278 ms in total
23 ms
141 ms
114 ms
Click here to check amazing Smithsonian Education content for United States. Otherwise, check out these important facts you probably never knew about smithsonianeducation.org
Discover education resources and information, lesson plans, field trips, and fun interactive activities for educators, families, and students. All based on Smithsonian museum collections and research.
Visit smithsonianeducation.orgWe analyzed Smithsonianeducation.org page load time and found that the first response time was 23 ms and then it took 255 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
smithsonianeducation.org performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value13.9 s
0/100
25%
Value7.1 s
31/100
10%
Value2,030 ms
7/100
30%
Value0.069
96/100
15%
Value19.3 s
2/100
10%
23 ms
5 ms
13 ms
20 ms
27 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 88% of them (38 requests) were addressed to the original Smithsonianeducation.org, 5% (2 requests) were made to Logs1.smithsonian.museum and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (44 ms) belongs to the original domain Smithsonianeducation.org.
Page size can be reduced by 76.9 kB (20%)
378.7 kB
301.8 kB
In fact, the total size of Smithsonianeducation.org main page is 378.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 248.6 kB which makes up the majority of the site volume.
Potential reduce by 8.7 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. 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 8.7 kB or 73% of the original size.
Potential reduce by 84 B
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. Smithsonian Education images are well optimized though.
Potential reduce by 68.2 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 68.2 kB or 58% of the original size.
Number of requests can be reduced by 23 (55%)
42
19
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Smithsonian Education. 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.
smithsonianeducation.org
23 ms
global.js
5 ms
main_promo.js
13 ms
triggerParams.js
20 ms
webtrends.js
27 ms
si_nv_educators_off.gif
4 ms
si_nv_educators_over.gif
13 ms
si_nv_educators_on.gif
14 ms
si_nv_families_off.gif
14 ms
si_nv_families_over.gif
12 ms
si_nv_families_on.gif
20 ms
si_nv_students_off.gif
20 ms
si_nv_students_over.gif
21 ms
si_nv_students_on.gif
21 ms
si_home_nv_edu.gif
23 ms
si_home_nv_edu_over.gif
23 ms
new_edu_e4a.jpg
38 ms
si_home_nv_stu_off.gif
26 ms
si_home_nv_stu_over.gif
22 ms
new_stu_e4a.jpg
37 ms
si_home_nv_fam.gif
36 ms
si_home_nv_fam_over.gif
31 ms
new_fam_e4a.jpg
37 ms
new_welcome_e4a.jpg
36 ms
si_home_logo.gif
34 ms
si_home_ci_tree.jpg
44 ms
promo_lg_siyc_deer.gif
40 ms
spacer.gif
31 ms
si_mn_endline.gif
34 ms
si_mn_nv_logo_footer.gif
34 ms
si_gl_nv_about_v2.gif
38 ms
si_gl_nv_contact.gif
39 ms
si_gl_nv_sitemap.gif
37 ms
si_gl_nv_usage.gif
39 ms
si_gl_nv_privacy_v2.gif
44 ms
si_gl_nv_subscribe.gif
40 ms
si_mn_nv_si.gif
39 ms
si_mn_nv_websites.gif
40 ms
si_mn_nv_shop.gif
41 ms
wtid.js
11 ms
ga.js
31 ms
dcs.gif
7 ms
__utm.gif
12 ms
smithsonianeducation.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-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
smithsonianeducation.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
smithsonianeducation.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Smithsonianeducation.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 Smithsonianeducation.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.
smithsonianeducation.org
Open Graph description is not detected on the main page of Smithsonian Education. 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: