Tools & Wizards About Us
diveadvisor.com screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

diveadvisor.com

DiveAdvisor | A Social Scuba Diving Network

Page Load Speed

9.2 sec in total

First Response

1.8 sec

Resources Loaded

6.8 sec

Page Rendered

522 ms

diveadvisor.com screenshot

About Website

Visit diveadvisor.com now to see the best up-to-date Dive Advisor content for Indonesia and also check out these interesting facts you probably never knew about diveadvisor.com

Dive Advisor is a blogging, dive logging and communication platform built for Scuba Divers and Scuba Businesses.

Visit diveadvisor.com

Key Findings

We analyzed Diveadvisor.com page load time and found that the first response time was 1.8 sec and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

diveadvisor.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value31.3 s

0/100

25%

SI (Speed Index)

Value17.6 s

0/100

10%

TBT (Total Blocking Time)

Value830 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.074

95/100

15%

TTI (Time to Interactive)

Value24.2 s

0/100

10%

Network Requests Diagram

diveadvisor.com

1792 ms

css

1919 ms

css

43 ms

js

60 ms

jsapi

30 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 36% of them (27 requests) were addressed to the original Diveadvisor.com, 17% (13 requests) were made to Use.typekit.net and 8% (6 requests) were made to Img.diveadvisor.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Diveadvisor.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (44%)

Content Size

3.7 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Diveadvisor.com main page is 3.7 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. 70% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 64.3 kB

  • Original 81.0 kB
  • After minification 73.7 kB
  • After compression 16.6 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 64.3 kB or 79% of the original size.

Image Optimization

-39%

Potential reduce by 990.7 kB

  • Original 2.6 MB
  • After minification 1.6 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 Advisor needs image optimization as it can save up to 990.7 kB or 39% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-53%

Potential reduce by 564.6 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 503.8 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 564.6 kB or 53% of the original size.

CSS Optimization

-1%

Potential reduce by 15 B

  • Original 1.3 kB
  • After minification 1.3 kB
  • After compression 1.3 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. Diveadvisor.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (29%)

Requests Now

48

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dive Advisor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

diveadvisor.com

diveadvisor.com

1792 ms

css

css

1919 ms

css

css

43 ms

js

js

60 ms

jsapi

jsapi

30 ms

ex

ex

1094 ms

my

my

1147 ms

onu3kcg.js

onu3kcg.js

248 ms

api.js

api.js

46 ms

loader.js

loader.js

17 ms

client.js

client.js

19 ms

analytics.js

analytics.js

214 ms

mixpanel-2.2.min.js

mixpanel-2.2.min.js

242 ms

ai.0.js

ai.0.js

486 ms

recaptcha__en.js

recaptcha__en.js

163 ms

displayImg.png

displayImg.png

312 ms

tripadvisor_logo_transp_280x60-MCID-0.png

tripadvisor_logo_transp_280x60-MCID-0.png

260 ms

healthy-guam-coral-391-medium.jpg

healthy-guam-coral-391-medium.jpg

295 ms

false-clownfish-513-medium.jpg

false-clownfish-513-medium.jpg

310 ms

close-encounter-with-reef-shark-1568-medium.jpg

close-encounter-with-reef-shark-1568-medium.jpg

294 ms

main-background-pattern.png

main-background-pattern.png

587 ms

loading16.gif

loading16.gif

453 ms

loading-diver.gif

loading-diver.gif

822 ms

header-pattern.jpg

header-pattern.jpg

1037 ms

logo.png

logo.png

1238 ms

beta.png

beta.png

1172 ms

icons.png

icons.png

1515 ms

appIcon.png

appIcon.png

1304 ms

googlePlayIcon.png

googlePlayIcon.png

1306 ms

ico_help_small.png

ico_help_small.png

1305 ms

hp_sub2o_logo.png

hp_sub2o_logo.png

1323 ms

bgImg.jpg

bgImg.jpg

287 ms

header_images.png

header_images.png

1624 ms

menu_divider.png

menu_divider.png

1499 ms

icons.png

icons.png

2436 ms

content_background2.png

content_background2.png

1631 ms

register.png

register.png

1499 ms

socailIcons.png

socailIcons.png

2150 ms

content_background1.png

content_background1.png

1935 ms

login.png

login.png

2150 ms

hp_content_box_bg.jpg

hp_content_box_bg.jpg

2151 ms

my_dive_shop_icon.png

my_dive_shop_icon.png

2150 ms

hp_claim_your_listing_btn_nor.png

hp_claim_your_listing_btn_nor.png

2205 ms

hp_all_destination_btn_nor.png

hp_all_destination_btn_nor.png

2763 ms

footer-pattern.jpg

footer-pattern.jpg

226 ms

d

d

244 ms

d

d

228 ms

NaPDcZTIAOhVxoMyOr9n_E7ffHjDGItzZQ.woff

NaPDcZTIAOhVxoMyOr9n_E7ffHjDGItzZQ.woff

244 ms

NaPDcZTIAOhVxoMyOr9n_E7ffBzCGItzZQ.woff

NaPDcZTIAOhVxoMyOr9n_E7ffBzCGItzZQ.woff

263 ms

NaPecZTIAOhVxoMyOr9n_E7fdMPmCw.woff

NaPecZTIAOhVxoMyOr9n_E7fdMPmCw.woff

266 ms

all.js

all.js

241 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

187 ms

d

d

171 ms

d

d

134 ms

d

d

299 ms

d

d

151 ms

d

d

173 ms

d

d

171 ms

d

d

299 ms

d

d

172 ms

d

d

298 ms

d

d

193 ms

fallback

fallback

50 ms

collect

collect

36 ms

fallback__ltr.css

fallback__ltr.css

38 ms

js

js

96 ms

css

css

37 ms

all.js

all.js

18 ms

logo_48.png

logo_48.png

24 ms

badge1.png

badge1.png

128 ms

p.gif

p.gif

32 ms

4864205

4864205

93 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

5 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

6 ms

@common

@common

129 ms

Accessibility Review

diveadvisor.com accessibility score

56

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

diveadvisor.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

User Experience

Impact

Issue

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

diveadvisor.com SEO score

91

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

diveadvisor.com

Open Graph description is not detected on the main page of Dive Advisor. 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: