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wf-alert.com screenshot

59

Performance

Renders faster than
75% of other websites
59

Accessibility

Visual factors better than
that of 26% of websites
75

Best Practices

More advanced features
available than in
36% of websites
100

SEO

Google-friendlier than
95% of websites

First Response

1.8 sec

Resources Loaded

1.8 sec

Page Rendered

101 ms

wf-alert.com screenshot

About Website

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

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Key Findings

We analyzed Wf-alert.com page load time and found that the first response time was 1.8 sec and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.326

35/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

wf-alert.com

1829 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Wf-alert.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Wf-alert.com.

Content Size

201 B

After Optimization

164 B

In fact, the total size of Wf-alert.com main page is 201 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 201 B which makes up the majority of the site volume.

HTML Optimization

-18%

Potential reduce by 37 B

Original 201 B
After minification 200 B
After compression 164 B

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 37 B or 18% of the original size.

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

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

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

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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 uses legible font sizes

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wf-alert.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 Wf-alert.com main page’s claimed encoding is iso-8859-1. 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

wf-alert.com

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