Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

biddr.ch

biddr - the modern auction platform for numismatic items

Page Load Speed

2.5 sec in total

First Response

284 ms

Resources Loaded

1.6 sec

Page Rendered

652 ms

biddr.ch screenshot

About Website

Click here to check amazing Biddr content for Albania. Otherwise, check out these important facts you probably never knew about biddr.ch

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

Visit biddr.ch

Key Findings

We analyzed Biddr.ch page load time and found that the first response time was 284 ms and then it took 2.2 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.ch performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value4.9 s

64/100

10%

TBT (Total Blocking Time)

Value4,470 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

biddr.ch

284 ms

biddr.ch

379 ms

www.biddr.com

470 ms

bootstrap.min.css

93 ms

stylesheet-3.0.32.min.css

82 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Biddr.ch, 94% (51 requests) were made to Media.biddr.com and 2% (1 request) were made to Biddr.com. The less responsive or slowest element that took the longest time to load (470 ms) relates to the external source Biddr.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 102.3 kB (29%)

Content Size

351.1 kB

After Optimization

248.8 kB

In fact, the total size of Biddr.ch main page is 351.1 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. 35% of websites need less resources to load. Images take 146.5 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 102.0 kB

  • Original 112.5 kB
  • After minification 83.6 kB
  • After compression 10.5 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 28.9 kB, which is 26% 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 102.0 kB or 91% of the original size.

Image Optimization

-0%

Potential reduce by 27 B

  • Original 146.5 kB
  • After minification 146.5 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. Biddr images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 217 B

  • Original 54.6 kB
  • After minification 54.6 kB
  • After compression 54.4 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 37.4 kB
  • After minification 37.4 kB
  • After compression 37.4 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.ch has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (17%)

Requests Now

24

After Optimization

20

The browser has sent 24 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.

Accessibility Review

biddr.ch 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.ch 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.ch 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.ch 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.ch 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

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: