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glitch.com screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

glitch.com

Glitch: The friendly community where everyone builds the web

Page Load Speed

215 ms in total

First Response

12 ms

Resources Loaded

203 ms

Page Rendered

0 ms

glitch.com screenshot

About Website

Click here to check amazing Glitch content for India. Otherwise, check out these important facts you probably never knew about glitch.com

Simple, powerful, free tools to create and use millions of apps.

Visit glitch.com

Key Findings

We analyzed Glitch.com page load time and found that the first response time was 12 ms and then it took 203 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

glitch.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value3,430 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.116

85/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

glitch.com

12 ms

glitch.com

21 ms

pendo.js

81 ms

tag.js

138 ms

_default.page.client.jsx.5f23799b.css

3 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 57% of them (4 requests) were addressed to the original Glitch.com, 14% (1 request) were made to Content.product.glitch.com and 14% (1 request) were made to Cdn.optimizely.com. The less responsive or slowest element that took the longest time to load (138 ms) relates to the external source Cdn.optimizely.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 173.6 kB (32%)

Content Size

548.3 kB

After Optimization

374.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Glitch.com main page is 548.3 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. 15% of websites need less resources to load. Javascripts take 421.3 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 3.1 kB

  • Original 4.7 kB
  • After minification 4.5 kB
  • After compression 1.6 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 3.1 kB or 66% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 106.3 kB
  • After minification 106.3 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. Glitch images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 159.2 kB

  • Original 421.3 kB
  • After minification 346.3 kB
  • After compression 262.1 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 159.2 kB or 38% of the original size.

CSS Optimization

-71%

Potential reduce by 11.3 kB

  • Original 15.9 kB
  • After minification 15.5 kB
  • After compression 4.7 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. Glitch.com needs all CSS files to be minified and compressed as it can save up to 11.3 kB or 71% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • AJAX
  • JavaScript
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Glitch. According to our analytics all requests are already optimized.

Network Requests Diagram

glitch.com

glitch.com

12 ms

glitch.com

glitch.com

21 ms

pendo.js

pendo.js

81 ms

tag.js

tag.js

138 ms

_default.page.client.jsx.5f23799b.css

_default.page.client.jsx.5f23799b.css

3 ms

_default.page.client.jsx.9db85235.js

_default.page.client.jsx.9db85235.js

23 ms

js

js

72 ms

Accessibility Review

glitch.com accessibility score

85

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

glitch.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

glitch.com SEO score

92

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Glitch.com 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 Glitch.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

glitch.com

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