Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 54

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

gp.zhulong.com

给排水论坛_给排水资料图片交流论坛-筑龙论坛

Page Load Speed

27.4 sec in total

First Response

7.2 sec

Resources Loaded

19.4 sec

Page Rendered

745 ms

About Website

Click here to check amazing Gp Zhulong content for China. Otherwise, check out these important facts you probably never knew about gp.zhulong.com

筑龙给排水论坛,是给排水人、工程设计人交流分享的平台,专业包括给排水专业资料、知识、设计、施工、注册考试、给排水图片等,是给排水爱好者最喜欢的网上家园.

Visit gp.zhulong.com

Key Findings

We analyzed Gp.zhulong.com page load time and found that the first response time was 7.2 sec and then it took 20.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

gp.zhulong.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value21.9 s

0/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.148

77/100

15%

TTI (Time to Interactive)

Value8.9 s

35/100

10%

Network Requests Diagram

gp.zhulong.com

7191 ms

common.css

824 ms

public.css

1259 ms

gp.css

1255 ms

jquery-1.4.2.min.js

2740 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 24% of them (26 requests) were addressed to the original Gp.zhulong.com, 19% (21 requests) were made to Static.zhulong.com and 15% (16 requests) were made to Ndown.zhulong.com. The less responsive or slowest element that took the longest time to load (8.3 sec) relates to the external source Static.zhulong.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 421.7 kB (29%)

Content Size

1.4 MB

After Optimization

1.0 MB

In fact, the total size of Gp.zhulong.com main page is 1.4 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. 30% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 117.3 kB

  • Original 133.2 kB
  • After minification 88.6 kB
  • After compression 15.9 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. This page needs HTML code to be minified as it can gain 44.6 kB, which is 34% 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 117.3 kB or 88% of the original size.

Image Optimization

-11%

Potential reduce by 116.3 kB

  • Original 1.0 MB
  • After minification 932.9 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, Gp Zhulong needs image optimization as it can save up to 116.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 131.9 kB

  • Original 185.6 kB
  • After minification 160.9 kB
  • After compression 53.6 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 131.9 kB or 71% of the original size.

CSS Optimization

-84%

Potential reduce by 56.2 kB

  • Original 66.5 kB
  • After minification 54.7 kB
  • After compression 10.3 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. Gp.zhulong.com needs all CSS files to be minified and compressed as it can save up to 56.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (39%)

Requests Now

101

After Optimization

62

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gp Zhulong. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

gp.zhulong.com accessibility score

43

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.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

gp.zhulong.com best practices score

54

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

Registers an unload listener

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

gp.zhulong.com SEO score

85

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

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

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 Gp.zhulong.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 Gp.zhulong.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

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