Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

izc.com.co

Proveedor de Tecnología | IZC Mayorista

Page Load Speed

12.9 sec in total

First Response

148 ms

Resources Loaded

11.8 sec

Page Rendered

918 ms

About Website

Welcome to izc.com.co homepage info - get ready to check IZC best content for Colombia right away, or after learning these important things about izc.com.co

IZC Mayorista con 32 años de experiencia en Colombia. Distribuidores directos de Punto de venta, Seguridad electrónica, Flexografía y 8 industrias más

Visit izc.com.co

Key Findings

We analyzed Izc.com.co page load time and found that the first response time was 148 ms and then it took 12.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

izc.com.co performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value39.6 s

0/100

25%

SI (Speed Index)

Value33.3 s

0/100

10%

TBT (Total Blocking Time)

Value1,960 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.203

61/100

15%

TTI (Time to Interactive)

Value61.2 s

0/100

10%

Network Requests Diagram

izc.com.co

148 ms

izc.com.co

302 ms

6461 ms

calendar.css

147 ms

owl.carousel.min.css

211 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 67% of them (76 requests) were addressed to the original Izc.com.co, 13% (15 requests) were made to Fonts.gstatic.com and 11% (13 requests) were made to Embed.tawk.to. The less responsive or slowest element that took the longest time to load (6.5 sec) belongs to the original domain Izc.com.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 179.8 kB (2%)

Content Size

8.9 MB

After Optimization

8.8 MB

In fact, the total size of Izc.com.co main page is 8.9 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. 70% of websites need less resources to load. Images take 8.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 141.4 kB

  • Original 174.6 kB
  • After minification 153.9 kB
  • After compression 33.2 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 20.6 kB, which is 12% 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 141.4 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 12.0 kB

  • Original 8.4 MB
  • After minification 8.4 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. IZC images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 23.4 kB

  • Original 184.3 kB
  • After minification 184.3 kB
  • After compression 160.8 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 23.4 kB or 13% of the original size.

CSS Optimization

-2%

Potential reduce by 3.0 kB

  • Original 182.8 kB
  • After minification 182.6 kB
  • After compression 179.8 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. Izc.com.co has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 38 (43%)

Requests Now

89

After Optimization

51

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IZC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

izc.com.co accessibility score

65

Accessibility Issues

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

[role]s do not have all required [aria-*] attributes

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA IDs are not unique

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

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

izc.com.co 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

izc.com.co SEO score

79

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

High

robots.txt is not valid

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

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 Izc.com.co 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 Izc.com.co 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 IZC. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: