Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

swappa.com

Swappa - Buy & Sell - Phones, Laptops, Sneakers, & More

Page Load Speed

1.4 sec in total

First Response

143 ms

Resources Loaded

917 ms

Page Rendered

314 ms

swappa.com screenshot

About Website

Welcome to swappa.com homepage info - get ready to check Swappa best content for United States right away, or after learning these important things about swappa.com

Buy and sell used and refurbished tech, unlocked phones, laptops, video games, new and used sneakers, and more on Swappa! Welcome to the world's safest marketplace.

Visit swappa.com

Key Findings

We analyzed Swappa.com page load time and found that the first response time was 143 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

swappa.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value20.9 s

0/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value21.2 s

1/100

10%

Network Requests Diagram

swappa.com

143 ms

swappa.com

66 ms

css

137 ms

bootstrap.css

129 ms

font-awesome.min.css

116 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 4% of them (3 requests) were addressed to the original Swappa.com, 38% (28 requests) were made to Static.swappa.com and 27% (20 requests) were made to S3.amazonaws.com. The less responsive or slowest element that took the longest time to load (404 ms) relates to the external source S3.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 573.1 kB (39%)

Content Size

1.5 MB

After Optimization

882.7 kB

In fact, the total size of Swappa.com main page is 1.5 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. 55% of websites need less resources to load. Images take 756.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 42.0 kB

  • Original 51.2 kB
  • After minification 45.1 kB
  • After compression 9.2 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 6.1 kB, which is 12% 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 42.0 kB or 82% of the original size.

Image Optimization

-10%

Potential reduce by 77.5 kB

  • Original 756.7 kB
  • After minification 679.2 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. Swappa images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 305.9 kB

  • Original 472.6 kB
  • After minification 447.5 kB
  • After compression 166.7 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 305.9 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 147.7 kB

  • Original 175.3 kB
  • After minification 148.4 kB
  • After compression 27.6 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. Swappa.com needs all CSS files to be minified and compressed as it can save up to 147.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (31%)

Requests Now

67

After Optimization

46

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Swappa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

swappa.com accessibility score

98

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

swappa.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

Missing source maps for large first-party JavaScript

SEO Factors

swappa.com SEO score

100

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

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 Swappa.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 Swappa.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 Swappa. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: