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airalert.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

airalert.com

How To Play Basketball - Basketball Training - Air Alert Vertical Jump Program

Page Load Speed

1.7 sec in total

First Response

54 ms

Resources Loaded

938 ms

Page Rendered

680 ms

airalert.com screenshot

About Website

Visit airalert.com now to see the best up-to-date Air Alert content and also check out these interesting facts you probably never knew about airalert.com

Learn how to jump higher and increase vertical leap for free with Air Alert vertical jump training

Visit airalert.com

Key Findings

We analyzed Airalert.com page load time and found that the first response time was 54 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

airalert.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

18/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value2,570 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.301

39/100

15%

TTI (Time to Interactive)

Value21.2 s

1/100

10%

Network Requests Diagram

airalert.com

54 ms

241 ms

simple-line-icons.min.css

36 ms

k2.css

9 ms

mediaelementplayer.css

15 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 94% of them (90 requests) were addressed to the original Airalert.com, 2% (2 requests) were made to Connect.facebook.net and 1% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (241 ms) belongs to the original domain Airalert.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 262.6 kB (14%)

Content Size

1.8 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Airalert.com main page is 1.8 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 64.0 kB

  • Original 76.1 kB
  • After minification 65.3 kB
  • After compression 12.1 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 10.8 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 64.0 kB or 84% of the original size.

Image Optimization

-12%

Potential reduce by 184.7 kB

  • Original 1.5 MB
  • After minification 1.3 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. Obviously, Air Alert needs image optimization as it can save up to 184.7 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 3.5 kB

  • Original 149.6 kB
  • After minification 149.6 kB
  • After compression 146.1 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

-11%

Potential reduce by 10.3 kB

  • Original 94.1 kB
  • After minification 94.0 kB
  • After compression 83.8 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. Airalert.com needs all CSS files to be minified and compressed as it can save up to 10.3 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (51%)

Requests Now

80

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Air Alert. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

airalert.com

airalert.com

54 ms

241 ms

simple-line-icons.min.css

simple-line-icons.min.css

36 ms

k2.css

k2.css

9 ms

mediaelementplayer.css

mediaelementplayer.css

15 ms

allvideoshare.css

allvideoshare.css

17 ms

bootstrap.css

bootstrap.css

23 ms

content.css

content.css

18 ms

styles.css

styles.css

17 ms

pure-min.css

pure-min.css

18 ms

style3.css.php

style3.css.php

36 ms

style2.css

style2.css

19 ms

style4.css

style4.css

20 ms

jquery.min.js

jquery.min.js

30 ms

jquery-noconflict.js

jquery-noconflict.js

19 ms

jquery-migrate.min.js

jquery-migrate.min.js

20 ms

k2.frontend.js

k2.frontend.js

20 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

31 ms

vimeo.min.js

vimeo.min.js

28 ms

allvideoshare.js

allvideoshare.js

28 ms

bootstrap.min.js

bootstrap.min.js

29 ms

jquery.ui.core.min.js

jquery.ui.core.min.js

29 ms

jquery.ui.sortable.min.js

jquery.ui.sortable.min.js

30 ms

jquery-ui-addons.js

jquery-ui-addons.js

76 ms

jquery.easing.1.3.min.js

jquery.easing.1.3.min.js

30 ms

sptab.js

sptab.js

30 ms

sp-accordion.js

sp-accordion.js

32 ms

bootstrap-default-min.css

bootstrap-default-min.css

88 ms

bootstrap-responsive.css

bootstrap-responsive.css

32 ms

font-awesome.min.css

font-awesome.min.css

33 ms

system.css

system.css

73 ms

general.css

general.css

86 ms

template.css

template.css

99 ms

editor.css

editor.css

87 ms

s5_responsive_bars-min.css

s5_responsive_bars-min.css

96 ms

s5_responsive_hide_classes-min.css

s5_responsive_hide_classes-min.css

100 ms

s5_responsive.css

s5_responsive.css

97 ms

custom.css

custom.css

96 ms

css

css

229 ms

s5_info_slide-min.css

s5_info_slide-min.css

101 ms

s5_responsive_mobile_bar-min.js

s5_responsive_mobile_bar-min.js

98 ms

all.js

all.js

40 ms

count.js

count.js

45 ms

system.css

system.css

19 ms

all.js

all.js

6 ms

s5_dark_bg.jpg

s5_dark_bg.jpg

91 ms

player_api

player_api

92 ms

cc_cover.jpg

cc_cover.jpg

51 ms

s5_menu_shadow.png

s5_menu_shadow.png

26 ms

bprogramslogo100.png

bprogramslogo100.png

32 ms

CourtController_headervid.jpg

CourtController_headervid.jpg

32 ms

question.png

question.png

29 ms

close.png

close.png

25 ms

note.png

note.png

29 ms

etsy_buy.png

etsy_buy.png

32 ms

AA_logo2024a1.png

AA_logo2024a1.png

33 ms

style2.png

style2.png

37 ms

WorkoutChart.jpg

WorkoutChart.jpg

39 ms

AA_Adv_Chart.jpg

AA_Adv_Chart.jpg

40 ms

play.png

play.png

37 ms

52 ms

timur_aa_3.png

timur_aa_3.png

44 ms

cc_arrowblinder.jpg

cc_arrowblinder.jpg

38 ms

buynow_10.png

buynow_10.png

37 ms

credit_cards.png

credit_cards.png

40 ms

weiwuwei_banner.jpg

weiwuwei_banner.jpg

40 ms

mejs-controls.svg

mejs-controls.svg

41 ms

tab-red-active-l.png

tab-red-active-l.png

43 ms

tab-red-active-r.png

tab-red-active-r.png

43 ms

tab-l.png

tab-l.png

43 ms

tab-r.png

tab-r.png

44 ms

airalert.jpg

airalert.jpg

21 ms

1warmingup.jpg

1warmingup.jpg

23 ms

2stretching.jpg

2stretching.jpg

26 ms

3leapups.jpg

3leapups.jpg

26 ms

4calfraises.jpg

4calfraises.jpg

26 ms

5stepups.jpg

5stepups.jpg

29 ms

6thurstups.jpg

6thurstups.jpg

28 ms

7burnouts.jpg

7burnouts.jpg

29 ms

8squathops.jpg

8squathops.jpg

31 ms

9coolingdown.jpg

9coolingdown.jpg

32 ms

additional_exercises.jpg

additional_exercises.jpg

33 ms

aa_advanced.jpg

aa_advanced.jpg

33 ms

cc_cover.jpg

cc_cover.jpg

34 ms

airalert.jpg

airalert.jpg

25 ms

1warmingup.jpg

1warmingup.jpg

23 ms

4calfraises.jpg

4calfraises.jpg

23 ms

3leapups.jpg

3leapups.jpg

22 ms

2stretching.jpg

2stretching.jpg

22 ms

6thurstups.jpg

6thurstups.jpg

22 ms

5stepups.jpg

5stepups.jpg

21 ms

7burnouts.jpg

7burnouts.jpg

19 ms

8squathops.jpg

8squathops.jpg

19 ms

9coolingdown.jpg

9coolingdown.jpg

18 ms

aa_advanced.jpg

aa_advanced.jpg

19 ms

additional_exercises.jpg

additional_exercises.jpg

18 ms

Accessibility Review

airalert.com accessibility score

98

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.

Best Practices

airalert.com best practices score

67

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

airalert.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 Airalert.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 Airalert.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

airalert.com

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