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colorado13er.com screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

colorado13er.com

Colorado 13er (Half Marathon/10k/5k)

Page Load Speed

1.7 sec in total

First Response

31 ms

Resources Loaded

1.1 sec

Page Rendered

494 ms

colorado13er.com screenshot

About Website

Welcome to colorado13er.com homepage info - get ready to check Colorado 13er best content right away, or after learning these important things about colorado13er.com

The Colorado 13er (Half Marathon/10k/5k) is on Sunday June 1, 2025...JOIN ME!

Visit colorado13er.com

Key Findings

We analyzed Colorado13er.com page load time and found that the first response time was 31 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 35% of websites can load faster.

Performance Metrics

colorado13er.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

7/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value2,300 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.096

91/100

15%

TTI (Time to Interactive)

Value18.9 s

3/100

10%

Network Requests Diagram

colorado13er.com

31 ms

www.colorado13er.com

148 ms

webfont.js

81 ms

raceTemplate3.min.bJ7pHT.js

80 ms

stickyHeader.min.bLz6Mi.js

93 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Colorado13er.com, 42% (24 requests) were made to D368g9lw5ileu7.cloudfront.net and 12% (7 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (388 ms) relates to the external source Fonts.gstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 385.2 kB (25%)

Content Size

1.6 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Colorado13er.com main page is 1.6 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 921.3 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 46.8 kB

  • Original 59.7 kB
  • After minification 51.3 kB
  • After compression 12.8 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 8.4 kB, which is 14% 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 46.8 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 4.8 kB

  • Original 921.3 kB
  • After minification 916.5 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. Colorado 13er images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 4.4 kB

  • Original 194.6 kB
  • After minification 194.5 kB
  • After compression 190.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-85%

Potential reduce by 329.1 kB

  • Original 389.4 kB
  • After minification 388.6 kB
  • After compression 60.2 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. Colorado13er.com needs all CSS files to be minified and compressed as it can save up to 329.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (62%)

Requests Now

47

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Colorado 13er. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

colorado13er.com

colorado13er.com

31 ms

www.colorado13er.com

www.colorado13er.com

148 ms

webfont.js

webfont.js

81 ms

raceTemplate3.min.bJ7pHT.js

raceTemplate3.min.bJ7pHT.js

80 ms

stickyHeader.min.bLz6Mi.js

stickyHeader.min.bLz6Mi.js

93 ms

lazyLoad.min.bLGmDc.js

lazyLoad.min.bLGmDc.js

83 ms

frameRaceTemplate3.scss.rsu.min.bM-WKB.css

frameRaceTemplate3.scss.rsu.min.bM-WKB.css

83 ms

themedRaceTemplate3-otf.scss.css

themedRaceTemplate3-otf.scss.css

94 ms

style.css

style.css

78 ms

jquery.min.js

jquery.min.js

93 ms

jquery-ui.min.js

jquery-ui.min.js

92 ms

utils.min.bMo9Ai.js

utils.min.bMo9Ai.js

92 ms

runalytics.min.bKgYDv.js

runalytics.min.bKgYDv.js

92 ms

js

js

223 ms

rsuMobileNav.min.bJ7vmJ.js

rsuMobileNav.min.bJ7vmJ.js

206 ms

rsuMenu.min.bM9TTH.js

rsuMenu.min.bM9TTH.js

208 ms

arrowDropdown.min.bMs0R7.js

arrowDropdown.min.bMs0R7.js

209 ms

rsuSocialMediaButtons.min.bMZnZw.js

rsuSocialMediaButtons.min.bMZnZw.js

208 ms

raceTemplateEvents.min.bFD2Ky.js

raceTemplateEvents.min.bFD2Ky.js

210 ms

api.js

api.js

215 ms

infoTableRaceLocationMap.min.bFk0e5.js

infoTableRaceLocationMap.min.bFk0e5.js

210 ms

popper.min.js

popper.min.js

89 ms

tippy.umd.min.js

tippy.umd.min.js

88 ms

expando.min.bJ78TS.js

expando.min.bJ78TS.js

208 ms

frontend.min.bLS8n5.js

frontend.min.bLS8n5.js

210 ms

fbevents.js

fbevents.js

149 ms

11ea4315-3e00-4c80-b985-96f3d9361ea1-bIZomO.png

11ea4315-3e00-4c80-b985-96f3d9361ea1-bIZomO.png

249 ms

css

css

208 ms

race10366-logo-0.bBX4sk.png

race10366-logo-0.bBX4sk.png

141 ms

user.bFehfM.svg

user.bFehfM.svg

73 ms

logo-rsu.bIAeuH.svg

logo-rsu.bIAeuH.svg

72 ms

raceBanner-zHcprFDH-bBX4rl.jpg

raceBanner-zHcprFDH-bBX4rl.jpg

77 ms

map-btn-bgd.bFk0e5.png

map-btn-bgd.bFk0e5.png

76 ms

race10366-racesponsor-0.bJWCN6.png

race10366-racesponsor-0.bJWCN6.png

76 ms

race10366_sponsor-12828.bws8qS.png

race10366_sponsor-12828.bws8qS.png

151 ms

race10366-racesponsor-0.bLSzWi.png

race10366-racesponsor-0.bLSzWi.png

76 ms

race10366-racesponsor-0.bMm-Wp.png

race10366-racesponsor-0.bMm-Wp.png

77 ms

cookie-img.bFehfM.png

cookie-img.bFehfM.png

77 ms

4fbcf6c7-f06e-42ab-84c4-40824767ae57-bMvIdX.png

4fbcf6c7-f06e-42ab-84c4-40824767ae57-bMvIdX.png

194 ms

icomoon.ttf

icomoon.ttf

70 ms

4LcJXAGBrrA

4LcJXAGBrrA

213 ms

event

event

116 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

19 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

32 ms

KFOlCnqEu92Fr1MmWUlfBBc-.woff

KFOlCnqEu92Fr1MmWUlfBBc-.woff

43 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBO5Xo.woff

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBO5Xo.woff

44 ms

0nkrC9D4IuYBgWcI9NbfTwc.woff

0nkrC9D4IuYBgWcI9NbfTwc.woff

388 ms

event

event

86 ms

event

event

61 ms

www-player.css

www-player.css

8 ms

www-embed-player.js

www-embed-player.js

28 ms

base.js

base.js

54 ms

ad_status.js

ad_status.js

154 ms

0o2vSHmH6ApOX27UzDeaY_GD7faOtklBjWYygVKryhI.js

0o2vSHmH6ApOX27UzDeaY_GD7faOtklBjWYygVKryhI.js

83 ms

embed.js

embed.js

45 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

12 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

12 ms

Accessibility Review

colorado13er.com accessibility score

81

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

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

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.

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

High

Links do not have a discernible name

Best Practices

colorado13er.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

colorado13er.com SEO score

90

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

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 Colorado13er.com 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 Colorado13er.com 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

colorado13er.com

Open Graph data is detected on the main page of Colorado 13er. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: