Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

centrometalico.com

Artículos de ferretería – Ciudad de México – GRUPO CENTRO METÁLICO

Page Load Speed

1.5 sec in total

First Response

68 ms

Resources Loaded

1.1 sec

Page Rendered

314 ms

About Website

Welcome to centrometalico.com homepage info - get ready to check CENTRO Metalico best content for Mexico right away, or after learning these important things about centrometalico.com

Descubre la variedad de escaleras de aluminio que manejamos en Grupo Centro Metálico. Somos tu mejor opción en la Ciudad de México. Tenemos servicio a domicilio

Visit centrometalico.com

Key Findings

We analyzed Centrometalico.com page load time and found that the first response time was 68 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

centrometalico.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

51/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value4,500 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value26.6 s

0/100

10%

Network Requests Diagram

centrometalico.com

68 ms

www.centrometalico.com

87 ms

jquery-3.7.0.min.js

56 ms

d-js-one-runtime-unified-desktop.min.js

69 ms

d-js-jquery-migrate.min.js

68 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 8% of them (2 requests) were addressed to the original Centrometalico.com, 36% (9 requests) were made to Irp.cdn-website.com and 12% (3 requests) were made to Static.cdn-website.com. The less responsive or slowest element that took the longest time to load (605 ms) relates to the external source Minegocio.seccionamarilla.com.mx.

Page Optimization Overview & Recommendations

Page size can be reduced by 350.1 kB (18%)

Content Size

2.0 MB

After Optimization

1.6 MB

In fact, the total size of Centrometalico.com main page is 2.0 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. Only a small number of websites need less resources to load. Javascripts take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 186.1 kB

  • Original 249.6 kB
  • After minification 243.4 kB
  • After compression 63.5 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 186.1 kB or 75% of the original size.

Image Optimization

-31%

Potential reduce by 1.6 kB

  • Original 5.1 kB
  • After minification 3.5 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, CENTRO Metalico needs image optimization as it can save up to 1.6 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-9%

Potential reduce by 161.6 kB

  • Original 1.7 MB
  • After minification 1.7 MB
  • After compression 1.6 MB

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

-62%

Potential reduce by 812 B

  • Original 1.3 kB
  • After minification 1.3 kB
  • After compression 490 B

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. Centrometalico.com needs all CSS files to be minified and compressed as it can save up to 812 B or 62% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (38%)

Requests Now

21

After Optimization

13

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CENTRO Metalico. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

centrometalico.com accessibility score

86

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Tables and lists

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

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

centrometalico.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

centrometalico.com SEO score

81

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

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

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

    ES

  • Language Claimed

    ES

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centrometalico.com can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and it matches the claimed language. Our system also found out that Centrometalico.com 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 data is detected on the main page of CENTRO Metalico. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: