Tools & Wizards About Us
scuba-do-zanzibar.com screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

scuba-do-zanzibar.com

Scuba Do Zanzibar | Best Zanzibar Diving, Snorkelling & PADI Courses

Page Load Speed

1.8 sec in total

First Response

268 ms

Resources Loaded

1.3 sec

Page Rendered

188 ms

scuba-do-zanzibar.com screenshot

About Website

Visit scuba-do-zanzibar.com now to see the best up-to-date Scuba Do Zanzibar content for Netherlands and also check out these interesting facts you probably never knew about scuba-do-zanzibar.com

Welcome to Scuba Do Zanzibar! We offer the best of scuba diving Zanzibar as well as snorkelling tours, PADI scuba diving courses and yacht sailing. We are eco-friendly and passionate about conservatio...

Visit scuba-do-zanzibar.com

Key Findings

We analyzed Scuba-do-zanzibar.com page load time and found that the first response time was 268 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

scuba-do-zanzibar.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value4,920 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.47

18/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

scuba-do-zanzibar.com

268 ms

ScubaDo.css

68 ms

scubado-animated-gif-newLOGO3.gif

654 ms

dullah2.jpg

207 ms

EmailIcon.jpg

146 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that all of those requests were addressed to Scuba-do-zanzibar.com and no external sources were called. The less responsive or slowest element that took the longest time to load (887 ms) belongs to the original domain Scuba-do-zanzibar.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.5 kB (69%)

Content Size

8.0 kB

After Optimization

2.5 kB

  • HTML

In fact, the total size of Scuba-do-zanzibar.com main page is 8.0 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. HTML takes 8.0 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 5.5 kB

  • Original 8.0 kB
  • After minification 6.5 kB
  • After compression 2.5 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. This page needs HTML code to be minified as it can gain 1.4 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 5.5 kB or 69% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

18

After Optimization

18

  • Images
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scuba Do Zanzibar. According to our analytics all requests are already optimized.

Network Requests Diagram

scuba-do-zanzibar.com

scuba-do-zanzibar.com

268 ms

ScubaDo.css

ScubaDo.css

68 ms

scubado-animated-gif-newLOGO3.gif

scubado-animated-gif-newLOGO3.gif

654 ms

dullah2.jpg

dullah2.jpg

207 ms

EmailIcon.jpg

EmailIcon.jpg

146 ms

PhoneIcon.jpg

PhoneIcon.jpg

141 ms

BookOnlineIcon.jpg

BookOnlineIcon.jpg

147 ms

FacebookIcon.jpg

FacebookIcon.jpg

146 ms

websitebkgd9.jpg

websitebkgd9.jpg

887 ms

darkGrad.jpg

darkGrad.jpg

146 ms

PADIeLearningIcon.jpg

PADIeLearningIcon.jpg

146 ms

YouTubeIcon.jpg

YouTubeIcon.jpg

148 ms

FeedbackIcon.jpg

FeedbackIcon.jpg

206 ms

mainLinks_r2_c1_f2.jpg

mainLinks_r2_c1_f2.jpg

80 ms

mainLinks_r2_c1_f4.jpg

mainLinks_r2_c1_f4.jpg

75 ms

mainLinks_r2_c1_f3.jpg

mainLinks_r2_c1_f3.jpg

75 ms

mainLinks_r2_c6_f2.jpg

mainLinks_r2_c6_f2.jpg

69 ms

mainLinks_r2_c6_f4.jpg

mainLinks_r2_c6_f4.jpg

72 ms

mainLinks_r2_c6_f3.jpg

mainLinks_r2_c6_f3.jpg

71 ms

Accessibility Review

scuba-do-zanzibar.com accessibility score

93

Accessibility Issues

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

Links do not have a discernible name

Best Practices

scuba-do-zanzibar.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

SEO Factors

scuba-do-zanzibar.com SEO score

98

Search Engine Optimization Advices

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scuba-do-zanzibar.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 Scuba-do-zanzibar.com 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-do-zanzibar.com

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