Tools & Wizards About Us
nada.com screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    76% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

nada.com

Consumer Vehicle Values | NADA

Page Load Speed

8.6 sec in total

First Response

124 ms

Resources Loaded

4.8 sec

Page Rendered

3.6 sec

nada.com screenshot

About Website

Visit nada.com now to see the best up-to-date NADA content for United States and also check out these interesting facts you probably never knew about nada.com

Research new and used car book values, trade-in values, ratings, specs and photos.

Visit nada.com

Key Findings

We analyzed Nada.com page load time and found that the first response time was 124 ms and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

nada.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value1.8 s

100/100

10%

TBT (Total Blocking Time)

Value460 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.454

20/100

15%

TTI (Time to Interactive)

Value3.9 s

88/100

10%

Network Requests Diagram

nada.com

124 ms

www.nada.com

199 ms

bootstrap.min.css

217 ms

styles.css

133 ms

satelliteLib-458261f49c3947121de266db016298c74e966809.js

803 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 41% of them (9 requests) were addressed to the original Nada.com, 14% (3 requests) were made to Google-analytics.com and 9% (2 requests) were made to Assets.adobedtm.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Ssl.google-analytics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 504.6 kB (58%)

Content Size

867.3 kB

After Optimization

362.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nada.com main page is 867.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Javascripts take 535.4 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 4.8 kB

  • Original 7.0 kB
  • After minification 5.5 kB
  • After compression 2.2 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 1.4 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 4.8 kB or 69% of the original size.

Image Optimization

-3%

Potential reduce by 4.0 kB

  • Original 155.0 kB
  • After minification 151.0 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. NADA images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 353.0 kB

  • Original 535.4 kB
  • After minification 504.5 kB
  • After compression 182.4 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 353.0 kB or 66% of the original size.

CSS Optimization

-84%

Potential reduce by 142.8 kB

  • Original 169.9 kB
  • After minification 154.4 kB
  • After compression 27.1 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. Nada.com needs all CSS files to be minified and compressed as it can save up to 142.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (33%)

Requests Now

18

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NADA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

nada.com

nada.com

124 ms

www.nada.com

www.nada.com

199 ms

bootstrap.min.css

bootstrap.min.css

217 ms

styles.css

styles.css

133 ms

satelliteLib-458261f49c3947121de266db016298c74e966809.js

satelliteLib-458261f49c3947121de266db016298c74e966809.js

803 ms

jquery.min.js

jquery.min.js

636 ms

ga.js

ga.js

2030 ms

bootstrap.min.js

bootstrap.min.js

505 ms

analytics.js

analytics.js

672 ms

logo-nada-guides.png

logo-nada-guides.png

656 ms

logo-nada-used-car-guide.png

logo-nada-used-car-guide.png

636 ms

NADAlogo_Portal1.png

NADAlogo_Portal1.png

636 ms

alternate_gothic_no3_d.ttf

alternate_gothic_no3_d.ttf

224 ms

collect

collect

1029 ms

d2a.ads

d2a.ads

351 ms

__utm.gif

__utm.gif

311 ms

s-code-contents-89abb41712c54984555d28e8c6a3871f0ee491fc.js

s-code-contents-89abb41712c54984555d28e8c6a3871f0ee491fc.js

107 ms

collect

collect

619 ms

1

1

585 ms

d2r.ads

d2r.ads

409 ms

s75961593708489

s75961593708489

359 ms

s77509672222658

s77509672222658

30 ms

Accessibility Review

nada.com accessibility score

73

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

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

nada.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nada.com 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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nada.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Nada.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

nada.com

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