1.6 sec in total
149 ms
1.2 sec
237 ms
Click here to check amazing Smithsonian content for United States. Otherwise, check out these important facts you probably never knew about smithsonian.org
Official website of the Smithsonian, the world's largest museum and research complex, with 21 museums, 9 research centers, and affiliates around the world.
Visit smithsonian.orgWe analyzed Smithsonian.org page load time and found that the first response time was 149 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.
smithsonian.org performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value21.4 s
0/100
25%
Value6.4 s
41/100
10%
Value270 ms
82/100
30%
Value0.459
19/100
15%
Value21.7 s
1/100
10%
149 ms
31 ms
36 ms
7 ms
22 ms
Our browser made a total of 77 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Smithsonian.org, 6% (5 requests) were made to Trumba.com and 4% (3 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (545 ms) relates to the external source Trumba.com.
Page size can be reduced by 949.2 kB (52%)
1.8 MB
869.4 kB
In fact, the total size of Smithsonian.org main page is 1.8 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. 55% of websites need less resources to load. Javascripts take 897.2 kB which makes up the majority of the site volume.
Potential reduce by 58.7 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 10.5 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 58.7 kB or 74% of the original size.
Potential reduce by 233.4 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. Obviously, Smithsonian needs image optimization as it can save up to 233.4 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 602.8 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 602.8 kB or 67% of the original size.
Potential reduce by 54.3 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. Smithsonian.org needs all CSS files to be minified and compressed as it can save up to 54.3 kB or 78% of the original size.
Number of requests can be reduced by 33 (44%)
75
42
The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Smithsonian. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
www.si.edu
149 ms
1658422140
31 ms
1966663362
36 ms
reset.css
7 ms
960.css
22 ms
Site.css
21 ms
Home.css
33 ms
HomeSlideshow.css
29 ms
css
88 ms
css
116 ms
spuds.js
545 ms
triggerParams.js
60 ms
webtrends.js
59 ms
addthis_widget.js
70 ms
SitePrint.css
5 ms
Reset.css
4 ms
analytics.js
46 ms
SI-SeriouslyAmazing.png
20 ms
lg-share-en.gif
23 ms
sia-sia2012-6453_resize.jpg__420x240_q85_crop_upscale.jpg
69 ms
search_icon.png
11 ms
donate.png
12 ms
campaign.png
13 ms
join.png
13 ms
shop.png
14 ms
nav_3_bg.png
14 ms
slideshow-outwin.jpg
16 ms
slideshow-raycharles.jpg
20 ms
slideshow-smithsonianearth.jpg
20 ms
slideshow-npsIMAX.jpg
26 ms
slideshow-renwickwonder.jpg
23 ms
callout_visit-saam.jpg
23 ms
callout_exhibitions.jpg
20 ms
callout_collections.jpg
20 ms
callout_encyclopedia.jpg
21 ms
promo.jpg
22 ms
blog_trex.jpg
23 ms
blog_women-money.jpg
24 ms
blog_apollo11.jpg
25 ms
facebook-40x40.png
26 ms
twitter-40x40.png
25 ms
googlep-40x40.png
26 ms
40-email.png
27 ms
youtube-40x40.png
27 ms
flickr-40x40.png
27 ms
instagram-40x40.png
28 ms
pinterest_40x40.png
28 ms
General-Journeys-SI-232x117.jpg
49 ms
folkways-woody.jpg
49 ms
101_objects.jpg
52 ms
promo-smithsonian-mag.jpg
50 ms
facebook.png
51 ms
twitter.png
50 ms
google.png
51 ms
flickr.png
52 ms
sues3web.jpg__420x240_q85_crop_upscale.jpg
63 ms
1472-tubman-hymnal-2010-nmaahc_ht-0013-copy.jpg__420x240_q85_crop_upscale.jpg
62 ms
instagram.png
50 ms
youtube.png
49 ms
enews.png
50 ms
pinterest.png
49 ms
collect
20 ms
collect
56 ms
spinner_trumba.gif
66 ms
buttonbg.png
10 ms
s.aspx
239 ms
wtid.js
108 ms
s.aspx
464 ms
boost
28 ms
300lo.json
51 ms
foresee-surveydef.js
8 ms
sh.07f0d9bf220d07a763adad1e.html
42 ms
core.js
136 ms
foresee-dhtml.css
73 ms
dcs.gif
33 ms
pixel
18 ms
pixel
13 ms
smithsonian.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
smithsonian.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
smithsonian.org 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
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Smithsonian.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 Smithsonian.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.
smithsonian.org
Open Graph description is not detected on the main page of Smithsonian. 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: