Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

readinga-z.com

Reading A-Z: The online reading program with downloadable books to print and assemble | Reading A-Z

Page Load Speed

2.8 sec in total

First Response

285 ms

Resources Loaded

2.3 sec

Page Rendered

217 ms

readinga-z.com screenshot

About Website

Click here to check amazing Reading A Z content for United States. Otherwise, check out these important facts you probably never knew about readinga-z.com

Award-winning reading solution with thousands of leveled readers, lesson plans, worksheets and assessments to teach guided reading, reading proficiency and comprehension to K-5 students

Visit readinga-z.com

Key Findings

We analyzed Readinga-z.com page load time and found that the first response time was 285 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

readinga-z.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value990 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.059

98/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

readinga-z.com

285 ms

www.readinga-z.com

519 ms

jquery-ui.css

108 ms

_tables--clt_16_02_012-1455575322.css

182 ms

common--clt_16_02_012-1455575322.css

186 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 96% of them (92 requests) were addressed to the original Readinga-z.com, 3% (3 requests) were made to Ssl.google-analytics.com and 1% (1 request) were made to Bat.bing.com. The less responsive or slowest element that took the longest time to load (519 ms) belongs to the original domain Readinga-z.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (56%)

Content Size

2.6 MB

After Optimization

1.1 MB

In fact, the total size of Readinga-z.com main page is 2.6 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. 30% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 56.2 kB

  • Original 69.5 kB
  • After minification 63.2 kB
  • After compression 13.3 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 56.2 kB or 81% of the original size.

Image Optimization

-6%

Potential reduce by 48.4 kB

  • Original 836.0 kB
  • After minification 787.5 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. Reading A Z images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 807.2 kB

  • Original 1.0 MB
  • After minification 762.2 kB
  • After compression 221.6 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 807.2 kB or 78% of the original size.

CSS Optimization

-83%

Potential reduce by 521.7 kB

  • Original 625.0 kB
  • After minification 521.9 kB
  • After compression 103.3 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. Readinga-z.com needs all CSS files to be minified and compressed as it can save up to 521.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (47%)

Requests Now

94

After Optimization

50

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Reading A Z. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

readinga-z.com accessibility score

88

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

Best Practices

readinga-z.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

readinga-z.com SEO score

54

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

High

robots.txt is not valid

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

    EN

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Readinga-z.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 Readinga-z.com main page’s claimed encoding is windows-1252. 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 Reading A Z. 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: