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51sat.com screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

51sat.com

天道培训_北京最好的托福、sat培训班提供出国考试一对一和精品小班,保分进名校的首选品牌

Page Load Speed

14.6 sec in total

First Response

1 sec

Resources Loaded

13.2 sec

Page Rendered

342 ms

51sat.com screenshot

About Website

Visit 51sat.com now to see the best up-to-date 51 Sat content for United States and also check out these interesting facts you probably never knew about 51sat.com

天道培训是您出国考试的首选品牌，为您提供北京最好的sat考试培训、托福考试培训，采用一对一和精品小班课程，实现保分进名校。天道培训还整理了SAT、托福、雅思等相关考试及培训信息，使您考试无忧。

Visit 51sat.com

Key Findings

We analyzed 51sat.com page load time and found that the first response time was 1 sec and then it took 13.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

51sat.com performance score

0

Network Requests Diagram

51sat.com

1012 ms

base.css

298 ms

body.css

594 ms

jquery.js

1551 ms

swfobject.js

901 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 73% of them (77 requests) were addressed to the original 51sat.com, 7% (7 requests) were made to Lxbjs.baidu.com and 4% (4 requests) were made to Kefu4.tiandaoedu.com. The less responsive or slowest element that took the longest time to load (5.7 sec) belongs to the original domain 51sat.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 438.1 kB (24%)

Content Size

1.8 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 51sat.com main page is 1.8 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. 35% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 39.5 kB

  • Original 50.6 kB
  • After minification 46.5 kB
  • After compression 11.1 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. 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 39.5 kB or 78% of the original size.

Image Optimization

-9%

Potential reduce by 131.6 kB

  • Original 1.4 MB
  • After minification 1.3 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. 51 Sat images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 232.4 kB

  • Original 333.4 kB
  • After minification 309.8 kB
  • After compression 101.0 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 232.4 kB or 70% of the original size.

CSS Optimization

-80%

Potential reduce by 34.6 kB

  • Original 43.4 kB
  • After minification 36.3 kB
  • After compression 8.8 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. 51sat.com needs all CSS files to be minified and compressed as it can save up to 34.6 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (20%)

Requests Now

102

After Optimization

82

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Sat. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

51sat.com

51sat.com

1012 ms

base.css

base.css

298 ms

body.css

body.css

594 ms

jquery.js

jquery.js

1551 ms

swfobject.js

swfobject.js

901 ms

api.php

api.php

970 ms

kf.js

kf.js

2154 ms

stat.php

stat.php

1190 ms

logo_02.jpg

logo_02.jpg

302 ms

jiaguanzhu.jpg

jiaguanzhu.jpg

301 ms

renxihuan.jpg

renxihuan.jpg

306 ms

lunbo_toefl.jpg

lunbo_toefl.jpg

1870 ms

satqjb.jpg

satqjb.jpg

2522 ms

sat.jpg

sat.jpg

1573 ms

rdhd.jpg

rdhd.jpg

984 ms

_1012461G.jpg

_1012461G.jpg

685 ms

_101324350.jpg

_101324350.jpg

687 ms

ys308_79.jpg

ys308_79.jpg

1375 ms

tf308_79.jpg

tf308_79.jpg

1373 ms

banner3_07.jpg

banner3_07.jpg

1290 ms

mh.jpg

mh.jpg

1594 ms

t1.jpg

t1.jpg

1718 ms

t5.jpg

t5.jpg

1717 ms

hci.jpg

hci.jpg

1905 ms

hnz.jpg

hnz.jpg

1971 ms

hc.jpg

hc.jpg

2098 ms

lyl.jpg

lyl.jpg

2099 ms

lbj.jpg

lbj.jpg

2224 ms

lns.jpg

lns.jpg

2220 ms

sbh.jpg

sbh.jpg

2312 ms

sl.jpg

sl.jpg

2468 ms

xyl.jpg

xyl.jpg

2467 ms

zmz.jpg

zmz.jpg

2525 ms

t2.jpg

t2.jpg

2586 ms

t3.jpg

t3.jpg

2621 ms

t6.jpg

t6.jpg

3262 ms

t7.jpg

t7.jpg

3291 ms

t8.jpg

t8.jpg

2895 ms

t9.jpg

t9.jpg

2898 ms

t10.jpg

t10.jpg

2930 ms

t11.jpg

t11.jpg

3817 ms

t12.jpg

t12.jpg

3194 ms

t13.jpg

t13.jpg

3197 ms

t14.jpg

t14.jpg

3277 ms

kt1.jpg

kt1.jpg

3201 ms

kt3.jpg

kt3.jpg

3204 ms

kt4.jpg

kt4.jpg

3307 ms

h.js

h.js

1725 ms

kt5.jpg

kt5.jpg

2956 ms

kt6.jpg

kt6.jpg

2970 ms

kt7.jpg

kt7.jpg

2815 ms

hd1.jpg

hd1.jpg

2509 ms

hd2.jpg

hd2.jpg

2581 ms

hd3.jpg

hd3.jpg

2610 ms

hd4.jpg

hd4.jpg

2434 ms

hd5.jpg

hd5.jpg

2503 ms

hd6.jpg

hd6.jpg

2383 ms

1.jpg

1.jpg

2413 ms

2.jpg

2.jpg

3959 ms

3.jpg

3.jpg

5683 ms

4.jpg

4.jpg

3678 ms

5.jpg

5.jpg

2328 ms

6.jpg

6.jpg

2328 ms

7.jpg

7.jpg

2725 ms

8.jpg

8.jpg

2516 ms

9.jpg

9.jpg

2432 ms

lxb.js

lxb.js

1721 ms

stat.htm

stat.htm

253 ms

core.php

core.php

719 ms

hm.gif

hm.gif

526 ms

10.jpg

10.jpg

2627 ms

btnzx.gif

btnzx.gif

2593 ms

icons.jpg

icons.jpg

3439 ms

navbg_03.jpg

navbg_03.jpg

2857 ms

navbg.jpg

navbg.jpg

2834 ms

bgs.gif

bgs.gif

3102 ms

titlebg.gif

titlebg.gif

2848 ms

xuline1_03.jpg

xuline1_03.jpg

3176 ms

xuline2_03.jpg

xuline2_03.jpg

3120 ms

9.gif

9.gif

890 ms

3.json

3.json

303 ms

btnbgs.jpg

btnbgs.jpg

2876 ms

bigbg_03.jpg

bigbg_03.jpg

4105 ms

titlebg2.jpg

titlebg2.jpg

3612 ms

ss_03.jpg

ss_03.jpg

3630 ms

touming.png

touming.png

3081 ms

theme2.css

theme2.css

297 ms

track

track

1149 ms

bgg_03.jpg

bgg_03.jpg

3660 ms

app.gif

app.gif

1041 ms

log.gif

log.gif

368 ms

_l.js

_l.js

807 ms

sendmsg.jsp

sendmsg.jsp

1194 ms

sendmsg.jsp

sendmsg.jsp

1815 ms

log.gif

log.gif

3357 ms

float.css

float.css

369 ms

56d96670d8e58.png

56d96670d8e58.png

836 ms

sendmsg.jsp

sendmsg.jsp

1550 ms

btn-show-bg.png

btn-show-bg.png

933 ms

log.gif

log.gif

477 ms

log.gif

log.gif

366 ms

1.png

1.png

2374 ms

close.png

close.png

1227 ms

hm.gif

hm.gif

444 ms

sendmsg.jsp

sendmsg.jsp

871 ms

SEO Factors

51sat.com SEO score

0

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 51sat.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 51sat.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

51sat.com

Open Graph description is not detected on the main page of 51 Sat. 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: