Report Summary

  • 41

    Performance

    Renders faster than
    61% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

transcrypt.org

Transcrypt - Python in the browser - Lean, fast, open!

Page Load Speed

25 sec in total

First Response

1.6 sec

Resources Loaded

22.9 sec

Page Rendered

534 ms

transcrypt.org screenshot

About Website

Welcome to transcrypt.org homepage info - get ready to check Transcrypt best content for United States right away, or after learning these important things about transcrypt.org

The Transcrypt Python to JavaScript compiler makes it possible to program lean and fast browser applications in Python. Transcrypt applications can use any JavaScript library and can also run on top o...

Visit transcrypt.org

Key Findings

We analyzed Transcrypt.org page load time and found that the first response time was 1.6 sec and then it took 23.4 sec 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. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

transcrypt.org performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value420 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

Network Requests Diagram

transcrypt.org

1587 ms

css

60 ms

jquery.min.js

51 ms

jquery-ui.css

53 ms

jquery-ui.min.js

57 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 44% of them (15 requests) were addressed to the original Transcrypt.org, 12% (4 requests) were made to Buttons.github.io and 9% (3 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Static.addtoany.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 505.6 kB (36%)

Content Size

1.4 MB

After Optimization

916.8 kB

In fact, the total size of Transcrypt.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. 25% of websites need less resources to load. Images take 813.6 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 16.0 kB

  • Original 22.9 kB
  • After minification 21.0 kB
  • After compression 6.9 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. 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 16.0 kB or 70% of the original size.

Image Optimization

-14%

Potential reduce by 113.7 kB

  • Original 813.6 kB
  • After minification 699.9 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, Transcrypt needs image optimization as it can save up to 113.7 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 369.3 kB

  • Original 577.8 kB
  • After minification 431.4 kB
  • After compression 208.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 369.3 kB or 64% of the original size.

CSS Optimization

-81%

Potential reduce by 6.6 kB

  • Original 8.1 kB
  • After minification 5.5 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. Transcrypt.org needs all CSS files to be minified and compressed as it can save up to 6.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (60%)

Requests Now

30

After Optimization

12

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Transcrypt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

transcrypt.org accessibility score

82

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

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

Image elements do not have [alt] attributes

Best Practices

transcrypt.org best practices score

58

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

transcrypt.org SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Transcrypt.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 Transcrypt.org main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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