Tools & Wizards About Us
c21v.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

c21v.com

Columbia SC Real Estate

Page Load Speed

1.7 sec in total

First Response

19 ms

Resources Loaded

1.2 sec

Page Rendered

501 ms

c21v.com screenshot

About Website

Welcome to c21v.com homepage info - get ready to check C 21 V best content right away, or after learning these important things about c21v.com

Century 21 Vanguard offers real estate sales and services for homes and condos in Columbia, SC. See why you should choose us as your Columbia Realtors.

Visit c21v.com

Key Findings

We analyzed C21v.com page load time and found that the first response time was 19 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

c21v.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value6.9 s

34/100

10%

TBT (Total Blocking Time)

Value2,420 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.138

79/100

15%

TTI (Time to Interactive)

Value18.6 s

3/100

10%

Network Requests Diagram

c21v.com

19 ms

www.columbiarealestateforsale.com

329 ms

css2

42 ms

css

59 ms

js

125 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original C21v.com, 29% (12 requests) were made to T3.realgeeks.media and 15% (6 requests) were made to Cdn.realgeeks.com. The less responsive or slowest element that took the longest time to load (524 ms) relates to the external source Columbiarealestateforsale.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 179.9 kB (10%)

Content Size

1.9 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of C21v.com main page is 1.9 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. 55% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 156.0 kB

  • Original 193.6 kB
  • After minification 185.0 kB
  • After compression 37.6 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 156.0 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 2.5 kB

  • Original 556.6 kB
  • After minification 554.1 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. C 21 V images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 127 B

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 1.0 MB

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

-22%

Potential reduce by 21.3 kB

  • Original 95.8 kB
  • After minification 95.8 kB
  • After compression 74.5 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. C21v.com needs all CSS files to be minified and compressed as it can save up to 21.3 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (45%)

Requests Now

38

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of C 21 V. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

c21v.com

c21v.com

19 ms

www.columbiarealestateforsale.com

www.columbiarealestateforsale.com

329 ms

css2

css2

42 ms

css

css

59 ms

js

js

125 ms

element.js

element.js

52 ms

89d8bbdddcdd.js

89d8bbdddcdd.js

104 ms

fbevents.js

fbevents.js

106 ms

vanguard-logo.jpg

vanguard-logo.jpg

156 ms

columbia-city-pic.jpg

columbia-city-pic.jpg

251 ms

valuation_v4.min.js

valuation_v4.min.js

259 ms

columbiarealestateforsale%252Ffacebook_ads_images%252FFacebook_Icon.png

columbiarealestateforsale%252Ffacebook_ads_images%252FFacebook_Icon.png

236 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

216 ms

map.jpg

map.jpg

239 ms

e35c06b5c1cc52269ea6faefec9cc5bf.jpg

e35c06b5c1cc52269ea6faefec9cc5bf.jpg

123 ms

f08a3a87b30c1f704196880760e3387c.jpg

f08a3a87b30c1f704196880760e3387c.jpg

138 ms

84ef691cd20afcca515b5e6b2a2a7b0b.jpg

84ef691cd20afcca515b5e6b2a2a7b0b.jpg

137 ms

d6bbeae269c05cbadae643e29f71aec8.jpg

d6bbeae269c05cbadae643e29f71aec8.jpg

138 ms

1df70ecd4c1079cfaf35f76011e26c5f.jpg

1df70ecd4c1079cfaf35f76011e26c5f.jpg

140 ms

f2f86fdd4e2ef49ae0b3af39fbeb7229.jpg

f2f86fdd4e2ef49ae0b3af39fbeb7229.jpg

140 ms

72cee97280586f89fb048a67c62a7611.jpg

72cee97280586f89fb048a67c62a7611.jpg

210 ms

b0ed735863327b397763ef76e81e6716.jpg

b0ed735863327b397763ef76e81e6716.jpg

209 ms

3a65c02362658f37dd463325c317d6c4.jpg

3a65c02362658f37dd463325c317d6c4.jpg

213 ms

5b4cf78d41b7c82f12f569fb87096467.jpg

5b4cf78d41b7c82f12f569fb87096467.jpg

210 ms

Lake_Carolina_Landscape.jpg

Lake_Carolina_Landscape.jpg

236 ms

columbiarealestateforsale%252Ffacebook_ads_images%252FInstagram_Logo.jpeg

columbiarealestateforsale%252Ffacebook_ads_images%252FInstagram_Logo.jpeg

234 ms

columbiarealestateforsale%252Ffacebook_ads_images%252FPinterest_Icon.png

columbiarealestateforsale%252Ffacebook_ads_images%252FPinterest_Icon.png

235 ms

all.min.css

all.min.css

201 ms

miranda-thin.css

miranda-thin.css

524 ms

99 ms

valuation-widget.min.css

valuation-widget.min.css

3 ms

modernizr.js

modernizr.js

19 ms

html5shiv.min.js

html5shiv.min.js

33 ms

60aa7534398d.js

60aa7534398d.js

38 ms

js

js

101 ms

3b8b402216ae.js

3b8b402216ae.js

40 ms

loading.gif

loading.gif

12 ms

rg.min.js

rg.min.js

5 ms

jquery-3.7.1.min.js

jquery-3.7.1.min.js

8 ms

widgets.min.css

widgets.min.css

3 ms

fa-brands-400.ttf

fa-brands-400.ttf

9 ms

Accessibility Review

c21v.com accessibility score

79

Accessibility Issues

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-*] attributes are not valid or misspelled

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.

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

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

c21v.com 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

c21v.com SEO score

99

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

High

Tap targets are not sized appropriately

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 C21v.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 C21v.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

c21v.com

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