2.6 sec in total
543 ms
1.9 sec
152 ms
Welcome to sandera.ucsd.edu homepage info - get ready to check SanDERA Ucsd best content for United States right away, or after learning these important things about sandera.ucsd.edu
The San Diego Education Research Alliance (SanDERA) at the University of California, San Diego (UC San Diego) conducts rigorous and relevant research that contributes to the development of education p...
Visit sandera.ucsd.eduWe analyzed Sandera.ucsd.edu page load time and found that the first response time was 543 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
sandera.ucsd.edu performance score
name
value
score
weighting
Value4.3 s
18/100
10%
Value7.7 s
3/100
25%
Value13.2 s
2/100
10%
Value12,750 ms
0/100
30%
Value0.263
47/100
15%
Value22.1 s
1/100
10%
543 ms
767 ms
821 ms
156 ms
638 ms
Our browser made a total of 26 requests to load all elements on the main page. We found that 12% of them (3 requests) were addressed to the original Sandera.ucsd.edu, 38% (10 requests) were made to Cdn.ucsd.edu and 35% (9 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (841 ms) relates to the external source Cdn.ucsd.edu.
Page size can be reduced by 284.2 kB (53%)
533.6 kB
249.4 kB
In fact, the total size of Sandera.ucsd.edu main page is 533.6 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 200.4 kB which makes up the majority of the site volume.
Potential reduce by 29.7 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 12.4 kB, which is 33% 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 29.7 kB or 80% of the original size.
Potential reduce by 2.7 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. SanDERA Ucsd images are well optimized though.
Potential reduce by 124.5 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 124.5 kB or 62% of the original size.
Potential reduce by 127.3 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. Sandera.ucsd.edu needs all CSS files to be minified and compressed as it can save up to 127.3 kB or 83% of the original size.
Number of requests can be reduced by 7 (44%)
16
9
The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SanDERA Ucsd. 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 as a result speed up the page load time.
sandera.ucsd.edu
543 ms
bootstrap.css
767 ms
base-min.css
821 ms
site-specific.css
156 ms
modernizr.js
638 ms
zqx2vjc.js
39 ms
jquery.min.js
841 ms
message.js
459 ms
vendor.js
839 ms
base-min.js
577 ms
decorator.js
641 ms
ucsd-exec-staff-b-small.jpg
542 ms
sprite_base.png
303 ms
sprite_icon_widget.png
142 ms
ga.js
53 ms
glyphicons-halflings-regular.woff
255 ms
d
18 ms
d
32 ms
d
30 ms
d
33 ms
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44 ms
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34 ms
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52 ms
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44 ms
__utm.gif
18 ms
p.gif
13 ms
sandera.ucsd.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-*] attributes do not match their roles
ARIA IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Some elements have a [tabindex] value greater than 0
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
sandera.ucsd.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
sandera.ucsd.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 Sandera.ucsd.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 Sandera.ucsd.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.
sandera.ucsd.edu
Open Graph description is not detected on the main page of SanDERA Ucsd. 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: