Tools & Wizards About Us

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

lfh.org

Northwestern Medicine Lake Forest Hospital | Lake Forest, IL | Northwestern Medicine

Page Load Speed

2.5 sec in total

First Response

93 ms

Resources Loaded

2 sec

Page Rendered

434 ms

About Website

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

Northwestern Medicine Lake Forest Hospital is a community hospital providing patients with access to primary, specialty and emergency care, medical experts and exceptional service. Learn more.

Visit lfh.org

Key Findings

We analyzed Lfh.org page load time and found that the first response time was 93 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

lfh.org performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value14.5 s

1/100

10%

TBT (Total Blocking Time)

Value36,370 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.12

84/100

15%

TTI (Time to Interactive)

Value49.3 s

0/100

10%

Network Requests Diagram

lfh.org

93 ms

lake-forest-hospital

37 ms

lake-forest-hospital

432 ms

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

11 ms

css_8JhDjVlFQ8WhLROQ7AQCd3htPmYil0imwD5VrP-1Jkc.css

14 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Lfh.org, 29% (20 requests) were made to Nm.org and 22% (15 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (432 ms) relates to the external source Nm.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 865.9 kB (52%)

Content Size

1.7 MB

After Optimization

787.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lfh.org main page is 1.7 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. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 54.0 kB

  • Original 68.4 kB
  • After minification 66.2 kB
  • After compression 14.4 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 54.0 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 11.0 kB

  • Original 309.0 kB
  • After minification 297.9 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. Lfh images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 703.4 kB

  • Original 1.2 MB
  • After minification 1.1 MB
  • After compression 448.6 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 703.4 kB or 61% of the original size.

CSS Optimization

-79%

Potential reduce by 97.4 kB

  • Original 123.7 kB
  • After minification 122.9 kB
  • After compression 26.3 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. Lfh.org needs all CSS files to be minified and compressed as it can save up to 97.4 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (56%)

Requests Now

55

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lfh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

lfh.org accessibility score

91

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

button, link, and menuitem elements do not have accessible names.

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

Buttons do not have an accessible name

Best Practices

lfh.org best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

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

lfh.org 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

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 Lfh.org 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 Lfh.org 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 Lfh. 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: