2.6 sec in total
26 ms
1.5 sec
1.1 sec
Visit sciencenter.org now to see the best up-to-date Sciencenter content for United States and also check out these interesting facts you probably never knew about sciencenter.org
Discover over 250 interactive science exhibits to engage your curiosity and explore the world around you.
Visit sciencenter.orgWe analyzed Sciencenter.org page load time and found that the first response time was 26 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
sciencenter.org performance score
name
value
score
weighting
Value3.0 s
49/100
10%
Value10.0 s
0/100
25%
Value5.4 s
57/100
10%
Value2,340 ms
5/100
30%
Value0.073
96/100
15%
Value8.4 s
38/100
10%
26 ms
309 ms
66 ms
55 ms
62 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 75% of them (43 requests) were addressed to the original Sciencenter.org, 19% (11 requests) were made to Use.typekit.net and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (969 ms) belongs to the original domain Sciencenter.org.
Page size can be reduced by 143.9 kB (2%)
6.6 MB
6.4 MB
In fact, the total size of Sciencenter.org main page is 6.6 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 6.4 MB which makes up the majority of the site volume.
Potential reduce by 25.0 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 4.0 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 25.0 kB or 80% of the original size.
Potential reduce by 34.5 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. Sciencenter images are well optimized though.
Potential reduce by 34.0 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 34.0 kB or 36% of the original size.
Potential reduce by 50.4 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. Sciencenter.org needs all CSS files to be minified and compressed as it can save up to 50.4 kB or 65% of the original size.
Number of requests can be reduced by 16 (36%)
45
29
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sciencenter. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
sciencenter.org
26 ms
www.sciencenter.org
309 ms
bootstrap.css
66 ms
main.css
55 ms
extra.css
62 ms
gcd5ygu.js
81 ms
jquery-1.10.2.min.js
171 ms
bootstrap.min.js
79 ms
plugins.js
62 ms
main.js
169 ms
analytics.js
626 ms
colored-line-1.png
593 ms
logo-sciencenter.png
592 ms
ico-search.png
593 ms
reptile-banner-8.png
776 ms
ico-arrow-2.png
593 ms
treehouses-large-home-banner-100.jpg
774 ms
mini-golflarge-banner.jpg
820 ms
ico-carousel-left.png
670 ms
ico-carousel-right.png
670 ms
ico-exhibits.png
670 ms
ico-donation.png
775 ms
ico-member.png
773 ms
ico-programs.png
775 ms
cogs-front-page-photoweb.jpg
907 ms
wear-a-maskweb2.jpg
962 ms
facebook.jpg
818 ms
twitter.jpg
853 ms
youtube.jpg
854 ms
instagram.jpg
876 ms
colored-line-2.png
875 ms
ico-phone.png
878 ms
ico-phone-blue.png
877 ms
ico-email.png
926 ms
ico-email-blue.png
916 ms
ico-arrow-1.png
868 ms
logo-childrens-museums.png
868 ms
logo-accredited-museum.png
889 ms
logo-science-technology-centers.png
887 ms
logo-discovery-trail.png
889 ms
logo.png
912 ms
ico-top.png
889 ms
sciencetogetherweb.jpg
908 ms
wear-a-maskweb.jpg
969 ms
store2.jpg
943 ms
d
651 ms
d
750 ms
d
792 ms
d
288 ms
d
223 ms
d
226 ms
d
226 ms
d
285 ms
d
261 ms
d
225 ms
collect
234 ms
p.gif
51 ms
sciencenter.org 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.
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
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.
sciencenter.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
sciencenter.org 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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sciencenter.org 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 Sciencenter.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.
sciencenter.org
Open Graph description is not detected on the main page of Sciencenter. 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: