Tools & Wizards About Us
secure.costargroup.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 70

    SEO

    Google-friendlier than
    29% of websites

secure.costargroup.com

Home | CoStar Group

Page Load Speed

4.7 sec in total

First Response

322 ms

Resources Loaded

2.1 sec

Page Rendered

2.2 sec

secure.costargroup.com screenshot

About Website

Click here to check amazing Secure Co Star Group content for United States. Otherwise, check out these important facts you probably never knew about secure.costargroup.com

CoStar Group, Inc. provides information, analytics and marketing services to the multifamily and commercial real estate industry with leading brands including LoopNet, Apartments.com, LandsofAmerica a...

Visit secure.costargroup.com

Key Findings

We analyzed Secure.costargroup.com page load time and found that the first response time was 322 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

secure.costargroup.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value18.2 s

0/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value800 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.051

99/100

15%

TTI (Time to Interactive)

Value17.6 s

4/100

10%

Network Requests Diagram

www.costargroup.com

322 ms

fbevents.js

39 ms

Telerik.Web.UI.WebResource.axd

172 ms

layout_transformations.css

136 ms

Reset.css

38 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Secure.costargroup.com, 6% (2 requests) were made to Connect.facebook.net and 3% (1 request) were made to Players.brightcove.net. The less responsive or slowest element that took the longest time to load (705 ms) relates to the external source Costargroup.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.2 MB (48%)

Content Size

8.9 MB

After Optimization

4.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Secure.costargroup.com main page is 8.9 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. Only a small number of websites need less resources to load. Images take 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 31.0 kB

  • Original 40.5 kB
  • After minification 32.0 kB
  • After compression 9.5 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 8.5 kB, which is 21% 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 31.0 kB or 77% of the original size.

Image Optimization

-30%

Potential reduce by 1.5 MB

  • Original 5.1 MB
  • After minification 3.6 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. Obviously, Secure Co Star Group needs image optimization as it can save up to 1.5 MB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 2.7 MB

  • Original 3.8 MB
  • After minification 3.8 MB
  • After compression 1.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 2.7 MB or 71% of the original size.

CSS Optimization

-38%

Potential reduce by 16.6 kB

  • Original 43.5 kB
  • After minification 43.1 kB
  • After compression 26.9 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. Secure.costargroup.com needs all CSS files to be minified and compressed as it can save up to 16.6 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (45%)

Requests Now

31

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Secure Co Star Group. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.costargroup.com

www.costargroup.com

322 ms

fbevents.js

fbevents.js

39 ms

Telerik.Web.UI.WebResource.axd

Telerik.Web.UI.WebResource.axd

172 ms

layout_transformations.css

layout_transformations.css

136 ms

Reset.css

Reset.css

38 ms

CoStarGroup.css

CoStarGroup.css

138 ms

video-js.css

video-js.css

136 ms

WebResource.axd

WebResource.axd

193 ms

WebResource.axd

WebResource.axd

215 ms

Telerik.Web.UI.WebResource.axd

Telerik.Web.UI.WebResource.axd

194 ms

ScriptResource.axd

ScriptResource.axd

198 ms

Telerik.Web.UI.WebResource.axd

Telerik.Web.UI.WebResource.axd

705 ms

bootstrap.min.js

bootstrap.min.js

188 ms

costar.js

costar.js

188 ms

demoModal.js

demoModal.js

189 ms

261137424266405

261137424266405

290 ms

costar_group-logo.png

costar_group-logo.png

94 ms

forbes-global-2000@2x-v1.png

forbes-global-2000@2x-v1.png

82 ms

fgc_100_blue_main.png

fgc_100_blue_main.png

81 ms

future_50.jpg

future_50.jpg

277 ms

forbesglobal2000.jpg

forbesglobal2000.jpg

100 ms

home_global.jpg

home_global.jpg

99 ms

home-2.jpg

home-2.jpg

81 ms

fb-wht-32px.png

fb-wht-32px.png

81 ms

in-wht-32px.png

in-wht-32px.png

82 ms

tw-wht-32px.png

tw-wht-32px.png

82 ms

ig-white-logo-32x32.png

ig-white-logo-32x32.png

100 ms

company_hero.jpg

company_hero.jpg

187 ms

index.html

index.html

315 ms

lineto-costar-brown-light.svg

lineto-costar-brown-light.svg

200 ms

lineto-costar-brown-light.woff

lineto-costar-brown-light.woff

51 ms

home-whats_next.jpg

home-whats_next.jpg

176 ms

gtm.js

gtm.js

259 ms

Accessibility Review

secure.costargroup.com accessibility score

73

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 do not match their roles

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

Image elements do not have [alt] attributes

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

secure.costargroup.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

secure.costargroup.com SEO score

70

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

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 Secure.costargroup.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 Secure.costargroup.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

secure.costargroup.com

Open Graph description is not detected on the main page of Secure Co Star Group. 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: