Tools & Wizards About Us

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

irp.drugabuse.gov

National Institute on Drug Abuse Intramural Research Program

Page Load Speed

1.4 sec in total

First Response

26 ms

Resources Loaded

1.1 sec

Page Rendered

196 ms

About Website

Welcome to irp.drugabuse.gov homepage info - get ready to check Irp Drug Abuse best content for United States right away, or after learning these important things about irp.drugabuse.gov

The National Institute on Drug Abuse Intramural Research Program is a research facility in Baltimore, MD. The NIDA IRP dedicated to understanding the causes, consequences and treatment of drug abuse.

Visit irp.drugabuse.gov

Key Findings

We analyzed Irp.drugabuse.gov page load time and found that the first response time was 26 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

irp.drugabuse.gov performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

36/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

3/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.1

90/100

15%

TTI (Time to Interactive)

Value8.9 s

35/100

10%

Network Requests Diagram

irp.drugabuse.gov

26 ms

irp.drugabuse.gov

30 ms

irp.nida.nih.gov

35 ms

dynamik-min.css

12 ms

style.min.css

20 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Irp.drugabuse.gov, 79% (71 requests) were made to Irp.nida.nih.gov and 13% (12 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (766 ms) relates to the external source Irp.nida.nih.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 145.2 kB (12%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Irp.drugabuse.gov main page is 1.2 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 882.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 113.7 kB

  • Original 136.6 kB
  • After minification 134.8 kB
  • After compression 22.9 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 113.7 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 22.1 kB

  • Original 882.7 kB
  • After minification 860.6 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. Irp Drug Abuse images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 2.8 kB

  • Original 72.4 kB
  • After minification 72.0 kB
  • After compression 69.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 6.6 kB

  • Original 126.8 kB
  • After minification 126.4 kB
  • After compression 120.2 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. Irp.drugabuse.gov has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 50 (67%)

Requests Now

75

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Irp Drug Abuse. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 30 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

irp.drugabuse.gov accessibility score

87

Accessibility Issues

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

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA IDs are not unique

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

Links do not have a discernible name

Best Practices

irp.drugabuse.gov best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

irp.drugabuse.gov SEO score

97

Search Engine Optimization Advices

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Irp.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 Irp.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.

Social Sharing Optimization

Open Graph data is detected on the main page of Irp Drug Abuse. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: