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Report Summary

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    Performance

  • 0

    Accessibility

  • 0

    Best Practices

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    SEO

packbackbooks.com

Home - Packback

Page Load Speed

3 sec in total

First Response

401 ms

Resources Loaded

1.9 sec

Page Rendered

688 ms

packbackbooks.com screenshot

About Website

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

Packback is an inquiry-driven online discussion pedagogy and platform which improves student motivation and critical thinking through discussion.

Visit packbackbooks.com

Key Findings

We analyzed Packbackbooks.com page load time and found that the first response time was 401 ms and then it took 2.6 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

packbackbooks.com performance score

0

Network Requests Diagram

packbackbooks.com

401 ms

packbackbooks.com

58 ms

main.a6d7c584.css

103 ms

braintree.js

101 ms

vendor.b1428383.js

103 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 20% of them (9 requests) were addressed to the original Packbackbooks.com, 46% (21 requests) were made to Packback.cachefly.net and 15% (7 requests) were made to Cdn.contentful.com. The less responsive or slowest element that took the longest time to load (631 ms) relates to the external source Cdn.contentful.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 941.7 kB (79%)

Content Size

1.2 MB

After Optimization

257.9 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Packbackbooks.com main page is 1.2 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. 65% of websites need less resources to load. CSS take 741.2 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 13.1 kB

  • Original 18.7 kB
  • After minification 17.4 kB
  • After compression 5.5 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. 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 13.1 kB or 70% of the original size.

JavaScript Optimization

-58%

Potential reduce by 255.5 kB

  • Original 439.6 kB
  • After minification 439.6 kB
  • After compression 184.1 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 255.5 kB or 58% of the original size.

CSS Optimization

-91%

Potential reduce by 673.0 kB

  • Original 741.2 kB
  • After minification 741.0 kB
  • After compression 68.2 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. Packbackbooks.com needs all CSS files to be minified and compressed as it can save up to 673.0 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (9%)

Requests Now

32

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Packback Books. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

packbackbooks.com

packbackbooks.com

401 ms

packbackbooks.com

packbackbooks.com

58 ms

main.a6d7c584.css

main.a6d7c584.css

103 ms

braintree.js

braintree.js

101 ms

vendor.b1428383.js

vendor.b1428383.js

103 ms

scripts.1c8f6306.js

scripts.1c8f6306.js

90 ms

css

css

94 ms

analytics.js

analytics.js

215 ms

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cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

259 ms

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MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

508 ms

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

550 ms

list

list

595 ms

header.html

header.html

106 ms

messages.html

messages.html

150 ms

main.html

main.html

349 ms

pb_dot_pattern.svg

pb_dot_pattern.svg

172 ms

loadinganimation_book.gif

loadinganimation_book.gif

438 ms

packback_logo.svg

packback_logo.svg

395 ms

nav-search-input.html

nav-search-input.html

291 ms

entypo.ttf

entypo.ttf

261 ms

collect

collect

178 ms

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lfpY0dnC1MQs60SeO8cQK

585 ms

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1xHZVsC84Y8uaiGwyUW2y8

604 ms

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4Q6UG0mGf66mkWkEScyYeE

605 ms

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1DMzaWt8g0OAgKmQg46ess

600 ms

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rnvl5IU7DiqysA2yWCY64

596 ms

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5a6WCicMI8uKgKMMOuwaiK

631 ms

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6Enewjyo1OKCE0meYwQkkw

621 ms

ready-to-search-partial.html

ready-to-search-partial.html

114 ms

logo_shark-tank.svg

logo_shark-tank.svg

107 ms

logo_wsj.svg

logo_wsj.svg

109 ms

logo_usa-today.svg

logo_usa-today.svg

111 ms

logo_fast-company.svg

logo_fast-company.svg

151 ms

logo_wapo.svg

logo_wapo.svg

175 ms

logo_nyt.svg

logo_nyt.svg

163 ms

Packback_Bookstacks.svg

Packback_Bookstacks.svg

129 ms

collect

collect

524 ms

Packback_OneDayRental.svg

Packback_OneDayRental.svg

30 ms

Packback_Clock.svg

Packback_Clock.svg

21 ms

Packback_Calendar-teal.svg

Packback_Calendar-teal.svg

39 ms

pb_illustrations_DesktopMouse.svg

pb_illustrations_DesktopMouse.svg

53 ms

pb_illustrations_eReader_seafoam.svg

pb_illustrations_eReader_seafoam.svg

65 ms

Packback_eReader.svg

Packback_eReader.svg

62 ms

pb_illustrations_Compare_forRedBG.svg

pb_illustrations_Compare_forRedBG.svg

44 ms

Packback_Compare_Icon.svg

Packback_Compare_Icon.svg

64 ms

pb_illustrations_WalkingPhone.svg

pb_illustrations_WalkingPhone.svg

34 ms

SEO Factors

packbackbooks.com SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Packbackbooks.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Packbackbooks.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

packbackbooks.com

Open Graph description is not detected on the main page of Packback Books. 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: