6.1 sec in total
336 ms
3.1 sec
2.6 sec
Click here to check amazing Shanghainavi content for Japan. Otherwise, check out these important facts you probably never knew about shanghainavi.com
上海旅行なら上海ナビ。上海の現地旅行情報をどこよりも早くゲット出来ます。
Visit shanghainavi.comWe analyzed Shanghainavi.com page load time and found that the first response time was 336 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
shanghainavi.com performance score
name
value
score
weighting
Value6.3 s
3/100
10%
Value10.9 s
0/100
25%
Value21.0 s
0/100
10%
Value5,180 ms
0/100
30%
Value0.002
100/100
15%
Value30.4 s
0/100
10%
336 ms
905 ms
515 ms
12 ms
370 ms
Our browser made a total of 192 requests to load all elements on the main page. We found that 4% of them (7 requests) were addressed to the original Shanghainavi.com, 57% (110 requests) were made to Imagec.navi.com and 14% (26 requests) were made to Imagel.navi.com. The less responsive or slowest element that took the longest time to load (905 ms) belongs to the original domain Shanghainavi.com.
Page size can be reduced by 2.1 MB (16%)
13.1 MB
10.9 MB
In fact, the total size of Shanghainavi.com main page is 13.1 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 11.6 MB which makes up the majority of the site volume.
Potential reduce by 109.4 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 109.4 kB or 79% of the original size.
Potential reduce by 1.1 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. Shanghainavi images are well optimized though.
Potential reduce by 648.5 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 648.5 kB or 67% of the original size.
Potential reduce by 268.3 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. Shanghainavi.com needs all CSS files to be minified and compressed as it can save up to 268.3 kB or 84% of the original size.
Number of requests can be reduced by 86 (45%)
190
104
The browser has sent 190 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shanghainavi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 45 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
shanghainavi.com
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shanghainavi.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
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
<html> element does not have a [lang] attribute
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
shanghainavi.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
shanghainavi.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Image elements do not have [alt] attributes
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
Document uses legible font sizes
Tap targets are not sized appropriately
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Shanghainavi.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese 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 Shanghainavi.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.
shanghainavi.com
Open Graph description is not detected on the main page of Shanghainavi. 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: