Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

thirteen.org

THIRTEEN - New York Public Media

Page Load Speed

1.8 sec in total

First Response

27 ms

Resources Loaded

1.3 sec

Page Rendered

469 ms

About Website

Click here to check amazing THIRTEEN content for United States. Otherwise, check out these important facts you probably never knew about thirteen.org

PBS station THIRTEEN is one of America’s most respected and innovative public media providers.

Visit thirteen.org

Key Findings

We analyzed Thirteen.org page load time and found that the first response time was 27 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

thirteen.org performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value4.4 s

73/100

10%

TBT (Total Blocking Time)

Value1,130 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.358

30/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

thirteen.org

27 ms

www.thirteen.org

16 ms

www.thirteen.org

567 ms

gtm.js

70 ms

WNET-vppa-assent.css

31 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 54% of them (27 requests) were addressed to the original Thirteen.org, 14% (7 requests) were made to Fonts.gstatic.com and 10% (5 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (567 ms) belongs to the original domain Thirteen.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 437.2 kB (50%)

Content Size

877.5 kB

After Optimization

440.3 kB

In fact, the total size of Thirteen.org main page is 877.5 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. 65% of websites need less resources to load. Javascripts take 623.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 58.5 kB

  • Original 75.3 kB
  • After minification 73.3 kB
  • After compression 16.8 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 58.5 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 163.6 kB
  • After minification 163.6 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. THIRTEEN images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 378.1 kB

  • Original 623.8 kB
  • After minification 623.8 kB
  • After compression 245.8 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 378.1 kB or 61% of the original size.

CSS Optimization

-4%

Potential reduce by 634 B

  • Original 14.8 kB
  • After minification 14.8 kB
  • After compression 14.2 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. Thirteen.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (65%)

Requests Now

40

After Optimization

14

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of THIRTEEN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

thirteen.org accessibility score

98

Accessibility Issues

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

Links do not have a discernible name

Best Practices

thirteen.org best practices score

92

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

Page has valid source maps

SEO Factors

thirteen.org SEO score

100

Search Engine Optimization Advices

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 Thirteen.org 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 Thirteen.org 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 THIRTEEN. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: