1.9 sec in total
73 ms
1.7 sec
111 ms
Welcome to routledgeinteractive.vitalsource.com homepage info - get ready to check Routledgeinteractive Vital Source best content for United States right away, or after learning these important things about routledgeinteractive.vitalsource.com
VitalSource Bookshelf is the world’s leading platform for distributing, accessing, consuming, and engaging with digital textbooks and course materials.
Visit routledgeinteractive.vitalsource.comWe analyzed Routledgeinteractive.vitalsource.com page load time and found that the first response time was 73 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
routledgeinteractive.vitalsource.com performance score
name
value
score
weighting
Value17.9 s
0/100
10%
Value20.9 s
0/100
25%
Value17.9 s
0/100
10%
Value2,370 ms
5/100
30%
Value0.002
100/100
15%
Value21.3 s
1/100
10%
73 ms
168 ms
217 ms
279 ms
290 ms
Our browser made a total of 44 requests to load all elements on the main page. We found that 75% of them (33 requests) were addressed to the original Routledgeinteractive.vitalsource.com, 16% (7 requests) were made to Jigsaw.vitalsource.com and 7% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Routledgeinteractive.vitalsource.com.
Page size can be reduced by 910.4 kB (73%)
1.2 MB
338.5 kB
In fact, the total size of Routledgeinteractive.vitalsource.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. 15% of websites need less resources to load. Javascripts take 975.0 kB which makes up the majority of the site volume.
Potential reduce by 68.9 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 68.9 kB or 92% of the original size.
Potential reduce by 1.5 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, Routledgeinteractive Vital Source needs image optimization as it can save up to 1.5 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 678.0 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 678.0 kB or 70% of the original size.
Potential reduce by 162.0 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. Routledgeinteractive.vitalsource.com needs all CSS files to be minified and compressed as it can save up to 162.0 kB or 85% of the original size.
Number of requests can be reduced by 20 (50%)
40
20
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Routledgeinteractive Vital Source. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
routledgeinteractive.vitalsource.com
73 ms
routledgeinteractive.vitalsource.com
168 ms
vendor.min-0e128173.js
217 ms
box.js
279 ms
fraction.min-b18964f4.js
290 ms
fraction.min-2d88f180.css
159 ms
analytics.js
30 ms
routledgeinteractive.vitalsource.com.json
40 ms
roboto-v15-latin-regular.woff
1066 ms
roboto-v15-latin-500.woff
1104 ms
roboto-v15-latin-300.woff
97 ms
roboto-v15-latin-100.woff
69 ms
roboto-v15-latin-700.woff
192 ms
roboto-v15-latin-900.woff
202 ms
en.json
60 ms
collect
64 ms
menu.svg
44 ms
circle_bookshelf.svg
43 ms
circle_store.svg
43 ms
circle_support.svg
59 ms
circle_bookshelf_sm.svg
38 ms
circle_store_sm.svg
38 ms
circle_support_sm.svg
38 ms
about.svg
67 ms
routledge-logo.png
65 ms
watkins_search.svg
103 ms
action_building_library.svg
69 ms
action_building_library_sm.svg
132 ms
vitalsource_white.svg
126 ms
account.svg
105 ms
search.svg
145 ms
loader.svg
144 ms
socket
76 ms
application-27c028bfa11e6414fdba1ae3d4bea2b1.css
69 ms
application-0dccaccb5a8f18a26a3422c61564d50e.js
192 ms
hammer.js
36 ms
index-f6c87a9ae1df4d396cc08492080a6036.js
225 ms
user
71 ms
collect
48 ms
watkins_welcome.svg
64 ms
vitalsource_color.svg
62 ms
down_arrow.svg
32 ms
en.png
36 ms
user
71 ms
routledgeinteractive.vitalsource.com accessibility score
routledgeinteractive.vitalsource.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
routledgeinteractive.vitalsource.com SEO score
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
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Routledgeinteractive.vitalsource.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 Routledgeinteractive.vitalsource.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.
routledgeinteractive.vitalsource.com
Open Graph description is not detected on the main page of Routledgeinteractive Vital Source. 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: