Tools & Wizards About Us
tusadive.com screenshot

Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

tusadive.com

Cairns Great Barrier Reef Tours | Snorkel & Diving - Tusa Reef Tour

Page Load Speed

8.4 sec in total

First Response

906 ms

Resources Loaded

7.3 sec

Page Rendered

214 ms

tusadive.com screenshot

About Website

Visit tusadive.com now to see the best up-to-date Tusa Dive content for United States and also check out these interesting facts you probably never knew about tusadive.com

Cairns Reef Tours - Discover the Great Barrier Reef with Tusa Reef Tours and on this premium all-inclusive reef trip. Dive and snorkel.

Visit tusadive.com

Key Findings

We analyzed Tusadive.com page load time and found that the first response time was 906 ms and then it took 7.5 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

tusadive.com performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value14.0 s

0/100

25%

SI (Speed Index)

Value14.5 s

1/100

10%

TBT (Total Blocking Time)

Value7,440 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.388

26/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

tusadive.com

906 ms

main.css

1016 ms

nav.css

1012 ms

jquery.min.js

29 ms

jquery.innerfade.js

1013 ms

Our browser made a total of 175 requests to load all elements on the main page. We found that 35% of them (61 requests) were addressed to the original Tusadive.com, 19% (34 requests) were made to Static.xx.fbcdn.net and 9% (16 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (4.9 sec) belongs to the original domain Tusadive.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 567.0 kB (24%)

Content Size

2.4 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tusadive.com main page is 2.4 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 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 35.5 kB

  • Original 47.7 kB
  • After minification 45.5 kB
  • After compression 12.2 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 35.5 kB or 74% of the original size.

Image Optimization

-4%

Potential reduce by 71.3 kB

  • Original 1.6 MB
  • After minification 1.5 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. Tusa Dive images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 185.5 kB

  • Original 420.2 kB
  • After minification 404.6 kB
  • After compression 234.8 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 185.5 kB or 44% of the original size.

CSS Optimization

-82%

Potential reduce by 274.7 kB

  • Original 333.7 kB
  • After minification 317.9 kB
  • After compression 59.0 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. Tusadive.com needs all CSS files to be minified and compressed as it can save up to 274.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 87 (52%)

Requests Now

168

After Optimization

81

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 168 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tusa Dive. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 60 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tusadive.com

tusadive.com

906 ms

main.css

main.css

1016 ms

nav.css

nav.css

1012 ms

jquery.min.js

jquery.min.js

29 ms

jquery.innerfade.js

jquery.innerfade.js

1013 ms

nav.js

nav.js

1042 ms

global.js

global.js

1042 ms

ioszoomfix.js

ioszoomfix.js

1042 ms

flaunt.js

flaunt.js

1247 ms

backstretch.js

backstretch.js

1247 ms

functions.js

functions.js

1249 ms

jquery.fitvids.js

jquery.fitvids.js

1251 ms

jquery.lightbox-0.5.js

jquery.lightbox-0.5.js

1310 ms

jquery.lightbox-0.5.css

jquery.lightbox-0.5.css

1310 ms

element.js

element.js

47 ms

counter.js

counter.js

21 ms

wejs

wejs

62 ms

wejs

wejs

62 ms

nav.svg

nav.svg

255 ms

l-tusadive.png

l-tusadive.png

258 ms

book-now-btn.jpg

book-now-btn.jpg

269 ms

g-top-bg-topright.png

g-top-bg-topright.png

254 ms

hfa37c_thumb.jpg

hfa37c_thumb.jpg

298 ms

2c1byw_thumb.jpg

2c1byw_thumb.jpg

832 ms

jvj3jy_thumb.jpg

jvj3jy_thumb.jpg

957 ms

8sdssy_thumb.jpg

8sdssy_thumb.jpg

956 ms

rb6ej3_thumb.jpg

rb6ej3_thumb.jpg

956 ms

rp2o7o_thumb.jpg

rp2o7o_thumb.jpg

970 ms

jj5dul_thumb.jpg

jj5dul_thumb.jpg

846 ms

i3rvge_thumb.jpg

i3rvge_thumb.jpg

1223 ms

hqkdxc_thumb.jpg

hqkdxc_thumb.jpg

1300 ms

3lunm1_thumb.jpg

3lunm1_thumb.jpg

1415 ms

gtvlzn_thumb.jpg

gtvlzn_thumb.jpg

1417 ms

kqphsh_thumb.jpg

kqphsh_thumb.jpg

1417 ms

rhow4t_thumb.jpg

rhow4t_thumb.jpg

1436 ms

kx6ygp_thumb.jpg

kx6ygp_thumb.jpg

1690 ms

l0czm9_thumb.jpg

l0czm9_thumb.jpg

1767 ms

1pknv7_thumb.jpg

1pknv7_thumb.jpg

4877 ms

rb1hp3_thumb.jpg

rb1hp3_thumb.jpg

4877 ms

v5w69v_thumb.jpg

v5w69v_thumb.jpg

4877 ms

q1h12t_thumb.jpg

q1h12t_thumb.jpg

4879 ms

g-dive-shop.jpg

g-dive-shop.jpg

4877 ms

g-tusamap.jpg

g-tusamap.jpg

4877 ms

small-eco-advanced.jpg

small-eco-advanced.jpg

4878 ms

l-climate-action-innovator.jpg

l-climate-action-innovator.jpg

4878 ms

snorkel-front.jpg

snorkel-front.jpg

4880 ms

intro-dive-front.jpg

intro-dive-front.jpg

4879 ms

certified-diving-front.jpg

certified-diving-front.jpg

4881 ms

footer-tusa.jpg

footer-tusa.jpg

4878 ms

spirit-footer-logo.jpg

spirit-footer-logo.jpg

4880 ms

theedge-logo.jpg

theedge-logo.jpg

4879 ms

soc-logo.jpg

soc-logo.jpg

4874 ms

CoE2015_WidgetAsset-14348-2.png

CoE2015_WidgetAsset-14348-2.png

74 ms

plusone.js

plusone.js

102 ms

widgets.js

widgets.js

46 ms

like.php

like.php

105 ms

g-top-bg-topleft.png

g-top-bg-topleft.png

4835 ms

g-top-bg-bottom-left.png

g-top-bg-bottom-left.png

4834 ms

WidgetEmbed-selfserveprop

WidgetEmbed-selfserveprop

108 ms

likebox.php

likebox.php

275 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

13 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

26 ms

fastbutton

fastbutton

107 ms

qeKvIRsJabD.js

qeKvIRsJabD.js

194 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

218 ms

postmessageRelay

postmessageRelay

87 ms

cdswidSSP-v2414594452a.css%20%27%29%3B

cdswidSSP-v2414594452a.css%20%27%29%3B

1 ms

cdswidgets_m-c-v2102084671a.js

cdswidgets_m-c-v2102084671a.js

80 ms

cdswidSSP-v2414594452a.css

cdswidSSP-v2414594452a.css

84 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

34 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

34 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

36 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

36 ms

rpc:shindig_random.js

rpc:shindig_random.js

47 ms

g-top-bg-bottom-right.png

g-top-bg-bottom-right.png

4638 ms

WidgetEmbed-certificateOfExcellence

WidgetEmbed-certificateOfExcellence

20 ms

main-bg.jpg

main-bg.jpg

4636 ms

quick-links-head.jpg

quick-links-head.jpg

4636 ms

quick-links-point.jpg

quick-links-point.jpg

4624 ms

cdswidCOE-v21462574883a.css%20%27%29%3B

cdswidCOE-v21462574883a.css%20%27%29%3B

4 ms

cdswidFRR-v23865805545a.css%20%27%29%3B

cdswidFRR-v23865805545a.css%20%27%29%3B

5 ms

cdswidgets_min-c-v23892882724a.js

cdswidgets_min-c-v23892882724a.js

19 ms

cdswidCOE-v21462574883a.css

cdswidCOE-v21462574883a.css

23 ms

cdswidFRR-v23865805545a.css

cdswidFRR-v23865805545a.css

24 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

11 ms

front-page-box-heading-bg.jpg

front-page-box-heading-bg.jpg

4586 ms

2-WBwvFAj9Q

2-WBwvFAj9Q

82 ms

translateelement.css

translateelement.css

57 ms

main.js

main.js

79 ms

410ucuAGgaJ.css

410ucuAGgaJ.css

24 ms

tSbl8xBI27R.css

tSbl8xBI27R.css

54 ms

Czh0gDTFcBt.css

Czh0gDTFcBt.css

106 ms

Ek6lpayKeeB.css

Ek6lpayKeeB.css

128 ms

EoarYgA68t4.css

EoarYgA68t4.css

122 ms

5VZ003vMUZg.css

5VZ003vMUZg.css

132 ms

dAhyk4_vXRy.css

dAhyk4_vXRy.css

106 ms

q68gy-v_YMF.js

q68gy-v_YMF.js

107 ms

FJmpeSpHpjS.js

FJmpeSpHpjS.js

197 ms

0wM5s1Khldu.js

0wM5s1Khldu.js

120 ms

1bNoFZUdlYZ.js

1bNoFZUdlYZ.js

130 ms

njO1TPvGzoR.js

njO1TPvGzoR.js

195 ms

1QuX41zDRrx.js

1QuX41zDRrx.js

195 ms

Oagsvfb4VWi.js

Oagsvfb4VWi.js

194 ms

LTv6ZK-5zxz.js

LTv6ZK-5zxz.js

254 ms

1FCa-btixu2.js

1FCa-btixu2.js

209 ms

IjqSyiwKeaX.js

IjqSyiwKeaX.js

211 ms

rBxSIHk4zIe.js

rBxSIHk4zIe.js

234 ms

n6VgtouijQL.js

n6VgtouijQL.js

210 ms

7BE0CZr3HTs.js

7BE0CZr3HTs.js

210 ms

pQrUxxo5oQp.js

pQrUxxo5oQp.js

239 ms

_UYztdBNTjs.js

_UYztdBNTjs.js

239 ms

-7JBD_ybv4q.js

-7JBD_ybv4q.js

320 ms

Kt4tkgSRvHH.js

Kt4tkgSRvHH.js

237 ms

t.php

t.php

86 ms

ga.js

ga.js

18 ms

element_main.js

element_main.js

101 ms

loader0.js

loader0.js

134 ms

__utm.gif

__utm.gif

61 ms

button.0308b81ff1714e446f674b5b9793f2cd.js

button.0308b81ff1714e446f674b5b9793f2cd.js

113 ms

2-WBwvFAj9Q

2-WBwvFAj9Q

85 ms

translate_24dp.png

translate_24dp.png

122 ms

l

l

116 ms

cleardot.gif

cleardot.gif

262 ms

1468-208-10-7145.js

1468-208-10-7145.js

148 ms

www-embed-player-vflfNyN_r.css

www-embed-player-vflfNyN_r.css

210 ms

www-embed-player.js

www-embed-player.js

220 ms

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

195 ms

te_ctrl3.gif

te_ctrl3.gif

159 ms

12376617_1044004255622670_2773985039431086044_n.jpg

12376617_1044004255622670_2773985039431086044_n.jpg

184 ms

421038_364156800274089_1520085059_n.jpg

421038_364156800274089_1520085059_n.jpg

181 ms

12036902_10153623574126800_2439704160519185310_n.jpg

12036902_10153623574126800_2439704160519185310_n.jpg

199 ms

1927745_10153967933231168_4624826778000505883_n.jpg

1927745_10153967933231168_4624826778000505883_n.jpg

219 ms

208812_180177065363710_5578673_n.jpg

208812_180177065363710_5578673_n.jpg

216 ms

1148926_10152175419881773_28833711_n.jpg

1148926_10152175419881773_28833711_n.jpg

217 ms

996651_657868480913528_1580136785_n.jpg

996651_657868480913528_1580136785_n.jpg

219 ms

11755777_10152877640190563_3080076198825708282_n.jpg

11755777_10152877640190563_3080076198825708282_n.jpg

220 ms

12672419_960135420749733_2052381060_n.jpg

12672419_960135420749733_2052381060_n.jpg

224 ms

12821371_958200987609843_3255839349898313829_n.jpg

12821371_958200987609843_3255839349898313829_n.jpg

232 ms

12496657_953395721423703_1149009385_n.jpg

12496657_953395721423703_1149009385_n.jpg

235 ms

12794341_952746571488618_2882492582094293746_n.jpg

12794341_952746571488618_2882492582094293746_n.jpg

237 ms

12814047_952209958208946_4948787793001533399_n.jpg

12814047_952209958208946_4948787793001533399_n.jpg

240 ms

12718255_952209954875613_1217023227533727874_n.jpg

12718255_952209954875613_1217023227533727874_n.jpg

240 ms

12821509_952209951542280_9001746420253768218_n.jpg

12821509_952209951542280_9001746420253768218_n.jpg

242 ms

10404387_952210021542273_8658055327712435618_n.jpg

10404387_952210021542273_8658055327712435618_n.jpg

247 ms

wL6VQj7Ab77.png

wL6VQj7Ab77.png

113 ms

s7jcwEQH7Sx.png

s7jcwEQH7Sx.png

113 ms

l5aPruN9xMM.png

l5aPruN9xMM.png

114 ms

QDwYpIaRyfG.png

QDwYpIaRyfG.png

114 ms

K00K-UgnsKu.png

K00K-UgnsKu.png

115 ms

b8XhdWI9eAN.js

b8XhdWI9eAN.js

114 ms

K_65vAc89SX.png

K_65vAc89SX.png

55 ms

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

20 ms

ad_status.js

ad_status.js

61 ms

c

c

97 ms

footer-top.jpg

footer-top.jpg

4049 ms

footer-btm.jpg

footer-btm.jpg

4047 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

26 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

41 ms

jot

jot

87 ms

g-new-header-1.jpg

g-new-header-1.jpg

3940 ms

g-new-header-2.jpg

g-new-header-2.jpg

3938 ms

g-new-header-3.jpg

g-new-header-3.jpg

3938 ms

I6-MnjEovm5.js

I6-MnjEovm5.js

20 ms

g-new-header-4.jpg

g-new-header-4.jpg

3925 ms

g-new-header-5.jpg

g-new-header-5.jpg

3671 ms

application2.js

application2.js

102 ms

storage.html

storage.html

115 ms

storage.js

storage.js

30 ms

150_logo-11900-2.png

150_logo-11900-2.png

58 ms

s4.5.gif

s4.5.gif

9 ms

CoE2015_WidgetAsset-14348-2.png

CoE2015_WidgetAsset-14348-2.png

57 ms

BackgroundRuleBlack.gif

BackgroundRuleBlack.gif

3 ms

visits

visits

186 ms

2a2bcf3b8899875acc82b73a6fad82c2.css

2a2bcf3b8899875acc82b73a6fad82c2.css

27 ms

buttons-light.png

buttons-light.png

28 ms

Accessibility Review

tusadive.com accessibility score

80

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

ARIA input fields do not have accessible names

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

tusadive.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

tusadive.com SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Tusadive.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 Tusadive.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

tusadive.com

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