Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

reverserett.org

The Rett Syndrome Research Trust (RSRT) is the patient advocacy organization working to cure Rett syndrome.

Page Load Speed

1.6 sec in total

First Response

51 ms

Resources Loaded

1.1 sec

Page Rendered

391 ms

About Website

Visit reverserett.org now to see the best up-to-date Reverse Rett content for Israel and also check out these interesting facts you probably never knew about reverserett.org

As the largest funder of Rett syndrome research worldwide, RSRT has played a vital role in initiating and evolving the trajectory of progress toward cures. All genetic medicines in development by biop...

Visit reverserett.org

Key Findings

We analyzed Reverserett.org page load time and found that the first response time was 51 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

reverserett.org performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.069

96/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

reverserett.org

51 ms

reverserett.org

759 ms

gtm.js

80 ms

css2

30 ms

styles.css

52 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 76% of them (39 requests) were addressed to the original Reverserett.org, 18% (9 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (759 ms) belongs to the original domain Reverserett.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 318.2 kB (22%)

Content Size

1.4 MB

After Optimization

1.1 MB

In fact, the total size of Reverserett.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. 65% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 34.6 kB

  • Original 44.3 kB
  • After minification 43.7 kB
  • After compression 9.6 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 34.6 kB or 78% of the original size.

Image Optimization

-21%

Potential reduce by 255.8 kB

  • Original 1.2 MB
  • After minification 971.2 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, Reverse Rett needs image optimization as it can save up to 255.8 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-11%

Potential reduce by 10.5 kB

  • Original 95.6 kB
  • After minification 95.6 kB
  • After compression 85.1 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 10.5 kB or 11% of the original size.

CSS Optimization

-25%

Potential reduce by 17.2 kB

  • Original 67.5 kB
  • After minification 67.5 kB
  • After compression 50.3 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. Reverserett.org needs all CSS files to be minified and compressed as it can save up to 17.2 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (18%)

Requests Now

40

After Optimization

33

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Reverse Rett. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

reverserett.org accessibility score

97

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.

Best Practices

reverserett.org best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

reverserett.org SEO score

93

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

Links do not have descriptive text

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Reverserett.org 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 Reverserett.org main page’s claimed encoding is iso-8859-1. 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 data is detected on the main page of Reverse Rett. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: