Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

postalcodesdb.com

Postal Codes and Zip Codes Database - PostCodesDB

Page Load Speed

5.2 sec in total

First Response

1.3 sec

Resources Loaded

3.8 sec

Page Rendered

187 ms

postalcodesdb.com screenshot

About Website

Welcome to postalcodesdb.com homepage info - get ready to check Postal CodesDB best content for Ghana right away, or after learning these important things about postalcodesdb.com

zip codes and postal code. Zip Codes Database provides free reference for Zip Codes and Postal Codes of all countries and cities in the world.

Visit postalcodesdb.com

Key Findings

We analyzed Postalcodesdb.com page load time and found that the first response time was 1.3 sec and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

postalcodesdb.com performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

51/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

Network Requests Diagram

postalcodesdb.com

1278 ms

www.postalcodesdb.com

1907 ms

css

25 ms

StyleSheet.css

99 ms

element.js

34 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 32% of them (9 requests) were addressed to the original Postalcodesdb.com, 18% (5 requests) were made to Translate.googleapis.com and 14% (4 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Postalcodesdb.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 26.5 kB (14%)

Content Size

196.3 kB

After Optimization

169.8 kB

In fact, the total size of Postalcodesdb.com main page is 196.3 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. 35% of websites need less resources to load. Javascripts take 114.6 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 10.3 kB

  • Original 14.6 kB
  • After minification 12.2 kB
  • After compression 4.2 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. This page needs HTML code to be minified as it can gain 2.4 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 10.3 kB or 71% of the original size.

Image Optimization

-7%

Potential reduce by 3.6 kB

  • Original 48.9 kB
  • After minification 45.3 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. Postal CodesDB images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 954 B

  • Original 114.6 kB
  • After minification 114.5 kB
  • After compression 113.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-64%

Potential reduce by 11.7 kB

  • Original 18.3 kB
  • After minification 15.4 kB
  • After compression 6.6 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. Postalcodesdb.com needs all CSS files to be minified and compressed as it can save up to 11.7 kB or 64% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (60%)

Requests Now

25

After Optimization

10

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Postal CodesDB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

postalcodesdb.com accessibility score

85

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Best Practices

postalcodesdb.com best practices score

75

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

Serves images with low resolution

SEO Factors

postalcodesdb.com SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Postalcodesdb.com 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 Postalcodesdb.com 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 Postal CodesDB. 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: