5.8 sec in total
88 ms
4.4 sec
1.3 sec
Welcome to ivolatility.com homepage info - get ready to check IVolatility best content for France right away, or after learning these important things about ivolatility.com
The world's deepest database of options and futures prices, volatility, surfaces, and more with analytical tools for retail traders and institutional investors.
Visit ivolatility.comWe analyzed Ivolatility.com page load time and found that the first response time was 88 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
ivolatility.com performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value5.1 s
25/100
25%
Value3.8 s
83/100
10%
Value840 ms
34/100
30%
Value0.352
31/100
15%
Value5.7 s
68/100
10%
88 ms
125 ms
76 ms
62 ms
63 ms
Our browser made a total of 120 requests to load all elements on the main page. We found that 37% of them (44 requests) were addressed to the original Ivolatility.com, 28% (34 requests) were made to Ivx.ivolatility.com and 9% (11 requests) were made to S0.2mdn.net. The less responsive or slowest element that took the longest time to load (718 ms) relates to the external source Ivx.ivolatility.com.
Page size can be reduced by 679.5 kB (78%)
874.8 kB
195.3 kB
In fact, the total size of Ivolatility.com main page is 874.8 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. 65% of websites need less resources to load. Javascripts take 743.2 kB which makes up the majority of the site volume.
Potential reduce by 83.0 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. 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 83.0 kB or 86% of the original size.
Potential reduce by 3.6 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, IVolatility needs image optimization as it can save up to 3.6 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 588.1 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 588.1 kB or 79% of the original size.
Potential reduce by 4.8 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. Ivolatility.com needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 82% of the original size.
Number of requests can be reduced by 60 (52%)
115
55
The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IVolatility. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and as a result speed up the page load time.
ivolatility.com
88 ms
www.ivolatility.com
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main_v.css
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menu.js
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help.js
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control.js
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ivolatility.com accessibility score
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
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
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
ivolatility.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
ivolatility.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
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ivolatility.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 Ivolatility.com main page’s claimed encoding is iso-8859-1. 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.
ivolatility.com
Open Graph description is not detected on the main page of IVolatility. 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: