1.8 sec in total
198 ms
1.4 sec
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Visit californiasciencecenter.org now to see the best up-to-date California Science Center content for United States and also check out these interesting facts you probably never knew about californiasciencecenter.org
Visit californiasciencecenter.orgWe analyzed Californiasciencecenter.org page load time and found that the first response time was 198 ms and then it took 1.6 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.
californiasciencecenter.org performance score
name
value
score
weighting
Value3.1 s
46/100
10%
Value29.2 s
0/100
25%
Value15.5 s
0/100
10%
Value740 ms
40/100
30%
Value0.001
100/100
15%
Value24.3 s
0/100
10%
198 ms
140 ms
145 ms
146 ms
209 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 72% of them (33 requests) were addressed to the original Californiasciencecenter.org, 13% (6 requests) were made to Use.typekit.net and 7% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (616 ms) belongs to the original domain Californiasciencecenter.org.
Page size can be reduced by 264.3 kB (30%)
876.2 kB
612.0 kB
In fact, the total size of Californiasciencecenter.org main page is 876.2 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. 50% of websites need less resources to load. Images take 554.7 kB which makes up the majority of the site volume.
Potential reduce by 30.9 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 30.9 kB or 78% of the original size.
Potential reduce by 14.3 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. California Science Center images are well optimized though.
Potential reduce by 83.2 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 83.2 kB or 69% of the original size.
Potential reduce by 136.0 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. Californiasciencecenter.org needs all CSS files to be minified and compressed as it can save up to 136.0 kB or 84% of the original size.
Number of requests can be reduced by 20 (56%)
36
16
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of California Science Center. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
californiasciencecenter.org
198 ms
css_FIGo9Rcd0q2etsx2SwmyO98NqU0aYvmvubojivseHBI.css
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css_lELBa70xSTKFOoQ5U-VbbDmp78eFhbBMkwPwAsGfvlc.css
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jquery-1.7.2.min.js
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analytics.js
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get-content
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californiasciencecenter.org 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-hidden="true"] elements contain focusable descendents
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
californiasciencecenter.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
californiasciencecenter.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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Californiasciencecenter.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 Californiasciencecenter.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.
californiasciencecenter.org
Open Graph description is not detected on the main page of California Science Center. 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: