Tools & Wizards About Us
biddr.com screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

biddr.com

biddr - the modern auction platform for numismatic items

Page Load Speed

2.1 sec in total

First Response

211 ms

Resources Loaded

1.3 sec

Page Rendered

647 ms

biddr.com screenshot

About Website

Visit biddr.com now to see the best up-to-date Biddr content for Italy and also check out these interesting facts you probably never knew about biddr.com

Bid on ancient coins, world coins, medals, banknotes and antiquities and take part in numerous numismatic auctions worldwide.

Visit biddr.com

Key Findings

We analyzed Biddr.com page load time and found that the first response time was 211 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

biddr.com performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

biddr.com

211 ms

biddr.com

379 ms

www.biddr.com

446 ms

bootstrap.min.css

48 ms

stylesheet-3.0.32.min.css

38 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 5% of them (3 requests) were addressed to the original Biddr.com, 95% (62 requests) were made to Media.biddr.com. The less responsive or slowest element that took the longest time to load (446 ms) belongs to the original domain Biddr.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 113.6 kB (33%)

Content Size

346.3 kB

After Optimization

232.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Biddr.com main page is 346.3 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. Images take 130.1 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 113.4 kB

  • Original 124.3 kB
  • After minification 93.5 kB
  • After compression 10.9 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 30.9 kB, which is 25% 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 113.4 kB or 91% of the original size.

Image Optimization

-0%

Potential reduce by 13 B

  • Original 130.1 kB
  • After minification 130.1 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. Biddr images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 209 B

  • Original 54.5 kB
  • After minification 54.5 kB
  • After compression 54.2 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

-0%

Potential reduce by 0 B

  • Original 37.5 kB
  • After minification 37.5 kB
  • After compression 37.5 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. Biddr.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (19%)

Requests Now

21

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biddr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

biddr.com

biddr.com

211 ms

biddr.com

biddr.com

379 ms

www.biddr.com

www.biddr.com

446 ms

bootstrap.min.css

bootstrap.min.css

48 ms

stylesheet-3.0.32.min.css

stylesheet-3.0.32.min.css

38 ms

3068.png

3068.png

98 ms

jquery.min.js

jquery.min.js

39 ms

bootstrap.min.js

bootstrap.min.js

93 ms

general-3.0.20.min.js

general-3.0.20.min.js

98 ms

front-3.0.8.min.js

front-3.0.8.min.js

96 ms

jstz.min.js

jstz.min.js

91 ms

3085.png

3085.png

183 ms

timeline_front.jpg

timeline_front.jpg

96 ms

kybelenumismatics_front.jpg

kybelenumismatics_front.jpg

183 ms

jesusvico_front.jpg

jesusvico_front.jpg

184 ms

stacksbowers_front.jpg

stacksbowers_front.jpg

184 ms

heritage_front.jpg

heritage_front.jpg

189 ms

numismad_front.jpg

numismad_front.jpg

185 ms

coinsee_front.jpg

coinsee_front.jpg

185 ms

mdcmonaco_front.jpg

mdcmonaco_front.jpg

186 ms

numisbalt_front.jpg

numisbalt_front.jpg

187 ms

snmw_front.jpg

snmw_front.jpg

187 ms

savoca_front.jpg

savoca_front.jpg

186 ms

artemideaste_front.jpg

artemideaste_front.jpg

188 ms

concordianumismatic_front.jpg

concordianumismatic_front.jpg

190 ms

istranumizmatika_front.jpg

istranumizmatika_front.jpg

190 ms

coinstore_front.jpg

coinstore_front.jpg

188 ms

portuscallenumismatica_front.jpg

portuscallenumismatica_front.jpg

189 ms

tibercoins_front.jpg

tibercoins_front.jpg

190 ms

londonancientcoins_front.jpg

londonancientcoins_front.jpg

191 ms

alfanumismatics_front.jpg

alfanumismatics_front.jpg

191 ms

tauleryfau_front.jpg

tauleryfau_front.jpg

194 ms

riodelaplata_front.jpg

riodelaplata_front.jpg

192 ms

ibercoin_front.jpg

ibercoin_front.jpg

191 ms

klondike_front.jpg

klondike_front.jpg

192 ms

aureocalico_front.jpg

aureocalico_front.jpg

191 ms

cayonsubastas_front.jpg

cayonsubastas_front.jpg

193 ms

niemczyk_front.jpg

niemczyk_front.jpg

192 ms

antiumnumismatica_front.jpg

antiumnumismatica_front.jpg

191 ms

numismaticaferrarese_front.jpg

numismaticaferrarese_front.jpg

159 ms

nnlondon_front.jpg

nnlondon_front.jpg

112 ms

nummitra_front.jpg

nummitra_front.jpg

110 ms

auctiones_front.jpg

auctiones_front.jpg

110 ms

rhenumis_front.jpg

rhenumis_front.jpg

107 ms

4377_front.jpg

4377_front.jpg

106 ms

art-rite_front.jpg

art-rite_front.jpg

106 ms

monedalia_front.jpg

monedalia_front.jpg

20 ms

elsen_front.jpg

elsen_front.jpg

20 ms

nomisma_front.jpg

nomisma_front.jpg

19 ms

nomos_front.jpg

nomos_front.jpg

20 ms

solnumismatik_front.jpg

solnumismatik_front.jpg

19 ms

biganumismatics_front.jpg

biganumismatics_front.jpg

19 ms

palombo_front.jpg

palombo_front.jpg

19 ms

4401_front.jpg

4401_front.jpg

18 ms

emporiumhamburg_front.jpg

emporiumhamburg_front.jpg

17 ms

noa_front.jpg

noa_front.jpg

18 ms

gmanumismatica_front.jpg

gmanumismatica_front.jpg

20 ms

astarte_front.jpg

astarte_front.jpg

17 ms

numismatiknaumann_front.jpg

numismatiknaumann_front.jpg

17 ms

ranieri_front.jpg

ranieri_front.jpg

17 ms

muenzenonline-auktion_front.jpg

muenzenonline-auktion_front.jpg

17 ms

ajax-loader.gif

ajax-loader.gif

17 ms

background-image.jpg

background-image.jpg

17 ms

3071.png

3071.png

18 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

14 ms

Accessibility Review

biddr.com accessibility score

74

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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

biddr.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

SEO Factors

biddr.com SEO score

98

Search Engine Optimization Advices

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 Biddr.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 Biddr.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

biddr.com

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