Tools & Wizards About Us
scubacenter.com screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

scubacenter.com

Scuba Center | Minnesota's Largest PADI Scuba Diving School | Scuba Diving and Snorkeling Equipment, Water Rescue Equipment | Scuba Diving Classes | D...

Page Load Speed

1.4 sec in total

First Response

119 ms

Resources Loaded

1.2 sec

Page Rendered

119 ms

scubacenter.com screenshot

About Website

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

Scuba Center Minnesota | Scuba Diving Equipment | Public Safety Diving Equipment | Water Rescue Equipment | Scuba Center has been teaching scuba diving certification classes since 1973. We were Minnes...

Visit scubacenter.com

Key Findings

We analyzed Scubacenter.com page load time and found that the first response time was 119 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

scubacenter.com performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

scubacenter.com

119 ms

scubacenter.com

25 ms

12.gif

99 ms

SC_logo_150.gif

261 ms

PADI_5star_IDC_Horiz_150X67.png

287 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 99% of them (68 requests) were addressed to the original Scubacenter.com, 1% (1 request) were made to Images.scanalert.com. The less responsive or slowest element that took the longest time to load (668 ms) belongs to the original domain Scubacenter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 153.4 kB (27%)

Content Size

571.8 kB

After Optimization

418.4 kB

  • HTML
  • Images

In fact, the total size of Scubacenter.com main page is 571.8 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. 25% of websites need less resources to load. Images take 501.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 56.2 kB

  • Original 70.7 kB
  • After minification 67.4 kB
  • After compression 14.5 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 56.2 kB or 79% of the original size.

Image Optimization

-19%

Potential reduce by 97.2 kB

  • Original 501.1 kB
  • After minification 403.9 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, Scuba Center needs image optimization as it can save up to 97.2 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

67

After Optimization

67

  • Images

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scuba Center. According to our analytics all requests are already optimized.

Network Requests Diagram

scubacenter.com

scubacenter.com

119 ms

scubacenter.com

scubacenter.com

25 ms

12.gif

12.gif

99 ms

SC_logo_150.gif

SC_logo_150.gif

261 ms

PADI_5star_IDC_Horiz_150X67.png

PADI_5star_IDC_Horiz_150X67.png

287 ms

button14.jpg

button14.jpg

260 ms

buttonA.jpg

buttonA.jpg

234 ms

dive_flag_dot.gif

dive_flag_dot.gif

231 ms

button2.jpg

button2.jpg

260 ms

button5.jpg

button5.jpg

288 ms

button11.jpg

button11.jpg

289 ms

Public_Safety_Banner_150x94.png

Public_Safety_Banner_150x94.png

371 ms

spacer.gif

spacer.gif

318 ms

buttonD.jpg

buttonD.jpg

331 ms

button78.jpg

button78.jpg

349 ms

button7E.jpg

button7E.jpg

350 ms

Life_Ring_24x24.png

Life_Ring_24x24.png

349 ms

dive_flag_24x24.gif

dive_flag_24x24.gif

379 ms

Globe_24x24.PNG

Globe_24x24.PNG

394 ms

Shopping_Cart_24x24.png

Shopping_Cart_24x24.png

405 ms

email_newsletter_square_2_24x24.PNG

email_newsletter_square_2_24x24.PNG

418 ms

Facebook_logo_24x24.png

Facebook_logo_24x24.png

419 ms

Pinterest_logo_24x24.png

Pinterest_logo_24x24.png

439 ms

Twitter_24x24.png

Twitter_24x24.png

440 ms

PADI_DM_Divers_150x150.png

PADI_DM_Divers_150x150.png

590 ms

Aqua_Lung_Public_Safety_Diver_2014_150x150.png

Aqua_Lung_Public_Safety_Diver_2014_150x150.png

546 ms

button12.jpg

button12.jpg

474 ms

button34.jpg

button34.jpg

479 ms

buttonD.jpg

buttonD.jpg

498 ms

Scubapro_reef_diver_150x150.png

Scubapro_reef_diver_150x150.png

636 ms

Apeks_Drysuit_Diver_150x150.png

Apeks_Drysuit_Diver_150x150.png

639 ms

Apeks_logo_bk_120x31.png

Apeks_logo_bk_120x31.png

538 ms

Aqua_Lung_120x22.png

Aqua_Lung_120x22.png

554 ms

Bigblue_Logo_120x37.png

Bigblue_Logo_120x37.png

597 ms

Garmin_logo_120x23.png

Garmin_logo_120x23.png

602 ms

Interspiro_108x21.png

Interspiro_108x21.png

611 ms

NRS_Rescue_logo_104x40.png

NRS_Rescue_logo_104x40.png

658 ms

OTS_logo_60x40.png

OTS_logo_60x40.png

668 ms

Scubapro_Banner_logo_120x35.png

Scubapro_Banner_logo_120x35.png

668 ms

Shearwater_logo_120x17.png

Shearwater_logo_120x17.png

457 ms

xDeep_logo_bk_120x31.png

xDeep_logo_bk_120x31.png

489 ms

Scuba_Center_Eagan_MN_150x96.PNG

Scuba_Center_Eagan_MN_150x96.PNG

444 ms

Mpls_Store_sm.jpg

Mpls_Store_sm.jpg

463 ms

DAN_Biz_Mem_Logo_Hztl.gif

DAN_Biz_Mem_Logo_Hztl.gif

467 ms

find_us_on_facebook_badge.gif

find_us_on_facebook_badge.gif

443 ms

PADI_Horizontal.jpg

PADI_Horizontal.jpg

458 ms

Reef_logo_73x45.png

Reef_logo_73x45.png

496 ms

button79.jpg

button79.jpg

64 ms

button7A.jpg

button7A.jpg

58 ms

button7F.jpg

button7F.jpg

59 ms

button80.jpg

button80.jpg

60 ms

buttonB.jpg

buttonB.jpg

85 ms

buttonC.jpg

buttonC.jpg

64 ms

buttonE.jpg

buttonE.jpg

114 ms

buttonF.jpg

buttonF.jpg

125 ms

button3.jpg

button3.jpg

115 ms

button4.jpg

button4.jpg

125 ms

button6.jpg

button6.jpg

125 ms

button7.jpg

button7.jpg

142 ms

button15.jpg

button15.jpg

170 ms

button16.jpg

button16.jpg

171 ms

button32.jpg

button32.jpg

180 ms

button33.jpg

button33.jpg

186 ms

button8.jpg

button8.jpg

187 ms

button9.jpg

button9.jpg

197 ms

button10.jpg

button10.jpg

225 ms

buttonA.jpg

buttonA.jpg

245 ms

buttonE.jpg

buttonE.jpg

246 ms

buttonF.jpg

buttonF.jpg

249 ms

Accessibility Review

scubacenter.com accessibility score

78

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.

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

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

Links do not have a discernible name

Best Practices

scubacenter.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

scubacenter.com SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scubacenter.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Scubacenter.com main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

scubacenter.com

Open Graph description is not detected on the main page of Scuba Center. 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: