Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

d14rmgtrwzf5a.cloudfront.net

NIDA.NIH.GOV | National Institute on Drug Abuse (NIDA)

Page Load Speed

1.3 sec in total

First Response

10 ms

Resources Loaded

899 ms

Page Rendered

429 ms

d14rmgtrwzf5a.cloudfront.net screenshot

About Website

Visit d14rmgtrwzf5a.cloudfront.net now to see the best up-to-date D 14 Rmgtrwzf 5 A Cloudfront content for United States and also check out these interesting facts you probably never knew about d14rmgtrwzf5a.cloudfront.net

NIDA's mission is to advance science on the causes and consequences of drug use and addiction and to apply that knowledge to improve individual and public health. NIDA is one of the National Inst...

Visit d14rmgtrwzf5a.cloudfront.net

Key Findings

We analyzed D14rmgtrwzf5a.cloudfront.net page load time and found that the first response time was 10 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

d14rmgtrwzf5a.cloudfront.net performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value4,250 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

Network Requests Diagram

d14rmgtrwzf5a.cloudfront.net

10 ms

d14rmgtrwzf5a.cloudfront.net

28 ms

index.php

28 ms

nida.nih.gov

16 ms

gtm.js

334 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original D14rmgtrwzf5a.cloudfront.net, 44% (24 requests) were made to Nida.nih.gov and 15% (8 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (334 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 72.8 kB (15%)

Content Size

486.9 kB

After Optimization

414.1 kB

In fact, the total size of D14rmgtrwzf5a.cloudfront.net main page is 486.9 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. 60% of websites need less resources to load. Images take 340.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 71.4 kB

  • Original 87.1 kB
  • After minification 74.8 kB
  • After compression 15.8 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 12.4 kB, which is 14% 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 71.4 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 1.3 kB

  • Original 340.1 kB
  • After minification 338.8 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. D 14 Rmgtrwzf 5 A Cloudfront images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 91 B

  • Original 34.3 kB
  • After minification 34.3 kB
  • After compression 34.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 71 B

  • Original 25.4 kB
  • After minification 25.4 kB
  • After compression 25.4 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. D14rmgtrwzf5a.cloudfront.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (33%)

Requests Now

40

After Optimization

27

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of D 14 Rmgtrwzf 5 A Cloudfront. 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 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

d14rmgtrwzf5a.cloudfront.net accessibility score

99

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

d14rmgtrwzf5a.cloudfront.net best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

d14rmgtrwzf5a.cloudfront.net SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

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 D14rmgtrwzf5a.cloudfront.net 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 D14rmgtrwzf5a.cloudfront.net 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 D 14 Rmgtrwzf 5 A Cloudfront. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: