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zjoubbs.com screenshot

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

zjoubbs.com

碧海潮声大学生网 大学生论坛|浙江海洋学院论坛 校训：海纳百川 自强不息

Page Load Speed

4.5 sec in total

First Response

550 ms

Resources Loaded

3.7 sec

Page Rendered

240 ms

zjoubbs.com screenshot

About Website

Welcome to zjoubbs.com homepage info - get ready to check Zjoubbs best content for China right away, or after learning these important things about zjoubbs.com

碧海潮声大学生网又名碧海潮生浙江大学生论坛海院论坛,是浙江省人气最高的高校大学生论坛，交流话题涉及浙江各高校,大学,教育,文化,浙江海洋学院,硕士,研究生,考研,分数线,高考,试题,论文,英语,考试,四级,六级,留学,出国,就业,工作,兼职,实习,工资,求职,University,student,education,college

Visit zjoubbs.com

Key Findings

We analyzed Zjoubbs.com page load time and found that the first response time was 550 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

zjoubbs.com performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.0 s

95/100

10%

Network Requests Diagram

zjoubbs.com

550 ms

www.zjoubbs.com

1474 ms

style_5_common.css

1363 ms

style_5_forum_index.css

704 ms

common.js

1369 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 96% of them (26 requests) were addressed to the original Zjoubbs.com, 4% (1 request) were made to Discuz.gtimg.cn. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Zjoubbs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 208.2 kB (57%)

Content Size

367.5 kB

After Optimization

159.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zjoubbs.com main page is 367.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Images take 126.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 49.2 kB

  • Original 62.1 kB
  • After minification 59.1 kB
  • After compression 12.9 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 49.2 kB or 79% of the original size.

Image Optimization

-17%

Potential reduce by 21.8 kB

  • Original 126.7 kB
  • After minification 104.9 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, Zjoubbs needs image optimization as it can save up to 21.8 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-75%

Potential reduce by 72.9 kB

  • Original 96.7 kB
  • After minification 75.5 kB
  • After compression 23.7 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 72.9 kB or 75% of the original size.

CSS Optimization

-78%

Potential reduce by 64.3 kB

  • Original 82.0 kB
  • After minification 80.3 kB
  • After compression 17.7 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. Zjoubbs.com needs all CSS files to be minified and compressed as it can save up to 64.3 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (43%)

Requests Now

23

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zjoubbs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zjoubbs.com

zjoubbs.com

550 ms

www.zjoubbs.com

www.zjoubbs.com

1474 ms

style_5_common.css

style_5_common.css

1363 ms

style_5_forum_index.css

style_5_forum_index.css

704 ms

common.js

common.js

1369 ms

forum.js

forum.js

1119 ms

logging.js

logging.js

494 ms

md5.js

md5.js

967 ms

nv.js

nv.js

555 ms

discuz_tips.js

discuz_tips.js

446 ms

body.jpg

body.jpg

638 ms

toptb.png

toptb.png

384 ms

logo.png

logo.png

592 ms

collapsed_no.gif

collapsed_no.gif

321 ms

forum.gif

forum.gif

335 ms

collapsed_yes.gif

collapsed_yes.gif

346 ms

security.png

security.png

627 ms

lip.gif

lip.gif

636 ms

lbt.gif

lbt.gif

604 ms

lrg.gif

lrg.gif

658 ms

scbar.png

scbar.png

838 ms

arr_w.gif

arr_w.gif

917 ms

search.png

search.png

906 ms

pt_item.png

pt_item.png

937 ms

chart.png

chart.png

936 ms

titlebg.png

titlebg.png

883 ms

scrolltop.png

scrolltop.png

273 ms

Accessibility Review

zjoubbs.com accessibility score

66

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

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.

Impact

Issue

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

Internationalization and localization

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

Impact

Issue

High

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

zjoubbs.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

zjoubbs.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Zjoubbs.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 Zjoubbs.com 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

zjoubbs.com

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