Report Summary

  • 19

    Performance

    Renders faster than
    37% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 74

    SEO

    Google-friendlier than
    32% of websites

olx.com.br

OLX - O Maior Site de Compra e Venda do Brasil

Page Load Speed

1.3 sec in total

First Response

297 ms

Resources Loaded

888 ms

Page Rendered

101 ms

olx.com.br screenshot

About Website

Visit olx.com.br now to see the best up-to-date OLX content for Brazil and also check out these interesting facts you probably never knew about olx.com.br

OLX - Rápido e Fácil pra comprar e desapegar. Vender e Comprar nunca foi tão fácil! Anuncie Online na OLX - Você tem alguma coisa para desapegar. Desapega!

Visit olx.com.br

Key Findings

We analyzed Olx.com.br page load time and found that the first response time was 297 ms and then it took 989 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

olx.com.br performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value15.0 s

0/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value6,190 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.152

75/100

15%

TTI (Time to Interactive)

Value16.6 s

5/100

10%

Network Requests Diagram

olx.com.br

297 ms

www.olx.com.br

229 ms

page_home.css

43 ms

angular.min.js

42 ms

angular-sanitize.min.js

65 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 12% of them (4 requests) were addressed to the original Olx.com.br, 21% (7 requests) were made to Static.bn-static.com and 9% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (297 ms) belongs to the original domain Olx.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 813.2 kB (51%)

Content Size

1.6 MB

After Optimization

770.6 kB

In fact, the total size of Olx.com.br main page is 1.6 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. 40% of websites need less resources to load. Javascripts take 743.6 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 53.6 kB

  • Original 84.8 kB
  • After minification 82.5 kB
  • After compression 31.2 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. 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 53.6 kB or 63% of the original size.

Image Optimization

-2%

Potential reduce by 4.9 kB

  • Original 253.8 kB
  • After minification 248.9 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. OLX images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 471.9 kB

  • Original 743.6 kB
  • After minification 743.2 kB
  • After compression 271.7 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 471.9 kB or 63% of the original size.

CSS Optimization

-56%

Potential reduce by 282.7 kB

  • Original 501.6 kB
  • After minification 501.4 kB
  • After compression 218.8 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. Olx.com.br needs all CSS files to be minified and compressed as it can save up to 282.7 kB or 56% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (72%)

Requests Now

29

After Optimization

8

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OLX. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

olx.com.br accessibility score

85

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

olx.com.br best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Missing source maps for large first-party JavaScript

SEO Factors

olx.com.br SEO score

74

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Olx.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 Olx.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 data is detected on the main page of OLX. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: