775 ms in total
39 ms
443 ms
293 ms
Welcome to researchstudies.drugabuse.gov homepage info - get ready to check Research Studies Drugabuse best content for United States right away, or after learning these important things about researchstudies.drugabuse.gov
The National Institute of Drug Abuse (NIDA) has research studies available. Call 1-800-535-8254 to learn about participating in research studies at NIDA.
Visit researchstudies.drugabuse.govWe analyzed Researchstudies.drugabuse.gov page load time and found that the first response time was 39 ms and then it took 736 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
researchstudies.drugabuse.gov performance score
name
value
score
weighting
Value2.6 s
65/100
10%
Value5.4 s
20/100
25%
Value3.1 s
93/100
10%
Value100 ms
98/100
30%
Value0
100/100
15%
Value6.3 s
61/100
10%
39 ms
11 ms
23 ms
30 ms
39 ms
Our browser made a total of 34 requests to load all elements on the main page. We found that 65% of them (22 requests) were addressed to the original Researchstudies.drugabuse.gov, 9% (3 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (197 ms) relates to the external source Google-analytics.com.
Page size can be reduced by 697.7 kB (40%)
1.8 MB
1.1 MB
In fact, the total size of Researchstudies.drugabuse.gov 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. 70% of websites need less resources to load. Images take 806.3 kB which makes up the majority of the site volume.
Potential reduce by 47.6 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 47.6 kB or 71% of the original size.
Potential reduce by 10.6 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. Research Studies Drugabuse images are well optimized though.
Potential reduce by 387.8 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 387.8 kB or 66% of the original size.
Potential reduce by 251.7 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. Researchstudies.drugabuse.gov needs all CSS files to be minified and compressed as it can save up to 251.7 kB or 87% of the original size.
Number of requests can be reduced by 16 (55%)
29
13
The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Research Studies Drugabuse. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
researchstudies.drugabuse.gov
39 ms
bootstrap.css
11 ms
style.css
23 ms
header-1.css
30 ms
css
39 ms
jquery.min.js
52 ms
modernizr.js
28 ms
addthis_widget.js
35 ms
bootstrap.min.js
28 ms
counter.js
29 ms
functions.js
29 ms
quiz.js
31 ms
custom.js
31 ms
hero-equal-thumb-gallery.css
16 ms
tabs-toggle.css
22 ms
font-awesome.css
16 ms
analytics.js
197 ms
logo.png
195 ms
widgets.js
128 ms
300lo.json
63 ms
Revised-Rotator-1.jpg
55 ms
Rotator2.jpg
59 ms
Revised-Rotator-3.jpg
86 ms
twitter.png
15 ms
hhs-logo.png
16 ms
nih_nida-Logo.png
16 ms
usa_gov-logo.png
18 ms
exit_disclaimer.png
17 ms
bIcY3_3JNqUVRAQQRNVteQ.ttf
52 ms
CcKI4k9un7TZVWzRVT-T8y3USBnSvpkopQaUR-2r7iU.ttf
56 ms
xkvoNo9fC8O2RDydKj12by3USBnSvpkopQaUR-2r7iU.ttf
57 ms
sh.8e5f85691f9aaa082472a194.html
82 ms
collect
55 ms
timeline.d11f7a3b3287fb94220e8ee6d03cc772.js
63 ms
researchstudies.drugabuse.gov 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
researchstudies.drugabuse.gov 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
researchstudies.drugabuse.gov 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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Researchstudies.drugabuse.gov 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 Researchstudies.drugabuse.gov 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.
researchstudies.drugabuse.gov
Open Graph description is not detected on the main page of Research Studies Drugabuse. 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: