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Why Is Sinaimg.cn Slow? Here Are The Reasons

Sinaimg.cn is a popular website in the category. According to the latest CWVIQ speed report, Sinaimg.cn took 1.51 seconds to load the page. Anything over 5 seconds means that the website is too slow to load.

A slow load time could be due to a lot of things – poor network connectivity at your end, an unreliable hosting server, or a poorly optimized webpage.

First off, let’s look at a breakup of the loading time.

DNS Lookup Time

(Time taken to lookup the IP address of the server)

1055.11 ms
TCP Connection

(Time taken to establish a connection between your server and the server where Sinaimg.cn is hosted)

35.47 ms
SSL Handshake

(Time taken to verify server credentials by comparing public key with its digital signature)

0.04 ms
Server Processing

(Time it takes for the website’s server to process your request)

417.66 ms
Content Transfer

(Time it takes for the requested data to be transmitted to your server)

0.05 ms
TOTAL TIME 1.51 seconds

A high value for DNS lookup or TCP connection could be because of local settings, or internet connection.While a high server processing time or content transfer time could indicate issues with the website or its server.

We also studied the Sinaimg.cn Lighthouse report to look at the site’s performance. Here is what we found.

Speed Index – Time for the page content to be visibly populated 10.6 s
Server response time 115 ms
First Meaningful Paint – Time for the viewable content to be rendered to the user 1.4 s

How To Make Sinaimg.cn faster

Here are the top 18 ways to make Sinaimg.cn faster.

1. Time to Interactive – 17.83 seconds

Time to Interactive is the amount of time it takes for the page to become fully interactive.

2. Speed Index – 10.59 seconds

Speed Index shows how quickly the contents of a page are visibly populated.

3. Minimize main-thread work – 10.2 seconds

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this.

4. Largest Contentful Paint – 6.16 seconds

Largest Contentful Paint marks the time at which the largest text or image is painted.

5. Reduce JavaScript execution time – 5.65 seconds

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this.

6. Total Blocking Time – 2.47 seconds

Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.

7. Max Potential First Input Delay – 2.29 seconds

The maximum potential First Input Delay that your users could experience is the duration of the longest task.

8. Reduce unused JavaScript – 1.97 seconds

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity.

9. Efficiently encode images – 1.8 seconds

Optimized images load faster and consume less cellular data.

10. Serve images in next-gen formats – 1.71 seconds

Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption.

11. First Contentful Paint – 1.39 seconds

First Contentful Paint marks the time at which the first text or image is painted.

12. First Meaningful Paint – 1.39 seconds

First Meaningful Paint measures when the primary content of a page is visible.

13. Avoid multiple page redirects – 0.57 seconds

Redirects introduce additional delays before the page can be loaded.

14. Enable text compression – 0.55 seconds

Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes.

15. Preload Largest Contentful Paint image – 0.52 seconds

If the LCP element is dynamically added to the page, you should preload the image in order to improve LCP.

16. Minify JavaScript – 0.21 seconds

Minifying JavaScript files can reduce payload sizes and script parse time.

17. Reduce unused CSS – 0.14 seconds

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity.

18. Avoid serving legacy JavaScript to modern browsers – 0.04 seconds

Polyfills and transforms enable legacy browsers to use new JavaScript features. However, many aren’t necessary for modern browsers. For your bundled JavaScript, adopt a modern script deployment strategy using module/nomodule feature detection to reduce the amount of code shipped to modern browsers, while retaining support for legacy browsers.

In addition to these reasons, here are other ways to make Sinaimg.cn faster.

Serve static assets with an efficient cache policy – 464 resources found

A long cache lifetime can speed up repeat visits to your page.

Avoid enormous network payloads – Total size was 7,276 KiB

Large network payloads cost users real money and are highly correlated with long load times.

Cumulative Layout Shift – 0.05

Cumulative Layout Shift measures the movement of visible elements within the viewport.

Avoid an excessive DOM size – 3,852 elements

A large DOM will increase memory usage, cause longer

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