1.5 sec in total
271 ms
1 sec
201 ms
Click here to check amazing Bitwise Courses content. Otherwise, check out these important facts you probably never knew about bitwisecourses.com
Visit bitwisecourses.comWe analyzed Bitwisecourses.com page load time and found that the first response time was 271 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
bitwisecourses.com performance score
name
value
score
weighting
Value11.2 s
0/100
10%
Value15.1 s
0/100
25%
Value25.4 s
0/100
10%
Value830 ms
35/100
30%
Value0.002
100/100
15%
Value17.3 s
4/100
10%
271 ms
104 ms
47 ms
105 ms
67 ms
Our browser made a total of 27 requests to load all elements on the main page. We found that 15% of them (4 requests) were addressed to the original Bitwisecourses.com, 30% (8 requests) were made to D2oz8i5n9se8ej.cloudfront.net and 26% (7 requests) were made to D6xfpzo6h49n1.cloudfront.net. The less responsive or slowest element that took the longest time to load (285 ms) relates to the external source D6xfpzo6h49n1.cloudfront.net.
Page size can be reduced by 254.4 kB (20%)
1.3 MB
1.0 MB
In fact, the total size of Bitwisecourses.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. 65% of websites need less resources to load. Images take 843.6 kB which makes up the majority of the site volume.
Potential reduce by 20.1 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 5.6 kB, which is 22% 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 20.1 kB or 77% of the original size.
Potential reduce by 14.2 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. Bitwise Courses images are well optimized though.
Potential reduce by 32.0 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 32.0 kB or 15% of the original size.
Potential reduce by 188.2 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. Bitwisecourses.com needs all CSS files to be minified and compressed as it can save up to 188.2 kB or 84% of the original size.
Number of requests can be reduced by 4 (21%)
19
15
The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bitwise Courses. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
bitwisecourses.com
271 ms
courses
104 ms
school-css-1458162659-800-3ad6b61c4cc5cb6a57a718ca3d192431.css
47 ms
E-v1.js
105 ms
application-00c192875a4ec9587ff03b97eae2cee8b6e647adf6fb82357e9b590217f29ae1.js
67 ms
iframe_shim
65 ms
visits
176 ms
analytics.js
26 ms
font-awesome.min.css
66 ms
analytics.js
23 ms
HiUO81QPRMynkgOTYDN6_Screen%20shot%202014-01-19%20at%202.33.41%20PM.png
105 ms
teachable-logo-white-efd32576079839534d5b6e87bf4424e99b12624f854b2c500a4d3f0b6e2af46b.svg
19 ms
Ofrg4fSrRCQ9IkNpSveu_final-csharp-bwcourses-logo.png
230 ms
o7E5J08WRxS5UxkU5pEw_huw240x240.png
139 ms
jHQKkpHrTIGlymwZmbOW_final-bwcourses-learn-to-program-c-image.png
181 ms
yEhwPRxGSH0d7vNgSzwz_final-bwcourses-learn-to-program-pascal-image.png
225 ms
KYbJf4gRjmmx8pnzk4Pf_final-bwcourses-progbiz-image.png
138 ms
y88tE3QuT3G0a5lD3KRp_final-bwcourses-learn-to-program-js-image.png
285 ms
proximanova-regular-webfont.woff
66 ms
proximanova-light-webfont.woff
67 ms
proximanova-semibold-webfont.woff
70 ms
proximanova-bold-webfont.woff
69 ms
proximanova-extrabold-webfont.woff
66 ms
iframe_shim
47 ms
collect
17 ms
fontawesome-webfont.woff
6 ms
nr-885.min.js
43 ms
bitwisecourses.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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
bitwisecourses.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
bitwisecourses.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 Bitwisecourses.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 Bitwisecourses.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.
bitwisecourses.com
Open Graph description is not detected on the main page of Bitwise Courses. 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: