Tools & Wizards About Us
sd.postcodebase.com screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

sd.postcodebase.com

Home | South Dakota United States ZIP Code 5 Plus 4 ✉️

Page Load Speed

1 sec in total

First Response

119 ms

Resources Loaded

472 ms

Page Rendered

443 ms

sd.postcodebase.com screenshot

About Website

Welcome to sd.postcodebase.com homepage info - get ready to check Sd Post Code Base best content for United States right away, or after learning these important things about sd.postcodebase.com

This is the South Dakota ZIP code website, which contains 413 ZIP codes, 444 cities, 67 counties, and more than 156,567 ZIP+4 codes. Each 9-digit ZIP code corresponds to one or several South Dakota ad...

Visit sd.postcodebase.com

Key Findings

We analyzed Sd.postcodebase.com page load time and found that the first response time was 119 ms and then it took 915 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

sd.postcodebase.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

93/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value1,430 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.097

90/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

sd.postcodebase.com

119 ms

sd.postcodebase.com

79 ms

style.css

22 ms

img_nav.png

83 ms

rocket-loader.min.js

45 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 32% of them (11 requests) were addressed to the original Sd.postcodebase.com, 65% (22 requests) were made to Zip.postcodebase.com and 3% (1 request) were made to Static.cloudflareinsights.com. The less responsive or slowest element that took the longest time to load (190 ms) belongs to the original domain Sd.postcodebase.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.3 kB (12%)

Content Size

262.2 kB

After Optimization

231.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sd.postcodebase.com main page is 262.2 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. 20% of websites need less resources to load. Images take 182.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 30.3 kB

  • Original 37.5 kB
  • After minification 31.3 kB
  • After compression 7.2 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 6.2 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 30.3 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 182.1 kB
  • After minification 182.1 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. Sd Post Code Base images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 34.7 kB
  • After minification 34.7 kB
  • After compression 34.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 7.9 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.

Requests Breakdown

Number of requests can be reduced by 18 (56%)

Requests Now

32

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sd 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 and as a result speed up the page load time.

Network Requests Diagram

sd.postcodebase.com

sd.postcodebase.com

119 ms

sd.postcodebase.com

sd.postcodebase.com

79 ms

style.css

style.css

22 ms

img_nav.png

img_nav.png

83 ms

rocket-loader.min.js

rocket-loader.min.js

45 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

102 ms

img_logo.png

img_logo.png

115 ms

sd.jpg

sd.jpg

190 ms

sd.png

sd.png

115 ms

homepage.png

homepage.png

108 ms

lang-switch.png

lang-switch.png

95 ms

img_close.png

img_close.png

107 ms

img_logo.png

img_logo.png

107 ms

usa_zip.png

usa_zip.png

106 ms

icon_random_address.svg

icon_random_address.svg

104 ms

icon_query.svg

icon_query.svg

121 ms

icon_zip_addfour.svg

icon_zip_addfour.svg

114 ms

icon_zipcode_distance.svg

icon_zipcode_distance.svg

137 ms

icon_datas.png

icon_datas.png

120 ms

img_city.png

img_city.png

124 ms

img_arrow_right.png

img_arrow_right.png

126 ms

img_county.png

img_county.png

151 ms

img_postcode.png

img_postcode.png

138 ms

img_envelope.png

img_envelope.png

142 ms

usa.jpg

usa.jpg

142 ms

img_population.png

img_population.png

141 ms

shopping-cart.png

shopping-cart.png

153 ms

datas-img.png

datas-img.png

148 ms

img_state.png

img_state.png

157 ms

img_footer_logo.png

img_footer_logo.png

169 ms

img_return_top.png

img_return_top.png

164 ms

bg_img.jpg

bg_img.jpg

38 ms

right.svg

right.svg

49 ms

js_YD9ro0PAqY25gGWrTki6TjRUG8TdokmmxjfqpNNfzVU.js

js_YD9ro0PAqY25gGWrTki6TjRUG8TdokmmxjfqpNNfzVU.js

76 ms

Accessibility Review

sd.postcodebase.com accessibility score

97

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

sd.postcodebase.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

sd.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 Sd.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 Sd.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

sd.postcodebase.com

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