Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

Page Load Speed

938 ms in total

First Response

440 ms

Resources Loaded

450 ms

Page Rendered

48 ms

About Website

Visit os-qa-cht01.edisonlearning.com now to see the best up-to-date Os Qa Cht 01 Edisonlearning content for United States and also check out these interesting facts you probably never knew about os-qa-cht01.edisonlearning.com

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Key Findings

We analyzed Os-qa-cht01.edisonlearning.com page load time and found that the first response time was 440 ms and then it took 498 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

os-qa-cht01.edisonlearning.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value1.0 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

os-qa-cht01.edisonlearning.com

440 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Os-qa-cht01.edisonlearning.com and no external sources were called. The less responsive or slowest element that took the longest time to load (440 ms) belongs to the original domain Os-qa-cht01.edisonlearning.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 20.8 kB (13%)

Content Size

164.4 kB

After Optimization

143.7 kB

In fact, the total size of Os-qa-cht01.edisonlearning.com main page is 164.4 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. CSS take 80.2 kB which makes up the majority of the site volume.

HTML Optimization

-10%

Potential reduce by 6 B

  • Original 58 B
  • After minification 58 B
  • After compression 52 B

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. This web page is already compressed.

Image Optimization

-0%

Potential reduce by 143 B

  • Original 62.2 kB
  • After minification 62.0 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. Os Qa Cht 01 Edisonlearning images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 87 B

  • Original 22.0 kB
  • After minification 22.0 kB
  • After compression 21.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-26%

Potential reduce by 20.5 kB

  • Original 80.2 kB
  • After minification 79.9 kB
  • After compression 59.7 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. Os-qa-cht01.edisonlearning.com needs all CSS files to be minified and compressed as it can save up to 20.5 kB or 26% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

os-qa-cht01.edisonlearning.com accessibility score

71

Accessibility Issues

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

Document doesn't have a <title> element

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

Best Practices

os-qa-cht01.edisonlearning.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

os-qa-cht01.edisonlearning.com SEO score

50

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

Document doesn't have a <title> element

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Os-qa-cht01.edisonlearning.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Os-qa-cht01.edisonlearning.com main page’s claimed encoding is . 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

Open Graph description is not detected on the main page of Os Qa Cht 01 Edisonlearning. 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: