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Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 94

    SEO

    Google-friendlier than
    90% of websites

definitelytyped.org

Home | DefinitelyTyped

Page Load Speed

359 ms in total

First Response

34 ms

Resources Loaded

232 ms

Page Rendered

93 ms

definitelytyped.org screenshot

About Website

Welcome to definitelytyped.org homepage info - get ready to check Definitely Typed best content for India right away, or after learning these important things about definitelytyped.org

The repository for high quality TypeScript type definitions

Visit definitelytyped.org

Key Findings

We analyzed Definitelytyped.org page load time and found that the first response time was 34 ms and then it took 325 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

definitelytyped.org performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

95/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

definitelytyped.org

34 ms

definitelytyped.org

37 ms

semantic.min.css

26 ms

highlight.css

20 ms

style.css

48 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 82% of them (9 requests) were addressed to the original Definitelytyped.org, 9% (1 request) were made to Ajax.googleapis.com and 9% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (78 ms) belongs to the original domain Definitelytyped.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 19.8 kB (25%)

Content Size

77.9 kB

After Optimization

58.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Definitelytyped.org main page is 77.9 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. 20% of websites need less resources to load. Javascripts take 50.5 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 5.0 kB

  • Original 7.0 kB
  • After minification 6.1 kB
  • After compression 2.0 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 857 B, which is 12% 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 5.0 kB or 71% of the original size.

Image Optimization

-72%

Potential reduce by 14.7 kB

  • Original 20.5 kB
  • After minification 5.7 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. Obviously, Definitely Typed needs image optimization as it can save up to 14.7 kB or 72% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 50.5 kB
  • After minification 50.5 kB
  • After compression 50.4 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 3 (33%)

Requests Now

9

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Definitely Typed. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

definitelytyped.org

definitelytyped.org

34 ms

definitelytyped.org

definitelytyped.org

37 ms

semantic.min.css

semantic.min.css

26 ms

highlight.css

highlight.css

20 ms

style.css

style.css

48 ms

forkme-blue.png

forkme-blue.png

78 ms

dt-logo-smallish.png

dt-logo-smallish.png

47 ms

jquery.min.js

jquery.min.js

25 ms

semantic.min.js

semantic.min.js

68 ms

script.js

script.js

67 ms

analytics.js

analytics.js

30 ms

Accessibility Review

definitelytyped.org accessibility score

81

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

Links do not have a discernible name

Best Practices

definitelytyped.org 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

definitelytyped.org SEO score

94

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 Definitelytyped.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 Definitelytyped.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

definitelytyped.org

Open Graph description is not detected on the main page of Definitely Typed. 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: