Tools & Wizards About Us
c21nyc.com screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

c21nyc.com

Residential Real Estate Listings - Homes for Sale by Real Estate Agents | CENTURY 21

Page Load Speed

2.1 sec in total

First Response

34 ms

Resources Loaded

1.3 sec

Page Rendered

775 ms

c21nyc.com screenshot

About Website

Click here to check amazing C 21 Nyc content. Otherwise, check out these important facts you probably never knew about c21nyc.com

Use CENTURY 21 to find real estate property listings, houses for sale, real estate agents, and a mortgage calculator. We can assist you with buying or selling a home.

Visit c21nyc.com

Key Findings

We analyzed C21nyc.com page load time and found that the first response time was 34 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

c21nyc.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value16.3 s

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value2,800 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value20.6 s

2/100

10%

Network Requests Diagram

www.century21.com

34 ms

www.century21.com

35 ms

app.0f238dc2.css

17 ms

app-home.13b2ded9.css

42 ms

runtime.ec803f5f.js

41 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original C21nyc.com, 9% (5 requests) were made to Googletagmanager.com and 5% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (568 ms) relates to the external source Code.listtrac.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 96.4 kB (6%)

Content Size

1.7 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of C21nyc.com main page is 1.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 86.7 kB

  • Original 104.2 kB
  • After minification 71.5 kB
  • After compression 17.5 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 32.6 kB, which is 31% 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 86.7 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 5.8 kB

  • Original 1.2 MB
  • After minification 1.2 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. C 21 Nyc images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.7 kB

  • Original 427.0 kB
  • After minification 427.0 kB
  • After compression 423.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 138 B

  • Original 44.4 kB
  • After minification 44.4 kB
  • After compression 44.3 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. C21nyc.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 23 (52%)

Requests Now

44

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of C 21 Nyc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.century21.com

www.century21.com

34 ms

www.century21.com

www.century21.com

35 ms

app.0f238dc2.css

app.0f238dc2.css

17 ms

app-home.13b2ded9.css

app-home.13b2ded9.css

42 ms

runtime.ec803f5f.js

runtime.ec803f5f.js

41 ms

370.c57b6019.js

370.c57b6019.js

85 ms

9041.146673d1.js

9041.146673d1.js

82 ms

app.055c74db.js

app.055c74db.js

90 ms

enterprise.js

enterprise.js

100 ms

app-home.71eec46a.js

app-home.71eec46a.js

89 ms

notice

notice

236 ms

gtm.js

gtm.js

122 ms

century21-logo.svg

century21-logo.svg

14 ms

home-hero-bg.webp

home-hero-bg.webp

17 ms

nearby-markets.jpg

nearby-markets.jpg

24 ms

nearby-markets_mob.jpg

nearby-markets_mob.jpg

26 ms

luxury-contemporary-bedroom-interior@2x.jpg

luxury-contemporary-bedroom-interior@2x.jpg

24 ms

office-building@2x.jpg

office-building@2x.jpg

31 ms

international-real-estate-542@2x.png

international-real-estate-542@2x.png

34 ms

creative-living-room-interior-design@2x.jpg

creative-living-room-interior-design@2x.jpg

24 ms

elegant-businesswoman@2x.jpg

elegant-businesswoman@2x.jpg

38 ms

local-agents.jpg

local-agents.jpg

34 ms

c21_office.jpg

c21_office.jpg

41 ms

ahs-logo-white-sm.png

ahs-logo-white-sm.png

33 ms

layout-nav-icon-saved-empty.svg

layout-nav-icon-saved-empty.svg

38 ms

recaptcha__en.js

recaptcha__en.js

27 ms

js

js

76 ms

bat.js

bat.js

222 ms

roundtrip.js

roundtrip.js

160 ms

destination

destination

160 ms

analytics.js

analytics.js

227 ms

monitor.ashx

monitor.ashx

568 ms

la.js

la.js

229 ms

fbevents.js

fbevents.js

227 ms

TypoldExtended-Medium.woff

TypoldExtended-Medium.woff

166 ms

Typold-Bold.woff

Typold-Bold.woff

166 ms

Typold-Regular.woff

Typold-Regular.woff

165 ms

oakes-light.woff

oakes-light.woff

154 ms

oakes-regular.woff

oakes-regular.woff

166 ms

oakes-medium.woff

oakes-medium.woff

165 ms

oakes-semi-bold.woff

oakes-semi-bold.woff

272 ms

BarlowSemiCondensed-Regular.woff

BarlowSemiCondensed-Regular.woff

271 ms

BarlowSemiCondensed-Medium.woff

BarlowSemiCondensed-Medium.woff

271 ms

147 ms

collect

collect

62 ms

1660237170895659

1660237170895659

249 ms

7JVLHTRZ3NANVNGQMICO27

7JVLHTRZ3NANVNGQMICO27

36 ms

collect

collect

225 ms

js

js

41 ms

js

js

40 ms

205 ms

DPZ44ESQEBFQTDS23MJXKS.js

DPZ44ESQEBFQTDS23MJXKS.js

20 ms

ga-audiences

ga-audiences

66 ms

625197678005881

625197678005881

56 ms

out

out

6 ms

bounce

bounce

59 ms

Accessibility Review

c21nyc.com accessibility score

100

Accessibility Issues

Best Practices

c21nyc.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

c21nyc.com SEO score

100

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise C21nyc.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that C21nyc.com 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

c21nyc.com

Open Graph description is not detected on the main page of C 21 Nyc. 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: