Tools & Wizards About Us
ziroom.com screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

ziroom.com

北京租房网_北京租房信息_北京房屋出租价格-北京自如官网

Page Load Speed

14.1 sec in total

First Response

597 ms

Resources Loaded

13.2 sec

Page Rendered

251 ms

ziroom.com screenshot

About Website

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

自如网北京租房信息网提供北京地区的房屋合租信息及月租价格,北京房屋整租信息及价格,以及公寓出租信息及价格,除此之外北京还将提供北京地区的民宿信息供用户参考。

Visit ziroom.com

Key Findings

We analyzed Ziroom.com page load time and found that the first response time was 597 ms and then it took 13.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

ziroom.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.8 s

0/100

25%

SI (Speed Index)

Value17.0 s

0/100

10%

TBT (Total Blocking Time)

Value290 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.094

91/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

ziroom.com

597 ms

ziroom.com

839 ms

www.ziroom.com

786 ms

www.ziroom.com

1334 ms

iconfont.css

1437 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 9% of them (4 requests) were addressed to the original Ziroom.com, 43% (20 requests) were made to Static8.ziroom.com and 41% (19 requests) were made to Webimg.ziroom.com. The less responsive or slowest element that took the longest time to load (7.5 sec) relates to the external source Webimg.ziroom.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 328.3 kB (6%)

Content Size

5.3 MB

After Optimization

5.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ziroom.com main page is 5.3 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. 40% of websites need less resources to load. Images take 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 50.6 kB

  • Original 61.6 kB
  • After minification 40.5 kB
  • After compression 11.1 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 21.2 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 50.6 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 277.2 kB

  • Original 4.9 MB
  • After minification 4.6 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. Ziroom images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 177 B

  • Original 282.0 kB
  • After minification 282.0 kB
  • After compression 281.9 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 413 B

  • Original 30.5 kB
  • After minification 30.5 kB
  • After compression 30.1 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. Ziroom.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (37%)

Requests Now

41

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ziroom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ziroom.com

ziroom.com

597 ms

ziroom.com

ziroom.com

839 ms

www.ziroom.com

www.ziroom.com

786 ms

www.ziroom.com

www.ziroom.com

1334 ms

iconfont.css

iconfont.css

1437 ms

common.css

common.css

1660 ms

index.css

index.css

1895 ms

jquery.min.1.9.0.js

jquery.min.1.9.0.js

2111 ms

jquery.cookie.min.js

jquery.cookie.min.js

2094 ms

video-js.min.css

video-js.min.css

2094 ms

polyfill.min.js

polyfill.min.js

2240 ms

layer.js

layer.js

2237 ms

jquery.SuperSlide.2.1.3.js

jquery.SuperSlide.2.1.3.js

2238 ms

jquery.lazyload.min.js

jquery.lazyload.min.js

2313 ms

scrollreveal.js

scrollreveal.js

2326 ms

videojs-ie8.min.js

videojs-ie8.min.js

2336 ms

video.min.js

video.min.js

2817 ms

sensors.js

sensors.js

2338 ms

index.js

index.js

2390 ms

2c576d2b-a67a-49fb-bfb0-a52aea2d55fb.png

2c576d2b-a67a-49fb-bfb0-a52aea2d55fb.png

1920 ms

title_bg2.png

title_bg2.png

379 ms

title_bg1.png

title_bg1.png

393 ms

videoplay.png

videoplay.png

400 ms

img_ziroom.png

img_ziroom.png

414 ms

e99b923c-d097-42f4-b5e1-3bdb0b549462.png

e99b923c-d097-42f4-b5e1-3bdb0b549462.png

7519 ms

f14b0a6b-9b21-4fb8-9e4c-9da3c4f371b8.jpg

f14b0a6b-9b21-4fb8-9e4c-9da3c4f371b8.jpg

2707 ms

25e3ac3e-b416-4e8d-bd8a-44a833033d59.jpg

25e3ac3e-b416-4e8d-bd8a-44a833033d59.jpg

2700 ms

c005bd80-606c-422b-8880-79e203a67c34.jpg

c005bd80-606c-422b-8880-79e203a67c34.jpg

2714 ms

d45b362a-b9f0-4a1a-9868-e38bc4035539.jpg

d45b362a-b9f0-4a1a-9868-e38bc4035539.jpg

2686 ms

86a7bdde-9df1-48f8-8112-4dc5792df3e5.png

86a7bdde-9df1-48f8-8112-4dc5792df3e5.png

2705 ms

01500516-8936-4c13-ad7c-874e47cfd2a8.jpg

01500516-8936-4c13-ad7c-874e47cfd2a8.jpg

3796 ms

650a421a-3b7b-4934-a798-be8607665c07.jpg

650a421a-3b7b-4934-a798-be8607665c07.jpg

3310 ms

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d9d8ec36-af0d-457b-a843-5fa1882c61fa.jpg

3599 ms

35ae237e-2461-4fe2-ae1d-51f573e6c63f.jpg

35ae237e-2461-4fe2-ae1d-51f573e6c63f.jpg

3289 ms

62c4c4fe-b43b-4bd3-ad46-44d6c8d7cdec.jpg

62c4c4fe-b43b-4bd3-ad46-44d6c8d7cdec.jpg

3605 ms

603551bd-0d3b-4cbf-9e34-ef5e494fad55.jpg

603551bd-0d3b-4cbf-9e34-ef5e494fad55.jpg

3671 ms

2bf58abf-2e53-403c-b5d9-3d1aa659f88b.png

2bf58abf-2e53-403c-b5d9-3d1aa659f88b.png

4677 ms

b2b2c922-dc51-43f1-ba42-29bab7099be6.png

b2b2c922-dc51-43f1-ba42-29bab7099be6.png

4013 ms

b809fb54-0c5f-40d0-b799-aa87595c2ef7.png

b809fb54-0c5f-40d0-b799-aa87595c2ef7.png

3934 ms

84cf9a48-b16d-45b8-a799-5cbcc015cbd3.png

84cf9a48-b16d-45b8-a799-5cbcc015cbd3.png

4064 ms

e3bc20c6-e62b-4ebd-a06f-fb63fe7fb01e.png

e3bc20c6-e62b-4ebd-a06f-fb63fe7fb01e.png

4065 ms

e889d38d-829d-4cae-b58b-6ceee615b8ea.png

e889d38d-829d-4cae-b58b-6ceee615b8ea.png

4198 ms

font_1058190_q8gnhgm9um8.woff

font_1058190_q8gnhgm9um8.woff

402 ms

layer.css

layer.css

338 ms

hm.js

hm.js

956 ms

hm.gif

hm.gif

306 ms

Accessibility Review

ziroom.com accessibility score

54

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

Image elements do not have [alt] attributes

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

ziroom.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

ziroom.com SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ziroom.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Ziroom.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

ziroom.com

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