2.7 sec in total
155 ms
1.8 sec
744 ms
Visit bigocheatsheet.com now to see the best up-to-date Big O Cheat Sheet content for India and also check out these interesting facts you probably never knew about bigocheatsheet.com
Visit bigocheatsheet.comWe analyzed Bigocheatsheet.com page load time and found that the first response time was 155 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
bigocheatsheet.com performance score
name
value
score
weighting
Value2.1 s
80/100
10%
Value2.1 s
95/100
25%
Value11.5 s
5/100
10%
Value4,430 ms
0/100
30%
Value0.025
100/100
15%
Value26.9 s
0/100
10%
155 ms
63 ms
115 ms
122 ms
8 ms
Our browser made a total of 71 requests to load all elements on the main page. We found that 8% of them (6 requests) were addressed to the original Bigocheatsheet.com, 14% (10 requests) were made to A.disquscdn.com and 8% (6 requests) were made to Images.taboola.com. The less responsive or slowest element that took the longest time to load (624 ms) relates to the external source Static.xx.fbcdn.net.
Page size can be reduced by 604.4 kB (59%)
1.0 MB
423.3 kB
In fact, the total size of Bigocheatsheet.com main page is 1.0 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. Javascripts take 690.9 kB which makes up the majority of the site volume.
Potential reduce by 33.5 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 6.1 kB, which is 15% 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 33.5 kB or 83% of the original size.
Potential reduce by 23.8 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, Big O Cheat Sheet needs image optimization as it can save up to 23.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 448.0 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 448.0 kB or 65% of the original size.
Potential reduce by 99.1 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. Bigocheatsheet.com needs all CSS files to be minified and compressed as it can save up to 99.1 kB or 83% of the original size.
Number of requests can be reduced by 42 (62%)
68
26
The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Big O Cheat Sheet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
bigocheatsheet.com
155 ms
bootstrap.min.css
63 ms
bootstrap-responsive.min.css
115 ms
main.css
122 ms
show_ads.js
8 ms
widgets.js
8 ms
jquery-latest.js
10 ms
bootstrap.min.js
137 ms
zrt_lookup.html
40 ms
show_ads_impl.js
44 ms
ir
29 ms
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29 ms
ir
29 ms
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29 ms
big-o-complexity.png
122 ms
ads
178 ms
plusone.js
63 ms
all.js
279 ms
ads
173 ms
osd.js
66 ms
embed.js
172 ms
ads
231 ms
ga.js
20 ms
cb=gapi.loaded_0
26 ms
__utm.gif
13 ms
m_js_controller.js
56 ms
abg.js
66 ms
196 ms
event.gif
102 ms
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favicon
85 ms
googlelogo_color_112x36dp.png
71 ms
nessie_icon_tiamat_white.png
35 ms
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x_button_blue2.png
24 ms
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xd_arbiter.php
264 ms
xd_arbiter.php
470 ms
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11 ms
loader.js
86 ms
impl.198-RELEASE.js
13 ms
beacon.js
5 ms
lounge.load.e2fc594a565a0ae3087d7bef2197e676.js
62 ms
json
80 ms
lounge.f668c82e65f78693a6a62a5c7d3e54b8.css
91 ms
config.js
9 ms
common.bundle.995b5e098e64298c983c9d14bea8019c.js
145 ms
lounge.bundle.e29e471e20e4b7565ed0603371fb96e8.js
178 ms
event.gif
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2fcd5b13-caf8-44b8-8412-df78471f1bc0.jpg
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ui
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like.php
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624 ms
loader.5cc23909da9c4a9874500d7a85c4125f.gif
34 ms
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sprite.06bad3144429d24544aa8b00ffd77160.png
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ga.js
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icons.dcb5405f8abc9a80e5628869f735eaf0.woff
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alfie.f51946af45e0b561c60f768335c9eb79.js
41 ms
noavatar92.4549c5353ccf103d32a8b81a856576ed.png
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noavatar92.png
41 ms
__utm.gif
32 ms
ping
214 ms
event.gif
164 ms
bigocheatsheet.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
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
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
bigocheatsheet.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
bigocheatsheet.com SEO score
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
EN
N/A
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bigocheatsheet.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 Bigocheatsheet.com main page’s claimed encoding is . 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.
bigocheatsheet.com
Open Graph description is not detected on the main page of Big O Cheat Sheet. 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: