Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

nativescript.org

NativeScript

Page Load Speed

2.7 sec in total

First Response

143 ms

Resources Loaded

1.7 sec

Page Rendered

827 ms

nativescript.org screenshot

About Website

Click here to check amazing Native Script content for India. Otherwise, check out these important facts you probably never knew about nativescript.org

Build truly native iOS, Android and Windows Phone apps with Javascript and CSS. Try NativeScript open-source framework for cross-platform development.

Visit nativescript.org

Key Findings

We analyzed Nativescript.org page load time and found that the first response time was 143 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

nativescript.org performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

79/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

nativescript.org

143 ms

www.nativescript.org

213 ms

Telerik.Web.UI.WebResource.axd

63 ms

css

156 ms

style.min.css

86 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 10% of them (5 requests) were addressed to the original Nativescript.org, 12% (6 requests) were made to Ajax.aspnetcdn.com and 10% (5 requests) were made to Buttons.github.io. The less responsive or slowest element that took the longest time to load (998 ms) belongs to the original domain Nativescript.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 727.1 kB (27%)

Content Size

2.7 MB

After Optimization

1.9 MB

In fact, the total size of Nativescript.org main page is 2.7 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. 50% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 33.5 kB

  • Original 46.7 kB
  • After minification 45.2 kB
  • After compression 13.1 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 33.5 kB or 72% of the original size.

Image Optimization

-1%

Potential reduce by 22.8 kB

  • Original 1.6 MB
  • After minification 1.6 MB

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. Native Script images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 404.8 kB

  • Original 657.4 kB
  • After minification 646.3 kB
  • After compression 252.5 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 404.8 kB or 62% of the original size.

CSS Optimization

-81%

Potential reduce by 265.9 kB

  • Original 328.8 kB
  • After minification 325.9 kB
  • After compression 63.0 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. Nativescript.org needs all CSS files to be minified and compressed as it can save up to 265.9 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (64%)

Requests Now

39

After Optimization

14

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Native Script. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nativescript.org accessibility score

98

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

nativescript.org 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

SEO Factors

nativescript.org SEO score

92

Search Engine Optimization Advices

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

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nativescript.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Nativescript.org 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

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