Tools & Wizards About Us

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

dfdretired.org

Retired Fire Fighters Association of Denver

Page Load Speed

3 sec in total

First Response

781 ms

Resources Loaded

2 sec

Page Rendered

207 ms

About Website

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

Retired Fire Fighters Association of Denver

Visit dfdretired.org

Key Findings

We analyzed Dfdretired.org page load time and found that the first response time was 781 ms and then it took 2.2 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

dfdretired.org performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

www.dfdretired.org

781 ms

cfform.js

224 ms

masks.js

305 ms

tundra.css

43 ms

site.css

453 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 33% of them (36 requests) were addressed to the original Dfdretired.org, 67% (72 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (781 ms) belongs to the original domain Dfdretired.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 546.8 kB (53%)

Content Size

1.0 MB

After Optimization

477.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dfdretired.org main page is 1.0 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. 30% of websites need less resources to load. Images take 711.6 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 72.6 kB

  • Original 81.3 kB
  • After minification 62.1 kB
  • After compression 8.7 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 19.2 kB, which is 24% 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 72.6 kB or 89% of the original size.

Image Optimization

-53%

Potential reduce by 374.8 kB

  • Original 711.6 kB
  • After minification 336.8 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, Dfd Retired needs image optimization as it can save up to 374.8 kB or 53% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-33%

Potential reduce by 61.9 kB

  • Original 190.1 kB
  • After minification 185.1 kB
  • After compression 128.2 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 61.9 kB or 33% of the original size.

CSS Optimization

-90%

Potential reduce by 37.5 kB

  • Original 41.7 kB
  • After minification 31.1 kB
  • After compression 4.2 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. Dfdretired.org needs all CSS files to be minified and compressed as it can save up to 37.5 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 94 (88%)

Requests Now

107

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dfd Retired. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 75 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dfdretired.org accessibility score

60

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

dfdretired.org 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

SEO Factors

dfdretired.org SEO score

85

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

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dfdretired.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 Dfdretired.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 Dfd Retired. 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: