Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

guideline.gov

Home | Agency for Healthcare Research and Quality

Page Load Speed

1.6 sec in total

First Response

16 ms

Resources Loaded

897 ms

Page Rendered

678 ms

guideline.gov screenshot

About Website

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

AHRQ advances excellence in healthcare by producing evidence to make healthcare safer, higher quality, more accessible, equitable, and affordable.

Visit guideline.gov

Key Findings

We analyzed Guideline.gov page load time and found that the first response time was 16 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 30% of websites can load faster.

Performance Metrics

guideline.gov performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value770 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.735

6/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

guideline.gov

16 ms

guideline.gov

27 ms

css_ngng7vOpH-pIEdN_covWCw2xt7ufYkW0VbeP_vl79PY.css

16 ms

css_6XCzJz6-l2rJqTTOFk9lOnrgJ1mcoO04Qka5IFYCJCc.css

20 ms

css_jmfSDnEGX5B9AVbFKZK34b2m8R0aVFg2kiIcx4TvW0I.css

53 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 83% of them (65 requests) were addressed to the original Guideline.gov, 5% (4 requests) were made to Googletagmanager.com and 4% (3 requests) were made to Static.addtoany.com. The less responsive or slowest element that took the longest time to load (307 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 171.3 kB (5%)

Content Size

3.2 MB

After Optimization

3.0 MB

In fact, the total size of Guideline.gov main page is 3.2 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. Only a small number of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 73.4 kB

  • Original 89.2 kB
  • After minification 75.7 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 13.5 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 73.4 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 97.0 kB

  • Original 2.7 MB
  • After minification 2.6 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. Guideline images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 213 B

  • Original 251.6 kB
  • After minification 251.6 kB
  • After compression 251.3 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

-1%

Potential reduce by 690 B

  • Original 94.4 kB
  • After minification 94.4 kB
  • After compression 93.7 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. Guideline.gov has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 24 (35%)

Requests Now

68

After Optimization

44

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Guideline. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

guideline.gov accessibility score

100

Accessibility Issues

Best Practices

guideline.gov best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

guideline.gov SEO score

91

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

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 Guideline.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 Guideline.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 description is not detected on the main page of Guideline. 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: