Tools & Wizards About Us
canarysense.com screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

canarysense.com

BW Technologies Portable Gas Monitors and Detectors - Canarysense.com

Page Load Speed

2.1 sec in total

First Response

72 ms

Resources Loaded

1.6 sec

Page Rendered

473 ms

canarysense.com screenshot

About Website

Welcome to canarysense.com homepage info - get ready to check Canarysense best content right away, or after learning these important things about canarysense.com

Portable gas detectors and monitors for personal safety. Major brands like BW Technologies, GMI, GasClip and Interscan

Visit canarysense.com

Key Findings

We analyzed Canarysense.com page load time and found that the first response time was 72 ms and then it took 2.1 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

canarysense.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.433

22/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

Network Requests Diagram

canarysense.com

72 ms

www.canarysense.com

277 ms

css

43 ms

A.cache_css,,_biscuit.pressed.v1699539593.css+css,,_default.css+css,,_revamped.css,Mcc.s0xIMCNV6B.css.pagespeed.cf.n6oRzsEkcm.css

61 ms

A.CanarySense.css.pagespeed.cf.LvvQL3374x.css

94 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 75% of them (47 requests) were addressed to the original Canarysense.com, 5% (3 requests) were made to Googletagmanager.com and 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Shopperapproved.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 120.9 kB (18%)

Content Size

657.9 kB

After Optimization

537.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Canarysense.com main page is 657.9 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. 35% of websites need less resources to load. Images take 363.3 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 70.2 kB

  • Original 83.6 kB
  • After minification 74.8 kB
  • After compression 13.3 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. This page needs HTML code to be minified as it can gain 8.8 kB, which is 11% 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 70.2 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 1.3 kB

  • Original 363.3 kB
  • After minification 362.1 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. Canarysense images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 144 B

  • Original 151.2 kB
  • After minification 151.2 kB
  • After compression 151.0 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

-82%

Potential reduce by 49.2 kB

  • Original 59.9 kB
  • After minification 59.7 kB
  • After compression 10.7 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. Canarysense.com needs all CSS files to be minified and compressed as it can save up to 49.2 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (34%)

Requests Now

58

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Canarysense. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

canarysense.com

canarysense.com

72 ms

www.canarysense.com

www.canarysense.com

277 ms

css

css

43 ms

A.cache_css,,_biscuit.pressed.v1699539593.css+css,,_default.css+css,,_revamped.css,Mcc.s0xIMCNV6B.css.pagespeed.cf.n6oRzsEkcm.css

A.cache_css,,_biscuit.pressed.v1699539593.css+css,,_default.css+css,,_revamped.css,Mcc.s0xIMCNV6B.css.pagespeed.cf.n6oRzsEkcm.css

61 ms

A.CanarySense.css.pagespeed.cf.LvvQL3374x.css

A.CanarySense.css.pagespeed.cf.LvvQL3374x.css

94 ms

biscuit.pressed.v1721995910.js.pagespeed.jm.Q5m5IrnCvD.js

biscuit.pressed.v1721995910.js.pagespeed.jm.Q5m5IrnCvD.js

154 ms

jquery-ui.css

jquery-ui.css

29 ms

js.pressed.v1721736789.js.pagespeed.jm.Uh8F7HVIv0.js

js.pressed.v1721736789.js.pagespeed.jm.Uh8F7HVIv0.js

96 ms

addtocart-ajax.js.pagespeed.jm.TLnU6xkh0v.js

addtocart-ajax.js.pagespeed.jm.TLnU6xkh0v.js

92 ms

js

js

82 ms

js

js

119 ms

conversion.js

conversion.js

50 ms

css

css

16 ms

118 ms

bat.js

bat.js

122 ms

gtm.js

gtm.js

100 ms

white-header-basic.gif

white-header-basic.gif

1016 ms

certificate.js

certificate.js

135 ms

CountryCode

CountryCode

483 ms

svg-sprite-direct.svg

svg-sprite-direct.svg

146 ms

xwww.canarysense.com.png.pagespeed.ic.6PvvF3Ofe8.png

xwww.canarysense.com.png.pagespeed.ic.6PvvF3Ofe8.png

106 ms

xhome-icon-dark-grey.png.pagespeed.ic.oshPgPNnPg.png

xhome-icon-dark-grey.png.pagespeed.ic.oshPgPNnPg.png

100 ms

xchat-live.png.pagespeed.ic.vY-gGlnhZJ.png

xchat-live.png.pagespeed.ic.vY-gGlnhZJ.png

133 ms

xhoneywell-bw-solo-hero.jpg.pagespeed.ic.rYFG2KMYdq.jpg

xhoneywell-bw-solo-hero.jpg.pagespeed.ic.rYFG2KMYdq.jpg

179 ms

xBW-Expert-Shauna-PromoGraphic.jpg.pagespeed.ic.Is238mT8GP.jpg

xBW-Expert-Shauna-PromoGraphic.jpg.pagespeed.ic.Is238mT8GP.jpg

161 ms

xbw_technologies_gasalertclip_extreme.png.pagespeed.ic.HnA93LS2QW.png

xbw_technologies_gasalertclip_extreme.png.pagespeed.ic.HnA93LS2QW.png

161 ms

xhoneywell-bw-solo.png.pagespeed.ic.dyKA0_30XU.png

xhoneywell-bw-solo.png.pagespeed.ic.dyKA0_30XU.png

176 ms

xbw_technologies_gasalertmicroclip_xl.png.pagespeed.ic.qw0IWrrqQL.png

xbw_technologies_gasalertmicroclip_xl.png.pagespeed.ic.qw0IWrrqQL.png

191 ms

xbw_technologies_gasalertmax_xtii.png.pagespeed.ic._NFXZB7jN1.png

xbw_technologies_gasalertmax_xtii.png.pagespeed.ic._NFXZB7jN1.png

196 ms

xbw_technologies_gasalertquattro.png.pagespeed.ic.0UrHkumXHM.png

xbw_technologies_gasalertquattro.png.pagespeed.ic.0UrHkumXHM.png

205 ms

xbw_technologies_gasalertmicro_5.png.pagespeed.ic.jkgPO5DqOF.png

xbw_technologies_gasalertmicro_5.png.pagespeed.ic.jkgPO5DqOF.png

222 ms

xbw_technologies_gasalertmicroclip_x3.png.pagespeed.ic.YlOjlENPQS.png

xbw_technologies_gasalertmicroclip_x3.png.pagespeed.ic.YlOjlENPQS.png

227 ms

xbw_technologies_gasclip4.png.pagespeed.ic.1Y7koj9h8O.png

xbw_technologies_gasclip4.png.pagespeed.ic.1Y7koj9h8O.png

237 ms

xhoneywell-bw-ultra.png.pagespeed.ic.WrWmFA_muY.png

xhoneywell-bw-ultra.png.pagespeed.ic.WrWmFA_muY.png

239 ms

xbw_technologies_microdock2.png.pagespeed.ic.65xADMzuQ3.png

xbw_technologies_microdock2.png.pagespeed.ic.65xADMzuQ3.png

250 ms

xbw_technologies_confined_space_kit.png.pagespeed.ic.CpnfsGAbra.png

xbw_technologies_confined_space_kit.png.pagespeed.ic.CpnfsGAbra.png

266 ms

xhoneywell-bw-icon.png.pagespeed.ic.e8ZFV_GBG8.png

xhoneywell-bw-icon.png.pagespeed.ic.e8ZFV_GBG8.png

276 ms

xbw_technologies_replacement_sensors.png.pagespeed.ic.eJDLMhXIC5.png

xbw_technologies_replacement_sensors.png.pagespeed.ic.eJDLMhXIC5.png

285 ms

xbw_technologies_flow_regulator.png.pagespeed.ic.5CYZPrjQfH.png

xbw_technologies_flow_regulator.png.pagespeed.ic.5CYZPrjQfH.png

287 ms

xbw_technologies_bump_test_gas.png.pagespeed.ic.-yC2yBRAkT.png

xbw_technologies_bump_test_gas.png.pagespeed.ic.-yC2yBRAkT.png

296 ms

xbw_technologies_calibration_gas.png.pagespeed.ic.atUQd2nZny.png

xbw_technologies_calibration_gas.png.pagespeed.ic.atUQd2nZny.png

313 ms

xbw_technologies_accessories.png.pagespeed.ic.H-tbk4AZvv.png

xbw_technologies_accessories.png.pagespeed.ic.H-tbk4AZvv.png

323 ms

xbw_technologies_dock_stations.png.pagespeed.ic.mEZVjqdSq1.png

xbw_technologies_dock_stations.png.pagespeed.ic.mEZVjqdSq1.png

328 ms

xfind-the-right-sensor.png.pagespeed.ic.hSRLmYFsop.png

xfind-the-right-sensor.png.pagespeed.ic.hSRLmYFsop.png

330 ms

xbw_technologies_accessories-mobile.png.pagespeed.ic.XbXQR7LFMI.png

xbw_technologies_accessories-mobile.png.pagespeed.ic.XbXQR7LFMI.png

339 ms

xbw_technologies_bump_test_gas-mobile.jpg.pagespeed.ic.A7hWGL28xZ.jpg

xbw_technologies_bump_test_gas-mobile.jpg.pagespeed.ic.A7hWGL28xZ.jpg

357 ms

xbw_technologies_calibration_gas-mobile.jpg.pagespeed.ic.r_vTeCqusu.jpg

xbw_technologies_calibration_gas-mobile.jpg.pagespeed.ic.r_vTeCqusu.jpg

371 ms

xbw_technologies_dock_stations-mobile.jpg.pagespeed.ic.Hpn2royC8C.jpg

xbw_technologies_dock_stations-mobile.jpg.pagespeed.ic.Hpn2royC8C.jpg

372 ms

xFreeShipping-VM.png.pagespeed.ic.OFbvt7Lp52.png

xFreeShipping-VM.png.pagespeed.ic.OFbvt7Lp52.png

386 ms

xChat-live-mobile-1.png.pagespeed.ic.Lxhd6vb8OB.png

xChat-live-mobile-1.png.pagespeed.ic.Lxhd6vb8OB.png

384 ms

xfacebook-w.png.pagespeed.ic.VVDaOfHDfy.png

xfacebook-w.png.pagespeed.ic.VVDaOfHDfy.png

403 ms

xyoutube-w.png.pagespeed.ic.oswDm72ojB.png

xyoutube-w.png.pagespeed.ic.oswDm72ojB.png

417 ms

xInsta-w.png.pagespeed.ic.vslgG2B1Ew.png

xInsta-w.png.pagespeed.ic.vslgG2B1Ew.png

417 ms

S6u9w4BMUTPHh6UVSwiPHA.ttf

S6u9w4BMUTPHh6UVSwiPHA.ttf

41 ms

S6uyw4BMUTPHjx4wWw.ttf

S6uyw4BMUTPHjx4wWw.ttf

51 ms

xsecure-online-store-footer-w.png.pagespeed.ic.Voyg8Y-imU.png

xsecure-online-store-footer-w.png.pagespeed.ic.Voyg8Y-imU.png

396 ms

35 ms

5060633.js

5060633.js

17 ms

xpaymentmethods.png.pagespeed.ic.EwIZSZLMXP.png

xpaymentmethods.png.pagespeed.ic.EwIZSZLMXP.png

344 ms

secure-online-store-footer-w.png.pagespeed.ce.1FMrlBR0Zu.png

secure-online-store-footer-w.png.pagespeed.ce.1FMrlBR0Zu.png

344 ms

xCA-Flag-Big.png.pagespeed.ic.LFMzxO60VI.png

xCA-Flag-Big.png.pagespeed.ic.LFMzxO60VI.png

344 ms

xUSA-Flag-Big.png.pagespeed.ic.s_TxyM4Uu8.png

xUSA-Flag-Big.png.pagespeed.ic.s_TxyM4Uu8.png

316 ms

beacon.riskified.com

beacon.riskified.com

19 ms

Accessibility Review

canarysense.com accessibility score

73

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

Links do not have a discernible name

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

[id] attributes on active, focusable elements are not unique

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

canarysense.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

canarysense.com SEO score

84

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

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 doesn't use 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 Canarysense.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 Canarysense.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

canarysense.com

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