Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

chahaoba.com

首页 | 查号吧

Page Load Speed

4.4 sec in total

First Response

448 ms

Resources Loaded

3.9 sec

Page Rendered

76 ms

chahaoba.com screenshot

About Website

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

查号吧网站创建于1998年,主要提供国际国内长途电话区号、手机归属、特殊电话号码的查询服务。经过不断完善和扩展,目前已经用10多种语言提供200多个国家和地区的相关区号、号码查询服务。

Visit chahaoba.com

Key Findings

We analyzed Chahaoba.com page load time and found that the first response time was 448 ms and then it took 3.9 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

chahaoba.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value1,230 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

chahaoba.com

448 ms

chahaoba.com

868 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

217 ms

css_QzUnW0mBZmmqmxOMAJgeSi6ShBOpLrioIutP47-d8ec.css

431 ms

css_Kwa0UDz4gWMoLxZZ6_LyNA2SBh8u5CnKedaVrxsr7mM.css

639 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 43% of them (25 requests) were addressed to the original Chahaoba.com, 10% (6 requests) were made to Pagead2.googlesyndication.com and 10% (6 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Chahaoba.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 177.9 kB (25%)

Content Size

717.5 kB

After Optimization

539.6 kB

In fact, the total size of Chahaoba.com main page is 717.5 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. 55% of websites need less resources to load. Javascripts take 646.5 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 13.0 kB

  • Original 19.2 kB
  • After minification 17.9 kB
  • After compression 6.2 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 13.0 kB or 68% of the original size.

Image Optimization

-11%

Potential reduce by 1.4 kB

  • Original 13.1 kB
  • After minification 11.7 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, Chahaoba needs image optimization as it can save up to 1.4 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

-21%

Potential reduce by 136.2 kB

  • Original 646.5 kB
  • After minification 646.4 kB
  • After compression 510.3 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 136.2 kB or 21% of the original size.

CSS Optimization

-71%

Potential reduce by 27.3 kB

  • Original 38.7 kB
  • After minification 38.0 kB
  • After compression 11.3 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. Chahaoba.com needs all CSS files to be minified and compressed as it can save up to 27.3 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (81%)

Requests Now

54

After Optimization

10

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chahaoba. 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 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

chahaoba.com accessibility score

84

Accessibility Issues

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

chahaoba.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

chahaoba.com SEO score

73

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

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chahaoba.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 Chahaoba.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 Chahaoba. 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: