Tools & Wizards About Us
wunderground.co.nz screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

wunderground.co.nz

Local Weather Forecast, News and Conditions | Weather Underground

Page Load Speed

2.4 sec in total

First Response

38 ms

Resources Loaded

653 ms

Page Rendered

1.7 sec

wunderground.co.nz screenshot

About Website

Welcome to wunderground.co.nz homepage info - get ready to check W Underground best content right away, or after learning these important things about wunderground.co.nz

Weather Underground provides local & long-range weather forecasts, weather reports, maps & tropical weather conditions for locations worldwide

Visit wunderground.co.nz

Key Findings

We analyzed Wunderground.co.nz page load time and found that the first response time was 38 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

wunderground.co.nz performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value17.3 s

0/100

10%

TBT (Total Blocking Time)

Value9,760 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value46.6 s

0/100

10%

Network Requests Diagram

wunderground.co.nz

38 ms

weather.com

240 ms

eum.min.js

89 ms

helios.js

360 ms

main.309439c85501131f0cdd.js

196 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Wunderground.co.nz, 73% (33 requests) were made to S.w-x.co and 11% (5 requests) were made to Weather.com. The less responsive or slowest element that took the longest time to load (360 ms) relates to the external source S.w-x.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (53%)

Content Size

2.6 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Wunderground.co.nz main page is 2.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. HTML takes 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 1.2 MB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 149.3 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 1.2 MB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 706.4 kB
  • After minification 706.4 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. W Underground images are well optimized though.

JavaScript Optimization

-37%

Potential reduce by 210.9 kB

  • Original 569.3 kB
  • After minification 569.3 kB
  • After compression 358.4 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 210.9 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (23%)

Requests Now

43

After Optimization

33

  • Images
  • JavaScript

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of W Underground. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

wunderground.co.nz

wunderground.co.nz

38 ms

weather.com

weather.com

240 ms

eum.min.js

eum.min.js

89 ms

helios.js

helios.js

360 ms

main.309439c85501131f0cdd.js

main.309439c85501131f0cdd.js

196 ms

46202.lodash.88909470f8c3bcc3ea36.js

46202.lodash.88909470f8c3bcc3ea36.js

209 ms

dprSdkScript.js

dprSdkScript.js

246 ms

launch-a955fe322648.min.js

launch-a955fe322648.min.js

52 ms

gpt.js

gpt.js

209 ms

peel1.ext.df9c55.js

peel1.ext.df9c55.js

193 ms

websdk.appsflyer.com

websdk.appsflyer.com

265 ms

polyfill.min.js

polyfill.min.js

78 ms

Severe_prim_0223a.jpg

Severe_prim_0223a.jpg

169 ms

0223febwarm.jpeg

0223febwarm.jpeg

168 ms

0222-record-highs-promo.png

0222-record-highs-promo.png

167 ms

america-snow-drought-primary.png

america-snow-drought-primary.png

168 ms

Hurricane%20Season%20Outlook%20Primary%20v2nb.jpg

Hurricane%20Season%20Outlook%20Primary%20v2nb.jpg

170 ms

0223nationalpark.jpg

0223nationalpark.jpg

191 ms

0223hermitcrabs.jpg

0223hermitcrabs.jpg

193 ms

0222sunblackhole.jpg

0222sunblackhole.jpg

193 ms

0223celltower.jpg

0223celltower.jpg

191 ms

us_wxhi1_1280x720.jpg

us_wxhi1_1280x720.jpg

200 ms

0221coldflue.jpg

0221coldflue.jpg

194 ms

HIGHER%20RISK%20OF%20FLU.jpg

HIGHER%20RISK%20OF%20FLU.jpg

196 ms

1020FeedFeverStarveCold.png

1020FeedFeverStarveCold.png

196 ms

0207sickkids.png

0207sickkids.png

198 ms

NOROVIRUS%202.jpg

NOROVIRUS%202.jpg

196 ms

DrySkinWinter.jpg

DrySkinWinter.jpg

197 ms

Severe_prim_0223a.jpg

Severe_prim_0223a.jpg

207 ms

0223febwarm.jpeg

0223febwarm.jpeg

201 ms

0222-record-highs-promo.png

0222-record-highs-promo.png

200 ms

america-snow-drought-primary.png

america-snow-drought-primary.png

202 ms

Hurricane%20Season%20Outlook%20Primary%20v2nb.jpg

Hurricane%20Season%20Outlook%20Primary%20v2nb.jpg

198 ms

0223nationalpark.jpg

0223nationalpark.jpg

206 ms

0223hermitcrabs.jpg

0223hermitcrabs.jpg

204 ms

0222sunblackhole.jpg

0222sunblackhole.jpg

202 ms

0223celltower.jpg

0223celltower.jpg

202 ms

us_wxhi1_1280x720.jpg

us_wxhi1_1280x720.jpg

208 ms

0221coldflue.jpg

0221coldflue.jpg

204 ms

HIGHER%20RISK%20OF%20FLU.jpg

HIGHER%20RISK%20OF%20FLU.jpg

207 ms

1020FeedFeverStarveCold.png

1020FeedFeverStarveCold.png

209 ms

0207sickkids.png

0207sickkids.png

210 ms

NOROVIRUS%202.jpg

NOROVIRUS%202.jpg

210 ms

DrySkinWinter.jpg

DrySkinWinter.jpg

211 ms

pubads_impl.js

pubads_impl.js

42 ms

Accessibility Review

wunderground.co.nz accessibility score

86

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

wunderground.co.nz 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

Page has valid source maps

SEO Factors

wunderground.co.nz SEO score

86

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

Links do not have descriptive text

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 Wunderground.co.nz 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 Wunderground.co.nz 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

wunderground.co.nz

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