Tools & Wizards About Us
json-schema-validator.herokuapp.com screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

json-schema-validator.herokuapp.com

JSON Schema validation online

Page Load Speed

1.1 sec in total

First Response

181 ms

Resources Loaded

581 ms

Page Rendered

384 ms

json-schema-validator.herokuapp.com screenshot

About Website

Visit json-schema-validator.herokuapp.com now to see the best up-to-date JSON Schema Validator Herokuapp content for United States and also check out these interesting facts you probably never knew about json-schema-validator.herokuapp.com

Validate your JSON data against a JSON schema

Visit json-schema-validator.herokuapp.com

Key Findings

We analyzed Json-schema-validator.herokuapp.com page load time and found that the first response time was 181 ms and then it took 965 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

json-schema-validator.herokuapp.com performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

json-schema-validator.herokuapp.com

181 ms

style.css

82 ms

jquery.qtip.min.css

132 ms

jquery-1.9.1.min.js

341 ms

jquery.browser.js

85 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to Json-schema-validator.herokuapp.com and no external sources were called. The less responsive or slowest element that took the longest time to load (341 ms) belongs to the original domain Json-schema-validator.herokuapp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 85.6 kB (65%)

Content Size

130.8 kB

After Optimization

45.2 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Json-schema-validator.herokuapp.com main page is 130.8 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. Only 5% of websites need less resources to load. Javascripts take 121.9 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 2.5 kB

  • Original 3.6 kB
  • After minification 3.2 kB
  • After compression 1.1 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 462 B, which is 13% 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 2.5 kB or 69% of the original size.

JavaScript Optimization

-65%

Potential reduce by 79.3 kB

  • Original 121.9 kB
  • After minification 117.9 kB
  • After compression 42.6 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 79.3 kB or 65% of the original size.

CSS Optimization

-72%

Potential reduce by 3.8 kB

  • Original 5.4 kB
  • After minification 4.0 kB
  • After compression 1.5 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. Json-schema-validator.herokuapp.com needs all CSS files to be minified and compressed as it can save up to 3.8 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (50%)

Requests Now

6

After Optimization

3

  • JavaScript
  • CSS

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JSON Schema Validator Herokuapp. 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

json-schema-validator.herokuapp.com

json-schema-validator.herokuapp.com

181 ms

style.css

style.css

82 ms

jquery.qtip.min.css

jquery.qtip.min.css

132 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

341 ms

jquery.browser.js

jquery.browser.js

85 ms

jquery.qtip.min.js

jquery.qtip.min.js

184 ms

common.js

common.js

129 ms

Accessibility Review

json-schema-validator.herokuapp.com accessibility score

89

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

Best Practices

json-schema-validator.herokuapp.com 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

json-schema-validator.herokuapp.com SEO score

73

Search Engine Optimization Advices

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 Json-schema-validator.herokuapp.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 Json-schema-validator.herokuapp.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

json-schema-validator.herokuapp.com

Open Graph description is not detected on the main page of JSON Schema Validator Herokuapp. 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: