19.5 sec in total
5.9 sec
12.5 sec
1.2 sec
Welcome to anacostia.si.edu homepage info - get ready to check Anacostia Si best content for United States right away, or after learning these important things about anacostia.si.edu
Visit anacostia.si.eduWe analyzed Anacostia.si.edu page load time and found that the first response time was 5.9 sec and then it took 13.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
anacostia.si.edu performance score
name
value
score
weighting
Value3.4 s
37/100
10%
Value4.4 s
39/100
25%
Value7.4 s
28/100
10%
Value420 ms
66/100
30%
Value0.006
100/100
15%
Value15.0 s
7/100
10%
5868 ms
80 ms
96 ms
171 ms
138 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 58% of them (28 requests) were addressed to the original Anacostia.si.edu, 10% (5 requests) were made to Trumba.com and 6% (3 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (6.3 sec) belongs to the original domain Anacostia.si.edu.
Page size can be reduced by 760.0 kB (19%)
4.0 MB
3.3 MB
In fact, the total size of Anacostia.si.edu main page is 4.0 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. 50% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.
Potential reduce by 57.3 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 18.3 kB, which is 24% 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 57.3 kB or 76% of the original size.
Potential reduce by 30.6 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. Anacostia Si images are well optimized though.
Potential reduce by 615.7 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 615.7 kB or 67% of the original size.
Potential reduce by 56.4 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. Anacostia.si.edu needs all CSS files to be minified and compressed as it can save up to 56.4 kB or 79% of the original size.
Number of requests can be reduced by 19 (42%)
45
26
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Anacostia 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 11 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
anacostia.si.edu
5868 ms
reset.css
80 ms
960.css
96 ms
Site.css
171 ms
Global.css
138 ms
css
109 ms
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125 ms
333538288
276 ms
Home.css
132 ms
addthis_widget.js
417 ms
spuds.js
806 ms
triggerParams.js
336 ms
webtrends.js
49 ms
ACM-web-11082011_SIDay-17
2772 ms
header-background-pattern.png
89 ms
fb-header-icon.png
89 ms
tw-header-icon.png
87 ms
yt-header-icon.png
86 ms
search-header-icon.png
87 ms
acm-header-logo.png
81 ms
donate-icon.png
103 ms
pencil-icon.png
465 ms
mail-icon.png
97 ms
Apr_9.jpg
2705 ms
12yrs.jpg
494 ms
BMPanama2.jpg
1737 ms
ACM_COV.jpg
6284 ms
facebook-icon.png
461 ms
twitter-icon.png
463 ms
youtube-icon.png
464 ms
lg-share-en.gif
78 ms
9k-RPmcnxYEPm8CNFsH2gg.woff
403 ms
wkfQbvfT_02e2IWO3yYueQ.woff
404 ms
analytics.js
368 ms
spinner_trumba.gif
3646 ms
collect
83 ms
wtid.js
98 ms
s.aspx
1309 ms
300lo.json
261 ms
background-5x5.png
1166 ms
sh.953eb77977227bfd253ee158.html
230 ms
foresee-surveydef.js
57 ms
foresee-dhtml.css
163 ms
dcs.gif
148 ms
core.js
2209 ms
DgD5ifupc3byI8J5RhLecA8S.png
122 ms
SitePrint.css
33 ms
Reset.css
9 ms
anacostia.si.edu accessibility score
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
Links do not have a discernible name
anacostia.si.edu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
anacostia.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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Anacostia.si.edu 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 Anacostia.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.
anacostia.si.edu
Open Graph description is not detected on the main page of Anacostia Si. 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: