Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

wzotc.com

温州海外旅游公司 - 旅游,出境旅游,国内旅游

Page Load Speed

48.6 sec in total

First Response

3.3 sec

Resources Loaded

44.8 sec

Page Rendered

593 ms

wzotc.com screenshot

About Website

Click here to check amazing Wzotc content. Otherwise, check out these important facts you probably never knew about wzotc.com

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Key Findings

We analyzed Wzotc.com page load time and found that the first response time was 3.3 sec and then it took 45.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% 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

wzotc.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value24.4 s

0/100

25%

SI (Speed Index)

Value18.5 s

0/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value1.178

1/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

wzotc.com

3264 ms

index.html

7398 ms

bootstrap.css

10451 ms

index.css

1723 ms

jquery-1.7.2.min.js

19950 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 70% of them (42 requests) were addressed to the original Wzotc.com, 7% (4 requests) were made to Player.youku.com and 5% (3 requests) were made to Combo.b.qq.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Wzotc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 326.5 kB (53%)

Content Size

616.1 kB

After Optimization

289.6 kB

In fact, the total size of Wzotc.com main page is 616.1 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. 20% of websites need less resources to load. Images take 194.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 87.8 kB

  • Original 104.8 kB
  • After minification 85.8 kB
  • After compression 17.0 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 19.1 kB, which is 18% 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 87.8 kB or 84% of the original size.

Image Optimization

-14%

Potential reduce by 26.3 kB

  • Original 194.5 kB
  • After minification 168.2 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, Wzotc needs image optimization as it can save up to 26.3 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-50%

Potential reduce by 83.1 kB

  • Original 165.9 kB
  • After minification 132.4 kB
  • After compression 82.7 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 83.1 kB or 50% of the original size.

CSS Optimization

-86%

Potential reduce by 129.3 kB

  • Original 150.9 kB
  • After minification 119.4 kB
  • After compression 21.6 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. Wzotc.com needs all CSS files to be minified and compressed as it can save up to 129.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (33%)

Requests Now

40

After Optimization

27

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wzotc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

wzotc.com accessibility score

83

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

wzotc.com best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

wzotc.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

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wzotc.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Wzotc.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 Wzotc. 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: