1.4 sec in total
240 ms
1 sec
169 ms
Click here to check amazing Books Of Discovery content for United States. Otherwise, check out these important facts you probably never knew about booksofdiscovery.com
Books of Discovery: publisher of engaging, easy-to-follow manual therapy textbooks, eTextbooks and digital resources: anatomy, palpation, kinesiology, pathology
Visit booksofdiscovery.comWe analyzed Booksofdiscovery.com page load time and found that the first response time was 240 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 20% of websites can load faster.
booksofdiscovery.com performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value16.0 s
0/100
25%
Value6.4 s
41/100
10%
Value840 ms
34/100
30%
Value0.312
37/100
15%
Value17.9 s
4/100
10%
240 ms
219 ms
187 ms
248 ms
309 ms
Our browser made a total of 30 requests to load all elements on the main page. We found that 90% of them (27 requests) were addressed to the original Booksofdiscovery.com, 7% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (495 ms) belongs to the original domain Booksofdiscovery.com.
Page size can be reduced by 258.5 kB (17%)
1.5 MB
1.3 MB
In fact, the total size of Booksofdiscovery.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. 40% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 20.7 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 5.4 kB, which is 20% 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 20.7 kB or 76% of the original size.
Potential reduce by 37.7 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. Books Of Discovery images are well optimized though.
Potential reduce by 140.7 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 140.7 kB or 67% of the original size.
Potential reduce by 59.4 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. Booksofdiscovery.com needs all CSS files to be minified and compressed as it can save up to 59.4 kB or 86% of the original size.
Number of requests can be reduced by 5 (18%)
28
23
The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Books Of Discovery. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
booksofdiscovery.com
240 ms
modernizr-latest.js
219 ms
style.css
187 ms
megamenu.css
248 ms
jquery.js
309 ms
megamenu.js
187 ms
magnific-popup.css
127 ms
jquery.magnific-popup.min.js
249 ms
bodmain.js
247 ms
ga.js
30 ms
body-bkgrd2.jpg
248 ms
bod-logo.png
71 ms
user.png
64 ms
cart-black.png
67 ms
arrow_down1.png
66 ms
hp-body-img2.png
309 ms
Frontpic-products1.jpg
248 ms
hp-video1.jpg
128 ms
ScreenshotTGMIntrovideo2.jpg
188 ms
facebook.png
130 ms
twitter.png
189 ms
youtube.png
192 ms
Frontpic_products2.jpg
434 ms
Frontpic-students1.jpg
495 ms
Frontpic-considering1.jpg
437 ms
Frontpic-schools1.jpg
431 ms
Frontpic-community1.jpg
371 ms
Frontpic-video1.jpg
432 ms
__utm.gif
14 ms
collect
61 ms
booksofdiscovery.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 have valid values
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
booksofdiscovery.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
booksofdiscovery.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Booksofdiscovery.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 Booksofdiscovery.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.
booksofdiscovery.com
Open Graph description is not detected on the main page of Books Of Discovery. 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: