2.2 sec in total
342 ms
1.7 sec
109 ms
Click here to check amazing Cpa Caltech content for United States. Otherwise, check out these important facts you probably never knew about cpa.caltech.edu
Visit cpa.caltech.eduWe analyzed Cpa.caltech.edu page load time and found that the first response time was 342 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
cpa.caltech.edu performance score
name
value
score
weighting
Value2.6 s
62/100
10%
Value4.9 s
29/100
25%
Value6.7 s
37/100
10%
Value160 ms
94/100
30%
Value0.001
100/100
15%
Value8.7 s
36/100
10%
342 ms
143 ms
144 ms
145 ms
209 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that 86% of them (31 requests) were addressed to the original Cpa.caltech.edu, 6% (2 requests) were made to Cdn.mathjax.org and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (610 ms) belongs to the original domain Cpa.caltech.edu.
Page size can be reduced by 308.3 kB (59%)
525.3 kB
216.9 kB
In fact, the total size of Cpa.caltech.edu main page is 525.3 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. 25% of websites need less resources to load. Javascripts take 410.5 kB which makes up the majority of the site volume.
Potential reduce by 13.8 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 13.8 kB or 73% of the original size.
Potential reduce by 8.0 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, Cpa Caltech needs image optimization as it can save up to 8.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 268.9 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 268.9 kB or 66% of the original size.
Potential reduce by 17.6 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. Cpa.caltech.edu needs all CSS files to be minified and compressed as it can save up to 17.6 kB or 77% of the original size.
Number of requests can be reduced by 18 (51%)
35
17
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cpa Caltech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
cpa.caltech.edu
342 ms
Caslon.css
143 ms
Kievit.css
144 ms
Vaud.css
145 ms
modernizr-2.6.1.min.js
209 ms
html5boilerplate.css
156 ms
default.css
145 ms
public.css
279 ms
MathJax.js
14 ms
jquery-1.8.1.min.js
610 ms
jquery.collapse.js
295 ms
jquery.collapse_storage.js
294 ms
jquery.cycle2.min.js
419 ms
jquery.collapse_cookie_storage.js
339 ms
application.js
413 ms
caltech_authors.js
421 ms
image_gallery.js
422 ms
ga-download-tracking.js
476 ms
analytics.js
18 ms
TeX-AMS-MML_HTMLorMML.js
16 ms
collect
55 ms
images
54 ms
search-mag-white.png
153 ms
caltech-new-logo.png
155 ms
menu-pointer-1px.png
153 ms
79-caltech_postdocs_v2-_final.png
302 ms
5-facebook_logo_sm.jpg
164 ms
239-img_2203.jpg
284 ms
VaudBook-webfont.woff
402 ms
VaudUltra-webfont.woff
404 ms
VaudExtraBold-webfont.woff
335 ms
LTCCaslonLongWeb.woff
481 ms
KievitSlabWebPro-Medium.woff
532 ms
VaudBookIt-webfont.woff
549 ms
VaudUltraIt-webfont.woff
607 ms
print.css
137 ms
cpa.caltech.edu 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 input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
Links do not have a discernible name
cpa.caltech.edu 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
cpa.caltech.edu 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
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 Cpa.caltech.edu 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 Cpa.caltech.edu 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.
cpa.caltech.edu
Open Graph description is not detected on the main page of Cpa Caltech. 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: