Report Summary

  • 49

    Performance

    Renders faster than
    68% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

docs.studygolang.com

The Go Programming Language

Page Load Speed

7.9 sec in total

First Response

1.2 sec

Resources Loaded

6.6 sec

Page Rendered

103 ms

docs.studygolang.com screenshot

About Website

Visit docs.studygolang.com now to see the best up-to-date Docs Study Go Lang content for China and also check out these interesting facts you probably never knew about docs.studygolang.com

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Visit docs.studygolang.com

Key Findings

We analyzed Docs.studygolang.com page load time and found that the first response time was 1.2 sec and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

docs.studygolang.com performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value2,760 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.5 s

8/100

10%

Network Requests Diagram

docs.studygolang.com

1197 ms

style.css

654 ms

jquery.treeview.css

1957 ms

jquery.js

2923 ms

jquery.treeview.js

5231 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 59% of them (10 requests) were addressed to the original Docs.studygolang.com, 12% (2 requests) were made to Youtube.com and 12% (2 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (5.2 sec) belongs to the original domain Docs.studygolang.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 342.7 kB (71%)

Content Size

479.5 kB

After Optimization

136.8 kB

In fact, the total size of Docs.studygolang.com main page is 479.5 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. 25% of websites need less resources to load. CSS take 243.2 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 4.9 kB

  • Original 8.0 kB
  • After minification 7.8 kB
  • After compression 3.1 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 4.9 kB or 61% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 20.7 kB
  • After minification 20.7 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. Docs Study Go Lang images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 135.7 kB

  • Original 207.7 kB
  • After minification 207.6 kB
  • After compression 72.0 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 135.7 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 202.1 kB

  • Original 243.2 kB
  • After minification 243.1 kB
  • After compression 41.1 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. Docs.studygolang.com needs all CSS files to be minified and compressed as it can save up to 202.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (50%)

Requests Now

16

After Optimization

8

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Docs Study Go Lang. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

docs.studygolang.com accessibility score

100

Accessibility Issues

Best Practices

docs.studygolang.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

docs.studygolang.com SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Docs.studygolang.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Docs.studygolang.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 Docs Study Go Lang. 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: