Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

z100.iheart.com

Z100 New York - New York's #1 Hit Music Station & Elvis Duran Show!

Page Load Speed

656 ms in total

First Response

88 ms

Resources Loaded

483 ms

Page Rendered

85 ms

z100.iheart.com screenshot

About Website

Click here to check amazing Z100 Iheart content for United States. Otherwise, check out these important facts you probably never knew about z100.iheart.com

Z100 is New York's #1 Hit Music Station - featuring hit music radio and Elvis Duran, Ryan Seacrest live from New York City at Z100.com and iHeartRadio.

Visit z100.iheart.com

Key Findings

We analyzed Z100.iheart.com page load time and found that the first response time was 88 ms and then it took 568 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

z100.iheart.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value7,400 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.308

38/100

15%

TTI (Time to Interactive)

Value30.9 s

0/100

10%

Network Requests Diagram

z100.iheart.com

88 ms

bundle.cd0526b54749d3acd9a0.css

72 ms

local.bc06f128f534d4a5d747.css

79 ms

core-components-tiles-OnairTileLoader-component.12f62d6d6ad5771d626e.css

84 ms

core-page-blocks-datasource-DatasourceLoader-component.ed118ca85e0cefc658b6.css

79 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Z100.iheart.com, 84% (48 requests) were made to Static.inferno.iheart.com and 4% (2 requests) were made to Z.moatads.com. The less responsive or slowest element that took the longest time to load (325 ms) relates to the external source Applets.ebxcdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (60%)

Content Size

2.0 MB

After Optimization

818.0 kB

In fact, the total size of Z100.iheart.com main page is 2.0 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. 70% of websites need less resources to load. HTML takes 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 1.0 MB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 216.6 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 1.0 MB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 4.0 kB
  • After minification 4.0 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. Z100 Iheart images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 179.7 kB

  • Original 749.5 kB
  • After minification 749.5 kB
  • After compression 569.8 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 179.7 kB or 24% of the original size.

CSS Optimization

-5%

Potential reduce by 1.4 kB

  • Original 28.9 kB
  • After minification 28.7 kB
  • After compression 27.5 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. Z100.iheart.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 49 (88%)

Requests Now

56

After Optimization

7

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Z100 Iheart. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

z100.iheart.com accessibility score

100

Accessibility Issues

Best Practices

z100.iheart.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

z100.iheart.com SEO score

93

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

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 Z100.iheart.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 Z100.iheart.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 Z100 Iheart. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: