Tools & Wizards About Us

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

redrocksconcerts2021.com

Red Rocks Concerts 2023 - Red Rocks Amphitheatre Tickets

Page Load Speed

2 sec in total

First Response

86 ms

Resources Loaded

1.2 sec

Page Rendered

740 ms

About Website

Welcome to redrocksconcerts2021.com homepage info - get ready to check Red Rocks Concerts 2021 best content right away, or after learning these important things about redrocksconcerts2021.com

Great concerts are coming to Red Rocks Amphitheatre in 2023 and tickets are on sale now. See the Red Rocks Concerts 2023 schedule and get tickets here!

Visit redrocksconcerts2021.com

Key Findings

We analyzed Redrocksconcerts2021.com page load time and found that the first response time was 86 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

redrocksconcerts2021.com performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

redrocksconcerts2021.com

86 ms

redrocksconcerts2021.com

161 ms

css

113 ms

css

134 ms

VerBust.js

96 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 48% of them (16 requests) were addressed to the original Redrocksconcerts2021.com, 36% (12 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (479 ms) relates to the external source Unpkg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 37.9 kB (21%)

Content Size

176.9 kB

After Optimization

139.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Redrocksconcerts2021.com main page is 176.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Javascripts take 69.3 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 34.0 kB

  • Original 40.6 kB
  • After minification 40.6 kB
  • After compression 6.6 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 34.0 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 551 B

  • Original 28.8 kB
  • After minification 28.2 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. Red Rocks Concerts 2021 images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 1.4 kB

  • Original 69.3 kB
  • After minification 69.3 kB
  • After compression 67.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 1.9 kB

  • Original 38.2 kB
  • After minification 38.2 kB
  • After compression 36.3 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. Redrocksconcerts2021.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (72%)

Requests Now

18

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Red Rocks Concerts 2021. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

redrocksconcerts2021.com accessibility score

88

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

redrocksconcerts2021.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

redrocksconcerts2021.com SEO score

100

Search Engine Optimization Advices

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 Redrocksconcerts2021.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 Redrocksconcerts2021.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

Open Graph description is not detected on the main page of Red Rocks Concerts 2021. 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: