5.2 sec in total
622 ms
3.7 sec
819 ms
Visit www-cache.pbs.org now to see the best up-to-date Www Cache PBS content for United States and also check out these interesting facts you probably never knew about www-cache.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, Frontline, NOVA, PBS Newshour, Masterpiece and many others...
Visit www-cache.pbs.orgWe analyzed Www-cache.pbs.org page load time and found that the first response time was 622 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
www-cache.pbs.org performance score
name
value
score
weighting
Value2.1 s
80/100
10%
Value6.4 s
10/100
25%
Value4.7 s
69/100
10%
Value1,310 ms
18/100
30%
Value0.021
100/100
15%
Value11.6 s
18/100
10%
622 ms
547 ms
33 ms
23 ms
38 ms
Our browser made a total of 87 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Www-cache.pbs.org, 24% (21 requests) were made to Image.pbs.org and 18% (16 requests) were made to Dl47xs20witg8.cloudfront.net. The less responsive or slowest element that took the longest time to load (879 ms) relates to the external source Googletagservices.com.
Page size can be reduced by 797.4 kB (48%)
1.6 MB
851.0 kB
In fact, the total size of Www-cache.pbs.org main page is 1.6 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. 70% of websites need less resources to load. Javascripts take 741.3 kB which makes up the majority of the site volume.
Potential reduce by 151.6 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 151.6 kB or 83% of the original size.
Potential reduce by 38.3 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. Www Cache PBS images are well optimized though.
Potential reduce by 483.2 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 483.2 kB or 65% of the original size.
Potential reduce by 124.2 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. Www-cache.pbs.org needs all CSS files to be minified and compressed as it can save up to 124.2 kB or 81% of the original size.
Number of requests can be reduced by 38 (49%)
78
40
The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Www Cache PBS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
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www-cache.pbs.org accessibility score
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
[aria-*] attributes do not match their roles
www-cache.pbs.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
www-cache.pbs.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Www-cache.pbs.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Www-cache.pbs.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.
www-cache.pbs.org
Open Graph data is detected on the main page of Www Cache PBS. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: