Report Summary

  • 0

    Performance

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 0

    Best Practices

  • 86

    SEO

    Google-friendlier than
    60% of websites

scuba.is

Adventures.com | Tours in Iceland, Canada & Scandinavia

Page Load Speed

727 ms in total

First Response

328 ms

Resources Loaded

330 ms

Page Rendered

69 ms

scuba.is screenshot

About Website

Welcome to scuba.is homepage info - get ready to check Scuba best content right away, or after learning these important things about scuba.is

Adventure tours in Iceland, Canada, Scandinavia & Baltics. Browse through our selection of guided day tours, multi-day packages, self-drive & other tours.

Visit scuba.is

Key Findings

We analyzed Scuba.is page load time and found that the first response time was 328 ms and then it took 399 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.is 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)

Value0.319

36/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

scuba.is

328 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Scuba.is and no external sources were called. The less responsive or slowest element that took the longest time to load (328 ms) belongs to the original domain Scuba.is.

Page Optimization Overview & Recommendations

Page size can be reduced by 36 B (0%)

Content Size

7.5 kB

After Optimization

7.5 kB

In fact, the total size of Scuba.is main page is 7.5 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 5.2 kB which makes up the majority of the site volume.

HTML Optimization

-13%

Potential reduce by 23 B

  • Original 177 B
  • After minification 177 B
  • After compression 154 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 23 B or 13% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 5.2 kB
  • After minification 5.2 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 images are well optimized though.

CSS Optimization

-1%

Potential reduce by 13 B

  • Original 2.2 kB
  • After minification 2.2 kB
  • After compression 2.2 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. Scuba.is has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

scuba.is accessibility score

88

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.

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

SEO Factors

scuba.is SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scuba.is 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.is main page’s claimed encoding is . 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

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