Access snmandarin.com. Learn Chinese in Shanghai - SN Mandarin Chinese School 南北中文-上海信服文化传播有限公司

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value16.0 s

0/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value890 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.056

98/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

snmandarin.com

852 ms

snmandarin.com

1548 ms

default.css

1212 ms

font.css

200 ms

iconfont.css

402 ms

Our browser made a total of 154 requests to load all elements on the main page. We found that 6% of them (10 requests) were addressed to the original Snmandarin.com, 57% (88 requests) were made to Pmt4b7d89-pic42.websiteonline.cn and 16% (24 requests) were made to Static.websiteonline.cn. The less responsive or slowest element that took the longest time to load (6.6 sec) relates to the external source Pmt4b7d89-pic42.websiteonline.cn.

Content Size

12.0 MB

After Optimization

10.3 MB

In fact, the total size of Snmandarin.com main page is 12.0 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 10.7 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 223.4 kB

Original 256.0 kB
After minification 252.9 kB
After compression 32.6 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 223.4 kB or 87% of the original size.

Image Optimization

-12%

Potential reduce by 1.3 MB

Original 10.7 MB
After minification 9.4 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. Obviously, SN Mandarin needs image optimization as it can save up to 1.3 MB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-25%

Potential reduce by 264.4 kB

Original 1.1 MB
After minification 1.0 MB
After compression 792.3 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 264.4 kB or 25% of the original size.

CSS Optimization

-20%

Potential reduce by 3.9 kB

Original 19.9 kB
After minification 19.9 kB
After compression 16.0 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. Snmandarin.com needs all CSS files to be minified and compressed as it can save up to 3.9 kB or 20% of the original size.

Requests Now

151

After Optimization

102

The browser has sent 151 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SN Mandarin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

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.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

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 Snmandarin.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 Snmandarin.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

snmandarin.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Learn Chinese in Shanghai - SN Mandarin Chinese School 南北中文-上海信服文化传播有限公司

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)

Network Requests Diagram

snmandarin.com

snmandarin.com

default.css

font.css

iconfont.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

snmandarin.com

snmandarin.com

default.css

font.css

iconfont.css

media.css

unslider.css

title.css

chtml.css

mixslider.css

lantern.css

551cd4f65656154ea7f8fb14c3289b4d.cssx

clipboard.js

shopping_cart.css

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more.jpg

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