cjsharp .com

4.22

Results collected 2023-09-07 from https://www.cjsharp.com/

Lighthouse Performance

4.80

The website is fast.
Total Blocking Time: 200 ms 4.45
Cumulative Layout Shift 5.00
Largest Contentful Paint 5.00
First Contentful Paint: 1.5 s 4.80
Speed Index 5.00
Image elements do not have explicit width and height 1.00
Page prevented back/forward cache restoration 1.00
Serve images in next-gen formats: Potential savings of 60 KiB 3.70
Max Potential First Input Delay: 170 ms 3.80
Use HTTP/2: 7 requests not served via HTTP/2 3.80
Time to Interactive: 4.4 s 4.15
Reduce unused JavaScript: Potential savings of 53 KiB 4.30
Uses efficient cache policy on static assets: 8 resources found 4.50
Minimizes main-thread work: 1.7 s 4.75
JavaScript execution time: 0.7 s 4.90
All text remains visible during webfont loads 5.00
Avoid multiple page redirects 5.00
Avoid serving legacy JavaScript to modern browsers 5.00
Avoids document.write() 5.00
Avoids an excessive DOM size 5.00
Avoids enormous network payloads 5.00
Defer offscreen images 5.00
Efficiently encode images 5.00
Eliminate render-blocking resources 5.00
Enable text compression 5.00
First Meaningful Paint 5.00
Has a <meta name="viewport"> tag with width or initial-scale 5.00
Initial server response time was short 5.00
Minify CSS 5.00
Minify JavaScript 5.00
Minimize third-party usage 5.00
Preconnect to required origins 5.00
Properly size images 5.00
Reduce unused CSS 5.00
Remove duplicate modules in JavaScript bundles 5.00
Use video formats for animated content 5.00
Uses passive listeners to improve scrolling performance 5.00
Enable text compression 5.00

Lighthouse SEO

5.00

The website is really good at SEO!
Document avoids plugins 5.00
Document has a <title> element 5.00
Document has a meta description 5.00
Document has a valid hreflang 5.00
Document uses legible font sizes 5.00
Has a <meta name="viewport"> tag with width or initial-scale 5.00
Image elements have [alt] attributes 5.00
Links are crawlable 5.00
Links have descriptive text 5.00
Page has successful HTTP status code 5.00
Page isn’t blocked from indexing 5.00
Tap targets are sized appropriately 5.00

Lighthouse Best Practices

5.00

The website is adhering to good practice according to Google Lighthouse!
Avoids deprecated APIs 5.00
Uses HTTPS 5.00
Allows users to paste into input fields 5.00
Avoids unload event listeners 5.00
Avoids requesting the geolocation permission on page load 5.00
Avoids requesting the notification permission on page load 5.00
Displays images with correct aspect ratio 5.00
No browser errors logged to the console 5.00
No issues in the Issues panel in Chrome Devtools 5.00
Page has the HTML doctype 5.00
Properly defines charset 5.00
Serves images with appropriate resolution 5.00
Page has valid source maps 5.00
Uses HTTPS 5.00
No issues in the Issues panel in Chrome Devtools 5.00
Allows users to paste into input fields 5.00
Avoids deprecated APIs 5.00
Page has the HTML doctype 5.00

W3C HTML

5.00

No errors in the HTML code.
Number of grouped error type: 0 5.00
Number of errors: 0 5.00

Standard Files

2.00

robots.txt is missing, not allowed to download or has no expected content. 1.00
Sitemap is not specified in robots.txt 1.00
RSS subscription found. 5.00
security.txt is missing. 1.00

Lighthouse A11y

4.85

The website can be more accessible, but is rather good!
ARIA IDs are unique 5.00
Buttons have an accessible name 5.00
Image elements have [alt] attributes 5.00
[aria-*] attributes are valid and not misspelled 5.00
[aria-*] attributes have valid values 5.00
[aria-*] attributes match their roles 5.00
[aria-hidden="true"] is not present on the document <body> 5.00
[user-scalable="no"] is not used in the <meta name="viewport"> element and the [maximum-scale] attribute is not less than 5. 5.00
Background and foreground colors have a sufficient contrast ratio 5.00
Document has a <title> element 5.00
Heading elements are not in a sequentially-descending order 1.00
Links are distinguishable without relying on color. 5.00
Links have a discernible name 5.00
List items (<li>) are contained within <ul>, <ol> or <menu> parent elements 5.00
Lists contain only <li> elements and script supporting elements (<script> and <template>). 5.00
No element has a [tabindex] value greater than 0 5.00
<html> element has a [lang] attribute 5.00
<html> element has a valid value for its [lang] attribute 5.00
[id] attributes on active, focusable elements are unique 5.00
Image elements have [alt] attributes that are redundant text. 1.00

Sitespeed.io

5.00

The website is really fast! 5.00
Speedindex: 477 5.00
Loading time: 0.553 sec
Number of requests: 48

Yellow Lab Tools

4.85

Pa11y

5.00

The website do not have any apparent issues with accessibility!
Number of error type: 0 5.00
Number of errors: 0 5.00

Integrity & Security

2.75

Rather poor on user privacy.
Result generated: 2023-09-06 16:57:41 Etc/UTC (Cached for 24 hours)
HTTPS by default: is good! 5.00
HTTP Strict Transport Security HSTS: is ok, with 3 error(s) and 0 warning(s). 3.50
Content Security Policy: is pretty bad. 1.00
Reporting CSP Certificate Transparency Network Error Logging: is good! 5.00
Referrer Policy: is pretty bad. 1.00
Subresource Integrity SRI: is pretty bad. 1.00
HTTP headers: is ok, with 1 error(s) and 0 warning(s). 4.50
Cookies: is ok, with 12 error(s) and 0 warning(s). 1.00

HTTP & Tech

3.89

Score is divided by 2 (number of urls tested with redirects)
HTTP to HTTPS redirect 5.00
TLSv1.3 support 5.00
TLSv1.2 support 5.00
No IPv6 support 1.00
IPv4 support 5.00
No HTTPv3 support 1.00
No QUIC support 1.00
HTTP to HTTPS redirect 5.00
TLSv1.3 support 5.00
TLSv1.2 support 5.00
IPv6 support 5.00
IPv4 support 5.00
No HTTPv3 support 1.00
No QUIC support 1.00

Carbon Calculator

4.50

Webpage generates very little carbon dioxide!
Carbon dioxide per pageview: 0.39 gram(s)
More green than 90 % of the websites tested by webperf.se (Reference updated: 2022-12-16).
More green than 90 % of the websites tested by webperf.se (Reference updated: 2021-12-12).
Network transfer size: 624 kb 4.50

Software

2.25

Technology used: gatsby, js
License(s) used: mit
Metadata used: viewport, dns-prefetch
JS Libraries used: gatsby, core-js
Languages found: en
Image formats used: png, ico
Update(s) available 2.25