Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    82% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

csac.org

The Avalanche Center: Snow Avalanche Education since 1994

Page Load Speed

1.4 sec in total

First Response

221 ms

Resources Loaded

1.1 sec

Page Rendered

144 ms

csac.org screenshot

About Website

Welcome to csac.org homepage info - get ready to check Csac best content right away, or after learning these important things about csac.org

The Avalanche Center provides snow avalanche information. It is an authoritative source for avalanche education, accident reports, news, and more.

Visit csac.org

Key Findings

We analyzed Csac.org page load time and found that the first response time was 221 ms and then it took 1.2 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

csac.org performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

70/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

csac.org

221 ms

www.avalanche-center.org

532 ms

style.css

162 ms

sample.css

162 ms

scroller.js

157 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Csac.org, 80% (20 requests) were made to Avalanche-center.org and 12% (3 requests) were made to Paypalobjects.com. The less responsive or slowest element that took the longest time to load (532 ms) relates to the external source Avalanche-center.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 23.0 kB (70%)

Content Size

33.0 kB

After Optimization

10.0 kB

In fact, the total size of Csac.org main page is 33.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 21.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 16.4 kB

  • Original 21.9 kB
  • After minification 17.6 kB
  • After compression 5.5 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 4.3 kB, which is 19% 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 16.4 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.3 kB
  • After minification 2.3 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. Csac images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 2.3 kB

  • Original 3.3 kB
  • After minification 2.8 kB
  • After compression 972 B

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 2.3 kB or 70% of the original size.

CSS Optimization

-78%

Potential reduce by 4.3 kB

  • Original 5.5 kB
  • After minification 4.0 kB
  • After compression 1.2 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. Csac.org needs all CSS files to be minified and compressed as it can save up to 4.3 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (43%)

Requests Now

23

After Optimization

13

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

Accessibility Review

csac.org accessibility score

87

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

Form elements do not have associated labels

Best Practices

csac.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

csac.org SEO score

89

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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 Csac.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 Csac.org 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 Csac. 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: