Tools & Wizards About Us

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

zipmap.net

United States Zip Code Boundary Map (USA)

Page Load Speed

1.8 sec in total

First Response

141 ms

Resources Loaded

1.6 sec

Page Rendered

62 ms

About Website

Welcome to zipmap.net homepage info - get ready to check Zip Map best content for United States right away, or after learning these important things about zipmap.net

This page shows a map with an overlay of Zip Codes for the United States of America. Users can easily view the boundaries of each Zip Code and the state as a whole.

Visit zipmap.net

Key Findings

We analyzed Zipmap.net page load time and found that the first response time was 141 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

zipmap.net performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value5,930 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value17.1 s

4/100

10%

Network Requests Diagram

zipmap.net

141 ms

zipmap.net

176 ms

ol.css

56 ms

polyfill.min.js

924 ms

ol.js

243 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 50% of them (5 requests) were addressed to the original Zipmap.net, 40% (4 requests) were made to Pagead2.googlesyndication.com and 10% (1 request) were made to Cdn.polyfill.io. The less responsive or slowest element that took the longest time to load (924 ms) relates to the external source Cdn.polyfill.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 496.3 kB (49%)

Content Size

1.0 MB

After Optimization

506.5 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Zipmap.net main page is 1.0 MB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 976.7 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 15.5 kB

  • Original 22.4 kB
  • After minification 21.6 kB
  • After compression 6.8 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 15.5 kB or 69% of the original size.

JavaScript Optimization

-49%

Potential reduce by 478.1 kB

  • Original 976.7 kB
  • After minification 976.7 kB
  • After compression 498.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 478.1 kB or 49% of the original size.

CSS Optimization

-70%

Potential reduce by 2.6 kB

  • Original 3.8 kB
  • After minification 3.7 kB
  • After compression 1.1 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. Zipmap.net needs all CSS files to be minified and compressed as it can save up to 2.6 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (63%)

Requests Now

8

After Optimization

3

  • Images
  • JavaScript
  • CSS

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zip Map. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

zipmap.net accessibility score

80

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

zipmap.net best practices score

67

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

zipmap.net SEO score

69

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zipmap.net can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zipmap.net 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 Zip Map. 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: