Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

readtheory.org

ReadTheory | Free Reading Comprehension Practice for Students and Teachers

Page Load Speed

1.1 sec in total

First Response

59 ms

Resources Loaded

718 ms

Page Rendered

341 ms

readtheory.org screenshot

About Website

Welcome to readtheory.org homepage info - get ready to check Read Theory best content for United States right away, or after learning these important things about readtheory.org

Reading comprehension exercises — online, free, & adaptive. Fits K-12, ESL and adult students. Easily track progress for the entire class.

Visit readtheory.org

Key Findings

We analyzed Readtheory.org page load time and found that the first response time was 59 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 20% of websites can load faster.

Performance Metrics

readtheory.org performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value2,360 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value21.0 s

1/100

10%

Network Requests Diagram

readtheory.org

59 ms

www.readtheory.org

80 ms

cU6v3gFdrw4tOpo0Relq96l8V04G3qIY3rqGYYy9lwW.js

52 ms

lP0a4jofphuRRNTj4zVHFUeehh3tF3Nv3fWtdJ1QlmR.css

75 ms

Vn7TklDIZBg1IIGFEaXVZn7O2DSOYMWzaljxVHXXDcw.js

109 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 71% of them (27 requests) were addressed to the original Readtheory.org, 21% (8 requests) were made to Use.typekit.net and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (215 ms) relates to the external source Use.typekit.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 390.8 kB (47%)

Content Size

825.7 kB

After Optimization

434.9 kB

In fact, the total size of Readtheory.org main page is 825.7 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. 40% of websites need less resources to load. Javascripts take 344.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 60.3 kB

  • Original 77.8 kB
  • After minification 74.6 kB
  • After compression 17.5 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 60.3 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 10.9 kB

  • Original 291.2 kB
  • After minification 280.4 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. Read Theory images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 231.8 kB

  • Original 344.8 kB
  • After minification 344.8 kB
  • After compression 113.0 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 231.8 kB or 67% of the original size.

CSS Optimization

-79%

Potential reduce by 87.9 kB

  • Original 111.9 kB
  • After minification 111.9 kB
  • After compression 24.0 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. Readtheory.org needs all CSS files to be minified and compressed as it can save up to 87.9 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (17%)

Requests Now

29

After Optimization

24

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Read Theory. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

readtheory.org accessibility score

92

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

<frame> or <iframe> elements do not have a title

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Best Practices

readtheory.org best practices score

92

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

Page has valid source maps

SEO Factors

readtheory.org SEO score

79

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 Readtheory.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 Readtheory.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

Open Graph description is not detected on the main page of Read Theory. 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: