2.5 sec in total
702 ms
1.3 sec
433 ms
Visit nautil.us now to see the best up-to-date Nautil content for United States and also check out these interesting facts you probably never knew about nautil.us
Nautilus is a different kind of science magazine. Our stories take you into the depths of science and spotlight its ripples in our lives and cultures.
Visit nautil.usWe analyzed Nautil.us page load time and found that the first response time was 702 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
nautil.us performance score
name
value
score
weighting
Value7.3 s
1/100
10%
Value17.4 s
0/100
25%
Value14.8 s
1/100
10%
Value400 ms
69/100
30%
Value0
100/100
15%
Value19.1 s
3/100
10%
702 ms
27 ms
14 ms
23 ms
21 ms
Our browser made a total of 120 requests to load all elements on the main page. We found that 14% of them (17 requests) were addressed to the original Nautil.us, 53% (63 requests) were made to Static.nautil.us and 15% (18 requests) were made to . The less responsive or slowest element that took the longest time to load (702 ms) belongs to the original domain Nautil.us.
Page size can be reduced by 3.0 MB (36%)
8.5 MB
5.5 MB
In fact, the total size of Nautil.us main page is 8.5 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. Images take 8.3 MB which makes up the majority of the site volume.
Potential reduce by 73.6 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. This page needs HTML code to be minified as it can gain 16.8 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 73.6 kB or 84% of the original size.
Potential reduce by 2.9 MB
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, Nautil needs image optimization as it can save up to 2.9 MB or 35% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 111.7 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 111.7 kB or 59% of the original size.
Potential reduce by 55 B
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. Nautil.us needs all CSS files to be minified and compressed as it can save up to 55 B or 23% of the original size.
Number of requests can be reduced by 20 (20%)
98
78
The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nautil. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.
nautil.us
702 ms
css
27 ms
style.css
14 ms
jquery.min.js
23 ms
jquery.transit.min.js
21 ms
jquery.lazyload.min.js
20 ms
modernizr.custom-2.6.2.min.js
19 ms
jquery.nicescroll-3.1.9.min.js,script.js,search.js,home.js
20 ms
fontface.css
36 ms
fp.js
224 ms
dc.js
220 ms
gpt.js
219 ms
beacon.js
218 ms
nautilus-logo-print.png
219 ms
8252_88b057334964aecf7cc034c38011add0.png
214 ms
189 ms
aquant.js
186 ms
8003_75a7c30fc0063c4952d7eb044a3c0897.jpg
34 ms
7527_11958dfee29b6709f48a9ba0387a2431.png
52 ms
7522_67e235e7f2fa8800d8375409b566e6b6.png
121 ms
7248_1f4183315762e30ea441d3caef5e64ad.jpg
44 ms
7059_84cdde86a4560c17d00c9c437fc2f0da.png
121 ms
6845_174b39525e01b7542b3ee27ac7251d2c.jpg
33 ms
6543_12bcd658ef0a540cabc36cdf2b1046fd.jpg
43 ms
6262_481fbfa59da2581098e841b7afc122f1.jpg
34 ms
6074_2281f5c898351dbc6dace2ba201e7948.jpg
38 ms
5755_840d68cbbbfa627cd4635408a6c82009.png
51 ms
5502_13d4635deccc230c944e4ff6e03404b5.png
126 ms
5283_5ca359ab1e9e3b9c478459944a2d9ca5.png
118 ms
5027_853c68de7253cdd55dc37be410a45c60.jpg
121 ms
4848_3e9f0fc9b2f89e043bc6233994dfcf76.jpg
123 ms
4674_1f5795e7b93f423c397e6f7aaff80133.png
127 ms
4436_a1f0cf94512f963e5ed4edd9af70e2cc.jpg
123 ms
4128_770c0e7e2af0db73409aa2431aa8f33e.jpg
124 ms
3887_9649dec6196d730c5e024f204477d8d1.png
126 ms
3677_71d7232b9fed020ca23729017873089e.png
129 ms
3468_322f62469c5e3c7dc3e58f5a4d1ea399.png
131 ms
3205_9ef2ed4b7fd2c810847ffa5fa85bce38.png
129 ms
3037_10ce03a1ed01077e3e289f3e53c72813.jpg
127 ms
2713_403ea2e851b9ab04a996beab4a480a30.png
130 ms
2470_7cc234202e98d2722580858573fd0817.png
132 ms
2220_d2a27e83d429f0dcae6b937cf440aeb1.png
133 ms
1899_6be5336db2c119736cf48f475e051bfe.png
131 ms
1639_3c1e4bd67169b8153e0047536c9f541e.png
139 ms
1342_5e1b18c4c6a6d31695acbae3fd70ecc6.png
136 ms
1040_537d9b6c927223c796cac288cced29df.png
135 ms
796_35cf8659cfcb13224cbd47863a34fc58.png
135 ms
586_605ff764c617d3cd28dbbdd72be8f9a2.png
142 ms
288_48aedb8880cab8c45637abc7493ecddd.png
136 ms
87_c7e1249ffc03eb9ded908c236bd1996d.jpg
137 ms
51_2838023a778dfaecdc212708f721b788.jpg
135 ms
7949_5fedcaffc4aba6e57a3563b1c7d60c1d.png
253 ms
nav-3d-mag.png
33 ms
hp_prime.jpg
216 ms
nautilus-logo-sprite@2x.png
30 ms
search-bar-inner-shadow.png
31 ms
close-button.png
42 ms
issue-browser-shadow.png
29 ms
curtain-down.png
33 ms
leaderboard-ad-belt-bg.jpg
35 ms
9px-border-shadow.png
40 ms
trans-black-50.png
41 ms
code-and-theory-logo@2x.png
41 ms
le+SxJwoUeqrIM8+98NIrr73x1jvvffDxfyfxB1BLkDsAAAA=
24 ms
EHUEuQOwAAAA==
24 ms
le+SxJwoUeqrIM8+98NIrr73x1jvvffDxfyfxB1BLkDsAAAA=
24 ms
EHUEuQOwAAAA==
25 ms
EHUEuQOwAAAA==
25 ms
ncQfaeOQTQAAAA==
26 ms
3cSfwBvd5BRAAA=
26 ms
AG93kFEAAA==
27 ms
le+SxJwoUeqrIM8+98NIrr73x1jvvffDxfyfxB1BLkDsAAAA=
28 ms
HG3xgAAAA==
28 ms
8AAiXuN8AAAA=
28 ms
wACJe43wAAAA==
27 ms
wACJe43wAAAA==
27 ms
8AAiXuN8AAAA=
26 ms
8AAiXuN8AAAA=
26 ms
AAIl7jfAAAA
25 ms
wACJe43wAAAA==
27 ms
AAIl7jfAAAA
27 ms
zhcz-_WihjSQC0oHJ9TCYC3USBnSvpkopQaUR-2r7iU.ttf
97 ms
NautilusIcon.woff
99 ms
108 ms
8258_10fe8dc69a0964edc16fed1a1bd55716.png
115 ms
8259_51f4efbfb3e18f4ea053c4d3d282c4e2.png
111 ms
8276_10cc088a48f313ab3b1f4e6e76353dd4.jpg
112 ms
8294_aceacd5df18526f1d96ee1b9714e95eb.png
113 ms
8290_95b431e51fc53692913da5263c214162.jpg
109 ms
8305_d7488039246a405baf6a7cbc3613a56f.png
107 ms
8308_79e3eb7e992b7f766bdd77cc502ff082.png
105 ms
2596_bd70364a8fcba02366697df66f50b4d4.png
100 ms
pubads_impl_81.js
91 ms
__utm.gif
107 ms
pixel;r=1442647613;a=p-6EzWtvBV9sFU3;labels=;fpan=1;fpa=P0-1947853557-1456814524317;ns=0;ce=1;cm=;je=0;sr=1024x768x32;enc=n;dst=0;et=1456814524317;tzo=-180;ref=;url=http%3A%2F%2Fnautil.us%2F;ogl=site_name.Nautilus%2Ctype.website%2Curl.http%3A%2F%2Fnautil%252Eus%2F%2Ctitle.Nautilus%2Cdescription.Nautilus%20is%20a%20different%20kind%20of%20science%20magazine%252E%20We%20deliver%20big-picture%20science%2Cimage.http%3A%2F%2Fnautil%252Eus%2Fassets%2Fsite%2Fimg%2Fglobal%2Fnautilus%252Epng
102 ms
offsite_event.php
127 ms
8361_8d2355364e9a2ba1f82f975414937b43.png
101 ms
7963_a1d4c20b182ad7137ab3606f0e3fc8a4.png
101 ms
8410_836a0dcbf5d22652569dc3a708274c16.png
133 ms
8400_4e38d30e656da5ae9d3a425109ce9e04.jpg
99 ms
5267_4cef5b5e6ff1b3445db4c013f1d452e0.png
106 ms
8419_3016a447172f3045b65f5fc83e04b554.png
120 ms
8421_e38e37a99f7de1f45d169efcdb288dd1.png
104 ms
8467_95424358822e753eb993c97ee76a9076.jpg
97 ms
8492_8cfef17bee2b7a75a3ce09d40b497f6b.png
100 ms
8464_9079ea527e08a24dfad44e3302d5f091.jpg
119 ms
8501_25048eb6a33209cb5a815bff0cf6887c.jpg
118 ms
8458_ca7e09eacf1ae34bc819d495c5adfed9.png
123 ms
8411_a3de03cb426b5e36f5c7167b21395323.png
125 ms
8480_5f7695debd8cde8db5abcb9f161b49ea.jpg
122 ms
8509_e80ba3de4e2f156e3bdf5b3596b36ca4.png
181 ms
8523_5a2b8fee6a50b5594ecc5041eed53650.png
128 ms
8508_3091d86c09a002e144f4ec506eada3d7_314x177.jpg
123 ms
8499_1fbcf885f8f5c9afc9f37188b3f00afc.jpg
122 ms
8478_d828725179d622a56f951e527a966ed7_314x177.jpg
126 ms
ads
78 ms
container.html
35 ms
5583222146259502827
48 ms
ads
32 ms
osd.js
14 ms
nautil.us accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
nautil.us 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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Registers an unload listener
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
nautil.us SEO score
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nautil.us can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Nautil.us 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.
nautil.us
Open Graph data is detected on the main page of Nautil. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: