2.1 sec in total
614 ms
1.4 sec
132 ms
Visit book.bionumbers.org now to see the best up-to-date Book Bio Numbers content for United States and also check out these interesting facts you probably never knew about book.bionumbers.org
Vignettes that reveal how numbers serve as a sixth sense to understanding our cells
Visit book.bionumbers.orgWe analyzed Book.bionumbers.org page load time and found that the first response time was 614 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
book.bionumbers.org performance score
name
value
score
weighting
Value5.0 s
10/100
10%
Value6.0 s
13/100
25%
Value7.6 s
26/100
10%
Value110 ms
98/100
30%
Value0.481
18/100
15%
Value6.9 s
54/100
10%
614 ms
6 ms
319 ms
130 ms
131 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 89% of them (40 requests) were addressed to the original Book.bionumbers.org, 4% (2 requests) were made to Netdna.bootstrapcdn.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (614 ms) belongs to the original domain Book.bionumbers.org.
Page size can be reduced by 505.5 kB (71%)
709.7 kB
204.3 kB
In fact, the total size of Book.bionumbers.org main page is 709.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Javascripts take 381.6 kB which makes up the majority of the site volume.
Potential reduce by 63.2 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 63.2 kB or 83% of the original size.
Potential reduce by 8.1 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, Book Bio Numbers needs image optimization as it can save up to 8.1 kB or 42% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 237.2 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 237.2 kB or 62% of the original size.
Potential reduce by 196.9 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. Book.bionumbers.org needs all CSS files to be minified and compressed as it can save up to 196.9 kB or 85% of the original size.
Number of requests can be reduced by 36 (86%)
42
6
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Book Bio Numbers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
book.bionumbers.org
614 ms
font-awesome.css
6 ms
bootstrap.css
319 ms
introjs.css
130 ms
style.css
131 ms
jquery.min.js
30 ms
bootstrap.new.min.js
134 ms
scroll-startstop.events.jquery.js
66 ms
style.css
90 ms
jquery-ui.css
129 ms
prettyPhoto.css
224 ms
wp-video-lightbox.css
142 ms
styles.css
160 ms
swipebox.min.css
193 ms
style.css
210 ms
jquery.js
383 ms
jquery-migrate.min.js
231 ms
kento-pvc.js
231 ms
google-chart-jsapi.js
368 ms
jquery.prettyPhoto.js
250 ms
video-lightbox.js
252 ms
filereader.min.js
292 ms
cursor_position.js
285 ms
fronted.js
313 ms
jquery.swipebox.min.js
318 ms
front.js
349 ms
general.js
363 ms
core.min.js
376 ms
datepicker.min.js
445 ms
jquery.form.min.js
415 ms
scripts.js
508 ms
icon-book.png
264 ms
twitter.png
282 ms
facebook.png
282 ms
linkedin.png
317 ms
google.png
329 ms
pinterest.png
341 ms
reddit.png
342 ms
email.png
345 ms
arrow-left.png
380 ms
arrow-right.png
392 ms
Cantarell-Regular.ttf
554 ms
analytics.js
29 ms
collect
13 ms
fontawesome-webfont.woff
2 ms
book.bionumbers.org accessibility score
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
Image elements do not have [alt] attributes
book.bionumbers.org 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
General
Impact
Issue
Detected JavaScript libraries
book.bionumbers.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Book.bionumbers.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 Book.bionumbers.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.
book.bionumbers.org
Open Graph description is not detected on the main page of Book Bio Numbers. 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: