Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

blackbook.net

Powering the Auto Industry with Precise Automotive Data

Page Load Speed

944 ms in total

First Response

22 ms

Resources Loaded

713 ms

Page Rendered

209 ms

blackbook.net screenshot

About Website

Visit blackbook.net now to see the best up-to-date Blackbook content and also check out these interesting facts you probably never knew about blackbook.net

Helping dealers, auto finance, lenders, OEMs, & more reduce risk and increase profit since 1955 with precise automotive data and analytics.

Visit blackbook.net

Key Findings

We analyzed Blackbook.net page load time and found that the first response time was 22 ms and then it took 922 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

blackbook.net performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

blackbook.net

22 ms

www.blackbookauto.com

398 ms

css

27 ms

html5shiv.js

10 ms

reset.css

10 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Blackbook.net, 70% (28 requests) were made to Blackbookauto.com and 8% (3 requests) were made to Metrix.meritmile.com. The less responsive or slowest element that took the longest time to load (398 ms) relates to the external source Blackbookauto.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 230.0 kB (10%)

Content Size

2.3 MB

After Optimization

2.1 MB

In fact, the total size of Blackbook.net main page is 2.3 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. 40% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 20.4 kB

  • Original 25.7 kB
  • After minification 22.5 kB
  • After compression 5.4 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 3.2 kB, which is 12% 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 20.4 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 35.9 kB

  • Original 2.0 MB
  • After minification 2.0 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. Blackbook images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 131.5 kB

  • Original 189.8 kB
  • After minification 166.5 kB
  • After compression 58.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 131.5 kB or 69% of the original size.

CSS Optimization

-82%

Potential reduce by 42.3 kB

  • Original 51.5 kB
  • After minification 41.0 kB
  • After compression 9.3 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. Blackbook.net needs all CSS files to be minified and compressed as it can save up to 42.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (36%)

Requests Now

36

After Optimization

23

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blackbook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

blackbook.net accessibility score

95

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

Some elements have a [tabindex] value greater than 0

Best Practices

blackbook.net best practices score

92

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

SEO Factors

blackbook.net SEO score

93

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

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 Blackbook.net 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 Blackbook.net 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

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