1.2 sec in total
157 ms
963 ms
59 ms
Welcome to coalexander.com homepage info - get ready to check Co Alexander best content right away, or after learning these important things about coalexander.com
Professor Carol Alexander, Biography, Activities: Risk Analysis, Exchanges, Derivatives, Fund Management, Alpha, Quantitative Finance, Mathematical Finance, Econometrics, Teaching, Research, Consultan...
Visit coalexander.comWe analyzed Coalexander.com page load time and found that the first response time was 157 ms and then it took 1 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.
coalexander.com performance score
name
value
score
weighting
Value2.2 s
77/100
10%
Value6.1 s
12/100
25%
Value4.2 s
78/100
10%
Value480 ms
60/100
30%
Value0.061
97/100
15%
Value11.3 s
19/100
10%
157 ms
19 ms
60 ms
265 ms
2 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Coalexander.com, 49% (17 requests) were made to Static.parastorage.com and 34% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (344 ms) relates to the external source Static.wixstatic.com.
Page size can be reduced by 728.0 kB (66%)
1.1 MB
371.4 kB
In fact, the total size of Coalexander.com main page is 1.1 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. 45% of websites need less resources to load. HTML takes 790.9 kB which makes up the majority of the site volume.
Potential reduce by 643.8 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 643.8 kB or 81% of the original size.
Potential reduce by 84.1 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, Co Alexander needs image optimization as it can save up to 84.1 kB or 84% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 80 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.
Number of requests can be reduced by 10 (56%)
18
8
The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Co Alexander. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.
www.coalexander.com
157 ms
minified.js
19 ms
focus-within-polyfill.js
60 ms
polyfill.min.js
265 ms
thunderbolt-commons.7c91a755.bundle.min.js
2 ms
main.8534eeb3.bundle.min.js
6 ms
lodash.min.js
6 ms
react.production.min.js
8 ms
react-dom.production.min.js
8 ms
siteTags.bundle.min.js
8 ms
wix-perf-measure.umd.min.js
9 ms
11062b_63b1ed2e773e4f6088d3b1ff2f087d16f000.jpg
204 ms
CA.jpg
344 ms
ironpatern.84ec58ff.png
8 ms
bundle.min.js
68 ms
opensans-regular-webfont.woff
49 ms
opensans-bold-webfont.woff
50 ms
opensans-italic-webfont.woff
50 ms
opensans-bolditalic-webfont.woff
51 ms
115 ms
116 ms
114 ms
112 ms
103 ms
107 ms
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105 ms
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107 ms
104 ms
104 ms
deprecation-en.v5.html
7 ms
bolt-performance
26 ms
deprecation-style.v5.css
11 ms
right-arrow.svg
11 ms
coalexander.com accessibility score
coalexander.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
coalexander.com SEO score
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
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coalexander.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 Coalexander.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.
coalexander.com
Open Graph data is detected on the main page of Co Alexander. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: