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box.rockauto.com screenshot

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

box.rockauto.com

RockAuto

Page Load Speed

846 ms in total

First Response

71 ms

Resources Loaded

685 ms

Page Rendered

90 ms

box.rockauto.com screenshot

About Website

Welcome to box.rockauto.com homepage info - get ready to check Box Rock Auto best content for United States right away, or after learning these important things about box.rockauto.com

RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Easy to use parts catalog.

Visit box.rockauto.com

Key Findings

We analyzed Box.rockauto.com page load time and found that the first response time was 71 ms and then it took 775 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

box.rockauto.com performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.08

94/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

box.rockauto.com

71 ms

www.rockauto.com

190 ms

desktopsprites-min.css

28 ms

desktopcatalogmain.js

113 ms

desktopcatalogmain.css

136 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Box.rockauto.com, 96% (25 requests) were made to Rockauto.com. The less responsive or slowest element that took the longest time to load (256 ms) relates to the external source Rockauto.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 490.1 kB (61%)

Content Size

807.4 kB

After Optimization

317.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Box.rockauto.com main page is 807.4 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. HTML takes 515.8 kB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 480.8 kB

  • Original 515.8 kB
  • After minification 515.8 kB
  • After compression 35.0 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 480.8 kB or 93% of the original size.

Image Optimization

-5%

Potential reduce by 5.5 kB

  • Original 102.0 kB
  • After minification 96.5 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. Box Rock Auto images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 3.2 kB

  • Original 170.8 kB
  • After minification 170.8 kB
  • After compression 167.7 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.

CSS Optimization

-3%

Potential reduce by 616 B

  • Original 18.9 kB
  • After minification 18.9 kB
  • After compression 18.2 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. Box.rockauto.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (33%)

Requests Now

24

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Box Rock Auto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

box.rockauto.com

box.rockauto.com

71 ms

www.rockauto.com

www.rockauto.com

190 ms

desktopsprites-min.css

desktopsprites-min.css

28 ms

desktopcatalogmain.js

desktopcatalogmain.js

113 ms

desktopcatalogmain.css

desktopcatalogmain.css

136 ms

logoDesktop.png

logoDesktop.png

133 ms

CurPromo.png

CurPromo.png

132 ms

questionMark.png

questionMark.png

132 ms

close12_1.gif

close12_1.gif

133 ms

captchaFiller.png

captchaFiller.png

134 ms

1pxtransparent.png

1pxtransparent.png

132 ms

rel_interstitial_loading.gif

rel_interstitial_loading.gif

133 ms

vehicles.png

vehicles.png

133 ms

close.gif

close.gif

134 ms

whatsnew2.jpg

whatsnew2.jpg

256 ms

whatsnew1.jpg

whatsnew1.jpg

134 ms

happy.png

happy.png

134 ms

dda_down_small_black.png

dda_down_small_black.png

130 ms

navigation.png

navigation.png

129 ms

tab_ptr.png

tab_ptr.png

130 ms

magnifier.png

magnifier.png

131 ms

fadeBG.jpg

fadeBG.jpg

130 ms

clear_search.png

clear_search.png

28 ms

pplogo.png

pplogo.png

30 ms

desktopflags.png

desktopflags.png

30 ms

tp.gif

tp.gif

31 ms

Accessibility Review

box.rockauto.com accessibility score

96

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.

Best Practices

box.rockauto.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

box.rockauto.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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Box.rockauto.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Box.rockauto.com main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

box.rockauto.com

Open Graph description is not detected on the main page of Box Rock Auto. 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: