9.7 sec in total
342 ms
8.8 sec
593 ms
Welcome to blogs.scientificamerican.com homepage info - get ready to check Blogs Scientific American best content for United States right away, or after learning these important things about blogs.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 blogs.scientificamerican.comWe analyzed Blogs.scientificamerican.com page load time and found that the first response time was 342 ms and then it took 9.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
blogs.scientificamerican.com performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value14.7 s
0/100
25%
Value12.0 s
4/100
10%
Value4,520 ms
0/100
30%
Value0.18
67/100
15%
Value23.1 s
1/100
10%
342 ms
36 ms
79 ms
121 ms
12 ms
Our browser made a total of 95 requests to load all elements on the main page. We found that 67% of them (64 requests) were addressed to the original Blogs.scientificamerican.com, 7% (7 requests) were made to V4.moatads.com and 3% (3 requests) were made to Cdn.krxd.net. The less responsive or slowest element that took the longest time to load (7.6 sec) belongs to the original domain Blogs.scientificamerican.com.
Page size can be reduced by 778.3 kB (63%)
1.2 MB
450.7 kB
In fact, the total size of Blogs.scientificamerican.com main page is 1.2 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. 65% of websites need less resources to load. Javascripts take 965.3 kB which makes up the majority of the site volume.
Potential reduce by 73.2 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 73.2 kB or 80% of the original size.
Potential reduce by 30.8 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. Obviously, Blogs Scientific American needs image optimization as it can save up to 30.8 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 674.4 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 674.4 kB or 70% of the original size.
Number of requests can be reduced by 28 (33%)
86
58
The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blogs 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 20 to 1 for JavaScripts and as a result speed up the page load time.
blogs.scientificamerican.com
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blogs.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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
blogs.scientificamerican.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
blogs.scientificamerican.com SEO score
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blogs.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 Blogs.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.
blogs.scientificamerican.com
Open Graph description is not detected on the main page of Blogs Scientific American. 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: