Tools & Wizards About Us
backoffice.rmsothebys.com screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

backoffice.rmsothebys.com

Classic Car Auctions | RM Sotheby's | Auction House

Page Load Speed

1.3 sec in total

First Response

77 ms

Resources Loaded

942 ms

Page Rendered

304 ms

backoffice.rmsothebys.com screenshot

About Website

Welcome to backoffice.rmsothebys.com homepage info - get ready to check Backoffice RM Sotheby S best content for United States right away, or after learning these important things about backoffice.rmsothebys.com

RM Sotheby's is the number one classic car auction house in the world. Cars for auction include rare antique, classic, and sports & racing cars.

Visit backoffice.rmsothebys.com

Key Findings

We analyzed Backoffice.rmsothebys.com page load time and found that the first response time was 77 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

backoffice.rmsothebys.com performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value15.1 s

0/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value3,240 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.747

6/100

15%

TTI (Time to Interactive)

Value21.8 s

1/100

10%

Network Requests Diagram

backoffice.rmsothebys.com

77 ms

vcz8tkp.css

43 ms

nanogallery2.min.css

47 ms

ts.js

147 ms

main-css.css.v6

23 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 39% of them (19 requests) were addressed to the original Backoffice.rmsothebys.com, 12% (6 requests) were made to Googletagmanager.com and 6% (3 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (283 ms) relates to the external source Player.vimeo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 916.8 kB (37%)

Content Size

2.5 MB

After Optimization

1.6 MB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Backoffice.rmsothebys.com main page is 2.5 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 83.7 kB

  • Original 95.7 kB
  • After minification 64.0 kB
  • After compression 12.0 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. This page needs HTML code to be minified as it can gain 31.7 kB, which is 33% 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 83.7 kB or 87% of the original size.

JavaScript Optimization

-52%

Potential reduce by 833.1 kB

  • Original 1.6 MB
  • After minification 1.6 MB
  • After compression 782.3 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 833.1 kB or 52% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 779.6 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.

Requests Breakdown

Number of requests can be reduced by 28 (72%)

Requests Now

39

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Backoffice RM Sotheby S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

backoffice.rmsothebys.com

backoffice.rmsothebys.com

77 ms

vcz8tkp.css

vcz8tkp.css

43 ms

nanogallery2.min.css

nanogallery2.min.css

47 ms

ts.js

ts.js

147 ms

main-css.css.v6

main-css.css.v6

23 ms

api.js

api.js

68 ms

marked.min.js

marked.min.js

208 ms

gsap.min.js

gsap.min.js

54 ms

main-js.js.v6

main-js.js.v6

44 ms

braintree-js.js.v6

braintree-js.js.v6

12 ms

angular-js.js.v6

angular-js.js.v6

75 ms

angular-js-s.js.v6

angular-js-s.js.v6

21 ms

angular-js-d.js.v6

angular-js-d.js.v6

34 ms

angular-js-c.js.v6

angular-js-c.js.v6

33 ms

consign-app-mock.js.v6

consign-app-mock.js.v6

32 ms

p.css

p.css

35 ms

gsap.min.js

gsap.min.js

30 ms

gsap.min.js

gsap.min.js

15 ms

tsr.js

tsr.js

233 ms

gtm.js

gtm.js

65 ms

recaptcha__en.js

recaptcha__en.js

193 ms

logo.svg

logo.svg

24 ms

283 ms

cd

cd

123 ms

logo-white.svg

logo-white.svg

12 ms

gotham-book.woff

gotham-book.woff

119 ms

gtm.js

gtm.js

255 ms

cd-js.js.v6

cd-js.js.v6

50 ms

CDWidget.js

CDWidget.js

139 ms

gotham-medium.svg

gotham-medium.svg

90 ms

gotham-black.svg

gotham-black.svg

89 ms

gotham-light.svg

gotham-light.svg

92 ms

icomoon-social.ttf

icomoon-social.ttf

90 ms

icomoon.ttf

icomoon.ttf

89 ms

tsr.js

tsr.js

192 ms

cdform.jquery.js

cdform.jquery.js

115 ms

js

js

37 ms

destination

destination

37 ms

analytics.js

analytics.js

33 ms

fbevents.js

fbevents.js

50 ms

api.js

api.js

42 ms

js

js

58 ms

destination

destination

144 ms

collect

collect

130 ms

collect

collect

130 ms

1617563451842950

1617563451842950

97 ms

56 ms

1812794588770722

1812794588770722

61 ms

17 ms

Accessibility Review

backoffice.rmsothebys.com accessibility score

78

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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

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

backoffice.rmsothebys.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

backoffice.rmsothebys.com SEO score

83

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

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 Backoffice.rmsothebys.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 Backoffice.rmsothebys.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

backoffice.rmsothebys.com

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