Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

sigma.la

Web Design Pages Medellín, Colombia | Sigma Studios

Page Load Speed

2.6 sec in total

First Response

62 ms

Resources Loaded

1.7 sec

Page Rendered

870 ms

About Website

Click here to check amazing Sigma content for Colombia. Otherwise, check out these important facts you probably never knew about sigma.la

Web design in Colombia, Web pages in Medellin, apps development in Medellin, conversion Funnels Miami, New York, Houston, Chicago, California.

Visit sigma.la

Key Findings

We analyzed Sigma.la page load time and found that the first response time was 62 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

sigma.la performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value3,430 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.244

51/100

15%

TTI (Time to Interactive)

Value37.3 s

0/100

10%

Network Requests Diagram

sigma.la

62 ms

sigma.la

470 ms

js

72 ms

gtm.js

126 ms

bootstrap.min.css

143 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 3% of them (3 requests) were addressed to the original Sigma.la, 93% (100 requests) were made to We-are-sigma.s3.amazonaws.com and 2% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (499 ms) relates to the external source We-are-sigma.s3.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (20%)

Content Size

8.6 MB

After Optimization

6.9 MB

In fact, the total size of Sigma.la main page is 8.6 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. Only a small number of websites need less resources to load. Images take 7.6 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 132.7 kB

  • Original 153.3 kB
  • After minification 108.8 kB
  • After compression 20.6 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 44.5 kB, which is 29% 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 132.7 kB or 87% of the original size.

Image Optimization

-12%

Potential reduce by 913.0 kB

  • Original 7.6 MB
  • After minification 6.7 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. Obviously, Sigma needs image optimization as it can save up to 913.0 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 476.7 kB

  • Original 661.1 kB
  • After minification 658.9 kB
  • After compression 184.4 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 476.7 kB or 72% of the original size.

CSS Optimization

-81%

Potential reduce by 186.2 kB

  • Original 230.0 kB
  • After minification 230.0 kB
  • After compression 43.9 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. Sigma.la needs all CSS files to be minified and compressed as it can save up to 186.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (24%)

Requests Now

95

After Optimization

72

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sigma. 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 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sigma.la accessibility score

82

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

sigma.la 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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

sigma.la SEO score

91

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    ES

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sigma.la can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Spanish language. Our system also found out that Sigma.la 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 Sigma. 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: