Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

800num.com

400电话|400号码|400电话办理|400电话申请|400电话开通|傲天400电话办理中心|全球800免费电话-全国400电话业务400num.com

Page Load Speed

77.7 sec in total

First Response

6.9 sec

Resources Loaded

70.6 sec

Page Rendered

201 ms

800num.com screenshot

About Website

Visit 800num.com now to see the best up-to-date 800 Num content and also check out these interesting facts you probably never knew about 800num.com

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Visit 800num.com

Key Findings

We analyzed 800num.com page load time and found that the first response time was 6.9 sec and then it took 70.8 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 18 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

800num.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

www.800num.com

6878 ms

style.css

1172 ms

jquery.1.4.2.js

14365 ms

facebox.js

2239 ms

facebox.css

2274 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 71% of them (37 requests) were addressed to the original 800num.com, 12% (6 requests) were made to Bdimg.share.baidu.com and 4% (2 requests) were made to Count40.51yes.com. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain 800num.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 230.8 kB (70%)

Content Size

330.2 kB

After Optimization

99.4 kB

In fact, the total size of 800num.com main page is 330.2 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. 15% of websites need less resources to load. Javascripts take 232.3 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 44.6 kB

  • Original 56.5 kB
  • After minification 55.2 kB
  • After compression 11.9 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. 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 44.6 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 104 B

  • Original 34.7 kB
  • After minification 34.6 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. 800 Num images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 182.5 kB

  • Original 232.3 kB
  • After minification 180.1 kB
  • After compression 49.8 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 182.5 kB or 79% of the original size.

CSS Optimization

-54%

Potential reduce by 3.6 kB

  • Original 6.7 kB
  • After minification 6.3 kB
  • After compression 3.1 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. 800num.com needs all CSS files to be minified and compressed as it can save up to 3.6 kB or 54% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (61%)

Requests Now

33

After Optimization

13

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 800 Num. 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 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

800num.com accessibility score

61

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

800num.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

800num.com SEO score

58

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

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 800num.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 800num.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 800 Num. 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: