Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

caissa.com.cn

北京凯撒旅游-北京凯撒国旅,5A旅行社,中国百强国际旅行社,您的旅游专家

Page Load Speed

36.9 sec in total

First Response

2.9 sec

Resources Loaded

33.5 sec

Page Rendered

622 ms

caissa.com.cn screenshot

About Website

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

北京凯撒旅游网是凯撒旅游旗下专业旅行服务网站。北京凯撒旅游网为广大用户提供团队旅游、自由行、签证、邮轮、海岛等全方位旅游产品及在线旅游预订服务。凯撒旅游是5A旅行社,连续多年荣获北京诚信旅行社、中国百强国际旅行社、中国出境游十大批发商等荣誉。

Visit caissa.com.cn

Key Findings

We analyzed Caissa.com.cn page load time and found that the first response time was 2.9 sec and then it took 34.1 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 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

caissa.com.cn performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value640 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.155

74/100

15%

TTI (Time to Interactive)

Value19.7 s

2/100

10%

Network Requests Diagram

www.caissa.com.cn

2857 ms

index20131001.min.css

6292 ms

jquery1.7.1.min.js

5085 ms

jquery.cookie.js

5079 ms

jcarousellite_1.0.1.min.js

5079 ms

Our browser made a total of 160 requests to load all elements on the main page. We found that 14% of them (23 requests) were addressed to the original Caissa.com.cn, 59% (94 requests) were made to Img.caissa.com.cn and 5% (8 requests) were made to About.caissa.com.cn. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Caissa.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 555.0 kB (16%)

Content Size

3.4 MB

After Optimization

2.9 MB

In fact, the total size of Caissa.com.cn main page is 3.4 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. 60% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 122.6 kB

  • Original 152.4 kB
  • After minification 129.1 kB
  • After compression 29.8 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 23.3 kB, which is 15% 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 122.6 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 134.4 kB

  • Original 2.8 MB
  • After minification 2.7 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. Caissa images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 278.0 kB

  • Original 439.2 kB
  • After minification 333.3 kB
  • After compression 161.2 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 278.0 kB or 63% of the original size.

CSS Optimization

-77%

Potential reduce by 20.0 kB

  • Original 26.2 kB
  • After minification 25.7 kB
  • After compression 6.2 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. Caissa.com.cn needs all CSS files to be minified and compressed as it can save up to 20.0 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (36%)

Requests Now

156

After Optimization

100

The browser has sent 156 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Caissa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

caissa.com.cn accessibility score

62

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Best Practices

caissa.com.cn best practices score

67

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

High

Missing source maps for large first-party JavaScript

SEO Factors

caissa.com.cn SEO score

54

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

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Caissa.com.cn 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 Caissa.com.cn main page’s claimed encoding is gb2312. 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

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