5.1 sec in total
230 ms
4.6 sec
258 ms
Visit openbookpublishers.com now to see the best up-to-date Open Book Publishers content for United States and also check out these interesting facts you probably never knew about openbookpublishers.com
We publish high-quality, open access academic research in the Humanities and Social Sciences. Read all our books for free online.
Visit openbookpublishers.comWe analyzed Openbookpublishers.com page load time and found that the first response time was 230 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
openbookpublishers.com performance score
name
value
score
weighting
Value3.2 s
43/100
10%
Value3.3 s
70/100
25%
Value5.5 s
54/100
10%
Value580 ms
51/100
30%
Value0.001
100/100
15%
Value7.9 s
44/100
10%
230 ms
700 ms
514 ms
760 ms
830 ms
Our browser made a total of 64 requests to load all elements on the main page. We found that 56% of them (36 requests) were addressed to the original Openbookpublishers.com, 19% (12 requests) were made to Pbs.twimg.com and 6% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Openbookpublishers.com.
Page size can be reduced by 301.9 kB (22%)
1.3 MB
1.0 MB
In fact, the total size of Openbookpublishers.com main page is 1.3 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. 45% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 35.4 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 8.1 kB, which is 18% 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 35.4 kB or 80% of the original size.
Potential reduce by 132.9 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, Open Book Publishers needs image optimization as it can save up to 132.9 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 123.1 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 123.1 kB or 65% of the original size.
Potential reduce by 10.5 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. Openbookpublishers.com needs all CSS files to be minified and compressed as it can save up to 10.5 kB or 76% of the original size.
Number of requests can be reduced by 18 (30%)
61
43
The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open Book Publishers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
openbookpublishers.com
230 ms
www.openbookpublishers.com
700 ms
jserver.js
514 ms
jquery-1.5.1.min.js
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jquery-ui-1.8.13.custom.min.js
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jquery.cycle.all.min.js
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screennew.css
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doabSmall.png
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openbookpublishers.com 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
Form elements do not have associated labels
Links do not have a discernible name
openbookpublishers.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
openbookpublishers.com 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
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Openbookpublishers.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 Openbookpublishers.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.
openbookpublishers.com
Open Graph description is not detected on the main page of Open Book Publishers. 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: