Tools & Wizards About Us
shearwater.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

shearwater.com

Shearwater Research – Shearwater Research Inc.

Page Load Speed

3.2 sec in total

First Response

286 ms

Resources Loaded

2.1 sec

Page Rendered

789 ms

shearwater.com screenshot

About Website

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

Shearwater Research designs and manufactures dive computers for all types of scuba divers demanding more from themselves and their diving experience. Whether you're an air, nitrox, multi gas trimi...

Visit shearwater.com

Key Findings

We analyzed Shearwater.com page load time and found that the first response time was 286 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

shearwater.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value1,470 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value18.0 s

3/100

10%

Network Requests Diagram

shearwater.com

286 ms

app.css

62 ms

predictive-search.js

47 ms

app.js

114 ms

preloads.js

49 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 74% of them (29 requests) were addressed to the original Shearwater.com, 18% (7 requests) were made to Cdn.shopify.com and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Shearwater.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 225.1 kB (2%)

Content Size

10.2 MB

After Optimization

10.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shearwater.com main page is 10.2 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. 60% of websites need less resources to load. Images take 8.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 100.0 kB

  • Original 119.7 kB
  • After minification 101.0 kB
  • After compression 19.7 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 18.7 kB, which is 16% 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 100.0 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 115.5 kB

  • Original 8.2 MB
  • After minification 8.1 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. Shearwater images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 2.0 kB

  • Original 416.9 kB
  • After minification 416.9 kB
  • After compression 414.9 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

-1%

Potential reduce by 7.7 kB

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 1.5 MB

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. Shearwater.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (51%)

Requests Now

35

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shearwater. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

shearwater.com

shearwater.com

286 ms

app.css

app.css

62 ms

predictive-search.js

predictive-search.js

47 ms

app.js

app.js

114 ms

preloads.js

preloads.js

49 ms

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

35 ms

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

40 ms

langify-lib.js

langify-lib.js

45 ms

shopify-perf-kit-unstable.min.js

shopify-perf-kit-unstable.min.js

55 ms

ldt_cp_embed_index.css

ldt_cp_embed_index.css

41 ms

ldt_cp_embed_index.js

ldt_cp_embed_index.js

103 ms

gtm.js

gtm.js

89 ms

trekkie.storefront.72278931d43be9cf54de64f928f82f2eef1fa047.min.js

trekkie.storefront.72278931d43be9cf54de64f928f82f2eef1fa047.min.js

55 ms

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

53 ms

shopify-boomerang-1.0.0.min.js

shopify-boomerang-1.0.0.min.js

52 ms

word_logo_white_high_500x50_fedd45a1-dbf6-4a0c-a25e-eb4a12ca668a.png

word_logo_white_high_500x50_fedd45a1-dbf6-4a0c-a25e-eb4a12ca668a.png

49 ms

bonaire3-adj.png

bonaire3-adj.png

220 ms

Peregrine_TX_Left_ISO-NX32-Descent-26M-Black-Strap-EN.png

Peregrine_TX_Left_ISO-NX32-Descent-26M-Black-Strap-EN.png

69 ms

PeregrineTX-Air-0M-GTR-T1-Black-Strap-EN.png

PeregrineTX-Air-0M-GTR-T1-Black-Strap-EN.png

51 ms

Shearwater-website-icons2_brightness.svg

Shearwater-website-icons2_brightness.svg

52 ms

Shearwater-website-icons_transmitter2.svg

Shearwater-website-icons_transmitter2.svg

45 ms

Shearwater-website-icons2_compass.svg

Shearwater-website-icons2_compass.svg

78 ms

Shearwater-website-icons_battery.svg

Shearwater-website-icons_battery.svg

76 ms

AI-Product-387x277-Features-2-2.png

AI-Product-387x277-Features-2-2.png

79 ms

Tern-TX-Front-Air-0M-Surface-Black-Standard.png

Tern-TX-Front-Air-0M-Surface-Black-Standard.png

96 ms

Shearwater-website-icons_watch2_1.svg

Shearwater-website-icons_watch2_1.svg

83 ms

Screen_Shot_2022-04-27_at_10.54.52_AM.png

Screen_Shot_2022-04-27_at_10.54.52_AM.png

1589 ms

community.png

community.png

128 ms

Service_Centers_900x630_8f030f5a-9754-46bc-abf9-a32662f2d10c.png

Service_Centers_900x630_8f030f5a-9754-46bc-abf9-a32662f2d10c.png

206 ms

wordlogo_white_full_1000x150_e8922e1f-9366-4c5d-91dc-0f0b7a017db0.png

wordlogo_white_full_1000x150_e8922e1f-9366-4c5d-91dc-0f0b7a017db0.png

135 ms

Gotham-Book_Web.woff

Gotham-Book_Web.woff

204 ms

Gotham-Medium_Web.woff

Gotham-Medium_Web.woff

207 ms

Gotham-Bold_Web.woff

Gotham-Bold_Web.woff

206 ms

langify-flags.css

langify-flags.css

580 ms

langify-flags.css

langify-flags.css

599 ms

langify-lib.css

langify-lib.css

26 ms

langify-lib.css

langify-lib.css

16 ms

script.js

script.js

86 ms

4b80fd70e6448cfec0da4a0da.js

4b80fd70e6448cfec0da4a0da.js

46 ms

Accessibility Review

shearwater.com accessibility score

91

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 IDs are not unique

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

shearwater.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

shearwater.com SEO score

90

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

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 Shearwater.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 Shearwater.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

shearwater.com

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