Tools & Wizards About Us
wpt.pbslearningmedia.org screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

wpt.pbslearningmedia.org

PBS LearningMedia | Teaching Resources For Students And Teachers

Page Load Speed

1.2 sec in total

First Response

86 ms

Resources Loaded

1.1 sec

Page Rendered

79 ms

wpt.pbslearningmedia.org screenshot

About Website

Visit wpt.pbslearningmedia.org now to see the best up-to-date Wpt PBS Learning Media content for United States and also check out these interesting facts you probably never knew about wpt.pbslearningmedia.org

Inspire your students with thousands of free teaching resources including videos, lesson plans, and games aligned to state and national standards.

Visit wpt.pbslearningmedia.org

Key Findings

We analyzed Wpt.pbslearningmedia.org page load time and found that the first response time was 86 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

wpt.pbslearningmedia.org performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value7.2 s

29/100

10%

TBT (Total Blocking Time)

Value1,550 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.66

8/100

15%

TTI (Time to Interactive)

Value15.9 s

6/100

10%

Network Requests Diagram

wpt.pbslearningmedia.org

86 ms

www.pbslearningmedia.org

187 ms

font-awesome.css

160 ms

jquery-3.2.1.min.js

171 ms

js.cookie.min.js

170 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Wpt.pbslearningmedia.org, 55% (12 requests) were made to Static.pbslearningmedia.org and 23% (5 requests) were made to Www-tc.pbs.org. The less responsive or slowest element that took the longest time to load (298 ms) relates to the external source Static.pbslearningmedia.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 28.1 kB (10%)

Content Size

284.6 kB

After Optimization

256.6 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Wpt.pbslearningmedia.org main page is 284.6 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. 70% of websites need less resources to load. Javascripts take 195.7 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 27.0 kB

  • Original 41.1 kB
  • After minification 40.9 kB
  • After compression 14.1 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 27.0 kB or 66% of the original size.

JavaScript Optimization

-1%

Potential reduce by 1.0 kB

  • Original 195.7 kB
  • After minification 195.7 kB
  • After compression 194.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 11 B

  • Original 47.9 kB
  • After minification 47.9 kB
  • After compression 47.9 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. Wpt.pbslearningmedia.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (73%)

Requests Now

15

After Optimization

4

  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wpt PBS Learning Media. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

wpt.pbslearningmedia.org

wpt.pbslearningmedia.org

86 ms

www.pbslearningmedia.org

www.pbslearningmedia.org

187 ms

font-awesome.css

font-awesome.css

160 ms

jquery-3.2.1.min.js

jquery-3.2.1.min.js

171 ms

js.cookie.min.js

js.cookie.min.js

170 ms

utility.js

utility.js

205 ms

bootstrap-overrides.min.css

bootstrap-overrides.min.css

212 ms

popper.min.js

popper.min.js

220 ms

bootstrap.min.js

bootstrap.min.js

222 ms

polyfills.js

polyfills.js

245 ms

styles.css

styles.css

242 ms

main.js

main.js

241 ms

runtime.js

runtime.js

239 ms

vendor.js

vendor.js

298 ms

gtm.js

gtm.js

211 ms

pendo.js

pendo.js

259 ms

PBSSans.woff

PBSSans.woff

256 ms

PBSSans-Medium.woff

PBSSans-Medium.woff

258 ms

PBSSans-Light.woff

PBSSans-Light.woff

258 ms

PBSSans-Bold.woff

PBSSans-Bold.woff

257 ms

PBSSans-Black.woff

PBSSans-Black.woff

258 ms

beacon.js

beacon.js

116 ms

Accessibility Review

wpt.pbslearningmedia.org accessibility score

89

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

[aria-*] attributes do not match their roles

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

wpt.pbslearningmedia.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

wpt.pbslearningmedia.org 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 Wpt.pbslearningmedia.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 Wpt.pbslearningmedia.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

wpt.pbslearningmedia.org

Open Graph data is detected on the main page of Wpt PBS Learning Media. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: