Access nanjing-school.com. Nanjing International School

Report Summary

About Website

Visit nanjing-school.com now to see the best up-to-date Nanjing School content for United States and also check out these interesting facts you probably never knew about nanjing-school.com

NIS is a non-profit international school with an inclusive learning community inspiring international mindedness, personal excellence, and creative thinking.

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name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

5/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value2,110 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.217

57/100

15%

TTI (Time to Interactive)

Value71.6 s

0/100

10%

nanjing-school.com

310 ms

www.nanjing-school.com

273 ms

www.nischina.org

521 ms

gtm.js

68 ms

gtm.js

129 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Nanjing-school.com, 87% (52 requests) were made to Nischina.org and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Nischina.org.

Content Size

17.7 MB

After Optimization

17.2 MB

In fact, the total size of Nanjing-school.com main page is 17.7 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. Only a small number of websites need less resources to load. Images take 16.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 149.2 kB

Original 176.9 kB
After minification 172.7 kB
After compression 27.7 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 149.2 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 344.2 kB

Original 16.6 MB
After minification 16.3 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. Nanjing School images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 287 B

Original 805.3 kB
After minification 805.3 kB
After compression 805.0 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

-0%

Potential reduce by 120 B

Original 133.8 kB
After minification 133.8 kB
After compression 133.6 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. Nanjing-school.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nanjing School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-hidden="true"] elements contain focusable descendents

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

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 Nanjing-school.com 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 Nanjing-school.com 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

nanjing-school.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Nanjing International School | Top International School in China

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)