2.7 sec in total
292 ms
2.1 sec
281 ms
Welcome to ee.caltech.edu homepage info - get ready to check Ee Caltech best content for United States right away, or after learning these important things about ee.caltech.edu
Visit ee.caltech.eduWe analyzed Ee.caltech.edu page load time and found that the first response time was 292 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
ee.caltech.edu performance score
name
value
score
weighting
Value5.0 s
9/100
10%
Value8.5 s
1/100
25%
Value6.9 s
33/100
10%
Value420 ms
66/100
30%
Value0.414
24/100
15%
Value8.8 s
35/100
10%
292 ms
274 ms
142 ms
408 ms
139 ms
Our browser made a total of 47 requests to load all elements on the main page. We found that 81% of them (38 requests) were addressed to the original Ee.caltech.edu, 9% (4 requests) were made to Google.com and 6% (3 requests) were made to News.eas.caltech.edu. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Ee.caltech.edu.
Page size can be reduced by 132.4 kB (15%)
866.8 kB
734.4 kB
In fact, the total size of Ee.caltech.edu main page is 866.8 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. 35% of websites need less resources to load. Images take 690.4 kB which makes up the majority of the site volume.
Potential reduce by 17.7 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 4.3 kB, which is 18% 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 17.7 kB or 76% of the original size.
Potential reduce by 19.8 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. Ee Caltech images are well optimized though.
Potential reduce by 60.5 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 60.5 kB or 55% of the original size.
Potential reduce by 34.4 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. Ee.caltech.edu needs all CSS files to be minified and compressed as it can save up to 34.4 kB or 82% of the original size.
Number of requests can be reduced by 18 (39%)
46
28
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ee 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 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
ee.caltech.edu
292 ms
all.css
274 ms
slimbox2.css
142 ms
jquery-1.4.2.min.js
408 ms
jquery.main.js
139 ms
slimbox2.js
142 ms
jsapi
67 ms
search.js
200 ms
17 ms
print.css
146 ms
default+en.css
4 ms
default+en.I.js
9 ms
engenious-metal-cover.jpg
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ee-title.png
221 ms
solar.jpg
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hajimiri.jpg
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emami2.jpg
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tai2.jpg
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yang2.jpg
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moore.jpg
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hajimiri1.jpg
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emami.jpg
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tai.jpg
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choo.jpg
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yang.jpg
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nanofab1.jpg
769 ms
bg-two-col-box.gif
703 ms
ee-symposium-videos.jpg
985 ms
ali-hajimiri.jpg
711 ms
engenious.jpg
716 ms
bg-header.gif
727 ms
bg-division.gif
837 ms
home-icon.png
848 ms
btn-search.png
851 ms
ee.png
864 ms
banner-1.jpg
1105 ms
banner-2.jpg
1192 ms
banner-3.jpg
1117 ms
banner-4.jpg
1186 ms
none.gif
1005 ms
Caltech_LOGO-BLACK.png
1119 ms
venkat-chandrasekaran.jpg
339 ms
venkat-chandrasekaran.jpg
347 ms
bg-top.gif
1122 ms
analytics.js
25 ms
divider8.gif
1201 ms
collect
16 ms
ee.caltech.edu accessibility score
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
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.
ee.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
ee.caltech.edu SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ee.caltech.edu 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 Ee.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.
ee.caltech.edu
Open Graph description is not detected on the main page of Ee 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: