14.1 sec in total
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13.1 sec
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Welcome to physics.ucsd.edu homepage info - get ready to check Physics Ucsd best content for United States right away, or after learning these important things about physics.ucsd.edu
Visit physics.ucsd.eduWe analyzed Physics.ucsd.edu page load time and found that the first response time was 643 ms and then it took 13.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
physics.ucsd.edu performance score
name
value
score
weighting
Value6.8 s
2/100
10%
Value10.9 s
0/100
25%
Value7.5 s
26/100
10%
Value640 ms
46/100
30%
Value0.055
98/100
15%
Value6.9 s
54/100
10%
643 ms
477 ms
612 ms
341 ms
138 ms
Our browser made a total of 189 requests to load all elements on the main page. We found that all of those requests were addressed to Physics.ucsd.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Physics.ucsd.edu.
Page size can be reduced by 539.6 kB (11%)
5.0 MB
4.5 MB
In fact, the total size of Physics.ucsd.edu main page is 5.0 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. Images take 4.6 MB which makes up the majority of the site volume.
Potential reduce by 80.5 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 13.4 kB, which is 14% 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 80.5 kB or 87% of the original size.
Potential reduce by 228.9 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. Physics Ucsd images are well optimized though.
Potential reduce by 188.2 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 188.2 kB or 77% of the original size.
Potential reduce by 42.1 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. Physics.ucsd.edu needs all CSS files to be minified and compressed as it can save up to 42.1 kB or 82% of the original size.
Number of requests can be reduced by 14 (8%)
184
170
The browser has sent 184 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Physics 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 from 8 to 1 for CSS and as a result speed up the page load time.
physics.ucsd.edu
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physics.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-hidden="true"] elements contain focusable descendents
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.
[aria-*] attributes do not have valid values
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
physics.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
physics.ucsd.edu SEO score
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 Physics.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 Physics.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.
physics.ucsd.edu
Open Graph description is not detected on the main page of Physics 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: