Tools & Wizards About Us
gaosan.com screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

gaosan.com

高三网_高中学习和高考升学平台

Page Load Speed

9 sec in total

First Response

659 ms

Resources Loaded

7.9 sec

Page Rendered

443 ms

gaosan.com screenshot

About Website

Welcome to gaosan.com homepage info - get ready to check Gaosan best content for China right away, or after learning these important things about gaosan.com

高中三年，陪你一起走过，涵盖高中全部科目学习方法和学习资料，以及高招信息，如大学名单、专业介绍等。有我陪伴，明天更光彩！

Visit gaosan.com

Key Findings

We analyzed Gaosan.com page load time and found that the first response time was 659 ms and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

gaosan.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.0 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value30.7 s

0/100

10%

Network Requests Diagram

www.gaosan.com

659 ms

css.css

1231 ms

j.js

220 ms

t.js

439 ms

js.js

979 ms

Our browser made a total of 162 requests to load all elements on the main page. We found that 5% of them (8 requests) were addressed to the original Gaosan.com, 47% (76 requests) were made to Img.gaosan.com and 40% (64 requests) were made to Img.diebian.net. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Img.diebian.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 662.4 kB (7%)

Content Size

9.5 MB

After Optimization

8.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gaosan.com main page is 9.5 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. 50% of websites need less resources to load. Images take 9.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 78.9 kB

  • Original 97.1 kB
  • After minification 86.2 kB
  • After compression 18.3 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 10.9 kB, which is 11% 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 78.9 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 386.8 kB

  • Original 9.1 MB
  • After minification 8.7 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. Gaosan images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 101.6 kB

  • Original 193.9 kB
  • After minification 183.6 kB
  • After compression 92.2 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 101.6 kB or 52% of the original size.

CSS Optimization

-85%

Potential reduce by 95.1 kB

  • Original 111.9 kB
  • After minification 102.9 kB
  • After compression 16.8 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. Gaosan.com needs all CSS files to be minified and compressed as it can save up to 95.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (22%)

Requests Now

158

After Optimization

124

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 158 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gaosan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.gaosan.com

www.gaosan.com

659 ms

css.css

css.css

1231 ms

j.js

j.js

220 ms

t.js

t.js

439 ms

js.js

js.js

979 ms

b.js

b.js

977 ms

b.js

b.js

439 ms

m.js

m.js

219 ms

jquery.min.js

jquery.min.js

486 ms

cssha.js

cssha.js

224 ms

json

json

669 ms

js.js

js.js

220 ms

materialData_gaosan.js

materialData_gaosan.js

238 ms

hm.js

hm.js

454 ms

%E6%B8%85%E5%8D%8E%E5%A4%A7%E5%AD%A6.png

%E6%B8%85%E5%8D%8E%E5%A4%A7%E5%AD%A6.png

1081 ms

%E5%8C%97%E4%BA%AC%E5%A4%A7%E5%AD%A6.png

%E5%8C%97%E4%BA%AC%E5%A4%A7%E5%AD%A6.png

1048 ms

%E6%B5%99%E6%B1%9F%E5%A4%A7%E5%AD%A6.png

%E6%B5%99%E6%B1%9F%E5%A4%A7%E5%AD%A6.png

1106 ms

%E4%B8%8A%E6%B5%B7%E4%BA%A4%E9%80%9A%E5%A4%A7%E5%AD%A6.png

%E4%B8%8A%E6%B5%B7%E4%BA%A4%E9%80%9A%E5%A4%A7%E5%AD%A6.png

1328 ms

%E5%A4%8D%E6%97%A6%E5%A4%A7%E5%AD%A6.png

%E5%A4%8D%E6%97%A6%E5%A4%A7%E5%AD%A6.png

1353 ms

%E5%8D%97%E4%BA%AC%E5%A4%A7%E5%AD%A6.png

%E5%8D%97%E4%BA%AC%E5%A4%A7%E5%AD%A6.png

1105 ms

%E4%B8%AD%E5%9B%BD%E7%A7%91%E5%AD%A6%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

%E4%B8%AD%E5%9B%BD%E7%A7%91%E5%AD%A6%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

1557 ms

%E5%8D%8E%E4%B8%AD%E7%A7%91%E6%8A%80%E5%A4%A7%E5%AD%A6.png

%E5%8D%8E%E4%B8%AD%E7%A7%91%E6%8A%80%E5%A4%A7%E5%AD%A6.png

1371 ms

%E6%AD%A6%E6%B1%89%E5%A4%A7%E5%AD%A6.png

%E6%AD%A6%E6%B1%89%E5%A4%A7%E5%AD%A6.png

1648 ms

%E8%A5%BF%E5%AE%89%E4%BA%A4%E9%80%9A%E5%A4%A7%E5%AD%A6.png

%E8%A5%BF%E5%AE%89%E4%BA%A4%E9%80%9A%E5%A4%A7%E5%AD%A6.png

1423 ms

%E6%B2%B3%E5%8C%97%E5%B7%A5%E4%B8%9A%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

%E6%B2%B3%E5%8C%97%E5%B7%A5%E4%B8%9A%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

1634 ms

%E5%94%90%E5%B1%B1%E5%B7%A5%E4%B8%9A%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

%E5%94%90%E5%B1%B1%E5%B7%A5%E4%B8%9A%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

1685 ms

%E6%B1%9F%E8%A5%BF%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

%E6%B1%9F%E8%A5%BF%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

1697 ms

%E6%B5%99%E6%B1%9F%E6%9C%BA%E7%94%B5%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

%E6%B5%99%E6%B1%9F%E6%9C%BA%E7%94%B5%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

1757 ms

%E9%87%91%E5%8D%8E%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

%E9%87%91%E5%8D%8E%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

1860 ms

%E6%9F%B3%E5%B7%9E%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

%E6%9F%B3%E5%B7%9E%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

1898 ms

%E5%8D%97%E5%AE%81%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

%E5%8D%97%E5%AE%81%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

1976 ms

%E5%93%88%E5%B0%94%E6%BB%A8%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

%E5%93%88%E5%B0%94%E6%BB%A8%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

1958 ms

%E6%96%B0%E7%96%86%E5%86%9C%E4%B8%9A%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

%E6%96%B0%E7%96%86%E5%86%9C%E4%B8%9A%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

2012 ms

%E9%95%BF%E6%98%A5%E6%B1%BD%E8%BD%A6%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

%E9%95%BF%E6%98%A5%E6%B1%BD%E8%BD%A6%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

2083 ms

%E5%AE%89%E9%98%B3%E5%B8%88%E8%8C%83%E5%AD%A6%E9%99%A2.png

%E5%AE%89%E9%98%B3%E5%B8%88%E8%8C%83%E5%AD%A6%E9%99%A2.png

2168 ms

%E9%9D%92%E6%B5%B7%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

%E9%9D%92%E6%B5%B7%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

2208 ms

%E6%B9%96%E5%8D%97%E6%B1%BD%E8%BD%A6%E5%B7%A5%E7%A8%8B%E8%81%8C%E4%B8%9A%E5%A4%A7%E5%AD%A6.png

%E6%B9%96%E5%8D%97%E6%B1%BD%E8%BD%A6%E5%B7%A5%E7%A8%8B%E8%81%8C%E4%B8%9A%E5%A4%A7%E5%AD%A6.png

2307 ms

%E6%B9%96%E5%8D%97%E5%A4%A7%E4%BC%97%E4%BC%A0%E5%AA%92%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%AD%A6%E9%99%A2.png

%E6%B9%96%E5%8D%97%E5%A4%A7%E4%BC%97%E4%BC%A0%E5%AA%92%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%AD%A6%E9%99%A2.png

2310 ms

%E8%BE%BD%E5%AE%81%E8%81%8C%E4%B8%9A%E5%AD%A6%E9%99%A2.png

%E8%BE%BD%E5%AE%81%E8%81%8C%E4%B8%9A%E5%AD%A6%E9%99%A2.png

2284 ms

%E6%B5%99%E6%B1%9F%E7%BB%8F%E6%B5%8E%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%AD%A6%E9%99%A2.png

%E6%B5%99%E6%B1%9F%E7%BB%8F%E6%B5%8E%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%AD%A6%E9%99%A2.png

2402 ms

%E6%B1%9F%E8%A5%BF%E6%97%85%E6%B8%B8%E5%95%86%E8%B4%B8%E8%81%8C%E4%B8%9A%E5%AD%A6%E9%99%A2.png

%E6%B1%9F%E8%A5%BF%E6%97%85%E6%B8%B8%E5%95%86%E8%B4%B8%E8%81%8C%E4%B8%9A%E5%AD%A6%E9%99%A2.png

2473 ms

%E5%A4%A9%E6%B4%A5%E7%8E%B0%E4%BB%A3%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%AD%A6%E9%99%A2.png

%E5%A4%A9%E6%B4%A5%E7%8E%B0%E4%BB%A3%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%AD%A6%E9%99%A2.png

2556 ms

%E9%83%91%E5%B7%9E%E8%88%AA%E7%A9%BA%E5%B7%A5%E4%B8%9A%E7%AE%A1%E7%90%86%E5%AD%A6%E9%99%A2.png

%E9%83%91%E5%B7%9E%E8%88%AA%E7%A9%BA%E5%B7%A5%E4%B8%9A%E7%AE%A1%E7%90%86%E5%AD%A6%E9%99%A2.png

2584 ms

%E5%8D%97%E4%BA%AC%E5%B7%A5%E4%B8%9A%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

%E5%8D%97%E4%BA%AC%E5%B7%A5%E4%B8%9A%E8%81%8C%E4%B8%9A%E6%8A%80%E6%9C%AF%E5%A4%A7%E5%AD%A6.png

2642 ms

%E8%8B%8F%E5%B7%9E%E5%A4%A7%E5%AD%A6.png

%E8%8B%8F%E5%B7%9E%E5%A4%A7%E5%AD%A6.png

2651 ms

%E9%A6%96%E9%83%BD%E5%8C%BB%E7%A7%91%E5%A4%A7%E5%AD%A6.png

%E9%A6%96%E9%83%BD%E5%8C%BB%E7%A7%91%E5%A4%A7%E5%AD%A6.png

2715 ms

%E9%83%91%E5%B7%9E%E5%A4%A7%E5%AD%A6.png

%E9%83%91%E5%B7%9E%E5%A4%A7%E5%AD%A6.png

2762 ms

%E4%B8%8A%E6%B5%B7%E5%A4%A7%E5%AD%A6.png

%E4%B8%8A%E6%B5%B7%E5%A4%A7%E5%AD%A6.png

2846 ms

%E5%8D%97%E6%96%B9%E5%8C%BB%E7%A7%91%E5%A4%A7%E5%AD%A6.png

%E5%8D%97%E6%96%B9%E5%8C%BB%E7%A7%91%E5%A4%A7%E5%AD%A6.png

2871 ms

%E5%8D%97%E4%BA%AC%E5%8C%BB%E7%A7%91%E5%A4%A7%E5%AD%A6.png

%E5%8D%97%E4%BA%AC%E5%8C%BB%E7%A7%91%E5%A4%A7%E5%AD%A6.png

2957 ms

logo.png

logo.png

247 ms

icon30.png

icon30.png

235 ms

icon50.png

icon50.png

247 ms

icon51.png

icon51.png

466 ms

icon52.png

icon52.png

465 ms

icon53.png

icon53.png

465 ms

ban__.png

ban__.png

490 ms

icon8.png

icon8.png

478 ms

bg.png

bg.png

1034 ms

icon15.png

icon15.png

703 ms

icon14.png

icon14.png

697 ms

icon17.png

icon17.png

701 ms

icon16.png

icon16.png

715 ms

icon13.png

icon13.png

732 ms

icon11.png

icon11.png

933 ms

icon12.png

icon12.png

937 ms

icon18.png

icon18.png

943 ms

icon4.png

icon4.png

946 ms

20240801165826148.jpg

20240801165826148.jpg

989 ms

20240801150621546.jpg

20240801150621546.jpg

1185 ms

20240804154317058.jpg

20240804154317058.jpg

1202 ms

20221230112639562.jpg

20221230112639562.jpg

1204 ms

20221223102029279.jpg

20221223102029279.jpg

1411 ms

20240803155423244.jpg

20240803155423244.jpg

1259 ms

20240801090355884.jpg

20240801090355884.jpg

1312 ms

20240801160020546.jpg

20240801160020546.jpg

1664 ms

20221116085654843.jpg

20221116085654843.jpg

1468 ms

20230418160150051.jpg

20230418160150051.jpg

1469 ms

20240619151650352.jpg

20240619151650352.jpg

1531 ms

20240622085548758.jpg

20240622085548758.jpg

1578 ms

20240529153947420.jpg

20240529153947420.jpg

1662 ms

20230912113922543.jpg

20230912113922543.jpg

1729 ms

20240514150010889.jpg

20240514150010889.jpg

1738 ms

20240528151217869.jpg

20240528151217869.jpg

1800 ms

20240514134816665.jpg

20240514134816665.jpg

1863 ms

tongji_code.js

tongji_code.js

1804 ms

share.js

share.js

995 ms

ai-bot-search-cdn-pc.js

ai-bot-search-cdn-pc.js

220 ms

tdx-gaosan-pc-15.min.js

tdx-gaosan-pc-15.min.js

1679 ms

20230513195917037.jpg

20230513195917037.jpg

1755 ms

20221124151819788.jpg

20221124151819788.jpg

1758 ms

hm.js

hm.js

1238 ms

20240729162042521.jpg

20240729162042521.jpg

1609 ms

20240626135054793.jpg

20240626135054793.jpg

1691 ms

20240609191332267.jpg

20240609191332267.jpg

1694 ms

20230524192441489.jpg

20230524192441489.jpg

1682 ms

20230830164223960.jpg

20230830164223960.jpg

1776 ms

20240801110257218.jpg

20240801110257218.jpg

1567 ms

20240802164339675.jpg

20240802164339675.jpg

1636 ms

20240801161309160.jpg

20240801161309160.jpg

1736 ms

20221230091204934.jpg

20221230091204934.jpg

1712 ms

20230726112447861.jpg

20230726112447861.jpg

1693 ms

icon6.png

icon6.png

1563 ms

logo_.png

logo_.png

1570 ms

icon24.png

icon24.png

1632 ms

icon25.png

icon25.png

1735 ms

icon26.png

icon26.png

1671 ms

icon27.png

icon27.png

1661 ms

%E5%93%88%E5%B0%94%E6%BB%A8%E5%8C%BB%E7%A7%91%E5%A4%A7%E5%AD%A6.png

%E5%93%88%E5%B0%94%E6%BB%A8%E5%8C%BB%E7%A7%91%E5%A4%A7%E5%AD%A6.png

1923 ms

%E8%A5%BF%E5%8C%97%E5%A4%A7%E5%AD%A6.png

%E8%A5%BF%E5%8C%97%E5%A4%A7%E5%AD%A6.png

1949 ms

%E6%B7%B1%E5%9C%B3%E5%A4%A7%E5%AD%A6.png

%E6%B7%B1%E5%9C%B3%E5%A4%A7%E5%AD%A6.png

1983 ms

%E6%B5%99%E6%B1%9F%E5%B7%A5%E4%B8%9A%E5%A4%A7%E5%AD%A6.png

%E6%B5%99%E6%B1%9F%E5%B7%A5%E4%B8%9A%E5%A4%A7%E5%AD%A6.png

2081 ms

icon28.png

icon28.png

1541 ms

icon29.png

icon29.png

1538 ms

img1.png

img1.png

1622 ms

img2.png

img2.png

1650 ms

2019-aerate.jpg

2019-aerate.jpg

1856 ms

1575-aerate.jpg

1575-aerate.jpg

1917 ms

2176-aerate.jpg

2176-aerate.jpg

1914 ms

1573-aerate.jpg

1573-aerate.jpg

1868 ms

1963-aerate.jpg

1963-aerate.jpg

1859 ms

2069-aerate.jpg

2069-aerate.jpg

1897 ms

hm.gif

hm.gif

295 ms

2279-aerate.jpg

2279-aerate.jpg

1869 ms

2165-aerate.jpg

2165-aerate.jpg

1922 ms

2337-aerate.jpg

2337-aerate.jpg

1960 ms

2182-aerate.jpg

2182-aerate.jpg

1860 ms

1565-aerate.jpg

1565-aerate.jpg

1862 ms

2166-aerate.jpg

2166-aerate.jpg

1911 ms

gao-c.png

gao-c.png

982 ms

share_api.js

share_api.js

319 ms

share_view.js

share_view.js

531 ms

icon38.png

icon38.png

1015 ms

icon39.png

icon39.png

1036 ms

icon46.png

icon46.png

1046 ms

icon45.png

icon45.png

1127 ms

icon40.png

icon40.png

1209 ms

icon41.png

icon41.png

1213 ms

icon42.png

icon42.png

1265 ms

icon43.png

icon43.png

1269 ms

icon44.png

icon44.png

1281 ms

icon48.png

icon48.png

1388 ms

icon49.png

icon49.png

1443 ms

1803-aerate.jpg

1803-aerate.jpg

1864 ms

1735-aerate.jpg

1735-aerate.jpg

1975 ms

1795-aerate.jpg

1795-aerate.jpg

1931 ms

1790-aerate.jpg

1790-aerate.jpg

1909 ms

1613-aerate.jpg

1613-aerate.jpg

1850 ms

1889-aerate.jpg

1889-aerate.jpg

1906 ms

tangram.js

tangram.js

565 ms

api_base.js

api_base.js

502 ms

1614-aerate.jpg

1614-aerate.jpg

1817 ms

1742-aerate.jpg

1742-aerate.jpg

1967 ms

1606-aerate.jpg

1606-aerate.jpg

1949 ms

1612-aerate.jpg

1612-aerate.jpg

1879 ms

index.global.js

index.global.js

39 ms

view_base.js

view_base.js

335 ms

index.global.js

index.global.js

199 ms

1886-aerate.jpg

1886-aerate.jpg

1875 ms

1805-aerate.jpg

1805-aerate.jpg

1898 ms

share_style2_24.css

share_style2_24.css

311 ms

ProvinceList

ProvinceList

203 ms

Accessibility Review

gaosan.com accessibility score

72

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

gaosan.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

gaosan.com SEO score

100

Search Engine Optimization Advices

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gaosan.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Gaosan.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

gaosan.com

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