Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

gopherjs.github.io

GitHub - gopherjs/gopherjs: A compiler from Go to JavaScript for running Go code in a browser

Page Load Speed

129 ms in total

First Response

18 ms

Resources Loaded

53 ms

Page Rendered

58 ms

gopherjs.github.io screenshot

About Website

Visit gopherjs.github.io now to see the best up-to-date Go Pherjs Git Hub content for China and also check out these interesting facts you probably never knew about gopherjs.github.io

A compiler from Go to JavaScript for running Go code in a browser - GitHub - gopherjs/gopherjs: A compiler from Go to JavaScript for running Go code in a browser

Visit gopherjs.github.io

Key Findings

We analyzed Gopherjs.github.io page load time and found that the first response time was 18 ms and then it took 111 ms 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.

Performance Metrics

gopherjs.github.io performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value1,700 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

gopherjs.github.io

18 ms

gopherjs.github.io

25 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Gopherjs.github.io and no external sources were called. The less responsive or slowest element that took the longest time to load (25 ms) belongs to the original domain Gopherjs.github.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 72 B (35%)

Content Size

205 B

After Optimization

133 B

In fact, the total size of Gopherjs.github.io main page is 205 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 205 B which makes up the majority of the site volume.

HTML Optimization

-35%

Potential reduce by 72 B

  • Original 205 B
  • After minification 197 B
  • After compression 133 B

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 72 B or 35% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

gopherjs.github.io accessibility score

92

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Best Practices

gopherjs.github.io best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

gopherjs.github.io SEO score

84

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gopherjs.github.io 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 Gopherjs.github.io main page’s claimed encoding is . 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

Open Graph description is not detected on the main page of Go Pherjs Git Hub. 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: