Report Summary

  • 13

    Performance

    Renders faster than
    26% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

zipmap.net

United States Zip Code Boundary Map (USA)

Page Load Speed

783 ms in total

First Response

126 ms

Resources Loaded

507 ms

Page Rendered

150 ms

zipmap.net screenshot

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 126 ms and then it took 657 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

zipmap.net performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value13,370 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.236

53/100

15%

TTI (Time to Interactive)

Value24.5 s

0/100

10%

Network Requests Diagram

zipmap.net

126 ms

adsbygoogle.js

8 ms

ga.js

35 ms

ca-pub-8459461757728965.js

54 ms

zrt_lookup.html

54 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 10% of them (1 request) were addressed to the original Zipmap.net, 40% (4 requests) were made to Pagead2.googlesyndication.com and 20% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (234 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.1 kB (46%)

Content Size

63.0 kB

After Optimization

34.0 kB

In fact, the total size of Zipmap.net main page is 63.0 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. Javascripts take 55.5 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 4.9 kB

  • Original 7.4 kB
  • After minification 7.3 kB
  • After compression 2.4 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 4.9 kB or 67% of the original size.

Image Optimization

-1%

Potential reduce by 2 B

  • Original 183 B
  • After minification 181 B

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. Zip Map images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 24.1 kB

  • Original 55.5 kB
  • After minification 55.4 kB
  • After compression 31.4 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 24.1 kB or 43% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (50%)

Requests Now

8

After Optimization

4

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 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

zipmap.net accessibility score

55

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

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

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

71

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: