Tools & Wizards About Us
tennisdenver.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

tennisdenver.com

Denver Tennis Community | Metro Denver Tennis League

Page Load Speed

1.7 sec in total

First Response

32 ms

Resources Loaded

1.1 sec

Page Rendered

523 ms

tennisdenver.com screenshot

About Website

Welcome to tennisdenver.com homepage info - get ready to check Tennis Denver best content for United States right away, or after learning these important things about tennisdenver.com

The Denver Tennis League. We connect you with dedicated tennis partners on the courts. Servicing Denver, Aurora, Englewood, Golden, Lakewood, Littleton and Westminster.

Visit tennisdenver.com

Key Findings

We analyzed Tennisdenver.com page load time and found that the first response time was 32 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

tennisdenver.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value2,950 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value26.7 s

0/100

10%

Network Requests Diagram

tennisdenver.com

32 ms

tennisdenver.com

409 ms

jquery-1.12.1.min.js

30 ms

jquery_validation.min.js

39 ms

toastr.js

45 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 69% of them (56 requests) were addressed to the original Tennisdenver.com, 15% (12 requests) were made to Youtube.com and 4% (3 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (495 ms) relates to the external source Tennisleaguenetwork-profile-images.s3.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 606.8 kB (7%)

Content Size

8.4 MB

After Optimization

7.8 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Tennisdenver.com main page is 8.4 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. 60% of websites need less resources to load. Images take 8.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 56.6 kB

  • Original 69.2 kB
  • After minification 59.8 kB
  • After compression 12.7 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 9.4 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 56.6 kB or 82% of the original size.

Image Optimization

-7%

Potential reduce by 547.4 kB

  • Original 8.2 MB
  • After minification 7.6 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. Tennis Denver images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 2.9 kB

  • Original 179.3 kB
  • After minification 179.3 kB
  • After compression 176.4 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.

Requests Breakdown

Number of requests can be reduced by 35 (54%)

Requests Now

65

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tennis Denver. 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 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tennisdenver.com

tennisdenver.com

32 ms

tennisdenver.com

tennisdenver.com

409 ms

jquery-1.12.1.min.js

jquery-1.12.1.min.js

30 ms

jquery_validation.min.js

jquery_validation.min.js

39 ms

toastr.js

toastr.js

45 ms

bootstrap.min.js

bootstrap.min.js

48 ms

owl.carousel.min.js

owl.carousel.min.js

51 ms

easy-responsive-tabs.js

easy-responsive-tabs.js

40 ms

custom.js

custom.js

59 ms

facebook.js

facebook.js

60 ms

common.js

common.js

61 ms

style.css

style.css

71 ms

responsive.css

responsive.css

85 ms

bootstrap.css

bootstrap.css

79 ms

toastr.css

toastr.css

84 ms

font-awesome.css

font-awesome.css

87 ms

owl.carousel.css

owl.carousel.css

86 ms

custom.css

custom.css

97 ms

helper.css

helper.css

114 ms

leaflet.js

leaflet.js

118 ms

leaflet.css

leaflet.css

108 ms

lightbox.css

lightbox.css

111 ms

jquery_facebook.alert.js

jquery_facebook.alert.js

109 ms

js

js

52 ms

jquery

jquery

172 ms

jquery.easing.1.3

jquery.easing.1.3

179 ms

jquery.cssAnimate.mini

jquery.cssAnimate.mini

179 ms

jquery.waitforimages

jquery.waitforimages

182 ms

jquery.touchwipe.min

jquery.touchwipe.min

182 ms

jquery.themepunch.paradigm

jquery.themepunch.paradigm

182 ms

style.css

style.css

181 ms

email-decode.min.js

email-decode.min.js

181 ms

fbevents.js

fbevents.js

142 ms

sdk.js

sdk.js

140 ms

20230529_100603.jpg

20230529_100603.jpg

495 ms

denver.png

denver.png

140 ms

badge_banner_2024_160.png

badge_banner_2024_160.png

140 ms

tl.png

tl.png

173 ms

partner_programs.png

partner_programs.png

155 ms

doubles_leagues.jpg

doubles_leagues.jpg

156 ms

tournament.png

tournament.png

173 ms

tennis_lesson.png

tennis_lesson.png

211 ms

end_of_year_tourney.jpg

end_of_year_tourney.jpg

187 ms

tln_youtube_video.png

tln_youtube_video.png

186 ms

IMG_E1530.JPG

IMG_E1530.JPG

409 ms

168 ms

loOHCOp32DM

loOHCOp32DM

7 ms

D0AEpyw_dxs

D0AEpyw_dxs

6 ms

ipFCvFNKnQ4

ipFCvFNKnQ4

5 ms

4LTmNw3GQtE

4LTmNw3GQtE

3 ms

loOHCOp32DM

loOHCOp32DM

3 ms

D0AEpyw_dxs

D0AEpyw_dxs

16 ms

ipFCvFNKnQ4

ipFCvFNKnQ4

18 ms

4LTmNw3GQtE

4LTmNw3GQtE

20 ms

loOHCOp32DM

loOHCOp32DM

12 ms

D0AEpyw_dxs

D0AEpyw_dxs

0 ms

ipFCvFNKnQ4

ipFCvFNKnQ4

1 ms

4LTmNw3GQtE

4LTmNw3GQtE

0 ms

analytics.js

analytics.js

112 ms

bat.js

bat.js

131 ms

tennis_league_thumb.png

tennis_league_thumb.png

74 ms

partner_program_thumb.png

partner_program_thumb.png

83 ms

doubles_leagues.jpg

doubles_leagues.jpg

104 ms

tourney.png

tourney.png

108 ms

tennis_lessons.jpg

tennis_lessons.jpg

115 ms

end_of_year_tourney.png

end_of_year_tourney.png

106 ms

tln_youtube_video.png

tln_youtube_video.png

113 ms

tennis_leagues_shade.png

tennis_leagues_shade.png

134 ms

partner_shade.png

partner_shade.png

135 ms

doubles_leagues_shade.jpg

doubles_leagues_shade.jpg

132 ms

tourney_shade.png

tourney_shade.png

132 ms

tennis_lessons_shade.jpg

tennis_lessons_shade.jpg

137 ms

end_of_year_tourney_shade.png

end_of_year_tourney_shade.png

143 ms

tln_youtube_video_shade.png

tln_youtube_video_shade.png

159 ms

150 ms

sdk.js

sdk.js

21 ms

59 ms

collect

collect

14 ms

collect

collect

30 ms

5681022.js

5681022.js

21 ms

js

js

61 ms

Accessibility Review

tennisdenver.com accessibility score

65

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.

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

Image elements do not have [alt] attributes

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

tennisdenver.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

tennisdenver.com SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

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 Tennisdenver.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 Tennisdenver.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

tennisdenver.com

Open Graph description is not detected on the main page of Tennis Denver. 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: