Tools & Wizards About Us
yaffs.net screenshot

Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

yaffs.net

A Robust Flash File System Since 2002 | Yaffs - A Flash File System for embedded use

Page Load Speed

2.2 sec in total

First Response

229 ms

Resources Loaded

1.6 sec

Page Rendered

430 ms

yaffs.net screenshot

About Website

Visit yaffs.net now to see the best up-to-date Yaffs content for Australia and also check out these interesting facts you probably never knew about yaffs.net

Yaffs (Yet Another Flash File System) is an open-source file system specifically designed to be fast, robust and suitable for embedded use with NAND and NOR Flash. It is widely used with Linux, RTOSs,...

Visit yaffs.net

Key Findings

We analyzed Yaffs.net page load time and found that the first response time was 229 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

yaffs.net performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

yaffs.net

229 ms

yaffs.net

515 ms

fontyourface-stylesheet.css

199 ms

fontyourface-stylesheet.css

292 ms

fontyourface-stylesheet.css

290 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that all of those requests were addressed to Yaffs.net and no external sources were called. The less responsive or slowest element that took the longest time to load (693 ms) belongs to the original domain Yaffs.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 43.2 kB (13%)

Content Size

326.8 kB

After Optimization

283.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yaffs.net main page is 326.8 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. 20% of websites need less resources to load. Images take 183.6 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 36.8 kB

  • Original 49.5 kB
  • After minification 45.9 kB
  • After compression 12.7 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 36.8 kB or 74% of the original size.

Image Optimization

-3%

Potential reduce by 6.1 kB

  • Original 183.6 kB
  • After minification 177.4 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. Yaffs images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 60.1 kB
  • After minification 60.1 kB
  • After compression 60.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 184 B

  • Original 33.5 kB
  • After minification 33.5 kB
  • After compression 33.3 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. Yaffs.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (39%)

Requests Now

23

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yaffs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

yaffs.net

yaffs.net

229 ms

yaffs.net

yaffs.net

515 ms

fontyourface-stylesheet.css

fontyourface-stylesheet.css

199 ms

fontyourface-stylesheet.css

fontyourface-stylesheet.css

292 ms

fontyourface-stylesheet.css

fontyourface-stylesheet.css

290 ms

fontyourface-stylesheet.css

fontyourface-stylesheet.css

291 ms

fontyourface-stylesheet.css

fontyourface-stylesheet.css

289 ms

fontyourface-stylesheet.css

fontyourface-stylesheet.css

290 ms

fontyourface-stylesheet.css

fontyourface-stylesheet.css

294 ms

fontyourface-stylesheet.css

fontyourface-stylesheet.css

386 ms

css_5iYmI_wylJ982XJoxpfegqisPz-mbi2G4pNaGb8lsQE.css

css_5iYmI_wylJ982XJoxpfegqisPz-mbi2G4pNaGb8lsQE.css

397 ms

css_6qeLA6GBkZNPHWp9GdQIYovV3tYuKU-ts-HicZ-WeQQ.css

css_6qeLA6GBkZNPHWp9GdQIYovV3tYuKU-ts-HicZ-WeQQ.css

486 ms

logo.svg

logo.svg

385 ms

tess_satellite_0.gif

tess_satellite_0.gif

574 ms

choosing_yaffs_0.jpg

choosing_yaffs_0.jpg

396 ms

how_yaffs_is_used.jpg

how_yaffs_is_used.jpg

583 ms

download_now_0.jpg

download_now_0.jpg

575 ms

designA_logo.png

designA_logo.png

498 ms

eaton_logo.png

eaton_logo.png

533 ms

LANCOM_Logo_4c.png

LANCOM_Logo_4c.png

584 ms

bernina_international_logo.png

bernina_international_logo.png

583 ms

gallagher_logo.png

gallagher_logo.png

584 ms

android_logo.png

android_logo.png

669 ms

leica_logo.png

leica_logo.png

671 ms

js_ScuOXpfLLrRm1w1zqQZNi-KsywlHgPtmqGixEPetPbw.js

js_ScuOXpfLLrRm1w1zqQZNi-KsywlHgPtmqGixEPetPbw.js

693 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

339 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

152 ms

Accessibility Review

yaffs.net accessibility score

94

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

Links do not have a discernible name

Best Practices

yaffs.net 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

yaffs.net SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Yaffs.net 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 Yaffs.net 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

yaffs.net

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