Report Summary

  • 0

    Performance

  • 33

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

chicagolandskywarn.org

Chicagoland Skywarn

Page Load Speed

1.1 sec in total

First Response

14 ms

Resources Loaded

644 ms

Page Rendered

418 ms

About Website

Visit chicagolandskywarn.org now to see the best up-to-date Chicagoland Skywarn content and also check out these interesting facts you probably never knew about chicagolandskywarn.org

Official website of Chicagoland Skywarn, connecting ham radio operators/weather spotters in Chicago, Illinois and surrounding suburbs.

Visit chicagolandskywarn.org

Key Findings

We analyzed Chicagolandskywarn.org page load time and found that the first response time was 14 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

chicagolandskywarn.org performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value15.1 s

1/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.3

39/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

chicagolandskywarn.org

14 ms

wx

67 ms

35 ms

style.css

32 ms

skywarn.jpg

65 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Chicagolandskywarn.org, 47% (49 requests) were made to Weather.gov and 14% (15 requests) were made to Forecast.weather.gov. The less responsive or slowest element that took the longest time to load (395 ms) relates to the external source Forecast.weather.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 755.6 kB (31%)

Content Size

2.5 MB

After Optimization

1.7 MB

In fact, the total size of Chicagolandskywarn.org main page is 2.5 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 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-42%

Potential reduce by 256 B

  • Original 611 B
  • After minification 588 B
  • After compression 355 B

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 256 B or 42% of the original size.

Image Optimization

-23%

Potential reduce by 463.0 kB

  • Original 2.0 MB
  • After minification 1.5 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. Obviously, Chicagoland Skywarn needs image optimization as it can save up to 463.0 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 288.1 kB

  • Original 432.9 kB
  • After minification 424.0 kB
  • After compression 144.9 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 288.1 kB or 67% of the original size.

CSS Optimization

-11%

Potential reduce by 4.3 kB

  • Original 38.9 kB
  • After minification 38.9 kB
  • After compression 34.6 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. Chicagolandskywarn.org needs all CSS files to be minified and compressed as it can save up to 4.3 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (54%)

Requests Now

89

After Optimization

41

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chicagoland Skywarn. 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 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

chicagolandskywarn.org accessibility score

33

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

chicagolandskywarn.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

chicagolandskywarn.org SEO score

73

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chicagolandskywarn.org 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 Chicagolandskywarn.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 Chicagoland Skywarn. 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: