Tools & Wizards About Us
divebvi.com screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

divebvi.com

Dive BVI – It’s what we do!

Page Load Speed

23.9 sec in total

First Response

909 ms

Resources Loaded

21.6 sec

Page Rendered

1.4 sec

divebvi.com screenshot

About Website

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

website description

Visit divebvi.com

Key Findings

We analyzed Divebvi.com page load time and found that the first response time was 909 ms and then it took 23 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

divebvi.com performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value19.2 s

0/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value5,080 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.381

27/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

divebvi.com

909 ms

zke3dtc.js

239 ms

analytics.js

190 ms

colorbox-1.css

71 ms

sbi-styles.min.css

103 ms

Our browser made a total of 186 requests to load all elements on the main page. We found that 60% of them (111 requests) were addressed to the original Divebvi.com, 18% (33 requests) were made to S.w.org and 4% (8 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (19.6 sec) relates to the external source Tripadvisor.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 682.2 kB (24%)

Content Size

2.8 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Divebvi.com main page is 2.8 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. Only a small number of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 352.0 kB

  • Original 403.8 kB
  • After minification 385.8 kB
  • After compression 51.9 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 352.0 kB or 87% of the original size.

Image Optimization

-15%

Potential reduce by 302.6 kB

  • Original 2.0 MB
  • After minification 1.7 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, Dive BVI needs image optimization as it can save up to 302.6 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 8.0 kB

  • Original 218.4 kB
  • After minification 218.4 kB
  • After compression 210.4 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.

CSS Optimization

-10%

Potential reduce by 19.6 kB

  • Original 191.7 kB
  • After minification 191.1 kB
  • After compression 172.1 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. Divebvi.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 97 (58%)

Requests Now

167

After Optimization

70

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 167 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dive BVI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 40 to 1 for JavaScripts and from 36 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

divebvi.com

divebvi.com

909 ms

zke3dtc.js

zke3dtc.js

239 ms

analytics.js

analytics.js

190 ms

colorbox-1.css

colorbox-1.css

71 ms

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103 ms

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103 ms

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162 ms

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153 ms

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342 ms

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351 ms

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369 ms

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261 ms

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154 ms

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Accessibility Review

divebvi.com accessibility score

67

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role] values are not valid

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

divebvi.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

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

divebvi.com SEO score

78

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Divebvi.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 Divebvi.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

divebvi.com

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