Tools & Wizards About Us
fbmarketplace.org screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

fbmarketplace.org

First Book Marketplace: Affordable Books for Educators

Page Load Speed

2.8 sec in total

First Response

50 ms

Resources Loaded

2.2 sec

Page Rendered

537 ms

fbmarketplace.org screenshot

About Website

Welcome to fbmarketplace.org homepage info - get ready to check Fb Marketplace best content for United States right away, or after learning these important things about fbmarketplace.org

The First Book Marketplace offers affordable new books and educator resources exclusively to schools and programs serving kids and teens in need.

Visit fbmarketplace.org

Key Findings

We analyzed Fbmarketplace.org page load time and found that the first response time was 50 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

fbmarketplace.org performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value31.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value37.1 s

0/100

25%

SI (Speed Index)

Value31.8 s

0/100

10%

TBT (Total Blocking Time)

Value2,870 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.083

94/100

15%

TTI (Time to Interactive)

Value52.0 s

0/100

10%

Network Requests Diagram

www.fbmarketplace.org

50 ms

9a0a257c548551a34dcccadda1b142cc.min.css

6 ms

styles-l.min.css

40 ms

a17fbb6848fe2dc9afe03f60246efb1b.min.js

146 ms

gtm.js

186 ms

Our browser made a total of 287 requests to load all elements on the main page. We found that 84% of them (242 requests) were addressed to the original Fbmarketplace.org, 12% (35 requests) were made to Staticw2.yotpo.com and 1% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (606 ms) relates to the external source Staticw2.yotpo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 555.6 kB (5%)

Content Size

10.2 MB

After Optimization

9.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Fbmarketplace.org main page is 10.2 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. Javascripts take 5.7 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 362.8 kB

  • Original 418.4 kB
  • After minification 376.1 kB
  • After compression 55.6 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 362.8 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 26.2 kB

  • Original 3.9 MB
  • After minification 3.9 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. Fb Marketplace images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 64.3 kB

  • Original 5.7 MB
  • After minification 5.7 MB
  • After compression 5.7 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.

CSS Optimization

-83%

Potential reduce by 102.2 kB

  • Original 123.3 kB
  • After minification 21.1 kB
  • After compression 21.1 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. Fbmarketplace.org needs all CSS files to be minified and compressed as it can save up to 102.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 173 (63%)

Requests Now

274

After Optimization

101

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 274 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Fb Marketplace. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 163 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.fbmarketplace.org

www.fbmarketplace.org

50 ms

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6 ms

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40 ms

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logger-utils.min.js

179 ms

weltpixel_ga4_persistentlayer.min.js

weltpixel_ga4_persistentlayer.min.js

179 ms

weltpixel_ga4_gtm.min.js

weltpixel_ga4_gtm.min.js

180 ms

jquery.waypoints.min.js

jquery.waypoints.min.js

184 ms

customer-data.min.js

customer-data.min.js

183 ms

customer-data-mixin.min.js

customer-data-mixin.min.js

183 ms

class.min.js

class.min.js

184 ms

loader.min.js

loader.min.js

183 ms

async.min.js

async.min.js

185 ms

spectrum.min.js

spectrum.min.js

163 ms

tinycolor.min.js

tinycolor.min.js

166 ms

tooltip.html

tooltip.html

164 ms

collect

collect

181 ms

print.min.css

print.min.css

26 ms

form-reset-mixin.min.js

form-reset-mixin.min.js

32 ms

moment.min.js

moment.min.js

34 ms

section-config.min.js

section-config.min.js

33 ms

url.min.js

url.min.js

32 ms

storage.min.js

storage.min.js

33 ms

storage-wrapper.min.js

storage-wrapper.min.js

33 ms

collect

collect

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entry.min.js

entry.min.js

27 ms

dom-observer.min.js

dom-observer.min.js

28 ms

bindings.min.js

bindings.min.js

26 ms

js.storage.min.js

js.storage.min.js

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jquery.cookie.min.js

jquery.cookie.min.js

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yotpo-widget-font.svg

yotpo-widget-font.svg

103 ms

yotpo-widget-font.woff

yotpo-widget-font.woff

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cookie-wrapper.min.js

cookie-wrapper.min.js

3 ms

js.cookie.min.js

js.cookie.min.js

2 ms

pd.js

pd.js

51 ms

Accessibility Review

fbmarketplace.org accessibility score

80

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-hidden="true"] elements contain focusable descendents

High

ARIA tooltip elements do not have accessible names.

High

ARIA IDs are not unique

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.

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

fbmarketplace.org best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

fbmarketplace.org SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Fbmarketplace.org 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 Fbmarketplace.org 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

fbmarketplace.org

Open Graph description is not detected on the main page of Fb Marketplace. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: