1.9 sec in total
422 ms
1.4 sec
122 ms
Welcome to cryoem.ucsd.edu homepage info - get ready to check Cryo EM Ucsd best content for United States right away, or after learning these important things about cryoem.ucsd.edu
Cryo-EM at UC San Diego
Visit cryoem.ucsd.eduWe analyzed Cryoem.ucsd.edu page load time and found that the first response time was 422 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
cryoem.ucsd.edu performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value7.4 s
4/100
25%
Value5.8 s
50/100
10%
Value70 ms
99/100
30%
Value0.355
31/100
15%
Value6.8 s
55/100
10%
422 ms
70 ms
20 ms
137 ms
206 ms
Our browser made a total of 34 requests to load all elements on the main page. We found that 94% of them (32 requests) were addressed to the original Cryoem.ucsd.edu, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (748 ms) belongs to the original domain Cryoem.ucsd.edu.
Page size can be reduced by 83.3 kB (19%)
441.5 kB
358.3 kB
In fact, the total size of Cryoem.ucsd.edu main page is 441.5 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. 20% of websites need less resources to load. Images take 365.3 kB which makes up the majority of the site volume.
Potential reduce by 7.0 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 7.0 kB or 72% of the original size.
Potential reduce by 31.7 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. Cryo EM Ucsd images are well optimized though.
Potential reduce by 32.0 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 32.0 kB or 60% of the original size.
Potential reduce by 12.5 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. Cryoem.ucsd.edu needs all CSS files to be minified and compressed as it can save up to 12.5 kB or 92% of the original size.
Number of requests can be reduced by 24 (73%)
33
9
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cryo EM Ucsd. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
cryoem.ucsd.edu
422 ms
baker2.css
70 ms
analytics.js
20 ms
UCSD-frontpage_01.jpg
137 ms
UCSD-frontpage_02.jpg
206 ms
intro-button.gif
139 ms
members-button.gif
139 ms
courses-button.gif
140 ms
images-button.gif
139 ms
publications-button.gif
204 ms
computer-programs-button.gif
205 ms
documentation-button.gif
206 ms
microscope-access-button.gif
205 ms
microscope-button.gif
210 ms
UCSD-frontpage_04.jpg
339 ms
UCSD-frontpage_05.jpg
339 ms
contact-button.gif
272 ms
sitemap-button.gif
272 ms
search-button.gif
273 ms
positionOpen-button.gif
278 ms
UCSD-frontpage_07.jpg
476 ms
cus-3.png
748 ms
blue-dot.gif
341 ms
collect
25 ms
intro-button-over.gif
70 ms
members-button-over.gif
73 ms
courses-button-over.gif
70 ms
images-button-over.gif
71 ms
publications-button-over.gif
70 ms
computer-programs-over.gif
71 ms
documentation-button-over.gif
137 ms
contact-button-over.gif
137 ms
sitemap-button-over.gif
138 ms
search-button-over.gif
138 ms
cryoem.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 IDs are not unique
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
Image elements do not have [alt] attributes
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
cryoem.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
cryoem.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
Image elements do not have [alt] attributes
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
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cryoem.ucsd.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 Cryoem.ucsd.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.
cryoem.ucsd.edu
Open Graph description is not detected on the main page of Cryo EM 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: