Tools & Wizards About Us
albert-chen.com screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

albert-chen.com

Albert Chen - Personal Website

Page Load Speed

3.4 sec in total

First Response

49 ms

Resources Loaded

2.3 sec

Page Rendered

994 ms

albert-chen.com screenshot

About Website

Welcome to albert-chen.com homepage info - get ready to check Albert Chen best content right away, or after learning these important things about albert-chen.com

Albert Chen - Personal Website.

Visit albert-chen.com

Key Findings

We analyzed Albert-chen.com page load time and found that the first response time was 49 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

albert-chen.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value1,910 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

Network Requests Diagram

albert-chen.com

49 ms

albert-chen.com

398 ms

css

38 ms

css-font-awesome.min.css

396 ms

css-bootstrap.min.css

390 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 49% of them (27 requests) were addressed to the original Albert-chen.com, 13% (7 requests) were made to Cdn.jsdelivr.net and 13% (7 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Albert-chen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 131.9 kB (13%)

Content Size

1.0 MB

After Optimization

891.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Albert-chen.com main page is 1.0 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. 30% of websites need less resources to load. Images take 837.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 26.6 kB

  • Original 32.1 kB
  • After minification 22.7 kB
  • After compression 5.5 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 9.4 kB, which is 29% 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 26.6 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 70.4 kB

  • Original 837.3 kB
  • After minification 766.9 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. Albert Chen images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 33.5 kB

  • Original 114.2 kB
  • After minification 114.2 kB
  • After compression 80.7 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 33.5 kB or 29% of the original size.

CSS Optimization

-3%

Potential reduce by 1.3 kB

  • Original 39.8 kB
  • After minification 39.8 kB
  • After compression 38.4 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. Albert-chen.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (31%)

Requests Now

51

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Albert Chen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

albert-chen.com

albert-chen.com

49 ms

albert-chen.com

albert-chen.com

398 ms

css

css

38 ms

css-font-awesome.min.css

css-font-awesome.min.css

396 ms

css-bootstrap.min.css

css-bootstrap.min.css

390 ms

css-animate.css

css-animate.css

387 ms

css-owl.css

css-owl.css

406 ms

css-styles.css

css-styles.css

458 ms

css-responsive.css

css-responsive.css

425 ms

widget.js

widget.js

45 ms

js-jquery.min.js

js-jquery.min.js

754 ms

js-bootstrap.min.js

js-bootstrap.min.js

779 ms

js-owl.carousel.js

js-owl.carousel.js

770 ms

js-wow.min.js

js-wow.min.js

773 ms

js-jquery.nav.js

js-jquery.nav.js

819 ms

js-custom-scripts.js

js-custom-scripts.js

830 ms

api.js

api.js

49 ms

photo.png

photo.png

1123 ms

images-ab-img.png

images-ab-img.png

1133 ms

laravelconf2022.jpg

laravelconf2022.jpg

1128 ms

coscup2022.png

coscup2022.png

1164 ms

laravelconf2021.jpg

laravelconf2021.jpg

1163 ms

jomlaunch_2021.png

jomlaunch_2021.png

1189 ms

swoole_workshop_2019.jpg

swoole_workshop_2019.jpg

1513 ms

laravelconf2019.png

laravelconf2019.png

1511 ms

phpcon2019.png

phpcon2019.png

1487 ms

phpcon_okinawa_2019.png

phpcon_okinawa_2019.png

1543 ms

laravelconf2018.png

laravelconf2018.png

1528 ms

default.html

default.html

92 ms

default.html

default.html

112 ms

default.html

default.html

118 ms

default.html

default.html

115 ms

default.html

default.html

137 ms

default.html

default.html

109 ms

images-map-color-overlay.png

images-map-color-overlay.png

1089 ms

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

46 ms

fonts-fontawesome-webfont.woff

fonts-fontawesome-webfont.woff

1301 ms

laravel-swoole

laravel-swoole

112 ms

analytics.js

analytics.js

48 ms

invisible-recaptcha

invisible-recaptcha

159 ms

s3-presigned

s3-presigned

198 ms

lumen-form-request

lumen-form-request

201 ms

lumen-vue-starter

lumen-vue-starter

137 ms

lumen-testing

lumen-testing

152 ms

collect

collect

46 ms

collect

collect

56 ms

collect

collect

56 ms

collect

collect

50 ms

collect

collect

47 ms

collect

collect

43 ms

32410174

32410174

39 ms

js

js

101 ms

9117929

9117929

3 ms

4953874

4953874

2 ms

recaptcha__en.js

recaptcha__en.js

23 ms

Accessibility Review

albert-chen.com accessibility score

91

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

albert-chen.com best practices score

83

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

Page has valid source maps

SEO Factors

albert-chen.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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Albert-chen.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Albert-chen.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

albert-chen.com

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