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91 pbs.org Last Updated: 3 years

Success 62% of passed verification steps
Warning 15% of total warning
Errors 23% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 92%
Best Practices Desktop Score 79%
SEO Desktop Score 92%
Progressive Web App Desktop Score 0%
Performance Mobile Score 36%
Best Practices Mobile Score 79%
SEO Mobile Score 90%
Progressive Web App Mobile Score 46%
Page Authority Authority 70%
Domain Authority Domain Authority 93%
Moz Rank 7.0/10
Bounce Rate Rate 0%
charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 32 Characters
PBS: PUBLIC BROADCASTING SERVICE
Meta Description 201 Characters
Watch full episodes of your favorite PBS shows, explore music and the arts, find in-depth news analysis, and more. Home to Antiques Roadshow, Frontline, NOVA, PBS Newshour, Masterpiece and many others.
Effective URL 19 Characters
https://www.pbs.org
Excerpt Page content
PBS: Public Broadcasting ServiceSkip to Main ContentSearchCloseMenuClosePBSSearchSearch PBSSearchSign InSigned in AsPassportMenu for ...DownMy ListViewing HistorySettings GearProfileSign OutContinue WatchingBrowseHome Shows (Has dropdown)...
Keywords Cloud Density
right29 video22 share17 facebook16 twitter14 shop10 sign9 passport9 list9 watch9
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
right 29
video 22
share 17
facebook 16
twitter 14
shop 10
sign 9
passport 9
list 9
watch 9
Google Preview Your look like this in google search result
PBS: PUBLIC BROADCASTING SERVICE
https://www.pbs.org
Watch full episodes of your favorite PBS shows, explore music and the arts, find in-depth news analysis, and more. Home to Antiques Roadshow, Frontlin
Robots.txt File Detected
Sitemap.xml File No Found
Whois Is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system
Updated: 2020-07-22 / 3 years
Create on: 1995-04-19 / 28 years
Expires on: 2022-04-20 / 17 months 14 days

CSC Corporate Domains, Inc. ,US
Registrar Whois Server: whois.cscglobal.com
Registrar URL: www.cscglobal.com/global/web/csc/digital-brand

Nameservers
NS-1230.AWSDNS-25.ORG
NS-193.AWSDNS-24.COM
NS-1674.AWSDNS-17.CO.UK
NS-806.AWSDNS-36.NET
Page Size Code & Text Ratio
Document Size: ~232.86 KB
Code Size: ~220.77 KB
Text Size: ~12.09 KB Ratio: 5.19%

Social Data

Delicious Total: 0
Facebook Total: 169,424
Google Total: 0
Linkedin Total: 0
Pinterest Total: 232
Stumbleupon Total: 0
Tumblr Total: 0
Vk Total: 0

Estimation Traffic and Earnings

68,437
Unique Visits
Daily
126,608
Pages Views
Daily
$122
Income
Daily
1,916,236
Unique Visits
Monthly
3,608,328
Pages Views
Monthly
$3,050
Income
Monthly
22,173,588
Unique Visits
Yearly
42,540,288
Pages Views
Yearly
$32,208
Income
Yearly

Technologies

PWA - Manifest

PBS Video PBS Video PBS Video

The web app manifest is a simple JSON file that gives you, the developer, the ability to control how your app appears to the user in areas where they would expect to see apps (for example, a mobile device's home screen)
Param name
PBS Video
Param short_name
PBS Video
Param theme_color
#ffffff
Param background_color
#ffffff
Param display
standalone
Param start_url
/
Param prefer_related_applications
1

Desktop

Desktop Screenshot
Avoids enormous network payloads Total size was 1,125 KiB
Large network payloads cost users real money and are highly correlated with long load times
Time to Interactive 2.0 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Uses deprecated APIs 1 warning found
Deprecated APIs will eventually be removed from the browser
Avoid long main-thread tasks 3 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
Remove unused CSS Potential savings of 17 KiB
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity
Server Backend Latencies 0 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance
User Timing marks and measures 1 user timing
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences
Largest Contentful Paint 1.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Preload key requests Potential savings of 190 ms
Consider using `<link rel=preload>` to prioritize fetching resources that are currently requested later in page load
Largest Contentful Paint element 1 element found
This is the largest contentful element painted within the viewport
First Meaningful Paint 0.4 s
First Meaningful Paint measures when the primary content of a page is visible
Total Blocking Time 150 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Properly size images Potential savings of 39 KiB
Serve images that are appropriately-sized to save cellular data and improve load time
Serve static assets with an efficient cache policy 7 resources found
A long cache lifetime can speed up repeat visits to your page
Avoid serving legacy JavaScript to modern browsers Potential savings of 39 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. However, many aren't necessary for modern browsers. For your bundled JavaScript, adopt a modern script deployment strategy using module/nomodule feature detection to reduce the amount of code shipped to modern browsers, while retaining support for legacy browsers
Keep request counts low and transfer sizes small 67 requests • 1,125 KiB
To set budgets for the quantity and size of page resources, add a budget.json file
JavaScript execution time 0.8 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Max Potential First Input Delay 140 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
Avoid large layout shifts 5 elements found
These DOM elements contribute most to the CLS of the page.
Speed Index 1.0 s
Speed Index shows how quickly the contents of a page are visibly populated
Minimize third-party usage Third-party code blocked the main thread for 0 ms
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading
First Contentful Paint 0.4 s
First Contentful Paint marks the time at which the first text or image is painted
Initial server response time was short Root document took 60 ms
Keep the server response time for the main document short because all other requests depend on it
Minify JavaScript Potential savings of 9 KiB
Minifying JavaScript files can reduce payload sizes and script parse time
Eliminate render-blocking resources Potential savings of 50 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Estimated Input Latency 20 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy
Cumulative Layout Shift 0.014
Cumulative Layout Shift measures the movement of visible elements within the viewport
Page load is not fast enough on mobile networks Interactive on simulated mobile network at 10.6 s
A fast page load over a cellular network ensures a good mobile user experience
Avoids large JavaScript libraries with smaller alternatives 0 large libraries found
Large JavaScript libraries can lead to poor performance. Prefer smaller, functionally equivalent libraries to reduce your bundle size
Minimizes main-thread work 1.5 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
Avoid an excessive DOM size 1,578 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)
Avoid chaining critical requests 9 chains found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load
Remove unused JavaScript Potential savings of 220 KiB
Remove unused JavaScript to reduce bytes consumed by network activity
First CPU Idle 1.9 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle/).
Network Round Trip Times 0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance

Mobile

Mobile Screenshot
Initial server response time was short Root document took 80 ms
Keep the server response time for the main document short because all other requests depend on it
Serve static assets with an efficient cache policy 9 resources found
A long cache lifetime can speed up repeat visits to your page
Avoids enormous network payloads Total size was 1,342 KiB
Large network payloads cost users real money and are highly correlated with long load times
Reduce the impact of third-party code Third-party code blocked the main thread for 540 ms
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading
Avoid large layout shifts 5 elements found
These DOM elements contribute most to the CLS of the page.
Max Potential First Input Delay 750 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
Time to Interactive 11.3 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Total Blocking Time 1,620 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Efficiently encode images Potential savings of 10 KiB
Optimized images load faster and consume less cellular data
Preload key requests Potential savings of 1,080 ms
Consider using `<link rel=preload>` to prioritize fetching resources that are currently requested later in page load
Estimated Input Latency 210 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy
Minify JavaScript Potential savings of 9 KiB
Minifying JavaScript files can reduce payload sizes and script parse time
First Contentful Paint (3G) 3090 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Reduce JavaScript execution time 4.9 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Cumulative Layout Shift 0.764
Cumulative Layout Shift measures the movement of visible elements within the viewport
Speed Index 5.5 s
Speed Index shows how quickly the contents of a page are visibly populated
Avoid chaining critical requests 9 chains found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load
First Contentful Paint 1.6 s
First Contentful Paint marks the time at which the first text or image is painted
Network Round Trip Times 0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance
Defer offscreen images Potential savings of 54 KiB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
First Meaningful Paint 1.6 s
First Meaningful Paint measures when the primary content of a page is visible
First CPU Idle 9.7 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle/).
Page load is not fast enough on mobile networks Interactive at 11.3 s
A fast page load over a cellular network ensures a good mobile user experience
Tap targets are not sized appropriately 71% appropriately sized tap targets
Interactive elements like buttons and links should be large enough (48x48px), and have enough space around them, to be easy enough to tap without overlapping onto other elements
Minimize main-thread work 6.9 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
Eliminate render-blocking resources Potential savings of 330 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Avoid an excessive DOM size 1,581 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)
Remove unused CSS Potential savings of 30 KiB
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity
Document uses legible font sizes 91.66% legible text
Font sizes less than 12px are too small to be legible and require mobile visitors to “pinch to zoom” in order to read. Strive to have >60% of page text ≥12px
Properly size images Potential savings of 122 KiB
Serve images that are appropriately-sized to save cellular data and improve load time
Uses deprecated APIs 1 warning found
Deprecated APIs will eventually be removed from the browser
User Timing marks and measures 1 user timing
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences
Avoid long main-thread tasks 20 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
Avoids large JavaScript libraries with smaller alternatives 0 large libraries found
Large JavaScript libraries can lead to poor performance. Prefer smaller, functionally equivalent libraries to reduce your bundle size
Server Backend Latencies 0 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance
Largest Contentful Paint 4.5 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Remove unused JavaScript Potential savings of 213 KiB
Remove unused JavaScript to reduce bytes consumed by network activity
Largest Contentful Paint element 1 element found
This is the largest contentful element painted within the viewport
Keep request counts low and transfer sizes small 69 requests • 1,342 KiB
To set budgets for the quantity and size of page resources, add a budget.json file
Serve images in next-gen formats Potential savings of 14 KiB
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption
Avoid serving legacy JavaScript to modern browsers Potential savings of 39 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. However, many aren't necessary for modern browsers. For your bundled JavaScript, adopt a modern script deployment strategy using module/nomodule feature detection to reduce the amount of code shipped to modern browsers, while retaining support for legacy browsers

Speed And Optimization Tips

Website speed has a huge impact on performance, affecting user experience, conversion rates and even rankings. ‪‬‬By reducing page load-times, users are less likely to get distracted and the search engines are more likely to reward you by ranking you
Title Website
Congratulations! Your title is optimized
Description Website
Warning! Your description is not optimized
Robots.txt
Congratulations! Your site have a robots.txt file
Sitemap.xml
Warning! Not found a sitemap file for your website
SSL Secure
Congratulations! Your site have Support to HTTPS
Headings
Congratulations! You are using your H1 and H2 tags in your site
Blacklist
Congratulations! Your site is not listed in a blacklist
W3C Validator
Warning! Your site have errors W3C
Accelerated Mobile Pages (AMP)
Warning! Your site not have AMP Version
Domain Authority
Congratulations! Your Domain Authority is good
GZIP Compress
Warning! Your site not is compressed, this can make slower response for the visitors
Favicon
Congratulations! Your website appears to have a favicon.
Broken Links
Congratulations! You not have broken links View links

Alexa Rank

2,054

Global Rank

451

United States
Traffic
Search

Domain Available

Domain (TDL) and Typo Status
pbs.co Available Buy Now!
pbs.us Available Buy Now!
pbs.com Available Buy Now!
pbs.org Available Buy Now!
pbs.net Available Buy Now!
ps.org Available Buy Now!
lbs.org Available Buy Now!

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server
HTTP/2 200 
content-type: text/html; charset=utf-8
server: nginx
date: Tue, 03 Nov 2020 03:01:11 GMT
vary: Accept-Encoding
expires: Tue, 03 Nov 2020 03:09:38 GMT
cache-control: max-age=600
vary: Cloudfront-Viewer-Country, Cookie
x-content-type-options: nosniff
referrer-policy: no-referrer-when-downgrade
x-frame-options: DENY
etag: W/"d8e018d5ef41c40ad5a9de4e54f2b7ea"
x-cache-fs-status: HIT
x-pbs-fwsrvname: fwcacheproxy9
content-encoding: gzip
x-cache: Miss from cloudfront
via: 1.1 4d97f94583f1e10ee7186f0faa691d13.cloudfront.net (CloudFront)
x-amz-cf-pop: YTO50-C3
x-amz-cf-id: k8y0WSxC7dRe0jbgDD9nWVzfZ8tEtxkix5uMdvZQgHOVmTCh5p4aVw==
DNS Records DNS Resource Records associated with a hostname
View DNS Records

Comments