Tools & Wizards About Us
scuba-training.net screenshot

Report Summary

  • 0

    Performance

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

scuba-training.net

The New SCUBA-Training.Net

Page Load Speed

411 ms in total

First Response

57 ms

Resources Loaded

231 ms

Page Rendered

123 ms

scuba-training.net screenshot

About Website

Welcome to scuba-training.net homepage info - get ready to check SCUBA Training best content for United States right away, or after learning these important things about scuba-training.net

Visit scuba-training.net

Key Findings

We analyzed Scuba-training.net page load time and found that the first response time was 57 ms and then it took 354 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

scuba-training.net performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

scuba-training.net

57 ms

buttonBar.php

30 ms

workArea.php

64 ms

show_ads.js

5 ms

logo.bb.jpg

46 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 58% of them (7 requests) were addressed to the original Scuba-training.net, 33% (4 requests) were made to Pagead2.googlesyndication.com and 8% (1 request) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (116 ms) relates to the external source Pagead2.googlesyndication.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 710 B (1%)

Content Size

86.4 kB

After Optimization

85.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Scuba-training.net main page is 86.4 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. 15% of websites need less resources to load. Images take 71.5 kB which makes up the majority of the site volume.

HTML Optimization

-32%

Potential reduce by 105 B

  • Original 330 B
  • After minification 324 B
  • After compression 225 B

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 105 B or 32% of the original size.

Image Optimization

-1%

Potential reduce by 480 B

  • Original 71.5 kB
  • After minification 71.0 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. SCUBA Training images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 125 B

  • Original 14.6 kB
  • After minification 14.5 kB
  • After compression 14.5 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 3 (27%)

Requests Now

11

After Optimization

8

  • AJAX
  • Images
  • JavaScript

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SCUBA Training. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

scuba-training.net

scuba-training.net

57 ms

buttonBar.php

buttonBar.php

30 ms

workArea.php

workArea.php

64 ms

show_ads.js

show_ads.js

5 ms

logo.bb.jpg

logo.bb.jpg

46 ms

ca-pub-3421033026963965.js

ca-pub-3421033026963965.js

116 ms

zrt_lookup.html

zrt_lookup.html

31 ms

show_ads_impl.js

show_ads_impl.js

54 ms

bigLogo.jpg

bigLogo.jpg

94 ms

learn2dive.jpg

learn2dive.jpg

90 ms

monitorAir.jpg

monitorAir.jpg

104 ms

osd.js

osd.js

5 ms

Accessibility Review

scuba-training.net accessibility score

75

Accessibility Issues

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

Best Practices

scuba-training.net best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

scuba-training.net SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scuba-training.net can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Scuba-training.net main page’s claimed encoding is iso-8859-1. 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

scuba-training.net

Open Graph description is not detected on the main page of SCUBA Training. 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: