Access bbs.tropica.cn. 论坛 - CTA南美水族 -

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

bbs.tropica.cn

2422 ms

style_8_common.css

1187 ms

style_8_forum_index.css

877 ms

common.js

3496 ms

forum.js

3016 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 25% of them (31 requests) were addressed to the original Bbs.tropica.cn, 54% (66 requests) were made to Img.tropica.cn and 4% (5 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Img.tropica.cn.

Content Size

1.2 MB

After Optimization

750.4 kB

In fact, the total size of Bbs.tropica.cn main page is 1.2 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. 35% of websites need less resources to load. Images take 770.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 95.1 kB

Original 115.6 kB
After minification 112.3 kB
After compression 20.5 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 95.1 kB or 82% of the original size.

Image Optimization

-19%

Potential reduce by 146.1 kB

Original 770.9 kB
After minification 624.8 kB

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, Bbs Tropica needs image optimization as it can save up to 146.1 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-62%

Potential reduce by 151.6 kB

Original 243.0 kB
After minification 237.6 kB
After compression 91.4 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 151.6 kB or 62% of the original size.

CSS Optimization

-77%

Potential reduce by 44.8 kB

Original 58.5 kB
After minification 57.1 kB
After compression 13.7 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. Bbs.tropica.cn needs all CSS files to be minified and compressed as it can save up to 44.8 kB or 77% of the original size.

Requests Now

108

After Optimization

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bbs Tropica. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 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 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

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

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

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bbs.tropica.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 Bbs.tropica.cn main page’s claimed encoding is gbk. 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

bbs.tropica.cn

Open Graph description is not detected on the main page of Bbs Tropica. 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

论坛 - CTA南美水族 -

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

bbs.tropica.cn

style_8_common.css

style_8_forum_index.css

common.js

forum.js

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

bbs.tropica.cn

style_8_common.css

style_8_forum_index.css

common.js

forum.js

m.js

logging.js

title.js

blockstyle.css

ping.js

stat.php

landian.jpg

LOGO.gif

link.gif

1_29.png

stt.gif

ghs.png

caomuju.jpg

qiyiziran178-53.gif

sysmsz.jpg

xinze.gif

shuangying.gif

shuishijie.gif

jqccwyp.jpg

sczz.gif

sl.jpg

common_275_icon.jpg

sczj.gif

sjx.gif

common_371_icon.jpg

shj.jpg

180019siqv2h9sgx3nqsku.gif

common_367_icon.jpg

netlea.jpg

common_326_icon.jpg

common_373_icon.jpg

common_329_icon.jpg

common_339_icon.jpg

common_294_icon.jpg

common_349_icon.jpg

common_352_icon.jpg

Nono%E8%87%AA%E7%84%B6%E7%94%9F%E6%B4%BB%E9%A6%86.jpg

common_299_icon.jpg