646 ms in total
142 ms
353 ms
151 ms
Welcome to jbbooks.com homepage info - get ready to check JB Books best content right away, or after learning these important things about jbbooks.com
New, Used, and Collectible Antiquarian Books - subjects include: History, Militaria, Diplomacy, the Sciences, Science Fiction, much more... Secure ordering. Inventory searchable.
Visit jbbooks.comWe analyzed Jbbooks.com page load time and found that the first response time was 142 ms and then it took 504 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.
jbbooks.com performance score
name
value
score
weighting
Value0.7 s
100/100
10%
Value0.8 s
100/100
25%
Value0.7 s
100/100
10%
Value0 ms
100/100
30%
Value0.04
99/100
15%
Value0.7 s
100/100
10%
142 ms
50 ms
48 ms
53 ms
52 ms
Our browser made a total of 13 requests to load all elements on the main page. We found that 92% of them (12 requests) were addressed to the original Jbbooks.com, 8% (1 request) were made to Images.paypal.com. The less responsive or slowest element that took the longest time to load (195 ms) relates to the external source Images.paypal.com.
Page size can be reduced by 6.0 kB (25%)
23.6 kB
17.6 kB
In fact, the total size of Jbbooks.com main page is 23.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 14.8 kB which makes up the majority of the site volume.
Potential reduce by 5.2 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 5.2 kB or 59% of the original size.
Potential reduce by 824 B
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. JB Books images are well optimized though.
We found no issues to fix!
12
12
The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JB Books. According to our analytics all requests are already optimized.
jbbooks.com
142 ms
blueline.gif
50 ms
bkname.jpg
48 ms
homeg.gif
53 ms
books.gif
52 ms
privacy.gif
50 ms
links.gif
55 ms
verification_seal.gif
195 ms
Burtandbooks.jpg
91 ms
ccvisa.gif
93 ms
ccmc.gif
96 ms
ccamex.gif
94 ms
ccdiscover.gif
97 ms
jbbooks.com accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Links do not have a discernible name
jbbooks.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
jbbooks.com SEO score
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jbbooks.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 Jbbooks.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.
jbbooks.com
Open Graph description is not detected on the main page of JB 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: