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name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value17.8 s

0/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.383

27/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

dlaolin.cn

2188 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Dlaolin.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Dlaolin.cn.

Content Size

143.5 kB

After Optimization

38.8 kB

In fact, the total size of Dlaolin.cn main page is 143.5 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 65.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 50.9 kB

Original 65.3 kB
After minification 41.9 kB
After compression 14.4 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. This page needs HTML code to be minified as it can gain 23.4 kB, which is 36% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 50.9 kB or 78% of the original size.

Image Optimization

-26%

Potential reduce by 32 B

Original 122 B
After minification 90 B

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, Dlaolin needs image optimization as it can save up to 32 B or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 36.7 kB

Original 57.6 kB
After minification 55.3 kB
After compression 20.9 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 36.7 kB or 64% of the original size.

CSS Optimization

-83%

Potential reduce by 17.0 kB

Original 20.5 kB
After minification 13.9 kB
After compression 3.5 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. Dlaolin.cn needs all CSS files to be minified and compressed as it can save up to 17.0 kB or 83% of the original size.

Requests Now

After Optimization

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Issues

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

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

N/A
Encoding

N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dlaolin.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Dlaolin.cn main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

dlaolin.cn

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