1.5 sec in total
146 ms
750 ms
610 ms
Visit naturalsciences.org now to see the best up-to-date Natural Sciences content for United States and also check out these interesting facts you probably never knew about naturalsciences.org
North Carolina Museum of Natural Sciences in downtown Raleigh: visit natural history exhibits, go to fun events, take a class, go on a trip or learn about scientific research and collections.
Visit naturalsciences.orgWe analyzed Naturalsciences.org page load time and found that the first response time was 146 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
naturalsciences.org performance score
name
value
score
weighting
Value5.4 s
6/100
10%
Value22.7 s
0/100
25%
Value13.4 s
2/100
10%
Value100 ms
98/100
30%
Value0.405
25/100
15%
Value6.5 s
58/100
10%
146 ms
32 ms
21 ms
47 ms
34 ms
Our browser made a total of 81 requests to load all elements on the main page. We found that 62% of them (50 requests) were addressed to the original Naturalsciences.org, 7% (6 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (282 ms) belongs to the original domain Naturalsciences.org.
Page size can be reduced by 590.1 kB (35%)
1.7 MB
1.1 MB
In fact, the total size of Naturalsciences.org main page is 1.7 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. 70% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 59.3 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. This page needs HTML code to be minified as it can gain 9.6 kB, which is 13% 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 59.3 kB or 82% of the original size.
Potential reduce by 101.4 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. Natural Sciences images are well optimized though.
Potential reduce by 194.9 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 194.9 kB or 68% of the original size.
Potential reduce by 234.6 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. Naturalsciences.org needs all CSS files to be minified and compressed as it can save up to 234.6 kB or 82% of the original size.
Number of requests can be reduced by 42 (62%)
68
26
The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Natural Sciences. 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 from 17 to 1 for CSS and as a result speed up the page load time.
naturalsciences.org
146 ms
reset.css
32 ms
bootstrap.min.css
21 ms
main.css
47 ms
navigation.css
34 ms
gallery.css
37 ms
lightbox.css
40 ms
font-awesome.min.css
29 ms
jquery-ui.css
33 ms
footer.css
38 ms
home-navigation.css
36 ms
glDatePicker.ncmns.css
35 ms
bootstrap-datepicker3.standalone.min.css
43 ms
flickity.css
41 ms
footer-home.css
40 ms
home.css
38 ms
jquery.min.js
85 ms
bootstrap.min.js
31 ms
jquery-ui.min.js
48 ms
bootstrap-accessibility.min.js
35 ms
jquery.easing.1.3.js
54 ms
navigation_script.js
43 ms
lightbox.min.js
43 ms
moment.min.js
52 ms
glDatePicker.js
43 ms
bootstrap-datepicker.min.js
48 ms
tweetie.min.js
48 ms
instafeed.min.js
50 ms
flickity.pkgd.min.js
51 ms
css
41 ms
getMobileOS.js
52 ms
print.css
9 ms
close.png
171 ms
gtm.js
146 ms
tweet.php
118 ms
recent
185 ms
piwik.js
142 ms
getCalendarData.php
67 ms
getAlertBanner.php
63 ms
loading.gif
43 ms
prev.png
45 ms
next.png
42 ms
top_nav_logo.png
46 ms
topnav_divider.png
46 ms
ncmns-logo-slider.png
74 ms
exmam-branding-background.jpg
159 ms
exmam-branding.png
78 ms
raday-background.jpg
155 ms
raday-text.png
81 ms
gamera640x480-500x375.jpg
79 ms
Hippo4NewsWeb-500x375.jpg
152 ms
beach-headz-rick-jackson_640x480-500x375.jpg
153 ms
Smith-trapjaw_ants_640x480-500x375.jpg
85 ms
TSF_6108_4to3-500x375.jpg
155 ms
ArmpitMicrobes-HEADER-4to3-500x375.jpg
156 ms
footer_left.png
156 ms
dncr-logo.png
156 ms
emlectures6-highlight.jpg
161 ms
ODelI1aHBYDBqgeIAH2zlBBHWFfxJXS04xYOz0jw624.woff
73 ms
toadOcfmlt9b38dHJxOBGIPZSf8Ud0kNoe3bGnF7K24.woff
78 ms
toadOcfmlt9b38dHJxOBGAAD_zxmsR6vL1X3tnvCZYo.woff
81 ms
toadOcfmlt9b38dHJxOBGAE-U1AYRUXXE0Dth8uKIE0.woff
81 ms
M2Jd71oPJhLKp0zdtTvoM1xDqsnd7zNt-b9r25av6rY.woff
82 ms
fpTVHK8qsXbIeTHTrnQH6HOOzCfWADO619gxuli7ZzU.woff
149 ms
fontawesome-webfont.woff
35 ms
tweet
282 ms
analytics.js
51 ms
conversion_async.js
47 ms
bat.js
45 ms
fbds.js
120 ms
fbevents.js
123 ms
getCalendarData
113 ms
73 ms
collect
54 ms
1171926_438169073040000_1415318363_n.jpg
96 ms
collect
51 ms
collect
97 ms
116 ms
135 ms
50 ms
ga-audiences
21 ms
naturalsciences.org 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-hidden="true"] elements contain focusable descendents
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
naturalsciences.org 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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
naturalsciences.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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 Naturalsciences.org 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 Naturalsciences.org 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.
naturalsciences.org
Open Graph description is not detected on the main page of Natural Sciences. 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: