Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

3m.com.pt

3M Science. Applied to Life. | 3M Portugal

Page Load Speed

6.2 sec in total

First Response

85 ms

Resources Loaded

5.5 sec

Page Rendered

563 ms

3m.com.pt screenshot

About Website

Visit 3m.com.pt now to see the best up-to-date 3M content for Portugal and also check out these interesting facts you probably never knew about 3m.com.pt

A 3M aplica a ciência e a inovação de modo a causar um impacto real, ao despoletar o progresso e promover a inovação nas vidas e comunidades em todo o mundo.

Visit 3m.com.pt

Key Findings

We analyzed 3m.com.pt page load time and found that the first response time was 85 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

3m.com.pt performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value4,470 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.454

20/100

15%

TTI (Time to Interactive)

Value22.2 s

1/100

10%

Network Requests Diagram

3m.com.pt

85 ms

www.3m.com.pt

178 ms

3498 ms

unicorn.css

16 ms

unicorn-icons.css

6 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 96% of them (44 requests) were addressed to the original 3m.com.pt, 2% (1 request) were made to Usage.trackjs.com and 2% (1 request) were made to Tags.tiqcdn.com. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain 3m.com.pt.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.9 MB (63%)

Content Size

3.0 MB

After Optimization

1.1 MB

In fact, the total size of 3m.com.pt main page is 3.0 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. CSS take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-96%

Potential reduce by 725.4 kB

  • Original 758.6 kB
  • After minification 639.2 kB
  • After compression 33.3 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 119.4 kB, which is 16% 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 725.4 kB or 96% of the original size.

Image Optimization

-4%

Potential reduce by 35.4 kB

  • Original 882.8 kB
  • After minification 847.4 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. 3M images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 86.9 kB

  • Original 127.0 kB
  • After minification 125.1 kB
  • After compression 40.1 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 86.9 kB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 1.1 MB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 198.7 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. 3m.com.pt needs all CSS files to be minified and compressed as it can save up to 1.1 MB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (30%)

Requests Now

43

After Optimization

30

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3M. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

3m.com.pt accessibility score

89

Accessibility Issues

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

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

Links do not have a discernible name

Best Practices

3m.com.pt best practices score

58

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

Displays images with incorrect aspect ratio

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

3m.com.pt SEO score

92

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    PT

  • Language Claimed

    PT

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 3m.com.pt can be misinterpreted by Google and other search engines. Our service has detected that Portuguese is used on the page, and it matches the claimed language. Our system also found out that 3m.com.pt 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

Open Graph description is not detected on the main page of 3M. 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: