Tools & Wizards About Us
sapostalcodes.info screenshot

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

sapostalcodes.info

South African Postal Codes

Page Load Speed

462 ms in total

First Response

42 ms

Resources Loaded

365 ms

Page Rendered

55 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

Find postal codes for South African cities, suburbs, and streets

Visit sapostalcodes.info

Key Findings

We analyzed Sapostalcodes.info page load time and found that the first response time was 42 ms and then it took 420 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

sapostalcodes.info performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

76/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

94/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value480 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

sapostalcodes.info

42 ms

sapostalcodes.info

45 ms

bootstrap.min.css

37 ms

css2

57 ms

main.8f2c185e.chunk.css

11 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 38% of them (5 requests) were addressed to the original Sapostalcodes.info, 15% (2 requests) were made to Google-analytics.com and 8% (1 request) were made to Stackpath.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (221 ms) relates to the external source Scripts.cleverwebserver.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 34.0 kB (37%)

Content Size

92.5 kB

After Optimization

58.5 kB

  • HTML
  • JavaScript

In fact, the total size of Sapostalcodes.info main page is 92.5 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. 25% of websites need less resources to load. Javascripts take 88.6 kB which makes up the majority of the site volume.

HTML Optimization

-53%

Potential reduce by 2.1 kB

  • Original 3.9 kB
  • After minification 3.9 kB
  • After compression 1.8 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 2.1 kB or 53% of the original size.

JavaScript Optimization

-36%

Potential reduce by 32.0 kB

  • Original 88.6 kB
  • After minification 88.6 kB
  • After compression 56.7 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 32.0 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (36%)

Requests Now

11

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sa Postal Codes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sapostalcodes.info

sapostalcodes.info

42 ms

sapostalcodes.info

sapostalcodes.info

45 ms

bootstrap.min.css

bootstrap.min.css

37 ms

css2

css2

57 ms

main.8f2c185e.chunk.css

main.8f2c185e.chunk.css

11 ms

2.0c257dd1.chunk.js

2.0c257dd1.chunk.js

161 ms

main.37234515.chunk.js

main.37234515.chunk.js

46 ms

analytics.js

analytics.js

21 ms

f1459d2834596bb9b3f0bc1235052614.js

f1459d2834596bb9b3f0bc1235052614.js

221 ms

collect

collect

12 ms

collect

collect

33 ms

js

js

75 ms

ga-audiences

ga-audiences

42 ms

Accessibility Review

sapostalcodes.info accessibility score

100

Accessibility Issues

Best Practices

sapostalcodes.info best practices score

83

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

Browser errors were logged to the console

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

    EN

  • Encoding

    UTF-8

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), while the claimed language is English. Our system also found out that Sapostalcodes.info 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

sapostalcodes.info

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: