4.5 sec in total
221 ms
4 sec
302 ms
Click here to check amazing New Scientist content for United States. Otherwise, check out these important facts you probably never knew about newscientist.com
Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.
Visit newscientist.comWe analyzed Newscientist.com page load time and found that the first response time was 221 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
newscientist.com performance score
name
value
score
weighting
Value2.9 s
53/100
10%
Value4.6 s
34/100
25%
Value8.0 s
22/100
10%
Value2,410 ms
5/100
30%
Value0.1
90/100
15%
Value20.8 s
2/100
10%
221 ms
430 ms
550 ms
1751 ms
61 ms
Our browser made a total of 87 requests to load all elements on the main page. We found that 22% of them (19 requests) were addressed to the original Newscientist.com, 30% (26 requests) were made to D1o50x50snmhul.cloudfront.net and 3% (3 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Cdn.goroost.com.
Page size can be reduced by 1.6 MB (30%)
5.1 MB
3.6 MB
In fact, the total size of Newscientist.com main page is 5.1 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. 60% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.
Potential reduce by 151.3 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 151.3 kB or 71% of the original size.
Potential reduce by 107.5 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. New Scientist images are well optimized though.
Potential reduce by 993.3 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 993.3 kB or 66% of the original size.
Potential reduce by 304.6 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. Newscientist.com needs all CSS files to be minified and compressed as it can save up to 304.6 kB or 84% of the original size.
Number of requests can be reduced by 34 (44%)
77
43
The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of New Scientist. 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.
newscientist.com
221 ms
newscientist.com
430 ms
www.newscientist.com
550 ms
c072e8af58b447bc83060053e3696812
1751 ms
css
61 ms
491 ms
633 ms
NS_mbox.js
34 ms
cc_af.js
121 ms
wp-emoji-release.min.js
329 ms
addthis_widget.js
30 ms
135 ms
target.js
121 ms
standard
49 ms
gettyimages-sb10065376e-002.jpg
85 ms
en-play-badge.png
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new-logic-rgb.jpg
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nslive_nov_2015_low-18-of-127-1200x800.jpg
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facebook.png
64 ms
twitter.png
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gplus.png
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linkedin.png
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pinterest.png
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IC671224.png
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orangewhite-tm-small.png
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gpt.js
58 ms
pubads_impl_81.js
38 ms
container.html
36 ms
gtm.js
59 ms
new-sci-logo-stacked-beta.png
9 ms
ads
230 ms
analytics.js
44 ms
conversion_async.js
62 ms
fbds.js
80 ms
ld.js
105 ms
fbevents.js
83 ms
linkid.js
16 ms
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collect
12 ms
collect
73 ms
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event
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event
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expansion_embed.js
92 ms
issue_navigation_left.png
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issue_navigation_right.png
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back-to-top-arrow.png
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rbi_uk.js
23 ms
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getipokay.php
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joblink.php
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ajaxsublinks.php
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ajaxPrices.php
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300lo.json
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sh.7c7179124ea24ac6ba46caac.html
34 ms
ie67-css.d20541e614a2e495c355.js
75 ms
preloader-white.gif
1014 ms
rs-default.png
1039 ms
standard
52 ms
_Incapsula_Resource
38 ms
s3174965353216
13 ms
pageconfig
29 ms
pageview
5 ms
dis.aspx
375 ms
26 ms
rt=ifr
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5907
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tp=ANXS
13 ms
newscientist.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.
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
newscientist.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
newscientist.com 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
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 Newscientist.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 Newscientist.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.
newscientist.com
Open Graph data is detected on the main page of New Scientist. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: