Tools & Wizards About Us
century21.ru screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

century21.ru

CENTURY 21: купить, снять, продать, сдать недвижимость

Page Load Speed

17.8 sec in total

First Response

502 ms

Resources Loaded

17 sec

Page Rendered

290 ms

century21.ru screenshot

About Website

Welcome to century21.ru homepage info - get ready to check CENTURY 21 best content for Russia right away, or after learning these important things about century21.ru

Лучшие предложения первичной и вторичной недвижимости на официальном сайте Century 21 Россия.

Visit century21.ru

Key Findings

We analyzed Century21.ru page load time and found that the first response time was 502 ms and then it took 17.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

century21.ru performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value24.4 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value1,510 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.955

3/100

15%

TTI (Time to Interactive)

Value22.5 s

1/100

10%

Network Requests Diagram

century21.ru

502 ms

www.century21.ru

673 ms

page_0a557a18de6a125397b1c3fe338c1cb0.css

344 ms

template_25322aa1bc1de57075dc9eb2836507bb.css

516 ms

logo.png

322 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 78% of them (56 requests) were addressed to the original Century21.ru, 6% (4 requests) were made to Yastatic.net and 3% (2 requests) were made to Bitrix.info. The less responsive or slowest element that took the longest time to load (16 sec) belongs to the original domain Century21.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 400.4 kB (14%)

Content Size

2.9 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Century21.ru main page is 2.9 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. 60% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 143.6 kB

  • Original 174.2 kB
  • After minification 136.8 kB
  • After compression 30.7 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. This page needs HTML code to be minified as it can gain 37.5 kB, which is 22% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 143.6 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 91.8 kB

  • Original 2.5 MB
  • After minification 2.4 MB

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. CENTURY 21 images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 88.8 kB

  • Original 133.2 kB
  • After minification 117.3 kB
  • After compression 44.4 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 88.8 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 76.3 kB

  • Original 91.0 kB
  • After minification 78.4 kB
  • After compression 14.7 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. Century21.ru needs all CSS files to be minified and compressed as it can save up to 76.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (40%)

Requests Now

63

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CENTURY 21. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

century21.ru

century21.ru

502 ms

www.century21.ru

www.century21.ru

673 ms

page_0a557a18de6a125397b1c3fe338c1cb0.css

page_0a557a18de6a125397b1c3fe338c1cb0.css

344 ms

template_25322aa1bc1de57075dc9eb2836507bb.css

template_25322aa1bc1de57075dc9eb2836507bb.css

516 ms

logo.png

logo.png

322 ms

yard-1024.jpg

yard-1024.jpg

16036 ms

sofa-1024.jpg

sofa-1024.jpg

1353 ms

dog-1024.jpg

dog-1024.jpg

1209 ms

woman-1024.jpg

woman-1024.jpg

2674 ms

blank.gif

blank.gif

936 ms

orange

orange

909 ms

html5shiv.min.js

html5shiv.min.js

899 ms

respond.min.js

respond.min.js

901 ms

template_2b2893bddb28e8729af4186d3f5794cc.js

template_2b2893bddb28e8729af4186d3f5794cc.js

1318 ms

page_f134fb67b9c0bb51c9551fb644b8eb09.js

page_f134fb67b9c0bb51c9551fb644b8eb09.js

902 ms

jquery.autocomplete.js

jquery.autocomplete.js

904 ms

share.js

share.js

1261 ms

classList.js

classList.js

936 ms

jquery.placeholder.js

jquery.placeholder.js

1042 ms

raf.png

raf.png

1034 ms

logo-rgr.png

logo-rgr.png

1167 ms

sprite-search.png

sprite-search.png

1207 ms

sprite-work.png

sprite-work.png

1210 ms

sprite-plus.png

sprite-plus.png

1211 ms

sprite-checkbox.png

sprite-checkbox.png

1212 ms

white-search.png

white-search.png

1218 ms

sprite-sale.png

sprite-sale.png

1225 ms

object-label-sprite.png

object-label-sprite.png

2011 ms

left-arrow.png

left-arrow.png

1225 ms

right-arrow.png

right-arrow.png

1975 ms

map.jpg

map.jpg

1971 ms

point.png

point.png

1210 ms

main-carier-clip.jpg

main-carier-clip.jpg

1960 ms

main-school-clip.jpg

main-school-clip.jpg

2079 ms

4-aprelya.jpg

4-aprelya.jpg

1991 ms

1-aprelya.jpg

1-aprelya.jpg

2079 ms

31-marta.jpg

31-marta.jpg

2212 ms

news_2016_fb_0065.jpg

news_2016_fb_0065.jpg

2197 ms

news_2016_fb_0066.jpg

news_2016_fb_0066.jpg

2078 ms

news_2016_fb_0064.jpg

news_2016_fb_0064.jpg

2209 ms

main-network-clip.jpg

main-network-clip.jpg

10197 ms

century21_global_logo.png

century21_global_logo.png

2209 ms

sprite-social.png

sprite-social.png

2116 ms

sprite-close.png

sprite-close.png

2111 ms

AgoraSansProRegular.woff

AgoraSansProRegular.woff

3579 ms

AgoraSansProLight.woff

AgoraSansProLight.woff

2872 ms

AgoraSansProBold.woff

AgoraSansProBold.woff

4315 ms

AgoraSansProItalic.woff

AgoraSansProItalic.woff

3086 ms

AgoraSansProMedium.woff

AgoraSansProMedium.woff

3687 ms

ba.js

ba.js

748 ms

watch.js

watch.js

717 ms

analytics.js

analytics.js

737 ms

frame.html

frame.html

368 ms

preview_5706e33070876_66160.jpg

preview_5706e33070876_66160.jpg

1595 ms

preview_5706f6de14941_178487.jpg

preview_5706f6de14941_178487.jpg

1739 ms

preview_57071ef4e2054_171464.jpg

preview_57071ef4e2054_171464.jpg

1922 ms

preview_5706f8909223e_154984.jpg

preview_5706f8909223e_154984.jpg

2071 ms

preview_56e9eeda71419_133530.jpg

preview_56e9eeda71419_133530.jpg

2062 ms

preview_5707560861a43_188132.jpg

preview_5707560861a43_188132.jpg

2176 ms

preview_57071eee0a628_169269.jpg

preview_57071eee0a628_169269.jpg

2234 ms

preview_5706fad7eeac0_168074.jpg

preview_5706fad7eeac0_168074.jpg

2249 ms

3244 ms

collect

collect

71 ms

bx_stat

bx_stat

1316 ms

es5-shims.min.js

es5-shims.min.js

43 ms

frame.js

frame.js

149 ms

collect

collect

267 ms

fql.query

fql.query

1016 ms

share.php

share.php

1408 ms

dk

dk

4196 ms

2025 ms

share

share

1325 ms

Accessibility Review

century21.ru accessibility score

58

Accessibility Issues

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

High

Links do not have a discernible name

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

century21.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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

century21.ru SEO score

71

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Century21.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Century21.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

century21.ru

Open Graph data is detected on the main page of CENTURY 21. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: