sjtu.edu.cn website information.
sjtu.edu.cn domain name is registered by .CN top-level domain registry. See the other sites registred in .CN domain zone.
Following name servers are specified for sjtu.edu.cn domain:
- dns.sjtu.edu.cn
- apple.sjtu.edu.cn
and probably website sjtu.edu.cn is hosted by TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW web hosting company. Check the complete list of other most popular websites hosted by TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW hosting company.
According to Alexa traffic rank the highest website sjtu.edu.cn position was 3387 (in the world). The lowest Alexa rank position was 3842. Now website sjtu.edu.cn ranked in Alexa database as number 3826 (in the world).
Website sjtu.edu.cn Desktop speed measurement score (59/100) is better than the results of 34.36% of other sites shows that the page desktop performance can be improved.
sjtu.edu.cn Mobile usability score (100/100) is better than the results of 100% of other sites and means that the page is mobile-friendly.
Mobile speed measurement score of sjtu.edu.cn (39/100) is better than the results of 17.83% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
Weekly Rank Report
| Date | Rank | Change |
|---|---|---|
| Nov-07-2024 | 3,826 | 14 |
| Nov-06-2024 | 3,840 | -32 |
| Nov-05-2024 | 3,808 | 11 |
| Nov-04-2024 | 3,819 | 23 |
| Nov-03-2024 | 3,842 | -18 |
| Nov-02-2024 | 3,824 | -4 |
| Nov-01-2024 | 3,820 | 0 |
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sjtu.edu.cn Rank History
Alexa can identify the popularity of a website as well as its competitors. It is important for website owners and bloggers to know their Alexa ranking because it shows how many visitors have viewed their web page. It gives them a clear idea of how popular their website is on the internet and the ranking of their competitors.
sjtu.edu.cn whois
WHOIS is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system, but is also used for a wider range of other information.
Out of this registry.
sjtu.edu.cn server information
sjtu.edu.cn desktop page speed rank
Last tested: 2019-12-02
sjtu.edu.cn Desktop Speed Test Quick Summary
priority - 21 Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 207.7KiB (71% reduction).
Compressing https://jaccount.sjtu.edu.cn/jaccount/jalogin?sid=…S%2BTeNR3iIBIpsKOd0%3D could save 14.5KiB (74% reduction).
Compressing https://jaccount.sjtu.edu.cn/jaccount/css/login.css?v=20190909 could save 12.7KiB (76% reduction).
Compressing https://jaccount.sjtu.edu.cn/jaccount/js/mc.js could save 9KiB (76% reduction).
priority - 18 Avoid landing page redirects
Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
https://sjtu.edu.cn/
https://mail.sjtu.edu.cn/jaccount/login.jsp
https://jaccount.sjtu.edu.cn/jaccount/jalogin?sid=…S%2BTeNR3iIBIpsKOd0%3D
priority - 14 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Remove render-blocking JavaScript:
Optimize CSS Delivery of the following:
priority - 12 Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 112.8KiB (45% reduction).
Minifying https://jaccount.sjtu.edu.cn/jaccount/js/mc.js could save 5.7KiB (49% reduction).
priority - 5 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 47.7KiB (19% reduction).
Compressing https://jaccount.sjtu.edu.cn/jaccount/image/pic-j.png could save 14.4KiB (12% reduction).
Compressing https://jaccount.sjtu.edu.cn/jaccount/image/sjtu.png?v=20161228 could save 5.2KiB (13% reduction).
Compressing https://jaccount.sjtu.edu.cn/jaccount/image/ja-net.png could save 3.3KiB (27% reduction).
Compressing https://jaccount.sjtu.edu.cn/jaccount/captcha?uuid…f538cf&t=1575299721803 could save 332B (26% reduction).
priority - 3 Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://jaccount.sjtu.edu.cn/jaccount/image/pic-j.png (expiration not specified)
https://jaccount.sjtu.edu.cn/jaccount/image/verify.gif (expiration not specified)
https://jaccount.sjtu.edu.cn/jaccount/js/jquery-1.7.1.js (expiration not specified)
https://jaccount.sjtu.edu.cn/jaccount/js/mc.js (expiration not specified)
https://www.google.com/recaptcha/api2/webworker.js…nbHAdFrusJCwoMVGTXoHoM (5 minutes)
https://www.recaptcha.net/recaptcha/api.js?onload=…render=onload&hl=en_US (5 minutes)
priority - 1 Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 7.7KiB (40% reduction).
priority - 0 Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 3.7KiB (23% reduction).
sjtu.edu.cn Desktop Resources
| Total Resources | 25 |
| Number of Hosts | 7 |
| Static Resources | 11 |
| JavaScript Resources | 7 |
| CSS Resources | 2 |
sjtu.edu.cn Desktop Resource Breakdown
sjtu.edu.cn mobile page speed rank
Last tested: 2019-12-02
sjtu.edu.cn Mobile Speed Test Quick Summary
priority - 67 Avoid landing page redirects
Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
https://sjtu.edu.cn/
https://mail.sjtu.edu.cn/jaccount/login.jsp
https://jaccount.sjtu.edu.cn/jaccount/jalogin?sid=…FXzH90tg9mip0cF9OFg%3D
priority - 56 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Remove render-blocking JavaScript:
Optimize CSS Delivery of the following:
priority - 20 Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 198.9KiB (71% reduction).
Compressing https://jaccount.sjtu.edu.cn/jaccount/jalogin?sid=…FXzH90tg9mip0cF9OFg%3D could save 14.6KiB (74% reduction).
Compressing https://jaccount.sjtu.edu.cn/jaccount/css/login.css?v=20190909 could save 12.7KiB (76% reduction).
priority - 11 Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 107.1KiB (45% reduction).
priority - 9 Reduce server response time
In our test, your server responded in 0.80 seconds.
There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.
priority - 5 Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://jaccount.sjtu.edu.cn/jaccount/image/mobile_phone.png (expiration not specified)
https://jaccount.sjtu.edu.cn/jaccount/image/pic-j.png (expiration not specified)
https://jaccount.sjtu.edu.cn/jaccount/image/verify.gif (expiration not specified)
https://jaccount.sjtu.edu.cn/jaccount/js/jquery-1.7.1.js (expiration not specified)
https://www.google.com/recaptcha/api2/webworker.js…nbHAdFrusJCwoMVGTXoHoM (5 minutes)
https://www.recaptcha.net/recaptcha/api.js?onload=…render=onload&hl=en_US (5 minutes)
priority - 2 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 23.3KiB (13% reduction).
Compressing https://jaccount.sjtu.edu.cn/jaccount/image/sjtu.png?v=20161228 could save 5.2KiB (13% reduction).
Compressing https://jaccount.sjtu.edu.cn/jaccount/image/ja-net.png could save 3.3KiB (27% reduction).
Compressing https://jaccount.sjtu.edu.cn/jaccount/captcha?uuid…51a767&t=1575304706919 could save 316B (25% reduction).
priority - 1 Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 7.7KiB (40% reduction).
priority - 0 Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 3.7KiB (23% reduction).
sjtu.edu.cn Mobile Resources
| Total Resources | 23 |
| Number of Hosts | 7 |
| Static Resources | 11 |
| JavaScript Resources | 6 |
| CSS Resources | 2 |
sjtu.edu.cn Mobile Resource Breakdown
sjtu.edu.cn mobile page usability
Last tested: 2019-12-02
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sjtu.edu.cn Ping
Ping is a networking utility tool to test if a particular host is reachable. It is a diagnostic that checks reachability of a host on an Internet Protocol (IP) network. In a computer network, a ping test is a way of sending messages from one host to another. Aside from checking if the host is connected to a network, ping also gives indicators of the reliability and general speed of the connection.
sjtu.edu.cn TRACEROUTE
Traceroute is a network diagnostic tool used to track the pathway taken by a packet on an IP network from source to destination. Traceroute also records the time taken for each hop the packet makes during its route to the destination. Traceroute uses ICMP (Internet Control Message Protocol) echo packets with variable time to live values. The response time of each hop is calculated. To guarantee accuracy, each hop is queried multiple times (usually three times) to better measure the response of that particular hop.