3.3 sec in total
649 ms
2.5 sec
184 ms
Welcome to pfizer.ca homepage info - get ready to check Pfizer best content for Canada right away, or after learning these important things about pfizer.ca
Homepage
Visit pfizer.caWe analyzed Pfizer.ca page load time and found that the first response time was 649 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
pfizer.ca performance score
name
value
score
weighting
Value5.6 s
5/100
10%
Value5.6 s
17/100
25%
Value7.2 s
30/100
10%
Value990 ms
28/100
30%
Value0.314
37/100
15%
Value11.8 s
17/100
10%
649 ms
78 ms
155 ms
162 ms
160 ms
Our browser made a total of 98 requests to load all elements on the main page. We found that 32% of them (31 requests) were addressed to the original Pfizer.ca, 23% (23 requests) were made to S3-eu-west-1.amazonaws.com and 19% (19 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (730 ms) relates to the external source S3-eu-west-1.amazonaws.com.
Page size can be reduced by 771.6 kB (49%)
1.6 MB
798.9 kB
In fact, the total size of Pfizer.ca main page is 1.6 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 718.7 kB which makes up the majority of the site volume.
Potential reduce by 103.4 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 103.4 kB or 82% of the original size.
Potential reduce by 97.5 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. Obviously, Pfizer needs image optimization as it can save up to 97.5 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 413.3 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 413.3 kB or 77% of the original size.
Potential reduce by 157.4 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. Pfizer.ca needs all CSS files to be minified and compressed as it can save up to 157.4 kB or 83% of the original size.
Number of requests can be reduced by 52 (59%)
88
36
The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pfizer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
pfizer.ca
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pfizer.ca accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
pfizer.ca best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
pfizer.ca SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pfizer.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 Pfizer.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.
pfizer.ca
Open Graph description is not detected on the main page of Pfizer. 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: