Tools & Wizards About Us
lanzhouvw.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

lanzhouvw.com

兰州城市供水(集团)有限公司 - 门户网站

Page Load Speed

86.7 sec in total

First Response

15.3 sec

Resources Loaded

71 sec

Page Rendered

463 ms

lanzhouvw.com screenshot

About Website

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

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Key Findings

We analyzed Lanzhouvw.com page load time and found that the first response time was 15.3 sec and then it took 71.4 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 21 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

lanzhouvw.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value27.4 s

0/100

25%

SI (Speed Index)

Value22.0 s

0/100

10%

TBT (Total Blocking Time)

Value1,670 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

lanzhouvw.com

15275 ms

css.css

13752 ms

jquery.js

20343 ms

setimg.js

10080 ms

_style.css

7689 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 87% of them (39 requests) were addressed to the original Lanzhouvw.com, 2% (1 request) were made to S4.cnzz.com and 2% (1 request) were made to Oz.cnzz.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Lanzhouvw.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 111.6 kB (52%)

Content Size

214.9 kB

After Optimization

103.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lanzhouvw.com main page is 214.9 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. Only 5% of websites need less resources to load. Images take 132.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 28.1 kB

  • Original 34.2 kB
  • After minification 29.5 kB
  • After compression 6.1 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 4.7 kB, which is 14% 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 28.1 kB or 82% of the original size.

Image Optimization

-36%

Potential reduce by 47.9 kB

  • Original 132.4 kB
  • After minification 84.5 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, Lanzhouvw needs image optimization as it can save up to 47.9 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 9.0 kB

  • Original 13.4 kB
  • After minification 12.3 kB
  • After compression 4.4 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 9.0 kB or 67% of the original size.

CSS Optimization

-76%

Potential reduce by 26.6 kB

  • Original 34.9 kB
  • After minification 28.3 kB
  • After compression 8.3 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. Lanzhouvw.com needs all CSS files to be minified and compressed as it can save up to 26.6 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (50%)

Requests Now

22

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lanzhouvw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lanzhouvw.com

lanzhouvw.com

15275 ms

css.css

css.css

13752 ms

jquery.js

jquery.js

20343 ms

setimg.js

setimg.js

10080 ms

_style.css

_style.css

7689 ms

_mobile.css

_mobile.css

3871 ms

primary-blue.css

primary-blue.css

4174 ms

roll.js

roll.js

4553 ms

body.gif

body.gif

604 ms

top.png

top.png

540 ms

head.png

head.png

5870 ms

logo.gif

logo.gif

6111 ms

index.jpg

index.jpg

19984 ms

nav.png

nav.png

16123 ms

nav_li.png

nav_li.png

19982 ms

t_pic.gif

t_pic.gif

14578 ms

more.gif

more.gif

6667 ms

2014716151652928.jpg

2014716151652928.jpg

19980 ms

2014716151517280.jpg

2014716151517280.jpg

19979 ms

2014716151245225.jpg

2014716151245225.jpg

19980 ms

2014716145716932.jpg

2014716145716932.jpg

19978 ms

2014521122134337.jpg

2014521122134337.jpg

19978 ms

2014521121130818.jpg

2014521121130818.jpg

19978 ms

l_1.gif

l_1.gif

19976 ms

l_2.gif

l_2.gif

19976 ms

huibiao.png

huibiao.png

19974 ms

t_l.gif

t_l.gif

19951 ms

on1.gif

on1.gif

19952 ms

d9.gif

d9.gif

19951 ms

secondary-blue.css

secondary-blue.css

19816 ms

p_bg.gif

p_bg.gif

19740 ms

pro_bg.png

pro_bg.png

19743 ms

next.gif

next.gif

19742 ms

up.gif

up.gif

19743 ms

z_stat.php

z_stat.php

2935 ms

image-sprite.png

image-sprite.png

12342 ms

bg-footer-copyright.png

bg-footer-copyright.png

8019 ms

stat.htm

stat.htm

180 ms

core.php

core.php

1005 ms

9.gif

9.gif

794 ms

pic.gif

pic.gif

1347 ms

bg-seperator.png

bg-seperator.png

5813 ms

shadow-2.png

shadow-2.png

6882 ms

banner-abstract.png

banner-abstract.png

20034 ms

app.gif

app.gif

2155 ms

Accessibility Review

lanzhouvw.com accessibility score

90

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Best Practices

lanzhouvw.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Missing source maps for large first-party JavaScript

SEO Factors

lanzhouvw.com SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

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 Lanzhouvw.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 Lanzhouvw.com 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

lanzhouvw.com

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