Tools & Wizards About Us
teachinghistory100.org screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

teachinghistory100.org

Web Hosting, Reseller Hosting & Domain Names from Heart Internet

Page Load Speed

5 sec in total

First Response

200 ms

Resources Loaded

4.4 sec

Page Rendered

417 ms

teachinghistory100.org screenshot

About Website

Click here to check amazing Teachinghistory 100 content for United States. Otherwise, check out these important facts you probably never knew about teachinghistory100.org

Reseller Hosting, Web Hosting, Dedicated Servers & Domain Names | Heart Internet

Visit teachinghistory100.org

Key Findings

We analyzed Teachinghistory100.org page load time and found that the first response time was 200 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

teachinghistory100.org performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.549

13/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

teachinghistory100.org

200 ms

teachinghistory100.org

1698 ms

font-awesome.css

190 ms

main.css

379 ms

jquery.min.js

13 ms

Our browser made a total of 222 requests to load all elements on the main page. We found that 98% of them (218 requests) were addressed to the original Teachinghistory100.org, 0% (1 request) were made to Ajax.googleapis.com and 0% (1 request) were made to S3.amazonaws.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Teachinghistory100.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 377.3 kB (24%)

Content Size

1.6 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Teachinghistory100.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. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 70.0 kB

  • Original 78.6 kB
  • After minification 72.6 kB
  • After compression 8.5 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 70.0 kB or 89% of the original size.

Image Optimization

-4%

Potential reduce by 39.7 kB

  • Original 1.1 MB
  • After minification 1.1 MB

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. Teachinghistory 100 images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 213.8 kB

  • Original 320.7 kB
  • After minification 318.2 kB
  • After compression 106.9 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 213.8 kB or 67% of the original size.

CSS Optimization

-85%

Potential reduce by 53.8 kB

  • Original 63.4 kB
  • After minification 48.9 kB
  • After compression 9.7 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. Teachinghistory100.org needs all CSS files to be minified and compressed as it can save up to 53.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (10%)

Requests Now

120

After Optimization

108

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Teachinghistory 100. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

teachinghistory100.org

teachinghistory100.org

200 ms

teachinghistory100.org

teachinghistory100.org

1698 ms

font-awesome.css

font-awesome.css

190 ms

main.css

main.css

379 ms

jquery.min.js

jquery.min.js

13 ms

jquery-ui.min.js

jquery-ui.min.js

473 ms

imgtosvg.min.js

imgtosvg.min.js

289 ms

email.min.js

email.min.js

290 ms

pdf.min.js

pdf.min.js

292 ms

jquery.history.js

jquery.history.js

394 ms

nwmatcher-1.2.5-min.js

nwmatcher-1.2.5-min.js

31 ms

selectivizr-min.js

selectivizr-min.js

389 ms

matchMedia.js

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389 ms

matchMedia.addListener.js

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389 ms

uc.js

uc.js

29 ms

browse_search.min.js

browse_search.min.js

488 ms

gtm.js

gtm.js

100 ms

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124 ms

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203 ms

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460 ms

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184 ms

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141 ms

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159 ms

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141 ms

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162 ms

Ur_standard_square.jpg

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294 ms

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291 ms

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306 ms

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277 ms

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145 ms

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168 ms

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244 ms

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255 ms

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274 ms

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249 ms

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330 ms

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254 ms

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283 ms

Accessibility Review

teachinghistory100.org accessibility score

63

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

teachinghistory100.org best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

teachinghistory100.org SEO score

58

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Teachinghistory100.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 Teachinghistory100.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

teachinghistory100.org

Open Graph description is not detected on the main page of Teachinghistory 100. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: