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Report Summary

About Website

Welcome to 52os.net homepage info - get ready to check 52 Os best content for China right away, or after learning these important things about 52os.net

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name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value0.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

52os.net

254 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 52os.net and no external sources were called. The less responsive or slowest element that took the longest time to load (254 ms) belongs to the original domain 52os.net.

Content Size

142.4 kB

After Optimization

59.8 kB

In fact, the total size of 52os.net main page is 142.4 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. Javascripts take 118.8 kB which makes up the majority of the site volume.

HTML Optimization

-45%

Potential reduce by 443 B

Original 984 B
After minification 923 B
After compression 541 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 443 B or 45% of the original size.

Image Optimization

-90%

Potential reduce by 2.6 kB

Original 2.9 kB
After minification 283 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, 52 Os needs image optimization as it can save up to 2.6 kB or 90% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-54%

Potential reduce by 63.9 kB

Original 118.8 kB
After minification 118.5 kB
After compression 54.9 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 63.9 kB or 54% of the original size.

CSS Optimization

-79%

Potential reduce by 15.6 kB

Original 19.6 kB
After minification 14.3 kB
After compression 4.0 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. 52os.net needs all CSS files to be minified and compressed as it can save up to 15.6 kB or 79% 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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

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

Search Engine Optimization Advices

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

High

robots.txt is not valid

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 52os.net can be misinterpreted by Google and other search engines. Our service has detected that Japanese 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 52os.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

52os.net

Open Graph description is not detected on the main page of 52 Os. 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: