Tools & Wizards About Us
19lou.com screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

19lou.com

19楼论坛

Page Load Speed

25.9 sec in total

First Response

792 ms

Resources Loaded

23.9 sec

Page Rendered

1.2 sec

19lou.com screenshot

About Website

Welcome to 19lou.com homepage info - get ready to check 19 Lou best content for China right away, or after learning these important things about 19lou.com

19楼是中国热门的本地生活论坛社区，致力于为各地用户提供便捷的生活交流空间和体贴的本地生活服务，在这里，你可以轻松搞定相亲、结婚、装修、育儿这几桩人生大事，还可以获得租房、求职、美食、旅游、房产、教育、二手交易等本地生活服务信息。

Visit 19lou.com

Key Findings

We analyzed 19lou.com page load time and found that the first response time was 792 ms and then it took 25.1 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. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

19lou.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

5/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value190 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

19lou.com

792 ms

www.19lou.com

1374 ms

AM.js

353 ms

common_temp.min.css

1364 ms

pc_index.min.css

1145 ms

Our browser made a total of 129 requests to load all elements on the main page. We found that 3% of them (4 requests) were addressed to the original 19lou.com, 37% (48 requests) were made to Att3.citysbs.com and 29% (38 requests) were made to Att2.citysbs.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Att3.citysbs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 407.1 kB (3%)

Content Size

13.2 MB

After Optimization

12.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 19lou.com main page is 13.2 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. 70% of websites need less resources to load. Images take 13.0 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 109.7 kB

  • Original 136.3 kB
  • After minification 108.8 kB
  • After compression 26.6 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 27.5 kB, which is 20% 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 109.7 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 293.1 kB

  • Original 13.0 MB
  • After minification 12.7 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. 19 Lou images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 4.2 kB

  • Original 79.6 kB
  • After minification 79.1 kB
  • After compression 75.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 142 B

  • Original 14.8 kB
  • After minification 14.8 kB
  • After compression 14.7 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. 19lou.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (18%)

Requests Now

124

After Optimization

102

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 124 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 19 Lou. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

19lou.com

19lou.com

792 ms

www.19lou.com

www.19lou.com

1374 ms

AM.js

AM.js

353 ms

common_temp.min.css

common_temp.min.css

1364 ms

pc_index.min.css

pc_index.min.css

1145 ms

new.gif

new.gif

895 ms

push.js

push.js

1481 ms

entry.js

entry.js

2 ms

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2583 ms

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374 ms

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1084 ms

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1131 ms

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414 ms

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370 ms

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372 ms

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478 ms

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477 ms

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466 ms

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413 ms

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473 ms

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483 ms

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424 ms

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431 ms

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478 ms

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483 ms

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485 ms

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492 ms

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493 ms

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491 ms

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491 ms

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495 ms

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381 ms

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523 ms

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386 ms

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19965 ms

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398 ms

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19965 ms

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633 ms

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502 ms

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501 ms

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19963 ms

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459 ms

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906 ms

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512 ms

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731 ms

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622 ms

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877 ms

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1370 ms

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1318 ms

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230 ms

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457 ms

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230 ms

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450 ms

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449 ms

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667 ms

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2801 ms

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3051 ms

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3911 ms

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3518 ms

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3589 ms

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3815 ms

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3715 ms

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3297 ms

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3538 ms

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3809 ms

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3802 ms

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3904 ms

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4014 ms

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4066 ms

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4053 ms

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4140 ms

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4367 ms

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4202 ms

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4621 ms

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4721 ms

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4511 ms

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4633 ms

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4446 ms

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4868 ms

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4746 ms

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4800 ms

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4853 ms

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4896 ms

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4934 ms

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940 ms

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486 ms

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484 ms

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499 ms

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496 ms

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514 ms

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137 ms

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136 ms

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404 ms

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398 ms

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397 ms

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387 ms

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387 ms

dm2011_city.js

dm2011_city.js

1282 ms

jquery.js

jquery.js

7 ms

App.component.js

App.component.js

4 ms

crypto-js.min.js

crypto-js.min.js

3 ms

App.crypto.js

App.crypto.js

3 ms

App.header.js

App.header.js

4 ms

info

info

193 ms

new.gif

new.gif

224 ms

App.cycle.js

App.cycle.js

3 ms

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217 ms

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App.ad.js

3 ms

App.slidePlayer.js

App.slidePlayer.js

3 ms

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3 ms

App.outsite.js

App.outsite.js

3 ms

hangzhou_index_common.min.js

hangzhou_index_common.min.js

4 ms

cdntest5.js

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550 ms

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1286 ms

h.js

h.js

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310 ms

info

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196 ms

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330 ms

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240 ms

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253 ms

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243 ms

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240 ms

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239 ms

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6 ms

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7 ms

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7 ms

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7 ms

Accessibility Review

19lou.com accessibility score

46

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

19lou.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

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

19lou.com SEO score

84

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 19lou.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 19lou.com main page’s claimed encoding is gb2312. 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

19lou.com

Open Graph description is not detected on the main page of 19 Lou. 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: