Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

tommyku.com

Tommy Ku, a web developer

Page Load Speed

789 ms in total

First Response

94 ms

Resources Loaded

503 ms

Page Rendered

192 ms

tommyku.com screenshot

About Website

Click here to check amazing Tommy Ku content. Otherwise, check out these important facts you probably never knew about tommyku.com

Personal website of Tommy Ku, a Hong Kong-based full-stack web developer

Visit tommyku.com

Key Findings

We analyzed Tommyku.com page load time and found that the first response time was 94 ms and then it took 695 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

tommyku.com performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value1.2 s

100/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.997

2/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

tommyku.com

94 ms

css

71 ms

normalize.css

35 ms

style.css

80 ms

helper.css

65 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 47% of them (8 requests) were addressed to the original Tommyku.com, 29% (5 requests) were made to Fonts.gstatic.com and 12% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (130 ms) belongs to the original domain Tommyku.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 31.1 kB (5%)

Content Size

571.1 kB

After Optimization

540.0 kB

In fact, the total size of Tommyku.com main page is 571.1 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. Images take 478.0 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 7.6 kB

  • Original 10.2 kB
  • After minification 9.3 kB
  • After compression 2.6 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 7.6 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 478.0 kB
  • After minification 478.0 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. Tommy Ku images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 8.3 kB

  • Original 64.5 kB
  • After minification 59.7 kB
  • After compression 56.2 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 8.3 kB or 13% of the original size.

CSS Optimization

-82%

Potential reduce by 15.2 kB

  • Original 18.4 kB
  • After minification 9.5 kB
  • After compression 3.2 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. Tommyku.com needs all CSS files to be minified and compressed as it can save up to 15.2 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (36%)

Requests Now

11

After Optimization

7

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tommy Ku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tommyku.com accessibility score

73

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

tommyku.com 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

SEO Factors

tommyku.com SEO score

92

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

Image elements do not have [alt] attributes

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

    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 Tommyku.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 Tommyku.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 Tommy Ku. 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: