Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 94

    SEO

    Google-friendlier than
    90% of websites

backmarket.knoji.com

Back Market Review | Backmarket.com/en-us Ratings & Customer Reviews – Sep '23

Page Load Speed

1.1 sec in total

First Response

244 ms

Resources Loaded

730 ms

Page Rendered

118 ms

backmarket.knoji.com screenshot

About Website

Visit backmarket.knoji.com now to see the best up-to-date Back Market Knoji content for United States and also check out these interesting facts you probably never knew about backmarket.knoji.com

Back Market reviews and Backmarket.com/en-us customer ratings for September 2023. Back Market is an extremely popular marketplace store which competes against other marketplace stores like eBay, Amazo...

Visit backmarket.knoji.com

Key Findings

We analyzed Backmarket.knoji.com page load time and found that the first response time was 244 ms and then it took 848 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

backmarket.knoji.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value1,560 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.14

79/100

15%

TTI (Time to Interactive)

Value8.2 s

40/100

10%

Network Requests Diagram

backmarket.knoji.com

244 ms

fontawesome_css_all.min-br.css

65 ms

knoji-css.min.css

99 ms

common.css

97 ms

css

73 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Backmarket.knoji.com, 38% (11 requests) were made to Knoji.com and 17% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (244 ms) belongs to the original domain Backmarket.knoji.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 150.1 kB (56%)

Content Size

269.6 kB

After Optimization

119.5 kB

In fact, the total size of Backmarket.knoji.com main page is 269.6 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. HTML takes 170.7 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 147.8 kB

  • Original 170.7 kB
  • After minification 144.9 kB
  • After compression 23.0 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 25.8 kB, which is 15% 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 147.8 kB or 87% of the original size.

Image Optimization

-23%

Potential reduce by 200 B

  • Original 868 B
  • After minification 668 B

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. Obviously, Back Market Knoji needs image optimization as it can save up to 200 B or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 97 B

  • Original 55.1 kB
  • After minification 55.1 kB
  • After compression 55.0 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

-5%

Potential reduce by 2.0 kB

  • Original 42.9 kB
  • After minification 42.9 kB
  • After compression 40.9 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. Backmarket.knoji.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (78%)

Requests Now

23

After Optimization

5

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Back Market Knoji. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

backmarket.knoji.com accessibility score

85

Accessibility Issues

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

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

Form elements do not have associated labels

Best Practices

backmarket.knoji.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

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

backmarket.knoji.com SEO score

94

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 Backmarket.knoji.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 Backmarket.knoji.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

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