Access oscan.ca. Oscan Electrical Supplies | Oshawa Eletrical Store

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

88/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

oscan.ca

76 ms

oscan.ca

371 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Oscan.ca and no external sources were called. The less responsive or slowest element that took the longest time to load (371 ms) belongs to the original domain Oscan.ca.

Content Size

5.1 MB

After Optimization

4.9 MB

In fact, the total size of Oscan.ca main page is 5.1 MB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 4.7 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 159.7 kB

Original 206.8 kB
After minification 206.7 kB
After compression 47.1 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 159.7 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 127.7 kB

Original 4.7 MB
After minification 4.6 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. Oscan images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 120 B

Original 61.3 kB
After minification 61.3 kB
After compression 61.2 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

-0%

Potential reduce by 824 B

Original 174.3 kB
After minification 174.3 kB
After compression 173.5 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. Oscan.ca has all CSS files already compressed.

Requests Now

After Optimization

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

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

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 Oscan.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 Oscan.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

oscan.ca

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