Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

developingchild.harvard.edu

Center on the Developing Child at Harvard University

Page Load Speed

2.1 sec in total

First Response

225 ms

Resources Loaded

1.5 sec

Page Rendered

389 ms

developingchild.harvard.edu screenshot

About Website

Click here to check amazing Developing Child Harvard content for United States. Otherwise, check out these important facts you probably never knew about developingchild.harvard.edu

Our mission is to drive science-based innovation that achieves breakthrough outcomes for children facing adversity.

Visit developingchild.harvard.edu

Key Findings

We analyzed Developingchild.harvard.edu page load time and found that the first response time was 225 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

developingchild.harvard.edu performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value15.0 s

0/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.058

98/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

developingchild.harvard.edu

225 ms

developingchild.harvard.edu

363 ms

stylesAppend.css

86 ms

style.min.css

114 ms

perfect-pullquotes.css

114 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 6% of them (3 requests) were addressed to the original Developingchild.harvard.edu, 65% (35 requests) were made to Harvardcenter.wpenginepowered.com and 13% (7 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (456 ms) relates to the external source Harvardcenter.wpenginepowered.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 183.1 kB (19%)

Content Size

970.2 kB

After Optimization

787.0 kB

In fact, the total size of Developingchild.harvard.edu main page is 970.2 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 460.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 106.0 kB

  • Original 134.4 kB
  • After minification 128.9 kB
  • After compression 28.4 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 106.0 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 460.1 kB
  • After minification 460.1 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. Developing Child Harvard images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 61.1 kB

  • Original 318.5 kB
  • After minification 318.0 kB
  • After compression 257.4 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 61.1 kB or 19% of the original size.

CSS Optimization

-28%

Potential reduce by 16.0 kB

  • Original 57.2 kB
  • After minification 55.1 kB
  • After compression 41.1 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. Developingchild.harvard.edu needs all CSS files to be minified and compressed as it can save up to 16.0 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (73%)

Requests Now

45

After Optimization

12

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Developing Child Harvard. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

developingchild.harvard.edu accessibility score

91

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

developingchild.harvard.edu best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

developingchild.harvard.edu SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

High

Tap targets are not sized appropriately

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 Developingchild.harvard.edu 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 Developingchild.harvard.edu 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 data is detected on the main page of Developing Child Harvard. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: