6.2 sec in total
133 ms
4.3 sec
1.7 sec
Click here to check amazing Sciam content for United States. Otherwise, check out these important facts you probably never knew about sciam.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 sciam.comWe analyzed Sciam.com page load time and found that the first response time was 133 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
sciam.com performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value14.5 s
0/100
25%
Value17.6 s
0/100
10%
Value18,230 ms
0/100
30%
Value0.403
25/100
15%
Value43.2 s
0/100
10%
133 ms
120 ms
813 ms
30 ms
24 ms
Our browser made a total of 72 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Sciam.com, 58% (42 requests) were made to Scientificamerican.com and 4% (3 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Cdn.doubleverify.com.
Page size can be reduced by 839.1 kB (62%)
1.3 MB
505.0 kB
In fact, the total size of Sciam.com main page is 1.3 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. 85% 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. Javascripts take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 62.1 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 62.1 kB or 78% of the original size.
Potential reduce by 2.4 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. Sciam images are well optimized though.
Potential reduce by 774.6 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 774.6 kB or 70% of the original size.
Number of requests can be reduced by 23 (38%)
61
38
The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sciam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.
sciam.com
133 ms
scientificamerican.com
120 ms
www.scientificamerican.com
813 ms
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mura.min.js
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sciam.com 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-*] attributes do not have valid values
ARIA IDs are not unique
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
sciam.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
sciam.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
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 Sciam.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 Sciam.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.
sciam.com
Open Graph data is detected on the main page of Sciam. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: