Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

bj17z.com

首页

Page Load Speed

36.1 sec in total

First Response

5.2 sec

Resources Loaded

30.7 sec

Page Rendered

204 ms

bj17z.com screenshot

About Website

Visit bj17z.com now to see the best up-to-date Bj 17 Z content and also check out these interesting facts you probably never knew about bj17z.com

北京市第十七中学,2005年12月被正式认定为市级高中示范校。现有初、高两部57个教学班,共有学生2000余人,教职工近240位,共有陶家湾、百子湾、高碑店、沿海赛洛城四个校区。位于朝阳区东四环,紧邻CBD核心区。

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Key Findings

We analyzed Bj17z.com page load time and found that the first response time was 5.2 sec and then it took 30.9 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

bj17z.com performance score

0

Network Requests Diagram

bj17z.com

5229 ms

config.js

697 ms

jquery.min.js

7640 ms

common.js

2112 ms

login.js

708 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 87% of them (45 requests) were addressed to the original Bj17z.com, 2% (1 request) were made to M.weather.com.cn and 2% (1 request) were made to S13.cnzz.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Bj17z.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 127.9 kB (71%)

Content Size

179.9 kB

After Optimization

52.0 kB

In fact, the total size of Bj17z.com main page is 179.9 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 10% of websites need less resources to load. HTML takes 98.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 84.2 kB

  • Original 98.4 kB
  • After minification 82.0 kB
  • After compression 14.2 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 16.4 kB, which is 17% 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 84.2 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 12.6 kB
  • After minification 12.6 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. Bj 17 Z images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 23.5 kB

  • Original 43.6 kB
  • After minification 43.3 kB
  • After compression 20.1 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 23.5 kB or 54% of the original size.

CSS Optimization

-80%

Potential reduce by 20.2 kB

  • Original 25.3 kB
  • After minification 21.7 kB
  • After compression 5.1 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. Bj17z.com needs all CSS files to be minified and compressed as it can save up to 20.2 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (49%)

Requests Now

49

After Optimization

25

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bj 17 Z. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

SEO Factors

bj17z.com SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bj17z.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Bj17z.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Bj 17 Z. 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: