2 sec in total
29 ms
1.4 sec
596 ms
Click here to check amazing Knowledge Door content for United States. Otherwise, check out these important facts you probably never knew about knowledgedoor.com
Our periodic table has over 25000 facts covering all chemical elements and spanning more than 130 quantities. Each table entry has a full citation identifying its source. Our units and constants handb...
Visit knowledgedoor.comWe analyzed Knowledgedoor.com page load time and found that the first response time was 29 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
knowledgedoor.com performance score
name
value
score
weighting
Value2.6 s
64/100
10%
Value3.5 s
65/100
25%
Value2.9 s
95/100
10%
Value80 ms
99/100
30%
Value0.006
100/100
15%
Value5.1 s
75/100
10%
29 ms
70 ms
10 ms
19 ms
23 ms
Our browser made a total of 100 requests to load all elements on the main page. We found that 21% of them (21 requests) were addressed to the original Knowledgedoor.com, 16% (16 requests) were made to Static.xx.fbcdn.net and 10% (10 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (232 ms) relates to the external source External.xx.fbcdn.net.
Page size can be reduced by 614.3 kB (62%)
984.2 kB
369.9 kB
In fact, the total size of Knowledgedoor.com main page is 984.2 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. 60% of websites need less resources to load. HTML takes 332.2 kB which makes up the majority of the site volume.
Potential reduce by 292.4 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. 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 292.4 kB or 88% of the original size.
Potential reduce by 42.1 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, Knowledge Door needs image optimization as it can save up to 42.1 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 161.4 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 161.4 kB or 71% of the original size.
Potential reduce by 118.3 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. Knowledgedoor.com needs all CSS files to be minified and compressed as it can save up to 118.3 kB or 92% of the original size.
Number of requests can be reduced by 53 (56%)
95
42
The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Knowledge Door. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
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knowledgedoor.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.
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
Form elements do not have associated labels
knowledgedoor.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
General
Impact
Issue
Browser errors were logged to the console
knowledgedoor.com SEO score
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Knowledgedoor.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 Knowledgedoor.com 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.
knowledgedoor.com
Open Graph data is detected on the main page of Knowledge Door. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: