Tools & Wizards About Us
nc.postcodebase.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

nc.postcodebase.com

Home | North Carolina United States ZIP Code 5 Plus 4 ✉️

Page Load Speed

1 sec in total

First Response

39 ms

Resources Loaded

500 ms

Page Rendered

477 ms

nc.postcodebase.com screenshot

About Website

Click here to check amazing Nc Post Code Base content for United States. Otherwise, check out these important facts you probably never knew about nc.postcodebase.com

This is the North Carolina ZIP code website, which contains 1,087 ZIP codes, 793 cities, 100 counties, and more than 1,583,822 ZIP+4 codes. Each 9-digit ZIP code corresponds to one or several North Ca...

Visit nc.postcodebase.com

Key Findings

We analyzed Nc.postcodebase.com page load time and found that the first response time was 39 ms and then it took 977 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

nc.postcodebase.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value20.0 s

0/100

10%

TBT (Total Blocking Time)

Value10,400 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value50.5 s

0/100

10%

Network Requests Diagram

nc.postcodebase.com

39 ms

nc.postcodebase.com

42 ms

style.css

26 ms

cls.css

49 ms

pubfig.min.js

81 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 28% of them (11 requests) were addressed to the original Nc.postcodebase.com, 59% (23 requests) were made to Zip.postcodebase.com and 5% (2 requests) were made to A.pub.network. The less responsive or slowest element that took the longest time to load (316 ms) belongs to the original domain Nc.postcodebase.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 157.8 kB (29%)

Content Size

543.9 kB

After Optimization

386.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nc.postcodebase.com main page is 543.9 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. 30% of websites need less resources to load. Javascripts take 278.0 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 34.9 kB

  • Original 42.3 kB
  • After minification 32.3 kB
  • After compression 7.5 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 10.0 kB, which is 24% 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 34.9 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 211.3 kB
  • After minification 211.3 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. Nc Post Code Base images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 122.9 kB

  • Original 278.0 kB
  • After minification 278.0 kB
  • After compression 155.1 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 122.9 kB or 44% of the original size.

CSS Optimization

-1%

Potential reduce by 105 B

  • Original 12.2 kB
  • After minification 12.2 kB
  • After compression 12.1 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. Nc.postcodebase.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (68%)

Requests Now

37

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nc Post Code Base. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

nc.postcodebase.com

nc.postcodebase.com

39 ms

nc.postcodebase.com

nc.postcodebase.com

42 ms

style.css

style.css

26 ms

cls.css

cls.css

49 ms

pubfig.min.js

pubfig.min.js

81 ms

js

js

80 ms

adsbygoogle.js

adsbygoogle.js

173 ms

clipboard.min.js

clipboard.min.js

72 ms

rocket-loader.min.js

rocket-loader.min.js

28 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

76 ms

img_logo.png

img_logo.png

23 ms

img_nav.png

img_nav.png

25 ms

lang-switch.png

lang-switch.png

33 ms

img_close.png

img_close.png

32 ms

img_logo.png

img_logo.png

38 ms

usa_zip.png

usa_zip.png

44 ms

icon_random_address.svg

icon_random_address.svg

31 ms

icon_query.svg

icon_query.svg

43 ms

icon_zip_addfour.svg

icon_zip_addfour.svg

52 ms

icon_zipcode_distance.svg

icon_zipcode_distance.svg

64 ms

icon_datas.png

icon_datas.png

48 ms

img_city.png

img_city.png

59 ms

img_arrow_right.png

img_arrow_right.png

62 ms

img_county.png

img_county.png

79 ms

img_postcode.png

img_postcode.png

62 ms

img_envelope.png

img_envelope.png

68 ms

usa.jpg

usa.jpg

78 ms

img_population.png

img_population.png

81 ms

shopping-cart.png

shopping-cart.png

81 ms

datas-img.png

datas-img.png

78 ms

img_state.png

img_state.png

85 ms

img_footer_logo.png

img_footer_logo.png

92 ms

img_return_top.png

img_return_top.png

99 ms

bg_img.jpg

bg_img.jpg

19 ms

nc.jpg

nc.jpg

25 ms

right.svg

right.svg

47 ms

nc.png

nc.png

123 ms

homepage.png

homepage.png

316 ms

js_YD9ro0PAqY25gGWrTki6TjRUG8TdokmmxjfqpNNfzVU.js

js_YD9ro0PAqY25gGWrTki6TjRUG8TdokmmxjfqpNNfzVU.js

25 ms

Accessibility Review

nc.postcodebase.com accessibility score

98

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.

Best Practices

nc.postcodebase.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

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

nc.postcodebase.com SEO score

93

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

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 Nc.postcodebase.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 Nc.postcodebase.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

nc.postcodebase.com

Open Graph data is detected on the main page of Nc Post Code Base. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: