18.8 sec in total
222 ms
15 sec
3.6 sec
Click here to check amazing Secure Paper Back Swap content for United States. Otherwise, check out these important facts you probably never knew about secure.paperbackswap.com
Trade in your books via the largest online book swapping community in the world. Then choose from over 5 million available hardbacks, audiobooks, textbooks, romance novels and more. List your books to...
Visit secure.paperbackswap.comWe analyzed Secure.paperbackswap.com page load time and found that the first response time was 222 ms and then it took 18.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
secure.paperbackswap.com performance score
name
value
score
weighting
Value4.7 s
13/100
10%
Value4.7 s
33/100
25%
Value12.5 s
3/100
10%
Value13,880 ms
0/100
30%
Value0.406
24/100
15%
Value28.0 s
0/100
10%
222 ms
451 ms
263 ms
579 ms
261 ms
Our browser made a total of 81 requests to load all elements on the main page. We found that 42% of them (34 requests) were addressed to the original Secure.paperbackswap.com, 30% (24 requests) were made to Nationalbookswap.com and 9% (7 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (11.7 sec) relates to the external source Nationalbookswap.com.
Page size can be reduced by 569.5 kB (50%)
1.1 MB
562.3 kB
In fact, the total size of Secure.paperbackswap.com main page is 1.1 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. 70% of websites need less resources to load. Images take 507.7 kB which makes up the majority of the site volume.
Potential reduce by 128.1 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 128.1 kB or 84% of the original size.
Potential reduce by 99.4 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. Obviously, Secure Paper Back Swap needs image optimization as it can save up to 99.4 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 39.6 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 39.6 kB or 36% of the original size.
Potential reduce by 302.4 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. Secure.paperbackswap.com needs all CSS files to be minified and compressed as it can save up to 302.4 kB or 84% of the original size.
Number of requests can be reduced by 27 (35%)
78
51
The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Secure Paper Back Swap. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
secure.paperbackswap.com
222 ms
index.php
451 ms
global.css
263 ms
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579 ms
jquery-3.5.1.js
261 ms
jquery-ui.js
931 ms
modal.css
574 ms
jquery.colorbox-min.js
385 ms
jquery.rollover.js
575 ms
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qm_keyboard_access.min.js
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bootstrap_col.css
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yahoo-dom-event.js
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carousel_yui_2.7.css
1505 ms
adsbygoogle.js
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client_details.min.js
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combo
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carousel_yui_2.7.min.js
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analytics.js
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v-PB6wNyGRW-eAndhEHQBlkpfEieOcwgVD4MC_2rY5k.js
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embed.js
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log_event
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Create
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id
337 ms
secure.paperbackswap.com accessibility score
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
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
<frame> or <iframe> elements do not have a title
secure.paperbackswap.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
secure.paperbackswap.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Secure.paperbackswap.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 Secure.paperbackswap.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
secure.paperbackswap.com
Open Graph description is not detected on the main page of Secure Paper Back Swap. 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: