rainbow-center.ru

Официальный сайт пылесосов Rainbow. Бесплатная доставка по Москве и России. Бесплатная демонстрация в домах и офисах. Расширенные гарантии, аксессуары, запчасти к пылесосу Рейнбоу.

Visit rainbow-center.ru

Key Findings

We analyzed Rainbow-center.ru page load time and found that the first response time was 590 ms and then it took 22.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

rainbow-center.ru performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value51.6 s

0/100

10%

TBT (Total Blocking Time)

Value54,280 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.538

14/100

15%

TTI (Time to Interactive)

Value97.5 s

0/100

10%

Network Requests Diagram

rainbow-center.ru

590 ms

main.css

333 ms

jquery-ui-1.8.23.custom.css

497 ms

rq_styles.css

339 ms

jquery-1.8.0.min.js

501 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 74% of them (37 requests) were addressed to the original Rainbow-center.ru, 6% (3 requests) were made to Mc.yandex.ru and 4% (2 requests) were made to Counter.rambler.ru. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Mc.yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 290.4 kB (27%)

Content Size

1.1 MB

After Optimization

805.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rainbow-center.ru main page is 1.1 MB. 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 679.4 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 19.1 kB

  • Original 26.7 kB
  • After minification 24.4 kB
  • After compression 7.6 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 19.1 kB or 72% of the original size.

Image Optimization

-2%

Potential reduce by 16.9 kB

  • Original 679.4 kB
  • After minification 662.5 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. Rainbow Center images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 217.6 kB

  • Original 344.7 kB
  • After minification 344.5 kB
  • After compression 127.1 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 217.6 kB or 63% of the original size.

CSS Optimization

-83%

Potential reduce by 36.8 kB

  • Original 44.5 kB
  • After minification 37.9 kB
  • After compression 7.8 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. Rainbow-center.ru needs all CSS files to be minified and compressed as it can save up to 36.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (42%)

Requests Now

43

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rainbow Center. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

rainbow-center.ru

rainbow-center.ru

590 ms

main.css

main.css

333 ms

jquery-ui-1.8.23.custom.css

jquery-ui-1.8.23.custom.css

497 ms

rq_styles.css

rq_styles.css

339 ms

jquery-1.8.0.min.js

jquery-1.8.0.min.js

501 ms

jquery-ui-1.8.23.custom.min.js

jquery-ui-1.8.23.custom.min.js

668 ms

request_call.js

request_call.js

347 ms

conversion.js

conversion.js

22 ms

watch.js

watch.js

4 ms

phone.js

phone.js

174 ms

top100.jcn

top100.jcn

411 ms

phone.js

phone.js

20098 ms

ga.js

ga.js

29 ms

bg_body.gif

bg_body.gif

176 ms

phone_add.png

phone_add.png

501 ms

help_index.png

help_index.png

540 ms

bg_container-out.jpg

bg_container-out.jpg

195 ms

bg_container.jpg

bg_container.jpg

1160 ms

logo.gif

logo.gif

212 ms

bg_li.gif

bg_li.gif

207 ms

bg_li-bottom.gif

bg_li-bottom.gif

211 ms

bg_li-left.gif

bg_li-left.gif

332 ms

bg_li-right.gif

bg_li-right.gif

392 ms

bg_phone.gif

bg_phone.gif

392 ms

bg11.png

bg11.png

801 ms

bg12.png

bg12.png

799 ms

bg3-i.jpg

bg3-i.jpg

490 ms

protiv-astmi.png

protiv-astmi.png

801 ms

bg_manager.gif

bg_manager.gif

572 ms

bg_top.gif

bg_top.gif

668 ms

bg_bottom.gif

bg_bottom.gif

789 ms

bg_input.gif

bg_input.gif

876 ms

bg_textarea.gif

bg_textarea.gif

984 ms

button.gif

button.gif

995 ms

1333438381_obmen1.png

1333438381_obmen1.png

1388 ms

rainbow_1.gif

rainbow_1.gif

1192 ms

li.gif

li.gif

1055 ms

certification1.png

certification1.png

1140 ms

certification2.png

certification2.png

1161 ms

certification3.png

certification3.png

1391 ms

baner-rainbow.jpg

baner-rainbow.jpg

3606 ms

i.png

i.png

1309 ms

social.png

social.png

1367 ms

93 ms

__utm.gif

__utm.gif

23 ms

top100.scn

top100.scn

133 ms

collect

collect

116 ms

78 ms

ui-bg_glass_85_dfeffc_1x400.png

ui-bg_glass_85_dfeffc_1x400.png

512 ms

ui-bg_inset-hard_100_fcfdfd_1x100.png

ui-bg_inset-hard_100_fcfdfd_1x100.png

991 ms

Accessibility Review

rainbow-center.ru accessibility score

85

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

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

Best Practices

rainbow-center.ru best practices score

75

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

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

rainbow-center.ru SEO score

86

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

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

    WINDOWS-1251

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

rainbow-center.ru

Open Graph description is not detected on the main page of Rainbow Center. 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: