Tools & Wizards About Us
bigblueswimschool.com screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

bigblueswimschool.com

Swim School | Kids Swim Lessons | Big Blue Swim School

Page Load Speed

1.7 sec in total

First Response

12 ms

Resources Loaded

1.2 sec

Page Rendered

481 ms

bigblueswimschool.com screenshot

About Website

Visit bigblueswimschool.com now to see the best up-to-date Big Blue Swim School content for United States and also check out these interesting facts you probably never knew about bigblueswimschool.com

Our swim school empowers kids of all ages to enjoy and feel confident in the water. Click here to learn more about our weekly programs & get a free trial!

Visit bigblueswimschool.com

Key Findings

We analyzed Bigblueswimschool.com page load time and found that the first response time was 12 ms and then it took 1.7 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

bigblueswimschool.com performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.4 s

1/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value3,670 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.267

46/100

15%

TTI (Time to Interactive)

Value26.1 s

0/100

10%

Network Requests Diagram

bigblueswimschool.com

12 ms

bigblueswimschool.com

317 ms

gfn6pld.css

143 ms

icon-font.min.css

124 ms

api.js

38 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 58% of them (36 requests) were addressed to the original Bigblueswimschool.com, 15% (9 requests) were made to A-us.storyblok.com and 8% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (703 ms) relates to the external source A-us.storyblok.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 504.3 kB (29%)

Content Size

1.7 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bigblueswimschool.com main page is 1.7 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. 80% 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 869.1 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 176.7 kB

  • Original 212.2 kB
  • After minification 211.7 kB
  • After compression 35.4 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 176.7 kB or 83% of the original size.

Image Optimization

-12%

Potential reduce by 105.0 kB

  • Original 869.1 kB
  • After minification 764.1 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, Big Blue Swim School needs image optimization as it can save up to 105.0 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

-37%

Potential reduce by 222.5 kB

  • Original 602.3 kB
  • After minification 602.3 kB
  • After compression 379.8 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 222.5 kB or 37% of the original size.

CSS Optimization

-0%

Potential reduce by 86 B

  • Original 61.5 kB
  • After minification 61.5 kB
  • After compression 61.4 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. Bigblueswimschool.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (37%)

Requests Now

49

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Big Blue Swim School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bigblueswimschool.com

bigblueswimschool.com

12 ms

bigblueswimschool.com

bigblueswimschool.com

317 ms

gfn6pld.css

gfn6pld.css

143 ms

icon-font.min.css

icon-font.min.css

124 ms

api.js

api.js

38 ms

aa08c5b.js

aa08c5b.js

7 ms

dd8ec86.js

dd8ec86.js

45 ms

13c1e1f.js

13c1e1f.js

46 ms

d426d09.js

d426d09.js

15 ms

4773513.js

4773513.js

12 ms

075bc94.js

075bc94.js

13 ms

c3d3001.js

c3d3001.js

24 ms

7c487ba.js

7c487ba.js

29 ms

3c356c8.js

3c356c8.js

20 ms

p.css

p.css

22 ms

recaptcha__en.js

recaptcha__en.js

159 ms

water.9c4b098.svg

water.9c4b098.svg

34 ms

whale-with-balloons.png

whale-with-balloons.png

189 ms

s2PqHmvFRg8

s2PqHmvFRg8

214 ms

dark_BB_logo.80304ee.png

dark_BB_logo.80304ee.png

8 ms

01.55ae734.png

01.55ae734.png

6 ms

1.0a3c75f.png

1.0a3c75f.png

13 ms

1.452fa43.png

1.452fa43.png

7 ms

7.241d5b9.png

7.241d5b9.png

7 ms

person-swimming.e639be0.svg

person-swimming.e639be0.svg

13 ms

1.58434a8.png

1.58434a8.png

164 ms

4.18acb65.png

4.18acb65.png

117 ms

usa_SwimmingFoundationLogo.61628c5.png

usa_SwimmingFoundationLogo.61628c5.png

24 ms

us_SwimSchoolAssociationLogo.b7e48cd.png

us_SwimSchoolAssociationLogo.b7e48cd.png

119 ms

wordmark-white.d472586.svg

wordmark-white.d472586.svg

118 ms

fb-icon.fb1345d.svg

fb-icon.fb1345d.svg

36 ms

twitter-icon.1773f28.svg

twitter-icon.1773f28.svg

116 ms

instagram-icon.390ea38.svg

instagram-icon.390ea38.svg

118 ms

pinterest-icon.3c7ec0d.svg

pinterest-icon.3c7ec0d.svg

163 ms

youtube-icon.d480b37.svg

youtube-icon.d480b37.svg

162 ms

submarine.png

submarine.png

160 ms

butterflies.png

butterflies.png

164 ms

filters:quality(80)

filters:quality(80)

179 ms

filters:quality(80)

filters:quality(80)

178 ms

filters:quality(80)

filters:quality(80)

212 ms

filters:quality(80)

filters:quality(80)

177 ms

filters:quality(80)

filters:quality(80)

244 ms

filters:quality(80)

filters:quality(80)

703 ms

Gibson-Bold.9232b94.woff

Gibson-Bold.9232b94.woff

51 ms

Gibson-Heavy.695e5aa.woff

Gibson-Heavy.695e5aa.woff

53 ms

Gibson-SemiBold.0b062ed.woff

Gibson-SemiBold.0b062ed.woff

51 ms

Gibson-Medium.2d0ea52.woff

Gibson-Medium.2d0ea52.woff

99 ms

Gibson-Regular.f279371.woff

Gibson-Regular.f279371.woff

99 ms

Gibson-Book.07636b1.woff

Gibson-Book.07636b1.woff

99 ms

Gibson-Light.4eaf719.woff

Gibson-Light.4eaf719.woff

131 ms

Gibson-Thin.c1de616.woff

Gibson-Thin.c1de616.woff

99 ms

Linearicons-Free.ttf

Linearicons-Free.ttf

65 ms

www-player.css

www-player.css

5 ms

www-embed-player.js

www-embed-player.js

29 ms

base.js

base.js

60 ms

ad_status.js

ad_status.js

157 ms

L24uOtqvNfFRO5TOxiIOVgM50wph5QKjT82e9pNVgC0.js

L24uOtqvNfFRO5TOxiIOVgM50wph5QKjT82e9pNVgC0.js

73 ms

embed.js

embed.js

32 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

111 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

114 ms

id

id

99 ms

Create

Create

24 ms

Accessibility Review

bigblueswimschool.com accessibility score

84

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

Best Practices

bigblueswimschool.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

bigblueswimschool.com SEO score

93

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bigblueswimschool.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 Bigblueswimschool.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

bigblueswimschool.com

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