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zachmattocks.com screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

zachmattocks.com

Music Professor and Guitarist | Zach Mattocks Music

Page Load Speed

2.2 sec in total

First Response

375 ms

Resources Loaded

1.5 sec

Page Rendered

271 ms

zachmattocks.com screenshot

About Website

Welcome to zachmattocks.com homepage info - get ready to check Zach Mattocks best content right away, or after learning these important things about zachmattocks.com

Zach Mattocks is a music professor and guitarist from San Francisco offering in-person and online guitar and piano lessons.

Visit zachmattocks.com

Key Findings

We analyzed Zachmattocks.com page load time and found that the first response time was 375 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

zachmattocks.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value4.8 s

68/100

10%

TBT (Total Blocking Time)

Value1,050 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.2 s

41/100

10%

Network Requests Diagram

www.zachmattocks.com

375 ms

minified.js

61 ms

focus-within-polyfill.js

376 ms

polyfill.min.js

412 ms

bootstrap-features.88016560.bundle.min.js

381 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Zachmattocks.com, 81% (17 requests) were made to Static.parastorage.com and 5% (1 request) were made to Polyfill.io. The less responsive or slowest element that took the longest time to load (412 ms) relates to the external source Polyfill.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 217.5 kB (51%)

Content Size

423.7 kB

After Optimization

206.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Zachmattocks.com main page is 423.7 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. 50% of websites need less resources to load. HTML takes 278.3 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 210.3 kB

  • Original 278.3 kB
  • After minification 276.6 kB
  • After compression 67.9 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 210.3 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 47.6 kB
  • After minification 47.6 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. Zach Mattocks images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 7.2 kB

  • Original 97.8 kB
  • After minification 97.8 kB
  • After compression 90.6 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 9 (60%)

Requests Now

15

After Optimization

6

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zach Mattocks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.zachmattocks.com

www.zachmattocks.com

375 ms

minified.js

minified.js

61 ms

focus-within-polyfill.js

focus-within-polyfill.js

376 ms

polyfill.min.js

polyfill.min.js

412 ms

bootstrap-features.88016560.bundle.min.js

bootstrap-features.88016560.bundle.min.js

381 ms

main.dca78a96.bundle.min.js

main.dca78a96.bundle.min.js

383 ms

lodash.min.js

lodash.min.js

383 ms

react.production.min.js

react.production.min.js

379 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

379 ms

wix-perf-measure.bundle.min.js

wix-perf-measure.bundle.min.js

375 ms

react-dom.production.min.js

react-dom.production.min.js

391 ms

Zach%20Hyde%20Street.jpg

Zach%20Hyde%20Street.jpg

400 ms

opensans-regular-webfont.woff

opensans-regular-webfont.woff

10 ms

opensans-bold-webfont.woff

opensans-bold-webfont.woff

22 ms

deprecation-en.v5.html

deprecation-en.v5.html

36 ms

bolt-performance

bolt-performance

26 ms

deprecation-style.v5.css

deprecation-style.v5.css

9 ms

right-arrow.svg

right-arrow.svg

27 ms

WixMadeforDisplay_W_Bd.woff

WixMadeforDisplay_W_Bd.woff

25 ms

WixMadeforText_W_Bd.woff

WixMadeforText_W_Bd.woff

26 ms

WixMadeforText_W_Rg.woff

WixMadeforText_W_Rg.woff

25 ms

Accessibility Review

zachmattocks.com accessibility score

92

Accessibility Issues

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

Buttons do not have an accessible name

Best Practices

zachmattocks.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zachmattocks.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 Zachmattocks.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 Zachmattocks.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

zachmattocks.com

Open Graph data is detected on the main page of Zach Mattocks. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: