Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

la.postcodebase.com

Home | Louisiana United States ZIP Code 5 Plus 4 ✉️

Page Load Speed

1.4 sec in total

First Response

129 ms

Resources Loaded

521 ms

Page Rendered

726 ms

la.postcodebase.com screenshot

About Website

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

This is the Louisiana ZIP code website, which contains 719 ZIP codes, 495 cities, 64 counties, and more than 751,963 ZIP+4 codes. Each 9-digit ZIP code corresponds to one or several Louisiana addresse...

Visit la.postcodebase.com

Key Findings

We analyzed La.postcodebase.com page load time and found that the first response time was 129 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

la.postcodebase.com performance score

50

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)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value5,280 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value25.3 s

0/100

10%

Network Requests Diagram

la.postcodebase.com

129 ms

style.css

28 ms

cls.css

55 ms

pubfig.min.js

96 ms

js

97 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 23% of them (10 requests) were addressed to the original La.postcodebase.com, 65% (28 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 (222 ms) relates to the external source Zip.postcodebase.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 36.9 kB (9%)

Content Size

415.3 kB

After Optimization

378.4 kB

In fact, the total size of La.postcodebase.com main page is 415.3 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. 45% of websites need less resources to load. Images take 275.0 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 35.4 kB

  • Original 43.1 kB
  • After minification 33.1 kB
  • After compression 7.7 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 23% 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 35.4 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 1.3 kB

  • Original 275.0 kB
  • After minification 273.7 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. La Post Code Base images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 46 B

  • Original 84.1 kB
  • After minification 84.1 kB
  • After compression 84.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 117 B

  • Original 13.1 kB
  • After minification 13.1 kB
  • After compression 12.9 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. La.postcodebase.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (62%)

Requests Now

42

After Optimization

16

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of La 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 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

la.postcodebase.com accessibility score

89

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.

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

High

Image elements do not have [alt] attributes

Best Practices

la.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

la.postcodebase.com SEO score

85

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 La.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 La.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

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