Access 5irc.com. 北京华航圆梦网络科技有限公司

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value6.4 s

41/100

10%

TBT (Total Blocking Time)

Value1,300 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.034

100/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

5irc.com

1072 ms

style_6_common.css

855 ms

style_6_forum_index.css

434 ms

common.js

869 ms

style_6_widthauto.css

443 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that all of those requests were addressed to 5irc.com and no external sources were called. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain 5irc.com.

Content Size

2.3 MB

After Optimization

1.9 MB

In fact, the total size of 5irc.com main page is 2.3 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. 50% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 68.9 kB

Original 82.4 kB
After minification 81.8 kB
After compression 13.5 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 68.9 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 86.5 kB

Original 1.9 MB
After minification 1.8 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. 5 Irc images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 165.2 kB

Original 242.1 kB
After minification 228.7 kB
After compression 77.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 165.2 kB or 68% of the original size.

CSS Optimization

-78%

Potential reduce by 75.7 kB

Original 96.8 kB
After minification 95.0 kB
After compression 21.1 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. 5irc.com needs all CSS files to be minified and compressed as it can save up to 75.7 kB or 78% of the original size.

Requests Now

110

After Optimization

The browser has sent 110 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 5 Irc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts 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 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

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

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 5irc.com 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 5irc.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

5irc.com

Open Graph description is not detected on the main page of 5 Irc. 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

北京华航圆梦网络科技有限公司

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

5irc.com

style_6_common.css

style_6_forum_index.css

common.js

style_6_widthauto.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

5irc.com

style_6_common.css

style_6_forum_index.css

common.js

style_6_widthauto.css

forum.js

logging.js

jquery.min.js

top.js

forum_slide.js

slide.js

headline.js

sidebar.min.js

byg_into.js

switch_width.png

5irc.png

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collapsed_no.gif

common_2_icon.png

common_36_icon.png

common_38_icon.png

forum.gif

common_43_icon.png

common_44_icon.png

common_45_icon.png

common_extra.js

common_51_icon.png

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