Tools & Wizards About Us
rigby.hmhco.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

rigby.hmhco.com

Rigby PM Leveled Readers | K–5 Reading Books | Houghton Mifflin Harcourt

Page Load Speed

1 sec in total

First Response

10 ms

Resources Loaded

661 ms

Page Rendered

360 ms

rigby.hmhco.com screenshot

About Website

Click here to check amazing Rigby Hmhco content for United States. Otherwise, check out these important facts you probably never knew about rigby.hmhco.com

Find the right fit for K-5 readers with Rigby PM Leveled Readers. HMH Rigby PM books offers small-group and individual reading instruction.

Visit rigby.hmhco.com

Key Findings

We analyzed Rigby.hmhco.com page load time and found that the first response time was 10 ms and then it took 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

rigby.hmhco.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value2,800 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value18.3 s

3/100

10%

Network Requests Diagram

rigby.hmhco.com

10 ms

rigby.hmhco.com

20 ms

rigby-pm-leveled-readers

189 ms

script.js

109 ms

gtm.js

197 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Rigby.hmhco.com, 53% (21 requests) were made to S3.amazonaws.com and 25% (10 requests) were made to Hmhco.com. The less responsive or slowest element that took the longest time to load (227 ms) relates to the external source S3.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 418.7 kB (25%)

Content Size

1.7 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Rigby.hmhco.com main page is 1.7 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. 65% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-95%

Potential reduce by 330.0 kB

  • Original 348.8 kB
  • After minification 135.2 kB
  • After compression 18.8 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. This page needs HTML code to be minified as it can gain 213.6 kB, which is 61% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 330.0 kB or 95% of the original size.

Image Optimization

-7%

Potential reduce by 87.2 kB

  • Original 1.3 MB
  • After minification 1.2 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. Rigby Hmhco images are well optimized though.

CSS Optimization

-3%

Potential reduce by 1.5 kB

  • Original 51.1 kB
  • After minification 51.1 kB
  • After compression 49.6 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. Rigby.hmhco.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (16%)

Requests Now

31

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rigby Hmhco. 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.

Network Requests Diagram

rigby.hmhco.com

rigby.hmhco.com

10 ms

rigby.hmhco.com

rigby.hmhco.com

20 ms

rigby-pm-leveled-readers

rigby-pm-leveled-readers

189 ms

script.js

script.js

109 ms

gtm.js

gtm.js

197 ms

vendors.84b949ffc0567f08314e.js

vendors.84b949ffc0567f08314e.js

60 ms

app.2a3e9778c2f6c3dde55e.js

app.2a3e9778c2f6c3dde55e.js

60 ms

app.228e710fd736812bf079.css

app.228e710fd736812bf079.css

63 ms

Literacy-EdTech-Gated_1.png

Literacy-EdTech-Gated_1.png

134 ms

Literacy-SoR-eBook_2.png

Literacy-SoR-eBook_2.png

124 ms

Math-EdTech-Gated_1.png

Math-EdTech-Gated_1.png

194 ms

Math-Optiming-the-Math-Classroom_2.png

Math-Optiming-the-Math-Classroom_2.png

116 ms

Science-Activities-Calendar_1.png

Science-Activities-Calendar_1.png

132 ms

SS-Activities-Calendar-2.png

SS-Activities-Calendar-2.png

123 ms

SS-Keeping-it-Current_2.png

SS-Keeping-it-Current_2.png

133 ms

Professional-Development-building-Your-School-Culture-ebook_1.png

Professional-Development-building-Your-School-Culture-ebook_1.png

148 ms

PD-SEL_2.png

PD-SEL_2.png

183 ms

More-Reading-Intervention-Handbook_1.png

More-Reading-Intervention-Handbook_1.png

180 ms

More-Math-Intervention_2.png

More-Math-Intervention_2.png

181 ms

Resources-building-Your-School-Culture-ebook_2.png

Resources-building-Your-School-Culture-ebook_2.png

182 ms

Company-Careers_1.png

Company-Careers_1.png

205 ms

Company-accessibility-site_2.png

Company-accessibility-site_2.png

191 ms

WF1663507-jille.png

WF1663507-jille.png

191 ms

facebook2.svg

facebook2.svg

198 ms

x-logo-black.svg

x-logo-black.svg

201 ms

linkedin2.svg

linkedin2.svg

200 ms

instagram2.svg

instagram2.svg

209 ms

pinterest2.svg

pinterest2.svg

227 ms

youtube2.svg

youtube2.svg

208 ms

609

609

71 ms

d4823ecea58358b88adac0018367f05c

d4823ecea58358b88adac0018367f05c

14 ms

3274b216f3fc63a79f915c935100058c

3274b216f3fc63a79f915c935100058c

8 ms

LB-Zone-3

LB-Zone-3

120 ms

35098C_6_0.woff

35098C_6_0.woff

11 ms

35098C_11_0.woff

35098C_11_0.woff

34 ms

35098C_13_0.woff

35098C_13_0.woff

33 ms

35098C_7_0.woff

35098C_7_0.woff

94 ms

35098C_10_0.woff

35098C_10_0.woff

92 ms

35098C_12_0.woff

35098C_12_0.woff

33 ms

609

609

88 ms

Accessibility Review

rigby.hmhco.com accessibility score

99

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

rigby.hmhco.com 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

Missing source maps for large first-party JavaScript

SEO Factors

rigby.hmhco.com SEO score

93

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

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 Rigby.hmhco.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 Rigby.hmhco.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

rigby.hmhco.com

Open Graph data is detected on the main page of Rigby Hmhco. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: