2.7 sec in total
329 ms
2.2 sec
164 ms
Click here to check amazing SSEL Caltech content for United States. Otherwise, check out these important facts you probably never knew about ssel.caltech.edu
iDea a Bootstrap-based, Responsive HTML5 Template
Visit ssel.caltech.eduWe analyzed Ssel.caltech.edu page load time and found that the first response time was 329 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.
ssel.caltech.edu performance score
name
value
score
weighting
Value2.9 s
52/100
10%
Value3.9 s
51/100
25%
Value4.7 s
69/100
10%
Value20 ms
100/100
30%
Value0.119
84/100
15%
Value4.4 s
83/100
10%
329 ms
25 ms
36 ms
533 ms
270 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 Ssel.caltech.edu, 8% (3 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Ssel.caltech.edu.
Page size can be reduced by 868.4 kB (79%)
1.1 MB
230.7 kB
In fact, the total size of Ssel.caltech.edu 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. 25% of websites need less resources to load. Javascripts take 537.6 kB which makes up the majority of the site volume.
Potential reduce by 12.4 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 6.7 kB, which is 45% 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 12.4 kB or 84% of the original size.
Potential reduce by 4.7 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, SSEL Caltech needs image optimization as it can save up to 4.7 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 395.0 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 395.0 kB or 73% of the original size.
Potential reduce by 456.3 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. Ssel.caltech.edu needs all CSS files to be minified and compressed as it can save up to 456.3 kB or 88% of the original size.
Number of requests can be reduced by 26 (81%)
32
6
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SSEL 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 14 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
ssel.caltech.edu
329 ms
css
25 ms
css
36 ms
bootstrap.css
533 ms
font-awesome.css
270 ms
fontello.css
272 ms
settings.css
404 ms
extralayers.css
272 ms
magnific-popup.css
329 ms
animations.css
409 ms
owl.carousel.css
410 ms
style.css
827 ms
orange.css
551 ms
custom.css
552 ms
ssel_block_logo.jpg
675 ms
hss_logo.jpg
493 ms
jquery.min.js
870 ms
bootstrap.min.js
746 ms
modernizr.js
613 ms
jquery.themepunch.tools.min.js
906 ms
jquery.themepunch.revolution.min.js
1026 ms
isotope.pkgd.min.js
948 ms
owl.carousel.js
1099 ms
jquery.magnific-popup.min.js
1013 ms
jquery.appear.js
1009 ms
jquery.countTo.js
1041 ms
jquery.parallax-1.1.3.js
1081 ms
jquery.validate.js
1357 ms
template.js
1283 ms
custom.js
1160 ms
animate.css
1171 ms
pattern-1.png
78 ms
u-WUoqrET9fUeobQW7jkRaCWcynf_cDxXwCLxiixG1c.ttf
28 ms
DXI1ORHCpsQm3Vp6mXoaTdqQynqKV_9Plp7mupa0S4g.ttf
29 ms
k3k702ZOKiLJc3WVjuplzNqQynqKV_9Plp7mupa0S4g.ttf
28 ms
fontawesome-webfont.woff
334 ms
ssel.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.
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
ssel.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
General
Impact
Issue
Detected JavaScript libraries
ssel.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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ssel.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 Ssel.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.
ssel.caltech.edu
Open Graph description is not detected on the main page of SSEL 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: