3.1 sec in total
126 ms
2.7 sec
260 ms
Visit coursebuffet.com now to see the best up-to-date Course Buffet content for United States and also check out these interesting facts you probably never knew about coursebuffet.com
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Visit coursebuffet.comWe analyzed Coursebuffet.com page load time and found that the first response time was 126 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
coursebuffet.com performance score
name
value
score
weighting
Value3.1 s
45/100
10%
Value7.2 s
5/100
25%
Value7.5 s
26/100
10%
Value3,940 ms
1/100
30%
Value0.006
100/100
15%
Value13.2 s
12/100
10%
126 ms
272 ms
47 ms
118 ms
172 ms
Our browser made a total of 71 requests to load all elements on the main page. We found that 44% of them (31 requests) were addressed to the original Coursebuffet.com, 15% (11 requests) were made to Scontent.xx.fbcdn.net and 14% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (874 ms) relates to the external source Staticxx.facebook.com.
Page size can be reduced by 659.1 kB (47%)
1.4 MB
741.5 kB
In fact, the total size of Coursebuffet.com main page is 1.4 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. 55% of websites need less resources to load. Images take 564.7 kB which makes up the majority of the site volume.
Potential reduce by 159.7 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 159.7 kB or 88% of the original size.
Potential reduce by 23.7 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. Course Buffet images are well optimized though.
Potential reduce by 223.2 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 223.2 kB or 63% of the original size.
Potential reduce by 252.6 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. Coursebuffet.com needs all CSS files to be minified and compressed as it can save up to 252.6 kB or 84% of the original size.
Number of requests can be reduced by 33 (49%)
68
35
The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Course Buffet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
coursebuffet.com
126 ms
www.coursebuffet.com
272 ms
font-awesome.min.css
47 ms
normalize.min.css
118 ms
bootstrap.min.css
172 ms
bootstrap-theme.css
127 ms
jasny-bootstrap.min.css
124 ms
polyfill.object-fit.css
123 ms
main.css
161 ms
modernizr-2.6.2.min.js
224 ms
slick.css
271 ms
jquery.min.js
48 ms
bootstrap.min.js
269 ms
jasny-bootstrap.min.js
269 ms
jquery.lazyload.js
47 ms
jquery.easing.min.js
49 ms
typeahead.bundle.min.js
379 ms
jquery.anyslider.js
382 ms
handlebars.js
444 ms
coursebuffet.js
470 ms
slick.min.js
475 ms
polyfill.object-fit.min.js
467 ms
jquery.scrollTo.min.js
380 ms
css
58 ms
follow_button.html
359 ms
cb-logo-white.png
446 ms
icon-about-1.png
443 ms
icon-about-2.png
583 ms
icon-about-3.png
584 ms
bg_oct.jpg
720 ms
fontawesome-webfont.woff
16 ms
analytics.js
226 ms
sdk.js
701 ms
widgets.js
282 ms
subjects.json
476 ms
providers.json
484 ms
algo.png
452 ms
introduction-computer-science-harvardx-cs50x.jpg
428 ms
cs253.jpg
423 ms
pythonlearn.png
617 ms
introduction-linux-linuxfoundationx-lfs101x-2.jpg
498 ms
intro-to-relational-databases--ud197.jpg
552 ms
collect
104 ms
collect
238 ms
55 ms
xd_arbiter.php
874 ms
nr-852.min.js
847 ms
page.php
70 ms
page.php
85 ms
59b521a3af
181 ms
eBwTbg8G3cT.css
41 ms
lEC7t4ATkwe.css
57 ms
_rx8naC75Dy.js
70 ms
x5F9OMjKyLw.js
87 ms
ICDbTSzjQEg.js
86 ms
TTCre3391I0.js
87 ms
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66 ms
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42 ms
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43 ms
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43 ms
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17 ms
s7jcwEQH7Sx.png
18 ms
I6-MnjEovm5.js
8 ms
vlXaquuXMrr.js
15 ms
coursebuffet.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
coursebuffet.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
coursebuffet.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coursebuffet.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 Coursebuffet.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.
coursebuffet.com
Open Graph data is detected on the main page of Course Buffet. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: