3.6 sec in total
59 ms
946 ms
2.6 sec
Click here to check amazing Si content for United States. Otherwise, check out these important facts you probably never knew about si.edu
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 si.eduWe analyzed Si.edu page load time and found that the first response time was 59 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
si.edu performance score
name
value
score
weighting
Value8.2 s
0/100
10%
Value26.1 s
0/100
25%
Value9.7 s
11/100
10%
Value790 ms
37/100
30%
Value0.769
5/100
15%
Value19.9 s
2/100
10%
59 ms
70 ms
20 ms
27 ms
35 ms
Our browser made a total of 103 requests to load all elements on the main page. We found that 88% of them (91 requests) were addressed to the original Si.edu, 6% (6 requests) were made to Use.typekit.net and 2% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (550 ms) belongs to the original domain Si.edu.
Page size can be reduced by 742.1 kB (8%)
9.4 MB
8.6 MB
In fact, the total size of Si.edu main page is 9.4 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 8.9 MB which makes up the majority of the site volume.
Potential reduce by 85.5 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 85.5 kB or 81% of the original size.
Potential reduce by 503.0 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. Si images are well optimized though.
Potential reduce by 85.6 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 85.6 kB or 37% of the original size.
Potential reduce by 67.9 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. Si.edu needs all CSS files to be minified and compressed as it can save up to 67.9 kB or 41% of the original size.
Number of requests can be reduced by 63 (66%)
95
32
The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Si. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 59 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
www.si.edu
59 ms
qfv0ytn.css
70 ms
css_V87EvcbNzzamTlwZWiBREpPElg0wJsrxoFPmRoQW0N0.css
20 ms
css_pj7BSPRlH83_S6dJuGZ0Rhy2mgZs89yYTxhVxVgpqV4.css
27 ms
css_wMB4yc4Z_tDXDTe18yXjHMZtz5M87ru2Mm5ckLU51_M.css
35 ms
google_tag.script.js
25 ms
jquery.min.js
29 ms
jquery-migrate.min.js
24 ms
jquery-extend-3.4.0.js
23 ms
jquery-html-prefilter-3.5.0-backport.js
27 ms
jquery.once.js
28 ms
drupal.js
29 ms
no-js.js
30 ms
jquery_browser.js
30 ms
blazy.min.js
32 ms
dblazy.min.js
31 ms
bio.min.js
30 ms
bio.media.min.js
57 ms
blazy.load.min.js
57 ms
jquery.cookie.js
58 ms
jquery.form.min.js
58 ms
form-single-submit.js
58 ms
ajax.js
59 ms
jquery_update.js
60 ms
autoupload.js
62 ms
entityreference.js
62 ms
picturefill.min.js
62 ms
picture.min.js
62 ms
jquery.colorbox-min.js
62 ms
colorbox.js
64 ms
colorbox_style.js
65 ms
colorbox_load.js
66 ms
colorbox_inline.js
64 ms
jquery.flexslider-min.js
65 ms
base.js
64 ms
progress.js
71 ms
ajax_view.js
71 ms
field_group.js
68 ms
googleanalytics.js
59 ms
js
56 ms
google_analytics_et.js
55 ms
js.cookie.min.js
58 ms
si_visit_planner.behaviors.js
54 ms
jquery.hoverIntent.minified.js
53 ms
sftouchscreen.js
52 ms
sfsmallscreen.js
54 ms
supposition.js
53 ms
superfish.js
55 ms
superfish.js
57 ms
luminateExtend.min.js
54 ms
modernizr-custom.min.js
56 ms
ScrollMagic.min.js
30 ms
uisearch.js
30 ms
si_baseline.behaviors.js
30 ms
flexslider.load.js
32 ms
si_promo.js
32 ms
addthis.js
30 ms
colorbox-gs.js
32 ms
si_views.js
30 ms
p.css
38 ms
css_VqkYt6aPnWBLlBbkgUdI9j_bk3lrEiKMPBD3Vvyywps.css
6 ms
js
290 ms
logo.svg
214 ms
webtrends.min.js
193 ms
look-by-kristin-kouke.jpg
457 ms
s10e17-web_large.jpg
201 ms
enduring-stellar-lifecycle-doradus.jpg
499 ms
soa_masthead_1920x460_final.jpg
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fs-f1904.61_006.jpg
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sgra_polarimetric_press_image-032724-lores.jpg
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400_317_hawaii2.jpg
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sia-89-22159.jpg
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margarita_machine_crop.jpg
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nmah-2001-3147.jpg
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chsdm-297456_01.jpg
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bicycle-tintype-21.jpg
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sia-89-5013.jpg
456 ms
npg-8700536c_1.jpg
514 ms
npm-1980_2493_5400.jpg
544 ms
s10e15-web_small.jpg
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s07ep6-web_small.png
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s10e02-web_small.png
546 ms
sd_s02_website-interior_episode-1_hope-diamond-01_0.png
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join-circles300.png
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se-mag-307_1.png
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journey-circle.png
550 ms
logo-white.png
546 ms
d
219 ms
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d
221 ms
d
331 ms
d
361 ms
fa-brands-400.ttf
369 ms
wtid.js
336 ms
analytics.js
292 ms
gtm.js
279 ms
gateway.min.js
164 ms
00000066-5.png
160 ms
prev.svg
161 ms
next.svg
162 ms
si.edu 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.
si.edu 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
Browser errors were logged to the console
si.edu 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 Si.edu 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 Si.edu 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.
si.edu
Open Graph data is detected on the main page of Si. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: