Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

bjs.gov

Home | Bureau of Justice Statistics

Page Load Speed

3.3 sec in total

First Response

86 ms

Resources Loaded

3 sec

Page Rendered

191 ms

bjs.gov screenshot

About Website

Visit bjs.gov now to see the best up-to-date Bjs content for United States and also check out these interesting facts you probably never knew about bjs.gov

The Bureau of Justice Statistics (BJS) is the United States' primary source for criminal justice statistics that cover a wide range of topics.

Visit bjs.gov

Key Findings

We analyzed Bjs.gov page load time and found that the first response time was 86 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

bjs.gov performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

69/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value1,990 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.21

59/100

15%

TTI (Time to Interactive)

Value38.8 s

0/100

10%

Network Requests Diagram

bjs.gov

86 ms

cfmessage.js

1288 ms

cfajax.js

43 ms

foresee-trigger.js

52 ms

leftnav.css

1066 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 68% of them (46 requests) were addressed to the original Bjs.gov, 9% (6 requests) were made to Ojp.usdoj.gov and 9% (6 requests) were made to Ojp.gov. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Bjs.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 613.7 kB (80%)

Content Size

768.6 kB

After Optimization

154.9 kB

In fact, the total size of Bjs.gov main page is 768.6 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. 35% of websites need less resources to load. Javascripts take 491.4 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 137.5 kB

  • Original 155.5 kB
  • After minification 124.1 kB
  • After compression 18.0 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 31.4 kB, which is 20% 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 137.5 kB or 88% of the original size.

Image Optimization

-27%

Potential reduce by 3.5 kB

  • Original 13.2 kB
  • After minification 9.6 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. Obviously, Bjs needs image optimization as it can save up to 3.5 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-76%

Potential reduce by 374.8 kB

  • Original 491.4 kB
  • After minification 384.8 kB
  • After compression 116.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 374.8 kB or 76% of the original size.

CSS Optimization

-90%

Potential reduce by 97.9 kB

  • Original 108.6 kB
  • After minification 67.3 kB
  • After compression 10.7 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. Bjs.gov needs all CSS files to be minified and compressed as it can save up to 97.9 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 53 (87%)

Requests Now

61

After Optimization

8

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bjs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bjs.gov 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

bjs.gov best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

bjs.gov SEO score

84

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bjs.gov 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 Bjs.gov main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Bjs. 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: