Tools & Wizards About Us
heritageauctions.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

heritageauctions.com

Heritage Auctions | World's Largest Collectibles Auctioneer

Page Load Speed

607 ms in total

First Response

48 ms

Resources Loaded

491 ms

Page Rendered

68 ms

heritageauctions.com screenshot

About Website

Visit heritageauctions.com now to see the best up-to-date Heritage Auctions content and also check out these interesting facts you probably never knew about heritageauctions.com

Browse and Find coins, comics, currency, art, luxury handbags, sports memorabilia, wine, historical items, books, real estate, and more at Heritage Auctions.

Visit heritageauctions.com

Key Findings

We analyzed Heritageauctions.com page load time and found that the first response time was 48 ms and then it took 559 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

heritageauctions.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

26/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value1,000 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.4

25/100

15%

TTI (Time to Interactive)

Value10.9 s

21/100

10%

Network Requests Diagram

heritageauctions.com

48 ms

www.ha.com

75 ms

c.js

15 ms

35 ms

index.css

18 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 11% of them (1 request) were addressed to the original Heritageauctions.com, 56% (5 requests) were made to Static.captcha-delivery.com and 11% (1 request) were made to Ha.com. The less responsive or slowest element that took the longest time to load (313 ms) relates to the external source Static.captcha-delivery.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.1 kB (58%)

Content Size

15.8 kB

After Optimization

6.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Heritageauctions.com main page is 15.8 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. Only 10% of websites need less resources to load. Javascripts take 11.0 kB which makes up the majority of the site volume.

HTML Optimization

-40%

Potential reduce by 482 B

  • Original 1.2 kB
  • After minification 1.2 kB
  • After compression 713 B

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 482 B or 40% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.7 kB
  • After minification 1.7 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. Heritage Auctions images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 7.8 kB

  • Original 11.0 kB
  • After minification 11.0 kB
  • After compression 3.1 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 7.8 kB or 72% of the original size.

CSS Optimization

-39%

Potential reduce by 761 B

  • Original 1.9 kB
  • After minification 1.7 kB
  • After compression 1.2 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. Heritageauctions.com needs all CSS files to be minified and compressed as it can save up to 761 B or 39% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heritage Auctions. According to our analytics all requests are already optimized.

Network Requests Diagram

heritageauctions.com

heritageauctions.com

48 ms

www.ha.com

www.ha.com

75 ms

c.js

c.js

15 ms

35 ms

index.css

index.css

18 ms

font-face.css

font-face.css

20 ms

logo.png

logo.png

313 ms

loading_spinner.gif

loading_spinner.gif

313 ms

roboto.woff

roboto.woff

6 ms

Accessibility Review

heritageauctions.com accessibility score

91

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

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

heritageauctions.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

High

Page has valid source maps

SEO Factors

heritageauctions.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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Heritageauctions.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 Heritageauctions.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

heritageauctions.com

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