Tools & Wizards About Us
offerup.us screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

offerup.us

Buy & Sell Locally - OfferUp - Buy. Sell. Simple. - OfferUp

Page Load Speed

1 sec in total

First Response

13 ms

Resources Loaded

990 ms

Page Rendered

0 ms

offerup.us screenshot

About Website

Welcome to offerup.us homepage info - get ready to check Offer Up best content for United States right away, or after learning these important things about offerup.us

Instantly connect with local buyers and sellers on OfferUp! Buy and sell everything from cars and trucks, electronics, furniture, and more.

Visit offerup.us

Key Findings

We analyzed Offerup.us page load time and found that the first response time was 13 ms and then it took 990 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

offerup.us performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

76/100

10%

LCP (Largest Contentful Paint)

Value30.0 s

0/100

25%

SI (Speed Index)

Value14.5 s

1/100

10%

TBT (Total Blocking Time)

Value4,280 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value33.9 s

0/100

10%

Network Requests Diagram

offerup.us

13 ms

offerup.com

829 ms

polyfills-78c92fac7aa8fdd8.js

122 ms

2606.ffe2715a722805ca.js

147 ms

6955.ba54c46249f8d908.js

158 ms

Our browser made a total of 119 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Offerup.us, 83% (99 requests) were made to Images.offerup.com and 12% (14 requests) were made to Statics.offerup.com. The less responsive or slowest element that took the longest time to load (829 ms) relates to the external source Offerup.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (23%)

Content Size

4.5 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Offerup.us main page is 4.5 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. Only a small number of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 886.7 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 166.2 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 886.7 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.1 MB
  • After minification 2.1 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. Offer Up images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 144.8 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 1.2 MB

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.

Requests Breakdown

Number of requests can be reduced by 15 (13%)

Requests Now

116

After Optimization

101

  • Images
  • JavaScript

The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Offer Up. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

offerup.us

offerup.us

13 ms

offerup.com

offerup.com

829 ms

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147 ms

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154 ms

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Accessibility Review

offerup.us accessibility score

88

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.

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 IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

offerup.us 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

offerup.us SEO score

92

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

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 Offerup.us 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 Offerup.us 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

offerup.us

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