Tools & Wizards About Us

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

nbc15.com

WMTV 15 NEWS | Breaking News, Weather, Sports | Madison, WI

Page Load Speed

5.3 sec in total

First Response

97 ms

Resources Loaded

3.5 sec

Page Rendered

1.8 sec

About Website

Welcome to nbc15.com homepage info - get ready to check Nbc 15 best content for United States right away, or after learning these important things about nbc15.com

Bringing you Breaking News, First Alert Weather, 15 News Investigates reports, along with the stories that make Madison and southern Wisconsin stand out.

Visit nbc15.com

Key Findings

We analyzed Nbc15.com page load time and found that the first response time was 97 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

nbc15.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value17.3 s

0/100

25%

SI (Speed Index)

Value23.2 s

0/100

10%

TBT (Total Blocking Time)

Value6,600 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value45.7 s

0/100

10%

Network Requests Diagram

nbc15.com

97 ms

www.wmtv15news.com

221 ms

polyfill.js

60 ms

react.js

56 ms

default.js

63 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Nbc15.com, 38% (41 requests) were made to Gray-wmtv-prod.cdn.arcpublishing.com and 8% (9 requests) were made to Api-esp.piano.io. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Webpubcontent.gray.tv.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (26%)

Content Size

4.7 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nbc15.com main page is 4.7 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. Only a small number of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 738.4 kB

  • Original 885.1 kB
  • After minification 884.4 kB
  • After compression 146.8 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 738.4 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 59.5 kB

  • Original 3.0 MB
  • After minification 2.9 MB

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. Nbc 15 images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 397.2 kB

  • Original 735.3 kB
  • After minification 735.3 kB
  • After compression 338.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 397.2 kB or 54% of the original size.

CSS Optimization

-7%

Potential reduce by 4.9 kB

  • Original 74.9 kB
  • After minification 74.9 kB
  • After compression 70.1 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. Nbc15.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 38 (38%)

Requests Now

101

After Optimization

63

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nbc 15. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

nbc15.com accessibility score

84

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

button, link, and menuitem elements do not have accessible names.

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

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

nbc15.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

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

nbc15.com SEO score

78

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

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

High

Tap targets are not sized appropriately

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 Nbc15.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 Nbc15.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 Nbc 15. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: