2.1 sec in total
51 ms
1.5 sec
605 ms
Click here to check amazing Cboe content for United States. Otherwise, check out these important facts you probably never knew about cboe.com
Cboe Global Markets, a leading provider of market infrastructure and tradable products, delivers cutting-edge trading, clearing and investment solutions to market participants around the world.
Visit cboe.comWe analyzed Cboe.com page load time and found that the first response time was 51 ms and then it took 2.1 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.
cboe.com performance score
name
value
score
weighting
Value4.2 s
20/100
10%
Value27.5 s
0/100
25%
Value14.1 s
1/100
10%
Value2,010 ms
7/100
30%
Value0.016
100/100
15%
Value25.2 s
0/100
10%
51 ms
83 ms
127 ms
49 ms
28 ms
Our browser made a total of 70 requests to load all elements on the main page. We found that 47% of them (33 requests) were addressed to the original Cboe.com, 6% (4 requests) were made to Embed-ssl.wistia.com and 6% (4 requests) were made to 4369706.fls.doubleclick.net. The less responsive or slowest element that took the longest time to load (427 ms) belongs to the original domain Cboe.com.
Page size can be reduced by 647.9 kB (18%)
3.7 MB
3.0 MB
In fact, the total size of Cboe.com main page is 3.7 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 2.5 MB which makes up the majority of the site volume.
Potential reduce by 108.0 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 47.9 kB, which is 40% 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 108.0 kB or 89% of the original size.
Potential reduce by 536.1 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, Cboe needs image optimization as it can save up to 536.1 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 498 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.
Potential reduce by 3.3 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. Cboe.com has all CSS files already compressed.
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 Cboe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
cboe.com
51 ms
www.cboe.com
83 ms
gtm.js
127 ms
css2
49 ms
826383208713cbe6f14512c9e363bf99.css
28 ms
4a266802dae8634e9225763746b3b52f.css
62 ms
ab10881f108c374f319c15f773e84b7c.css
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3546e212897ee0e2066a48e4ce8d22c6.css
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4b77d2557994a99bfff739b018c9e063.css
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596f543974abd6b18b10ccf60dd05acd.css
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4607101f54980750fe835cc0aa74f045.js
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80c1be511819bb93891b0eb3450f2a6b.js
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ffc45bce88995ecf3f4f8d57c279763d.js
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b099e7b0b14adeb9a75063f735c3df4c.js
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53a57a0f27006314f613998fc1db81d0.js
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57852b407264f3c560f79ee72e4a2264.js
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ceaf467ffcc5b84b87186d1996389fe4.js
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17aaacf24c518af0bffbab105fa91cc5.js
427 ms
8f88ea6d31b448fd8609b1299dc2abf9
210 ms
99da2ee558337b95bad20a34fd986cdc.jpg
183 ms
cboe_logo.svg
160 ms
arrow-5000-forward.svg
161 ms
cityscape-tv-US.png
322 ms
card-markets.jpg
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card-trade.jpg
196 ms
card-listings.jpg
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card-data-analytics.jpg
188 ms
cboe_logo_inv_50th.svg
182 ms
cboe_exchange_text_logo.png
327 ms
rss-icon.svg
330 ms
twitter-icon.svg
326 ms
youtube-icon.svg
331 ms
facebook-icon.svg
333 ms
linkedin-icon.svg
332 ms
instagram-icon.svg
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concentric_squares.png
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4631730ead524f32ad0b7f4a53c67d4a
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24129cec67cb2190bde8c020ee7ebc7c.jpg
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1f61d5798bf0e9eadddf06056690851e.jpg
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js
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destination
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i1dgwstdnl
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1bC4B2mo.min.js
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clarity.js
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sync
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activityi;src=4369706;type=globa0;cat=marke0;ord=1;num=2716671358025;npa=0;auiddc=829114365.1714862085;pscdl=noapi;gtm=45fe4510z871498128za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cboe.com%2F
171 ms
activityi;src=4369706;type=homep0;cat=cboe-0;ord=1;num=6387199367234;npa=0;auiddc=829114365.1714862085;pscdl=noapi;gtm=45fe4510z871498128za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cboe.com%2F
179 ms
activityi;src=4369706;type=cboeb0;cat=cboe-00;ord=4298066192120;npa=0;auiddc=829114365.1714862085;pscdl=noapi;gtm=45fe4510z871498128za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cboe.com%2F
183 ms
activityi;src=4369706;type=pagev0;cat=cboeb0;ord=2164336286881;npa=0;auiddc=829114365.1714862085;u2=1_02;u3=0;pscdl=noapi;gtm=45fe4510z871498128za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cboe.com%2F
160 ms
sync
38 ms
tap.php
39 ms
ip.json
76 ms
ping.min.js
102 ms
uwt.js
66 ms
bat.js
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insight.min.js
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src=4369706;type=globa0;cat=marke0;ord=1;num=2716671358025;npa=0;auiddc=*;pscdl=noapi;gtm=45fe4510z871498128za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cboe.com%2F
128 ms
rum
51 ms
src=4369706;type=pagev0;cat=cboeb0;ord=2164336286881;npa=0;auiddc=*;u2=1_02;u3=0;pscdl=noapi;gtm=45fe4510z871498128za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cboe.com%2F
154 ms
log
88 ms
src=4369706;type=homep0;cat=cboe-0;ord=1;num=6387199367234;npa=0;auiddc=*;pscdl=noapi;gtm=45fe4510z871498128za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cboe.com%2F
145 ms
src=4369706;type=cboeb0;cat=cboe-00;ord=4298066192120;npa=0;auiddc=*;pscdl=noapi;gtm=45fe4510z871498128za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cboe.com%2F
137 ms
adsct
107 ms
adsct
195 ms
pd.js
71 ms
analytics
196 ms
c.gif
9 ms
cboe.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 have valid values
ARIA IDs are not unique
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
cboe.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
cboe.com 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
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
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cboe.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Cboe.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.
cboe.com
Open Graph description is not detected on the main page of Cboe. 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: