Tools & Wizards About Us
soptv.pbslearningmedia.org screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 73% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

soptv.pbslearningmedia.org

PBS LearningMedia | Teaching Resources For Students And Teachers

Page Load Speed

974 ms in total

First Response

13 ms

Resources Loaded

845 ms

Page Rendered

116 ms

soptv.pbslearningmedia.org screenshot

About Website

Click here to check amazing Soptv PBS Learning Media content for United States. Otherwise, check out these important facts you probably never knew about soptv.pbslearningmedia.org

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

Visit soptv.pbslearningmedia.org

Key Findings

We analyzed Soptv.pbslearningmedia.org page load time and found that the first response time was 13 ms and then it took 961 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

soptv.pbslearningmedia.org performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value18.2 s

0/100

25%

SI (Speed Index)

Value16.5 s

0/100

10%

TBT (Total Blocking Time)

Value20,580 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.286

42/100

15%

TTI (Time to Interactive)

Value29.1 s

0/100

10%

Network Requests Diagram

soptv.pbslearningmedia.org

13 ms

www.pbslearningmedia.org

82 ms

font-awesome.css

24 ms

jquery-3.2.1.min.js

33 ms

js.cookie.min.js

71 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Soptv.pbslearningmedia.org, 46% (12 requests) were made to Static.pbslearningmedia.org and 19% (5 requests) were made to Www-tc.pbs.org. The less responsive or slowest element that took the longest time to load (171 ms) relates to the external source Data.pendo.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.2 kB (10%)

Content Size

295.2 kB

After Optimization

266.0 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Soptv.pbslearningmedia.org main page is 295.2 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 205.5 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 27.5 kB

  • Original 41.8 kB
  • After minification 41.6 kB
  • After compression 14.3 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 27.5 kB or 66% of the original size.

JavaScript Optimization

-1%

Potential reduce by 1.7 kB

  • Original 205.5 kB
  • After minification 205.5 kB
  • After compression 203.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 15 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. Soptv.pbslearningmedia.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (74%)

Requests Now

19

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Soptv 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 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

soptv.pbslearningmedia.org

soptv.pbslearningmedia.org

13 ms

www.pbslearningmedia.org

www.pbslearningmedia.org

82 ms

font-awesome.css

font-awesome.css

24 ms

jquery-3.2.1.min.js

jquery-3.2.1.min.js

33 ms

js.cookie.min.js

js.cookie.min.js

71 ms

utility.js

utility.js

70 ms

bootstrap-overrides.min.css

bootstrap-overrides.min.css

74 ms

popper.min.js

popper.min.js

80 ms

bootstrap.min.js

bootstrap.min.js

75 ms

polyfills.js

polyfills.js

74 ms

styles.css

styles.css

78 ms

main.js

main.js

120 ms

runtime.js

runtime.js

118 ms

vendor.js

vendor.js

124 ms

gtm.js

gtm.js

107 ms

pendo.js

pendo.js

131 ms

beacon.js

beacon.js

116 ms

PBSSans.woff

PBSSans.woff

112 ms

PBSSans-Medium.woff

PBSSans-Medium.woff

114 ms

PBSSans-Light.woff

PBSSans-Light.woff

113 ms

PBSSans-Bold.woff

PBSSans-Bold.woff

116 ms

PBSSans-Black.woff

PBSSans-Black.woff

123 ms

nr-1216.min.js

nr-1216.min.js

39 ms

33f33e71-b8a2-4711-57b6-cae11b98c10a

33f33e71-b8a2-4711-57b6-cae11b98c10a

157 ms

33f33e71-b8a2-4711-57b6-cae11b98c10a

33f33e71-b8a2-4711-57b6-cae11b98c10a

171 ms

646c3c011e

646c3c011e

73 ms

Accessibility Review

soptv.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

soptv.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

soptv.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 Soptv.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 Soptv.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

soptv.pbslearningmedia.org

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