Tools & Wizards About Us
www-odi.nhtsa.dot.gov screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

www-odi.nhtsa.dot.gov

NHTSA | National Highway Traffic Safety Administration

Page Load Speed

1.8 sec in total

First Response

161 ms

Resources Loaded

1.1 sec

Page Rendered

491 ms

www-odi.nhtsa.dot.gov screenshot

About Website

Welcome to www-odi.nhtsa.dot.gov homepage info - get ready to check Www Odi NHTSA Dot best content for United States right away, or after learning these important things about www-odi.nhtsa.dot.gov

Get resources and info about staying safe on America’s roads. And, find out if there’s a recall on your car or how to report a vehicle safety problem.

Visit www-odi.nhtsa.dot.gov

Key Findings

We analyzed Www-odi.nhtsa.dot.gov page load time and found that the first response time was 161 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

www-odi.nhtsa.dot.gov performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value25.1 s

0/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value1,720 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.269

45/100

15%

TTI (Time to Interactive)

Value23.1 s

1/100

10%

Network Requests Diagram

www.nhtsa.gov

161 ms

css_Uy0eY8pPhFYEBWQ6vpAFRVlA73_n8HI9f1WTx8M-miA.css

21 ms

css

44 ms

js

147 ms

Universal-Federated-Analytics-Min.js

31 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Www-odi.nhtsa.dot.gov, 26% (9 requests) were made to Fonts.gstatic.com and 14% (5 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (340 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 354.1 kB (11%)

Content Size

3.3 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Www-odi.nhtsa.dot.gov main page is 3.3 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. 60% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 87.8 kB

  • Original 111.0 kB
  • After minification 94.5 kB
  • After compression 23.2 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 16.5 kB, which is 15% 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 87.8 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 61.4 kB

  • Original 2.5 MB
  • After minification 2.4 MB

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. Www Odi NHTSA Dot images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 197.7 kB

  • Original 599.9 kB
  • After minification 599.9 kB
  • After compression 402.2 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 197.7 kB or 33% of the original size.

CSS Optimization

-7%

Potential reduce by 7.2 kB

  • Original 100.3 kB
  • After minification 100.3 kB
  • After compression 93.1 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. Www-odi.nhtsa.dot.gov has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (61%)

Requests Now

23

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Www Odi NHTSA Dot. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.nhtsa.gov

www.nhtsa.gov

161 ms

css_Uy0eY8pPhFYEBWQ6vpAFRVlA73_n8HI9f1WTx8M-miA.css

css_Uy0eY8pPhFYEBWQ6vpAFRVlA73_n8HI9f1WTx8M-miA.css

21 ms

css

css

44 ms

js

js

147 ms

Universal-Federated-Analytics-Min.js

Universal-Federated-Analytics-Min.js

31 ms

core-c5b24d35d6e4a168b06c2522f8904827.css

core-c5b24d35d6e4a168b06c2522f8904827.css

27 ms

site-c7afc6efc76bec3ad7cf634874d1e632.css

site-c7afc6efc76bec3ad7cf634874d1e632.css

28 ms

cse.js

cse.js

145 ms

jquery-2.2.4.min.js

jquery-2.2.4.min.js

33 ms

js_xi4otInus3fRjeisDpsMiwXtZPxLXsQ-awE5ZyhX0Vo.js

js_xi4otInus3fRjeisDpsMiwXtZPxLXsQ-awE5ZyhX0Vo.js

123 ms

bundle-0e4ecc07bc957cd07810.js

bundle-0e4ecc07bc957cd07810.js

36 ms

gtm.js

gtm.js

340 ms

GettyImages-1087649050.jpg

GettyImages-1087649050.jpg

252 ms

1AC03009_BabyRedShirt_V2-4.png

1AC03009_BabyRedShirt_V2-4.png

50 ms

bg-pattern-recalls.png

bg-pattern-recalls.png

48 ms

NHTSA-Ride%20Sober-Throttle-2024-Youtube-Thumbnai-dark.jpg

NHTSA-Ride%20Sober-Throttle-2024-Youtube-Thumbnai-dark.jpg

75 ms

child-passenger-safety-homepage-hero.jpg

child-passenger-safety-homepage-hero.jpg

66 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

44 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

52 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

60 ms

KFOkCnqEu92Fr1MmgVxIIzc.ttf

KFOkCnqEu92Fr1MmgVxIIzc.ttf

67 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

68 ms

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

245 ms

cse_element__en.js

cse_element__en.js

44 ms

default+en.css

default+en.css

223 ms

default.css

default.css

224 ms

async-ads.js

async-ads.js

170 ms

branding.png

branding.png

42 ms

clear.png

clear.png

27 ms

icomoon.ttf

icomoon.ttf

41 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

42 ms

BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjoa4Omb2Rm.ttf

BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjoa4Omb2Rm.ttf

22 ms

BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjojISmb2Rm.ttf

BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjojISmb2Rm.ttf

21 ms

BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjo0oSmb2Rm.ttf

BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjo0oSmb2Rm.ttf

22 ms

nr-1044.min.js

nr-1044.min.js

20 ms

Accessibility Review

www-odi.nhtsa.dot.gov accessibility score

66

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-*] attributes do not match their roles

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role] values are not valid

High

[aria-*] attributes do not have valid values

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

Best Practices

www-odi.nhtsa.dot.gov best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

www-odi.nhtsa.dot.gov SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

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 Www-odi.nhtsa.dot.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 Www-odi.nhtsa.dot.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

www-odi.nhtsa.dot.gov

Open Graph description is not detected on the main page of Www Odi NHTSA Dot. 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: