Tools & Wizards About Us

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

dtrstudybuddy.com

DTR Exam Guide - DTR Exam Questions - DTR STUDY BUDDY

Page Load Speed

605 ms in total

First Response

135 ms

Resources Loaded

374 ms

Page Rendered

96 ms

About Website

Click here to check amazing DTR STUDY BUDDY content. Otherwise, check out these important facts you probably never knew about dtrstudybuddy.com

DTR Study Buddy is a study guide and review manual for the DTR examination. It is the oldest and most recommended DTR exam review available.

Visit dtrstudybuddy.com

Key Findings

We analyzed Dtrstudybuddy.com page load time and found that the first response time was 135 ms and then it took 470 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

dtrstudybuddy.com performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value260 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

dtrstudybuddy.com

135 ms

css

43 ms

bootstrap.min.css

31 ms

all.min.css

40 ms

animate.min.css

39 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 79% of them (26 requests) were addressed to the original Dtrstudybuddy.com, 15% (5 requests) were made to Fonts.gstatic.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (135 ms) belongs to the original domain Dtrstudybuddy.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 20.1 kB (8%)

Content Size

249.1 kB

After Optimization

229.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dtrstudybuddy.com main page is 249.1 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. 50% of websites need less resources to load. CSS take 120.9 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 7.1 kB

  • Original 10.0 kB
  • After minification 8.5 kB
  • After compression 2.9 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 1.5 kB, which is 15% 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 7.1 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 33.4 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.

JavaScript Optimization

-7%

Potential reduce by 6.0 kB

  • Original 84.8 kB
  • After minification 84.8 kB
  • After compression 78.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-6%

Potential reduce by 7.0 kB

  • Original 120.9 kB
  • After minification 120.9 kB
  • After compression 113.9 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. Dtrstudybuddy.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (86%)

Requests Now

22

After Optimization

3

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DTR STUDY BUDDY. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dtrstudybuddy.com accessibility score

79

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

Buttons do not have an accessible name

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

Best Practices

dtrstudybuddy.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

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

dtrstudybuddy.com SEO score

100

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

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 Dtrstudybuddy.com 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 Dtrstudybuddy.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

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