Tools & Wizards About Us
robo-tank.ca screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

robo-tank.ca

Reef-pi DIY Aquarium Controller Hardware Hat, Automate your Reef Tank

Page Load Speed

2.1 sec in total

First Response

118 ms

Resources Loaded

1.6 sec

Page Rendered

380 ms

robo-tank.ca screenshot

About Website

Visit robo-tank.ca now to see the best up-to-date Robo Tank content for United States and also check out these interesting facts you probably never knew about robo-tank.ca

The Robo-Tank DIY aquarium controller is a high quality reef-pi hardware solution. Fully customizable aquarium controller for your saltwater, freshwater or reef tank. DIY or Plug and Play kits availab...

Visit robo-tank.ca

Key Findings

We analyzed Robo-tank.ca page load time and found that the first response time was 118 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

robo-tank.ca performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value960 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.228

55/100

15%

TTI (Time to Interactive)

Value17.9 s

4/100

10%

Network Requests Diagram

robo-tank.ca

118 ms

www.robo-tank.ca

89 ms

www.robo-tank.ca

358 ms

paypal.css

40 ms

swiper.min.css

81 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 76% of them (55 requests) were addressed to the original Robo-tank.ca, 7% (5 requests) were made to Fonts.gstatic.com and 7% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (699 ms) belongs to the original domain Robo-tank.ca.

Page Optimization Overview & Recommendations

Page size can be reduced by 674.0 kB (27%)

Content Size

2.5 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Robo-tank.ca main page is 2.5 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

-84%

Potential reduce by 77.8 kB

  • Original 92.1 kB
  • After minification 86.6 kB
  • After compression 14.3 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 77.8 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 115.1 kB

  • Original 1.6 MB
  • After minification 1.4 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. Robo Tank images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 472.2 kB

  • Original 731.7 kB
  • After minification 716.0 kB
  • After compression 259.5 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 472.2 kB or 65% of the original size.

CSS Optimization

-9%

Potential reduce by 8.9 kB

  • Original 103.0 kB
  • After minification 103.0 kB
  • After compression 94.1 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. Robo-tank.ca has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (32%)

Requests Now

63

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Robo Tank. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

robo-tank.ca

robo-tank.ca

118 ms

www.robo-tank.ca

www.robo-tank.ca

89 ms

www.robo-tank.ca

www.robo-tank.ca

358 ms

paypal.css

paypal.css

40 ms

swiper.min.css

swiper.min.css

81 ms

opencart.css

opencart.css

111 ms

jquery-2.1.1.min.js

jquery-2.1.1.min.js

175 ms

bootstrap.min.css

bootstrap.min.css

167 ms

bootstrap.min.js

bootstrap.min.js

195 ms

js

js

61 ms

jquery.cluetip.css

jquery.cluetip.css

149 ms

jquery.cluetip.js

jquery.cluetip.js

189 ms

font-awesome.min.css

font-awesome.min.css

151 ms

css

css

31 ms

stylesheet.css

stylesheet.css

188 ms

paypal.js

paypal.js

235 ms

swiper.jquery.min.js

swiper.jquery.min.js

259 ms

common.js

common.js

235 ms

piwik.js

piwik.js

88 ms

logo2.jpg

logo2.jpg

100 ms

CAM02933-optimized-800x480.jpg

CAM02933-optimized-800x480.jpg

100 ms

CAM02841-optimized-800x480.jpg

CAM02841-optimized-800x480.jpg

68 ms

CAM02835-optimized-800x480.jpg

CAM02835-optimized-800x480.jpg

100 ms

CAM03001-optimized-800x480.jpg

CAM03001-optimized-800x480.jpg

102 ms

CAM02868-optimized-800x480.jpg

CAM02868-optimized-800x480.jpg

138 ms

robo-tank-120v-240v-ac-power-bar-fully-assembled-a15693-800x480.jpg

robo-tank-120v-240v-ac-power-bar-fully-assembled-a15693-800x480.jpg

118 ms

Uni1-800x480.jpg

Uni1-800x480.jpg

163 ms

AC_blue-800x480.jpg

AC_blue-800x480.jpg

146 ms

robo-tank-120v-240v-ac-power-bar-fully-assembled-241-800x480.jpg

robo-tank-120v-240v-ac-power-bar-fully-assembled-241-800x480.jpg

147 ms

splash.webp

splash.webp

171 ms

main_controller.png

main_controller.png

190 ms

equipment_extension.png

equipment_extension.png

213 ms

sensor_extension.png

sensor_extension.png

353 ms

power_bar.png

power_bar.png

213 ms

equipment_sensors_thumb-jpg.webp

equipment_sensors_thumb-jpg.webp

449 ms

reviews-jpg.webp

reviews-jpg.webp

353 ms

dashboard-900x800.jpg

dashboard-900x800.jpg

451 ms

equipment-900x800.jpg

equipment-900x800.jpg

450 ms

timers-900x800.jpg

timers-900x800.jpg

449 ms

lights-900x800.jpg

lights-900x800.jpg

452 ms

temperature-900x800.jpg

temperature-900x800.jpg

449 ms

ato-900x800.jpg

ato-900x800.jpg

453 ms

pH-900x800.jpg

pH-900x800.jpg

454 ms

dosing%20pump-900x800.jpg

dosing%20pump-900x800.jpg

453 ms

macros-900x800.jpg

macros-900x800.jpg

454 ms

journal-900x800.jpg

journal-900x800.jpg

454 ms

configuration-900x800.jpg

configuration-900x800.jpg

456 ms

robo-tank-isolated-ph-circuit-for-reef-pi-182-200x200.jpg

robo-tank-isolated-ph-circuit-for-reef-pi-182-200x200.jpg

456 ms

CAM028012-optimized-200x200.jpg

CAM028012-optimized-200x200.jpg

455 ms

CAM02904-optimized-200x200.jpg

CAM02904-optimized-200x200.jpg

457 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

24 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

24 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

25 ms

bitcoin_logo.png

bitcoin_logo.png

445 ms

PayPal-logo.png

PayPal-logo.png

443 ms

256bitssl.png

256bitssl.png

480 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

450 ms

xNLKW3E5uVU

xNLKW3E5uVU

104 ms

credibility_pci-logo.png

credibility_pci-logo.png

430 ms

piwik.php

piwik.php

699 ms

wait.gif

wait.gif

398 ms

www-player.css

www-player.css

6 ms

www-embed-player.js

www-embed-player.js

23 ms

base.js

base.js

47 ms

ad_status.js

ad_status.js

149 ms

L24uOtqvNfFRO5TOxiIOVgM50wph5QKjT82e9pNVgC0.js

L24uOtqvNfFRO5TOxiIOVgM50wph5QKjT82e9pNVgC0.js

130 ms

embed.js

embed.js

61 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

11 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

16 ms

id

id

79 ms

Create

Create

72 ms

GenerateIT

GenerateIT

15 ms

Accessibility Review

robo-tank.ca accessibility score

66

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

robo-tank.ca 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

Page has valid source maps

SEO Factors

robo-tank.ca SEO score

88

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Robo-tank.ca 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 Robo-tank.ca 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

robo-tank.ca

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