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driverbase.com screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

driverbase.com

New and Used Cars For Sale, Reviews, Photos - Driverbase

Page Load Speed

553 ms in total

First Response

9 ms

Resources Loaded

303 ms

Page Rendered

241 ms

driverbase.com screenshot

About Website

Click here to check amazing Driverbase content for United States. Otherwise, check out these important facts you probably never knew about driverbase.com

Discover used cars and new cars for sale at Driverbase. Our Vehicle Graph tracks all the cars, trucks, and suvs so buying your next new car or used car is simple.

Visit driverbase.com

Key Findings

We analyzed Driverbase.com page load time and found that the first response time was 9 ms and then it took 544 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

driverbase.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value4.4 s

73/100

10%

TBT (Total Blocking Time)

Value3,220 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.063

97/100

15%

TTI (Time to Interactive)

Value17.4 s

4/100

10%

Network Requests Diagram

driverbase.com

9 ms

driverbase.com

41 ms

bootstrap-3.3.6.min.css

13 ms

db.17.css

22 ms

jquery-2.2.4.min.js

24 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 96% of them (45 requests) were addressed to the original Driverbase.com, 2% (1 request) were made to Googletagmanager.com and 2% (1 request) were made to Ads.adthrive.com. The less responsive or slowest element that took the longest time to load (194 ms) relates to the external source Ads.adthrive.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 98.0 kB (14%)

Content Size

707.7 kB

After Optimization

609.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Driverbase.com main page is 707.7 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. 50% of websites need less resources to load. Images take 442.4 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 82.9 kB

  • Original 94.8 kB
  • After minification 79.1 kB
  • After compression 11.9 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 15.7 kB, which is 17% 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 82.9 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 11.8 kB

  • Original 442.4 kB
  • After minification 430.6 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. Driverbase images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 3.3 kB

  • Original 170.5 kB
  • After minification 170.4 kB
  • After compression 167.2 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.

Requests Breakdown

Number of requests can be reduced by 27 (61%)

Requests Now

44

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Driverbase. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

driverbase.com

driverbase.com

9 ms

driverbase.com

driverbase.com

41 ms

bootstrap-3.3.6.min.css

bootstrap-3.3.6.min.css

13 ms

db.17.css

db.17.css

22 ms

jquery-2.2.4.min.js

jquery-2.2.4.min.js

24 ms

jquery.touchSwipe.min.js

jquery.touchSwipe.min.js

24 ms

spin.css

spin.css

23 ms

loading_spinner_helper.1.js

loading_spinner_helper.1.js

52 ms

spin.js

spin.js

55 ms

make_model_select.3.js

make_model_select.3.js

56 ms

app.2.js

app.2.js

54 ms

bootstrap-toggle.min.css

bootstrap-toggle.min.css

56 ms

typeahead.css

typeahead.css

56 ms

select2.min.css

select2.min.css

59 ms

datatables.min.css

datatables.min.css

57 ms

stripe.css

stripe.css

57 ms

nouislider.min.1.css

nouislider.min.1.css

58 ms

jquery.lazyload.min.js

jquery.lazyload.min.js

64 ms

bootstrap-3.3.6.min.js

bootstrap-3.3.6.min.js

65 ms

bootstrap-toggle.min.js

bootstrap-toggle.min.js

64 ms

bloodhound.min.js

bloodhound.min.js

69 ms

typeahead.bundle.min.js

typeahead.bundle.min.js

72 ms

typeahead.jquery.min.js

typeahead.jquery.min.js

70 ms

db.js

db.js

70 ms

autoNumeric.min.js

autoNumeric.min.js

78 ms

select2.min.js

select2.min.js

77 ms

js.cookie.js

js.cookie.js

75 ms

nouislider.min.js

nouislider.min.js

76 ms

wNumb.js

wNumb.js

76 ms

gtm.js

gtm.js

161 ms

ads.min.js

ads.min.js

194 ms

cars-for-sale.png

cars-for-sale.png

139 ms

hero-suv.png

hero-suv.png

139 ms

2020-Volkswagen-Atlas-Basecamp-Concept-SUV-at-the-New-York-Auto-Show-233-of-356-thumbopt.png

2020-Volkswagen-Atlas-Basecamp-Concept-SUV-at-the-New-York-Auto-Show-233-of-356-thumbopt.png

132 ms

2020-Honda-HR-V-Touring-AWD-at-the-2019-LA-Auto-Show-2695-thumb.jpeg

2020-Honda-HR-V-Touring-AWD-at-the-2019-LA-Auto-Show-2695-thumb.jpeg

124 ms

2020-Toyota-Tacoma-TRD-Pro-at-the-2019-New-York-Auto-Show-270-of-356-thumb.png

2020-Toyota-Tacoma-TRD-Pro-at-the-2019-New-York-Auto-Show-270-of-356-thumb.png

114 ms

2020-Subaru-Legacy-Touring-XT-at-the-2019-LA-Auto-Show-2850-thumb.jpeg

2020-Subaru-Legacy-Touring-XT-at-the-2019-LA-Auto-Show-2850-thumb.jpeg

112 ms

Download_on_the_App_Store_Badge_US-UK_RGB_blk_0929173.png

Download_on_the_App_Store_Badge_US-UK_RGB_blk_0929173.png

134 ms

google-play-badge-db.png

google-play-badge-db.png

135 ms

logo-rss.png

logo-rss.png

139 ms

logo-instagram.png

logo-instagram.png

173 ms

logo-facebook.png

logo-facebook.png

171 ms

logo-linkedin.png

logo-linkedin.png

175 ms

logo-twitter.png

logo-twitter.png

172 ms

logo-pinterest.png

logo-pinterest.png

175 ms

usa-sm.png

usa-sm.png

173 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

66 ms

Accessibility Review

driverbase.com accessibility score

71

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

Image elements do not have [alt] attributes

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

driverbase.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

driverbase.com SEO score

91

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

Image elements do not have [alt] attributes

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 Driverbase.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 Driverbase.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

driverbase.com

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