1.7 sec in total
361 ms
1.2 sec
176 ms
Click here to check amazing DC Mad Science content for United States. Otherwise, check out these important facts you probably never knew about dc.madscience.org
Mad Science offers fun, hands-on science programs for kids in DC, Maryland and Virginia with birthday parties, after school-programs, summer camps and more!
Visit dc.madscience.orgWe analyzed Dc.madscience.org page load time and found that the first response time was 361 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
dc.madscience.org performance score
name
value
score
weighting
Value3.8 s
26/100
10%
Value7.5 s
4/100
25%
Value3.8 s
83/100
10%
Value130 ms
96/100
30%
Value0.275
44/100
15%
Value6.5 s
59/100
10%
361 ms
128 ms
146 ms
32 ms
52 ms
Our browser made a total of 99 requests to load all elements on the main page. We found that 27% of them (27 requests) were addressed to the original Dc.madscience.org, 25% (25 requests) were made to Static.xx.fbcdn.net and 12% (12 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (361 ms) belongs to the original domain Dc.madscience.org.
Page size can be reduced by 262.5 kB (27%)
960.2 kB
697.8 kB
In fact, the total size of Dc.madscience.org main page is 960.2 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 678.5 kB which makes up the majority of the site volume.
Potential reduce by 32.5 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. 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 32.5 kB or 74% of the original size.
Potential reduce by 64.8 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. DC Mad Science images are well optimized though.
Potential reduce by 136.0 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 136.0 kB or 67% of the original size.
Potential reduce by 29.2 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. Dc.madscience.org needs all CSS files to be minified and compressed as it can save up to 29.2 kB or 81% of the original size.
Number of requests can be reduced by 45 (47%)
96
51
The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DC Mad Science. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
dc.madscience.org
361 ms
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dc.madscience.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
dc.madscience.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
Page has valid source maps
dc.madscience.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
Page is blocked from indexing
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 Dc.madscience.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 Dc.madscience.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.
dc.madscience.org
Open Graph description is not detected on the main page of DC Mad Science. 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: