Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

Page Load Speed

2.5 sec in total

First Response

626 ms

Resources Loaded

1.6 sec

Page Rendered

264 ms

belfast.olx.co.za screenshot

About Website

Click here to check amazing Belfast OLX content for South Africa. Otherwise, check out these important facts you probably never knew about belfast.olx.co.za

Visit belfast.olx.co.za

Key Findings

We analyzed Belfast.olx.co.za page load time and found that the first response time was 626 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

belfast.olx.co.za performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.092

92/100

15%

TTI (Time to Interactive)

Value3.9 s

88/100

10%

Network Requests Diagram

belfast.olx.co.za

626 ms

ninja.js

5 ms

sw2595efe84ca4848d5cc9b048cc915d9c.css

24 ms

sw735a634ac0e0e374ff64e514d38a9a97.css

14 ms

it-ssafrica

13 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Belfast.olx.co.za, 11% (11 requests) were made to Img02.olx.co.za and 10% (10 requests) were made to D.adroll.com. The less responsive or slowest element that took the longest time to load (626 ms) belongs to the original domain Belfast.olx.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 842.0 kB (60%)

Content Size

1.4 MB

After Optimization

570.2 kB

In fact, the total size of Belfast.olx.co.za main page is 1.4 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. 60% of websites need less resources to load. Javascripts take 577.5 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 106.5 kB

  • Original 123.6 kB
  • After minification 103.6 kB
  • After compression 17.0 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 20.0 kB, which is 16% 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 106.5 kB or 86% of the original size.

Image Optimization

-15%

Potential reduce by 53.0 kB

  • Original 363.3 kB
  • After minification 310.3 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, Belfast OLX needs image optimization as it can save up to 53.0 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 395.5 kB

  • Original 577.5 kB
  • After minification 577.5 kB
  • After compression 182.1 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 395.5 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 287.1 kB

  • Original 347.9 kB
  • After minification 318.5 kB
  • After compression 60.8 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. Belfast.olx.co.za needs all CSS files to be minified and compressed as it can save up to 287.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (63%)

Requests Now

52

After Optimization

19

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Belfast 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 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

belfast.olx.co.za accessibility score

94

Accessibility Issues

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

Best Practices

belfast.olx.co.za best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

belfast.olx.co.za SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Belfast.olx.co.za can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Belfast.olx.co.za 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 Belfast OLX. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: