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bostonjazzfest.org screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

bostonjazzfest.org

BOSTON JAZZ FEST – The Best Jazz in All of it's Forms

Page Load Speed

1.2 sec in total

First Response

9 ms

Resources Loaded

690 ms

Page Rendered

475 ms

bostonjazzfest.org screenshot

About Website

Click here to check amazing BOSTON JAZZ FEST content. Otherwise, check out these important facts you probably never knew about bostonjazzfest.org

The 13th Annual Boston Jazz Festival will be held on Friday and Saturday, August 25-26, 2023 at Maritime Park in Boston's Seaport District from 12:00 pm-9:00. Each year, BJF features performances...

Visit bostonjazzfest.org

Key Findings

We analyzed Bostonjazzfest.org page load time and found that the first response time was 9 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

bostonjazzfest.org performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.04

99/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

bostonjazzfest.org

9 ms

bostonjazzfest.org

25 ms

webfont.js

116 ms

blockbase.css

174 ms

165 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 38% of them (18 requests) were addressed to the original Bostonjazzfest.org, 17% (8 requests) were made to S0.wp.com and 13% (6 requests) were made to S1.wp.com. The less responsive or slowest element that took the longest time to load (416 ms) belongs to the original domain Bostonjazzfest.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 159.3 kB (15%)

Content Size

1.1 MB

After Optimization

909.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bostonjazzfest.org main page is 1.1 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. 45% of websites need less resources to load. Images take 746.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 145.7 kB

  • Original 179.7 kB
  • After minification 178.2 kB
  • After compression 33.9 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 145.7 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 12.5 kB

  • Original 746.6 kB
  • After minification 734.0 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. BOSTON JAZZ FEST images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 373 B

  • Original 120.3 kB
  • After minification 120.3 kB
  • After compression 119.9 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.

CSS Optimization

-3%

Potential reduce by 620 B

  • Original 22.4 kB
  • After minification 22.4 kB
  • After compression 21.8 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. Bostonjazzfest.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (48%)

Requests Now

46

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BOSTON JAZZ FEST. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bostonjazzfest.org

bostonjazzfest.org

9 ms

bostonjazzfest.org

bostonjazzfest.org

25 ms

webfont.js

webfont.js

116 ms

blockbase.css

blockbase.css

174 ms

165 ms

style.css

style.css

163 ms

175 ms

style.css

style.css

159 ms

style.css

style.css

168 ms

coblocks-style.css

coblocks-style.css

176 ms

168 ms

166 ms

global.css

global.css

169 ms

170 ms

navigation.min.js

navigation.min.js

170 ms

hovercards.min.js

hovercards.min.js

178 ms

wpgroho.js

wpgroho.js

168 ms

171 ms

w.js

w.js

178 ms

bilmur.min.js

bilmur.min.js

168 ms

css

css

98 ms

conf

conf

139 ms

ga.js

ga.js

52 ms

cropped-cropped-jazz_logo.jpg

cropped-cropped-jazz_logo.jpg

18 ms

wpcom-mark.svg

wpcom-mark.svg

11 ms

g.gif

g.gif

84 ms

90 ms

remote-login.php

remote-login.php

121 ms

jazz-fest-4x6-flyer-front-3.jpg

jazz-fest-4x6-flyer-front-3.jpg

70 ms

jazz-fest-4x6-flyer-front-1.jpg

jazz-fest-4x6-flyer-front-1.jpg

84 ms

jazz-fest-4x6-flyer-front-2.jpg

jazz-fest-4x6-flyer-front-2.jpg

82 ms

bos-tenproductionslogo.jpg

bos-tenproductionslogo.jpg

82 ms

larryj_logo-1.png

larryj_logo-1.png

78 ms

download.jpeg

download.jpeg

148 ms

massachusetts_convention_center_authority_logo_2017.jpg

massachusetts_convention_center_authority_logo_2017.jpg

147 ms

meet_boston.jpg

meet_boston.jpg

83 ms

bossea-omni_boston_hotel_at_the_seaport_vertical_midnightblue_digital-1.png

bossea-omni_boston_hotel_at_the_seaport_vertical_midnightblue_digital-1.png

416 ms

cfslogo.png

cfslogo.png

166 ms

wicnlogo.png

wicnlogo.png

83 ms

paypal-donate-button-1.png

paypal-donate-button-1.png

83 ms

cropped-cropped-cropped-jazz_logo.jpg

cropped-cropped-cropped-jazz_logo.jpg

172 ms

g.gif

g.gif

78 ms

g.gif

g.gif

81 ms

__utm.gif

__utm.gif

30 ms

paypal-donate-button-1.png

paypal-donate-button-1.png

18 ms

ata.js

ata.js

12 ms

actionbar.css

actionbar.css

2 ms

actionbar.js

actionbar.js

6 ms

Accessibility Review

bostonjazzfest.org accessibility score

96

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

bostonjazzfest.org best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

bostonjazzfest.org 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 Bostonjazzfest.org 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 Bostonjazzfest.org 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

bostonjazzfest.org

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