Tools & Wizards About Us
sterlmar.ca screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

sterlmar.ca

STERLMAR EQUIPMENT - Welcome to Sterlmar Equipment

Page Load Speed

2.3 sec in total

First Response

290 ms

Resources Loaded

1.6 sec

Page Rendered

414 ms

sterlmar.ca screenshot

About Website

Visit sterlmar.ca now to see the best up-to-date STERLMAR content and also check out these interesting facts you probably never knew about sterlmar.ca

Sterlmar Equipment is YOUR emergency vehicle lighting SPECIALIST. Our goal is to provide you with the best and widest range of products that the market has to offer, at the lowest prices, and service ...

Visit sterlmar.ca

Key Findings

We analyzed Sterlmar.ca page load time and found that the first response time was 290 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

sterlmar.ca performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value4.1 s

80/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.379

28/100

15%

TTI (Time to Interactive)

Value4.1 s

87/100

10%

Network Requests Diagram

www.sterlmar.ca

290 ms

common.css

115 ms

border.css

119 ms

site.css

118 ms

pageelements.css

119 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 98% of them (49 requests) were addressed to the original Sterlmar.ca, 2% (1 request) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (721 ms) belongs to the original domain Sterlmar.ca.

Page Optimization Overview & Recommendations

Page size can be reduced by 231.6 kB (12%)

Content Size

1.9 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sterlmar.ca main page is 1.9 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. 25% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 16.0 kB

  • Original 20.4 kB
  • After minification 20.2 kB
  • After compression 4.3 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 16.0 kB or 79% of the original size.

Image Optimization

-11%

Potential reduce by 196.0 kB

  • Original 1.8 MB
  • After minification 1.6 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. Obviously, STERLMAR needs image optimization as it can save up to 196.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-24%

Potential reduce by 19.1 kB

  • Original 78.6 kB
  • After minification 78.5 kB
  • After compression 59.6 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 19.1 kB or 24% of the original size.

CSS Optimization

-8%

Potential reduce by 435 B

  • Original 5.7 kB
  • After minification 5.7 kB
  • After compression 5.2 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. Sterlmar.ca has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 34 (71%)

Requests Now

48

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of STERLMAR. 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 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.sterlmar.ca

www.sterlmar.ca

290 ms

common.css

common.css

115 ms

border.css

border.css

119 ms

site.css

site.css

118 ms

pageelements.css

pageelements.css

119 ms

preview.css

preview.css

121 ms

prototype.js

prototype.js

364 ms

effects.js

effects.js

179 ms

server.js

server.js

238 ms

bounds.js

bounds.js

241 ms

tip.js

tip.js

185 ms

touch.js

touch.js

183 ms

site.js

site.js

240 ms

webservices.js

webservices.js

244 ms

order.js

order.js

247 ms

customer.js

customer.js

299 ms

product.js

product.js

302 ms

stats.js

stats.js

303 ms

menu.js

menu.js

306 ms

addthis_widget.js

addthis_widget.js

22 ms

logo.img

logo.img

122 ms

menu.img

menu.img

64 ms

menu.img

menu.img

65 ms

menu.img

menu.img

62 ms

menu.img

menu.img

70 ms

menu.img

menu.img

64 ms

menu.img

menu.img

123 ms

content.img

content.img

132 ms

content.img

content.img

133 ms

DSC_0070%20EDIT.jpg

DSC_0070%20EDIT.jpg

488 ms

Screenshot%202022-02-11%20at%2016-05-00%20Whelen%20-%20Manufactured%20In%20America%20Emergency%20Warning%20Equipment.png

Screenshot%202022-02-11%20at%2016-05-00%20Whelen%20-%20Manufactured%20In%20America%20Emergency%20Warning%20Equipment.png

480 ms

Website%20write%20up%201.png

Website%20write%20up%201.png

422 ms

whelen%20logo.png

whelen%20logo.png

186 ms

25%20year%20edit.jpg

25%20year%20edit.jpg

598 ms

f150%20fire%20truck%202.JPG

f150%20fire%20truck%202.JPG

483 ms

DSCF09482.jpg

DSCF09482.jpg

425 ms

20181009_133805.jpg

20181009_133805.jpg

721 ms

web_hosting_companies.png

web_hosting_companies.png

485 ms

content.img

content.img

558 ms

content.img

content.img

553 ms

1706989879287

1706989879287

544 ms

header.img

header.img

553 ms

navbar.img

navbar.img

613 ms

body.img

body.img

619 ms

content.img

content.img

623 ms

content.img

content.img

633 ms

content.img

content.img

663 ms

pagetitle_background.img

pagetitle_background.img

682 ms

content.img

content.img

654 ms

content.img

content.img

657 ms

Accessibility Review

sterlmar.ca accessibility score

63

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Links do not have a discernible name

Best Practices

sterlmar.ca best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sterlmar.ca SEO score

69

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sterlmar.ca 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 Sterlmar.ca main page’s claimed encoding is iso8859-1. 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

sterlmar.ca

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