Access tiebaobei.com. 【铁甲二手机】-买卖二手挖掘机、二手工程车及二手工程机械交易平台

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value15.1 s

0/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value1,270 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.272

45/100

15%

TTI (Time to Interactive)

Value13.7 s

11/100

10%

tiebaobei.com

1170 ms

www.tiebaobei.com

3814 ms

style.css

2169 ms

echarts.js

5755 ms

codemirror.js

2910 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 23% of them (15 requests) were addressed to the original Tiebaobei.com, 54% (35 requests) were made to Upimg.tiebaobei.com and 6% (4 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (6.2 sec) relates to the external source Upimg.tiebaobei.com.

Content Size

1.8 MB

After Optimization

1.6 MB

In fact, the total size of Tiebaobei.com main page is 1.8 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. 50% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 70.9 kB

Original 83.8 kB
After minification 73.3 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. This page needs HTML code to be minified as it can gain 10.5 kB, which is 13% 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 70.9 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 5.3 kB

Original 1.6 MB
After minification 1.6 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. Tiebaobei images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 86.5 kB

Original 120.4 kB
After minification 120.4 kB
After compression 33.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 86.5 kB or 72% of the original size.

Requests Now

After Optimization

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tiebaobei. 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.

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

Form elements do not have associated labels

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

Requests the geolocation permission on page load

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ZH
Language Claimed

ZH
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tiebaobei.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Tiebaobei.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

tiebaobei.com

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

【铁甲二手机】-买卖二手挖掘机、二手工程车及二手工程机械交易平台

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

tiebaobei.com

www.tiebaobei.com

style.css

echarts.js

codemirror.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

tiebaobei.com

www.tiebaobei.com

style.css

echarts.js

codemirror.js

os.js

aq_auth.js

jquery-1.7.2.min.js

jquery.alerts.js

common.js

echartsExample.js

index.js

a28b7c4138f026ad7f5c3947592d80fc.jpg!640x480n

f67c6d34f9926abd97bf8c00d19597f7.jpg!640x480n

f2825d4cad6195d911db5cdc4e46931a.jpg!640x480n

b68d771c0b073cbc0c7b2004b62c969e.jpg!320x240

e2f9ab69b65bd64f416816e285cd2cc1.jpg!320x240

f05ad462926955c9fafcb9efca4f2998.jpg!320x240

5df61eb85d688f9d55eb7eb7b7fefe9d.jpg!320x240

d8f5c990a459c4b4797e558b73d9b854.jpg!320x240

400f5f4cb123d266fd530af8b1eb3252.jpg!320x240

d9927c3eb020fddae5df1ae110861ab4.jpg!320x240

65fed851e09dd757480e0467e63b33f0.jpg!320x240

ca07c5b8299b0e49d3d1f38f276ccf57.jpg!320x240

1ae33465d805f6fa5452c02f9f89bf28.jpg!320x240

4fafe2ea1d348d432242ead5ce45e0fa.jpg!320x240

843ded89a31b7e2fd008b5e7734aef60.jpg!320x240

f87d6da43a7d4867f91adc1d8caa17a1.jpg!320x240

626ef3eeb1302f31b88abd042f43ac29.jpg!320x240

896494a1a1a133f2510dc94ab91e49d2.jpg!320x240

036137e7cc16184c7432d811c15008c3.jpg!320x240

a2445ef68c1c24fd63c785ce91194d81.png!320x240

ef79b8cfc51f3054f847c464154cfebd.jpg!320x240

ee614af15cce9b008867aea2270890a2.jpg!320x240

8f42103ca6f7b8fb3a6f6ef934dc165d.jpg!320x240

20f830a23625fa0432de82c34fdb7795.jpg!320x240

3f406bc8fb43b399f13ca6eb5592e1cd.jpg!320x240

404efd2cf280dd5637e298e647d731bf.jpg!320x240

7f17b1ea61f0728d163891e0fcc71787.jpg!320x240

71ff7d4eac3c11999e0d94fa77b0d91f.jpg!320x240

0888acd18280543c26a54c111d8e4edd.jpg!320x240

473b2b6ba5d0b4bc910da2a9c74384a3.jpg!320x240

d7f783a8e31a9c8e22f686385254dfdf.jpg!320x240

4e5ff53924c0cac2ae1cbc0177134d8a.jpg!320x240