Tools & Wizards About Us

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

dtiusa.org

Columbia Educational Therapy & Learning Center | Discovery Therapies

Page Load Speed

2 sec in total

First Response

180 ms

Resources Loaded

1.3 sec

Page Rendered

508 ms

About Website

Click here to check amazing Dtiusa content. Otherwise, check out these important facts you probably never knew about dtiusa.org

Discovery Therapies is an educational therapy and learning center. We go beyond tutoring and help students struggling in school.

Visit dtiusa.org

Key Findings

We analyzed Dtiusa.org page load time and found that the first response time was 180 ms and then it took 1.8 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

dtiusa.org performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value15.9 s

0/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value1,300 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

dtiusa.org

180 ms

www.dtiusa.org

244 ms

mobirise-icons.css

55 ms

tether.min.css

107 ms

bootstrap.min.css

215 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 64% of them (28 requests) were addressed to the original Dtiusa.org, 11% (5 requests) were made to Youtube.com and 7% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (580 ms) belongs to the original domain Dtiusa.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 56.0 kB (4%)

Content Size

1.4 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dtiusa.org main page is 1.4 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. 80% 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 948.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 20.5 kB

  • Original 26.7 kB
  • After minification 21.9 kB
  • After compression 6.2 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 4.8 kB, which is 18% 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 20.5 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 59 B

  • Original 948.1 kB
  • After minification 948.0 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. Dtiusa images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 32.5 kB

  • Original 292.0 kB
  • After minification 291.8 kB
  • After compression 259.5 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 32.5 kB or 11% of the original size.

CSS Optimization

-3%

Potential reduce by 3.0 kB

  • Original 108.3 kB
  • After minification 107.1 kB
  • After compression 105.4 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. Dtiusa.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (72%)

Requests Now

39

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dtiusa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dtiusa.org accessibility score

83

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

dtiusa.org 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

dtiusa.org SEO score

98

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dtiusa.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Dtiusa.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 data is detected on the main page of Dtiusa. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: