2.4 sec in total
133 ms
2 sec
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Welcome to calacademy.org homepage info - get ready to check CA L Academy best content for United States right away, or after learning these important things about calacademy.org
The California Academy of Sciences is a science museum—and scientific and educational institution—located in San Francisco's Golden Gate Park.
Visit calacademy.orgWe analyzed Calacademy.org page load time and found that the first response time was 133 ms and then it took 2.3 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.
calacademy.org performance score
name
value
score
weighting
Value6.7 s
2/100
10%
Value9.4 s
1/100
25%
Value9.0 s
14/100
10%
Value1,590 ms
12/100
30%
Value0
100/100
15%
Value15.7 s
6/100
10%
133 ms
336 ms
100 ms
63 ms
68 ms
Our browser made a total of 70 requests to load all elements on the main page. We found that 44% of them (31 requests) were addressed to the original Calacademy.org, 14% (10 requests) were made to and 7% (5 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (801 ms) belongs to the original domain Calacademy.org.
Page size can be reduced by 210.9 kB (12%)
1.8 MB
1.6 MB
In fact, the total size of Calacademy.org main page is 1.8 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. 70% of websites need less resources to load. Images take 805.4 kB which makes up the majority of the site volume.
Potential reduce by 59.3 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 59.3 kB or 79% of the original size.
Potential reduce by 707 B
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. CA L Academy images are well optimized though.
Potential reduce by 9.8 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. This website has mostly compressed JavaScripts.
Potential reduce by 141.1 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. Calacademy.org needs all CSS files to be minified and compressed as it can save up to 141.1 kB or 32% of the original size.
Number of requests can be reduced by 39 (68%)
57
18
The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CA L Academy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
calacademy.org
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calacademy.org accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
calacademy.org 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
calacademy.org 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
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 Calacademy.org 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 Calacademy.org 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.
calacademy.org
Open Graph data is detected on the main page of CA L Academy. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: