15.9 sec in total
32 ms
1.9 sec
14 sec
Visit scientificamerican.com now to see the best up-to-date Scientific American content for United States and also check out these interesting facts you probably never knew about scientificamerican.com
Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.
Visit scientificamerican.comWe analyzed Scientificamerican.com page load time and found that the first response time was 32 ms and then it took 15.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
scientificamerican.com performance score
name
value
score
weighting
Value3.3 s
41/100
10%
Value5.6 s
17/100
25%
Value9.0 s
14/100
10%
Value7,330 ms
0/100
30%
Value0.052
99/100
15%
Value23.8 s
1/100
10%
32 ms
16 ms
17 ms
19 ms
21 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 29% of them (11 requests) were addressed to the original Scientificamerican.com, 71% (27 requests) were made to Static.scientificamerican.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Static.scientificamerican.com.
Page size can be reduced by 220.9 kB (1%)
25.3 MB
25.1 MB
In fact, the total size of Scientificamerican.com main page is 25.3 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. 50% of websites need less resources to load. Images take 25.1 MB which makes up the majority of the site volume.
Potential reduce by 137.3 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 137.3 kB or 74% of the original size.
Potential reduce by 83.6 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. Scientific American images are well optimized though.
Number of requests can be reduced by 7 (19%)
37
30
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scientific American. 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 CSS and as a result speed up the page load time.
www.scientificamerican.com
32 ms
bundle-287404a4.css
16 ms
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IssuePage-17a39139.css
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ExploreTopics-ff1a16d2.css
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ArticleDisplay-ab788ec8.css
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scientificamerican.com 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.
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
scientificamerican.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
scientificamerican.com 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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scientificamerican.com 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 Scientificamerican.com 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.
scientificamerican.com
Open Graph data is detected on the main page of Scientific American. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: