857 ms in total
162 ms
444 ms
251 ms
Click here to check amazing Erbook content. Otherwise, check out these important facts you probably never knew about erbook.net
If you're interested in unusual true ER stories, browse through this site. Dr. Pezzi reviews several books of ER stories in addition to his own, and the other pages at this site will keep you spellbou...
Visit erbook.netWe analyzed Erbook.net page load time and found that the first response time was 162 ms and then it took 695 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.
erbook.net performance score
name
value
score
weighting
Value0.7 s
100/100
10%
Value1.5 s
100/100
25%
Value2.1 s
99/100
10%
Value1,020 ms
26/100
30%
Value0.176
68/100
15%
Value8.1 s
42/100
10%
162 ms
79 ms
38 ms
65 ms
65 ms
Our browser made a total of 12 requests to load all elements on the main page. We found that 83% of them (10 requests) were addressed to the original Erbook.net, 17% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (162 ms) belongs to the original domain Erbook.net.
Page size can be reduced by 30.0 kB (23%)
131.7 kB
101.7 kB
In fact, the total size of Erbook.net main page is 131.7 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. 15% of websites need less resources to load. Javascripts take 78.7 kB which makes up the majority of the site volume.
Potential reduce by 29.6 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 29.6 kB or 71% of the original size.
Potential reduce by 327 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. Erbook images are well optimized though.
Potential reduce by 33 B
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. This website has mostly compressed JavaScripts.
We found no issues to fix!
11
11
The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Erbook. According to our analytics all requests are already optimized.
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erbook.net 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.
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
erbook.net 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
General
Impact
Issue
Page has valid source maps
erbook.net SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
EN
N/A
WINDOWS-1252
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Erbook.net 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 Erbook.net main page’s claimed encoding is windows-1252. 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.
{{og_description}}
erbook.net
Open Graph description is not detected on the main page of Erbook. 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: