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name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

nbsw.net

1400 ms

pagerror.gif

448 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Nbsw.net and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Nbsw.net.

Content Size

4.4 kB

After Optimization

1.7 kB

In fact, the total size of Nbsw.net main page is 4.4 kB. This result falls within a big category (top 100 000) of medium weight web pages. Only a small number of websites need less resources to load. CSS take 3.0 kB which makes up the majority of the site volume.

HTML Optimization

-51%

Potential reduce by 721 B

Original 1.4 kB
After minification 1.3 kB
After compression 684 B

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 721 B or 51% of the original size.

CSS Optimization

-66%

Potential reduce by 2.0 kB

Original 3.0 kB
After minification 2.5 kB
After compression 1.0 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. Nbsw.net needs all CSS files to be minified and compressed as it can save up to 2.0 kB or 66% of the original size.

Requests Now

After Optimization

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nbsw. According to our analytics all requests are already optimized.

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

Form elements do not have associated labels

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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

ZH
Language Claimed

ZH
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nbsw.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Nbsw.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

nbsw.net

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