Tools & Wizards About Us
dugglebystephenson.com screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

dugglebystephenson.com

Duggleby Stephenson | Auctioneers & Valuers | Auction House

Page Load Speed

7.3 sec in total

First Response

276 ms

Resources Loaded

3.3 sec

Page Rendered

3.8 sec

dugglebystephenson.com screenshot

About Website

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

Welcome to Duggleby Stephenson Auctioneers & Valuers. Discover upcoming auctions, expert valuations, and our specialist services for art, antiques, jewellery, and collectibles.

Visit dugglebystephenson.com

Key Findings

We analyzed Dugglebystephenson.com page load time and found that the first response time was 276 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

dugglebystephenson.com performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value11,150 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.264

47/100

15%

TTI (Time to Interactive)

Value24.1 s

0/100

10%

Network Requests Diagram

dugglebystephenson.com

276 ms

www.dugglebystephenson.com

364 ms

www.davidduggleby.com

868 ms

swiper-bundle.min.css

51 ms

swiper-bundle.min.js

61 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Dugglebystephenson.com, 85% (85 requests) were made to Davidduggleby.com and 4% (4 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Davidduggleby.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 514.5 kB (4%)

Content Size

13.0 MB

After Optimization

12.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dugglebystephenson.com main page is 13.0 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. 80% 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. Images take 12.5 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 360.6 kB

  • Original 416.5 kB
  • After minification 220.8 kB
  • After compression 55.9 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 195.7 kB, which is 47% 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 360.6 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 148.1 kB

  • Original 12.5 MB
  • After minification 12.4 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. Duggleby Stephenson images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 3.5 kB

  • Original 81.3 kB
  • After minification 81.3 kB
  • After compression 77.8 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

-22%

Potential reduce by 2.3 kB

  • Original 10.2 kB
  • After minification 10.2 kB
  • After compression 7.9 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. Dugglebystephenson.com needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (27%)

Requests Now

91

After Optimization

66

  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duggleby Stephenson. 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 as a result speed up the page load time.

Network Requests Diagram

dugglebystephenson.com

dugglebystephenson.com

276 ms

www.dugglebystephenson.com

www.dugglebystephenson.com

364 ms

www.davidduggleby.com

www.davidduggleby.com

868 ms

swiper-bundle.min.css

swiper-bundle.min.css

51 ms

swiper-bundle.min.js

swiper-bundle.min.js

61 ms

output.css

output.css

226 ms

swiper-bundle.min.css

swiper-bundle.min.css

25 ms

swiper-bundle.min.css

swiper-bundle.min.css

18 ms

swiper-bundle.min.js

swiper-bundle.min.js

18 ms

WebResource.axd

WebResource.axd

155 ms

ScriptResource.axd

ScriptResource.axd

174 ms

ScriptResource.axd

ScriptResource.axd

231 ms

ScriptResource.axd

ScriptResource.axd

250 ms

ScriptResource.axd

ScriptResource.axd

308 ms

ScriptResource.axd

ScriptResource.axd

313 ms

ScriptResource.axd

ScriptResource.axd

316 ms

ScriptResource.axd

ScriptResource.axd

317 ms

ScriptResource.axd

ScriptResource.axd

316 ms

ScriptResource.axd

ScriptResource.axd

325 ms

ScriptResource.axd

ScriptResource.axd

382 ms

ScriptResource.axd

ScriptResource.axd

389 ms

ScriptResource.axd

ScriptResource.axd

391 ms

ScriptResource.axd

ScriptResource.axd

390 ms

ScriptResource.axd

ScriptResource.axd

394 ms

ScriptResource.axd

ScriptResource.axd

400 ms

ScriptResource.axd

ScriptResource.axd

458 ms

scripts.js

scripts.js

498 ms

swiper-bundle.min.js

swiper-bundle.min.js

6 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

49 ms

jquery-ui.min.js

jquery-ui.min.js

56 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

46 ms

lazysizes.min.js

lazysizes.min.js

57 ms

fbevents.js

fbevents.js

27 ms

logo-david-duggleby-icon-blue.svg

logo-david-duggleby-icon-blue.svg

914 ms

arrow-right.png

arrow-right.png

423 ms

icon-account.svg

icon-account.svg

424 ms

icon-burger.svg

icon-burger.svg

427 ms

Browse_Categories.jpg

Browse_Categories.jpg

495 ms

Make_an_Offer_V3.jpg

Make_an_Offer_V3.jpg

496 ms

DS_FJ_061024.jpg

DS_FJ_061024.jpg

496 ms

DD_101024.jpg

DD_101024.jpg

496 ms

Jewellery.jpg

Jewellery.jpg

774 ms

Furniture.jpg

Furniture.jpg

978 ms

Art.jpg

Art.jpg

1147 ms

Silver.jpg

Silver.jpg

977 ms

Ceramics.jpg

Ceramics.jpg

976 ms

Militaria.jpg

Militaria.jpg

978 ms

ds_fj_021024sq2.jpg

ds_fj_021024sq2.jpg

990 ms

Furniture_Website_square_980_x_980_px.jpg

Furniture_Website_square_980_x_980_px.jpg

997 ms

DD101024sq.jpg

DD101024sq.jpg

998 ms

silver_square.jpg

silver_square.jpg

1000 ms

affordable_art_101024_thumbnail.jpg

affordable_art_101024_thumbnail.jpg

940 ms

DACS_111024_Thumbnail.JPG

DACS_111024_Thumbnail.JPG

983 ms

affordable_antiques_square.jpg

affordable_antiques_square.jpg

928 ms

Copgrove_181024_Thumbnail.JPG

Copgrove_181024_Thumbnail.JPG

915 ms

Music.jpg

Music.jpg

860 ms

IMG_3839.jpeg

IMG_3839.jpeg

856 ms

Website_square_980_x_980_px.jpg

Website_square_980_x_980_px.jpg

920 ms

Persian_Rugs_Placeholder_Thumb.jpg

Persian_Rugs_Placeholder_Thumb.jpg

929 ms

DD_Cameras_Thumbnail_-_Placeholder.jpg

DD_Cameras_Thumbnail_-_Placeholder.jpg

928 ms

DD_Fossils_Thumbnail_-_Placeholder.jpg

DD_Fossils_Thumbnail_-_Placeholder.jpg

922 ms

DD_Furniture_Sale_Thumbnail.jpg

DD_Furniture_Sale_Thumbnail.jpg

868 ms

DD_311024.jpg

DD_311024.jpg

919 ms

DD_Affordable_Art_Thumbnail_-_Placeholder.jpg

DD_Affordable_Art_Thumbnail_-_Placeholder.jpg

919 ms

DD_DACS_Thumbnail_-_Placeholder.jpg

DD_DACS_Thumbnail_-_Placeholder.jpg

928 ms

DD_CC_Thumbnail_-_Placeholder.jpg

DD_CC_Thumbnail_-_Placeholder.jpg

928 ms

DS_Coins_Thumbnail_-_Placeholder.jpg

DS_Coins_Thumbnail_-_Placeholder.jpg

924 ms

DS_Jewellery_Thumbnail_-_Placeholder.jpg

DS_Jewellery_Thumbnail_-_Placeholder.jpg

821 ms

DS_DACS_Thumbnail_-_Placeholder.jpg

DS_DACS_Thumbnail_-_Placeholder.jpg

883 ms

DS_CC_Thumbnail_-_Placeholder.jpg

DS_CC_Thumbnail_-_Placeholder.jpg

883 ms

DS_Affordable_Art_Thumbnail_-_Placeholder.jpg

DS_Affordable_Art_Thumbnail_-_Placeholder.jpg

888 ms

DS_Furniture_Thumbnail_-_Placeholder.jpg

DS_Furniture_Thumbnail_-_Placeholder.jpg

823 ms

garden.jpg

garden.jpg

824 ms

Toys.jpg

Toys.jpg

824 ms

DD_Furniture_Sale_Thumbnail.jpg

DD_Furniture_Sale_Thumbnail.jpg

920 ms

MuseoSans-300.woff

MuseoSans-300.woff

889 ms

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

1 ms

WidgetScript

WidgetScript

56 ms

Giaza.woff

Giaza.woff

643 ms

PlayfairDisplay-Regular.woff

PlayfairDisplay-Regular.woff

442 ms

DD_Wine_Thumbnail_-_Placeholder.jpg

DD_Wine_Thumbnail_-_Placeholder.jpg

441 ms

jewellery.jpg

jewellery.jpg

441 ms

DD_Silver_Thumbnail_-_Placeholder.jpg

DD_Silver_Thumbnail_-_Placeholder.jpg

487 ms

DD_Affordable_Art_Thumbnail_-_Placeholder.jpg

DD_Affordable_Art_Thumbnail_-_Placeholder.jpg

488 ms

DD_DACS_Thumbnail_-_Placeholder.jpg

DD_DACS_Thumbnail_-_Placeholder.jpg

481 ms

DD_CC_Thumbnail_-_Placeholder.jpg

DD_CC_Thumbnail_-_Placeholder.jpg

497 ms

DD_Fine_Art_Thumbnail_-_Placeholder.jpg

DD_Fine_Art_Thumbnail_-_Placeholder.jpg

496 ms

DS_Maps_Thumbnail_-_Placeholder.jpg

DS_Maps_Thumbnail_-_Placeholder.jpg

495 ms

DS_Jewellery_Thumbnail_-_Placeholder.jpg

DS_Jewellery_Thumbnail_-_Placeholder.jpg

544 ms

DS_Country_House_Thumbnail_-_Placeholder.jpg

DS_Country_House_Thumbnail_-_Placeholder.jpg

482 ms

DD_Coins_Thumbnail_-_Placeholder.jpg

DD_Coins_Thumbnail_-_Placeholder.jpg

477 ms

DD_Stamps_Thumbnail_-_Placeholder.jpg

DD_Stamps_Thumbnail_-_Placeholder.jpg

486 ms

DD_Furniture_Sale_Thumbnail.jpg

DD_Furniture_Sale_Thumbnail.jpg

485 ms

jewellery.jpg

jewellery.jpg

479 ms

DD_Affordable_Art_Thumbnail_-_Placeholder.jpg

DD_Affordable_Art_Thumbnail_-_Placeholder.jpg

484 ms

DD_DACS_Thumbnail_-_Placeholder.jpg

DD_DACS_Thumbnail_-_Placeholder.jpg

485 ms

DD_CC_Thumbnail_-_Placeholder.jpg

DD_CC_Thumbnail_-_Placeholder.jpg

473 ms

61359ad9-240b-45b9-8640-4232340bf0a9.jpg

61359ad9-240b-45b9-8640-4232340bf0a9.jpg

483 ms

logo-david-duggleby-white.svg

logo-david-duggleby-white.svg

491 ms

logo-SOFAA.svg

logo-SOFAA.svg

480 ms

Accessibility Review

dugglebystephenson.com accessibility score

79

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

dugglebystephenson.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

dugglebystephenson.com SEO score

75

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

High

Image elements do not have [alt] attributes

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 Dugglebystephenson.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 Dugglebystephenson.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

dugglebystephenson.com

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