Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

sapostalcodes.info

South African Postal Codes

Page Load Speed

2.1 sec in total

First Response

21 ms

Resources Loaded

2 sec

Page Rendered

79 ms

sapostalcodes.info screenshot

About Website

Visit sapostalcodes.info now to see the best up-to-date Sa Postal Codes content for South Africa and also check out these interesting facts you probably never knew about sapostalcodes.info

A South African postal code directory. Your post code is here!

Visit sapostalcodes.info

Key Findings

We analyzed Sapostalcodes.info page load time and found that the first response time was 21 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

sapostalcodes.info performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

79/100

25%

SI (Speed Index)

Value2.5 s

97/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

sapostalcodes.info

21 ms

styles.css

4 ms

slider.php

171 ms

analytics.js

5 ms

collect

11 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 17% of them (2 requests) were addressed to the original Sapostalcodes.info, 33% (4 requests) were made to Cdn.snackdigital.com and 17% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Cdn.snackdigital.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 42.3 kB (61%)

Content Size

69.5 kB

After Optimization

27.3 kB

In fact, the total size of Sapostalcodes.info main page is 69.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Javascripts take 63.4 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 3.7 kB

  • Original 5.5 kB
  • After minification 5.3 kB
  • After compression 1.9 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 3.7 kB or 66% of the original size.

JavaScript Optimization

-60%

Potential reduce by 38.3 kB

  • Original 63.4 kB
  • After minification 63.4 kB
  • After compression 25.1 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 38.3 kB or 60% of the original size.

CSS Optimization

-50%

Potential reduce by 289 B

  • Original 581 B
  • After minification 473 B
  • After compression 292 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. Sapostalcodes.info needs all CSS files to be minified and compressed as it can save up to 289 B or 50% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sa Postal Codes. According to our analytics all requests are already optimized.

Accessibility Review

sapostalcodes.info accessibility score

100

Accessibility Issues

Best Practices

sapostalcodes.info 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

sapostalcodes.info SEO score

100

Search Engine Optimization Advices

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sapostalcodes.info can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Sapostalcodes.info 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 description is not detected on the main page of Sa Postal Codes. 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: