3.3 sec in total
456 ms
2.6 sec
195 ms
Welcome to me.caltech.edu homepage info - get ready to check Me Caltech best content for United States right away, or after learning these important things about me.caltech.edu
Caltech Engineering and Applied Science Mechanical and Civil Engineering Department website
Visit me.caltech.eduWe analyzed Me.caltech.edu page load time and found that the first response time was 456 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
me.caltech.edu performance score
name
value
score
weighting
Value4.1 s
22/100
10%
Value7.4 s
4/100
25%
Value5.4 s
56/100
10%
Value240 ms
85/100
30%
Value0.236
53/100
15%
Value7.3 s
49/100
10%
456 ms
1324 ms
216 ms
487 ms
43 ms
Our browser made a total of 62 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Me.caltech.edu, 79% (49 requests) were made to D39s7jey1vv9fu.cloudfront.net and 15% (9 requests) were made to Mce.caltech.edu. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Mce.caltech.edu.
Page size can be reduced by 419.5 kB (18%)
2.3 MB
1.9 MB
In fact, the total size of Me.caltech.edu main page is 2.3 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. 50% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.
Potential reduce by 25.0 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 25.0 kB or 78% of the original size.
Potential reduce by 154.2 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. Me Caltech images are well optimized though.
Potential reduce by 159.3 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 159.3 kB or 63% of the original size.
Potential reduce by 80.9 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. Me.caltech.edu needs all CSS files to be minified and compressed as it can save up to 80.9 kB or 80% of the original size.
Number of requests can be reduced by 3 (5%)
60
57
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Me 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 4 to 1 for JavaScripts and as a result speed up the page load time.
me.caltech.edu
456 ms
www.mce.caltech.edu
1324 ms
application-992faa93576578b0c261e67c0db8b3d78b3e7235ec358bc6c0fcaf31161006e0.css
216 ms
application-5cb7dfedb551cc0e2a412141f716df3d7010fb377c63f67c719dcdca25dcd27f.js
487 ms
jsapi
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bg-header2.jpg
65 ms
close-5d62e6c90005bfb71f6abb440f9e4753681cb23bbd5e60477ab6f442d2f0e69c.png
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loading-225aa88b6ab02c06222ec9468d62e15fa188e39cdb9431d1f55401ad380753ed.gif
111 ms
prev-7fd9273f20fdb1229c224341271a119020a5eee74ccf6b4605730917c864caf2.png
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next-15b869b02c6fbaa8c6c26445a2dd2d9bad80fd27b1409f8179e5dd89dc89d90a.png
185 ms
eas-division.png
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home-icon-old.png
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banner-1.jpg
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banner-8.jpg
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mce-logotype.png
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caltech.png
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dept-mce.png
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none.gif
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mce-logo.png
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hall-j.jpg
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ga.js
19 ms
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cse.js
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bx_loader-6d46e2cf165a5a0584afba7bc9663da292ee08c97cfc7613de6013ed05be892a.gif
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friction.jpg
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austin-minnich.jpg
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ares_rosakis.jpg
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Caltech_LOGO-BLACK.png
57 ms
bg-top.gif
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print-3b58ab4aef46570cc1153b3ac9bfb5b6a5b82e3ef90eea948f117e816f8e3e9c.css
146 ms
me.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-hidden="true"] elements contain focusable descendents
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
me.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Issues were logged in the Issues panel in Chrome Devtools
me.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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Me.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 Me.caltech.edu 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.
me.caltech.edu
Open Graph description is not detected on the main page of Me 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: