Tools & Wizards About Us

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

3f.com.br

3F - Fechaduras e Cadeados feitos no Brasil. Conheça!

Page Load Speed

4.1 sec in total

First Response

535 ms

Resources Loaded

3.4 sec

Page Rendered

164 ms

About Website

Welcome to 3f.com.br homepage info - get ready to check 3F best content for Brazil right away, or after learning these important things about 3f.com.br

Fechaduras e cadeados produzidos no Brasil com selo de qualidade PBQP para sua casa, empresa ou grandes projetos. Conheça agora toda a variedade de produtos 3F.

Visit 3f.com.br

Key Findings

We analyzed 3f.com.br page load time and found that the first response time was 535 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

3f.com.br performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value1,970 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.0 s

3/100

10%

Network Requests Diagram

3f.com.br

535 ms

www.3f.com.br

1157 ms

style.css

419 ms

jsSite.js

281 ms

default.css

286 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 81% of them (42 requests) were addressed to the original 3f.com.br, 6% (3 requests) were made to S.ytimg.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain 3f.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 500.6 kB (45%)

Content Size

1.1 MB

After Optimization

612.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 3f.com.br main page is 1.1 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. 65% of websites need less resources to load. Images take 481.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 24.6 kB

  • Original 29.2 kB
  • After minification 15.9 kB
  • After compression 4.7 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 13.3 kB, which is 46% 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 24.6 kB or 84% of the original size.

Image Optimization

-9%

Potential reduce by 45.6 kB

  • Original 481.1 kB
  • After minification 435.5 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. 3F images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 207.8 kB

  • Original 333.3 kB
  • After minification 332.5 kB
  • After compression 125.5 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 207.8 kB or 62% of the original size.

CSS Optimization

-83%

Potential reduce by 222.7 kB

  • Original 269.3 kB
  • After minification 264.7 kB
  • After compression 46.6 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. 3f.com.br needs all CSS files to be minified and compressed as it can save up to 222.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (38%)

Requests Now

48

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3F. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

3f.com.br accessibility score

91

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

3f.com.br 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

3f.com.br SEO score

100

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    PT

  • Language Claimed

    PT

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 3f.com.br 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 3f.com.br main page’s claimed encoding is iso-8859-1. 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

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