Tools & Wizards About Us

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

teacherstore.discovery.com

Digital Learning Platform & Resources | Discovery Education

Page Load Speed

1.9 sec in total

First Response

11 ms

Resources Loaded

1.5 sec

Page Rendered

339 ms

About Website

Click here to check amazing Teacherstore Discovery content for United States. Otherwise, check out these important facts you probably never knew about teacherstore.discovery.com

Discovery Education inspires educators to go beyond traditional learning with award-winning digital content and professional development. Learn more today!

Visit teacherstore.discovery.com

Key Findings

We analyzed Teacherstore.discovery.com page load time and found that the first response time was 11 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

teacherstore.discovery.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value28.8 s

0/100

25%

SI (Speed Index)

Value14.2 s

1/100

10%

TBT (Total Blocking Time)

Value6,140 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value29.8 s

0/100

10%

Network Requests Diagram

teacherstore.discovery.com

11 ms

store.discoveryeducation.com

25 ms

www.discoveryeducation.com

40 ms

select2.min.css

22 ms

iconfonts.css

47 ms

Our browser made a total of 150 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Teacherstore.discovery.com, 84% (126 requests) were made to Discoveryeducation.com and 6% (9 requests) were made to Www-media.discoveryeducation.com. The less responsive or slowest element that took the longest time to load (997 ms) relates to the external source Www-media.discoveryeducation.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (43%)

Content Size

2.8 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Teacherstore.discovery.com main page is 2.8 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. Only a small number of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 329.5 kB

  • Original 377.6 kB
  • After minification 364.4 kB
  • After compression 48.1 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 329.5 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 202 B

  • Original 306.4 kB
  • After minification 306.2 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. Teacherstore Discovery images are well optimized though.

JavaScript Optimization

-40%

Potential reduce by 475.5 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 701.4 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 475.5 kB or 40% of the original size.

CSS Optimization

-42%

Potential reduce by 393.5 kB

  • Original 937.9 kB
  • After minification 937.3 kB
  • After compression 544.4 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. Teacherstore.discovery.com needs all CSS files to be minified and compressed as it can save up to 393.5 kB or 42% of the original size.

Requests Breakdown

Number of requests can be reduced by 125 (91%)

Requests Now

137

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 137 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Teacherstore Discovery. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 68 to 1 for JavaScripts and from 59 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

teacherstore.discovery.com accessibility score

96

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

teacherstore.discovery.com best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

teacherstore.discovery.com SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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 Teacherstore.discovery.com 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 Teacherstore.discovery.com 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 Teacherstore Discovery. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: