Tools & Wizards About Us
datebook.sfchronicle.com screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

datebook.sfchronicle.com

Datebook | San Francisco Arts & Entertainment Guide

Page Load Speed

2.1 sec in total

First Response

47 ms

Resources Loaded

1.1 sec

Page Rendered

925 ms

datebook.sfchronicle.com screenshot

About Website

Welcome to datebook.sfchronicle.com homepage info - get ready to check Datebook Sfchronicle best content for United States right away, or after learning these important things about datebook.sfchronicle.com

Datebook is the San Francisco Chronicle’s guide to arts & entertainment in the Bay Area, combining award-winning news with a curated events calendar.

Visit datebook.sfchronicle.com

Key Findings

We analyzed Datebook.sfchronicle.com page load time and found that the first response time was 47 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

datebook.sfchronicle.com performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value29.4 s

0/100

25%

SI (Speed Index)

Value24.6 s

0/100

10%

TBT (Total Blocking Time)

Value5,980 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.428

22/100

15%

TTI (Time to Interactive)

Value48.8 s

0/100

10%

Network Requests Diagram

datebook.sfchronicle.com

47 ms

datebook.sfchronicle.com

25 ms

hnpprivacy-min.js

49 ms

style.min.css

9 ms

harrypotter.css

27 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 19% of them (14 requests) were addressed to the original Datebook.sfchronicle.com, 50% (37 requests) were made to S3.amazonaws.com and 11% (8 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (483 ms) relates to the external source S3.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 614.8 kB (15%)

Content Size

4.2 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Datebook.sfchronicle.com main page is 4.2 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. 65% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 89.1 kB

  • Original 115.8 kB
  • After minification 110.4 kB
  • After compression 26.7 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 89.1 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 95.0 kB

  • Original 3.2 MB
  • After minification 3.1 MB

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. Datebook Sfchronicle images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 423.4 kB

  • Original 770.8 kB
  • After minification 770.4 kB
  • After compression 347.4 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 423.4 kB or 55% of the original size.

CSS Optimization

-9%

Potential reduce by 7.3 kB

  • Original 80.8 kB
  • After minification 80.5 kB
  • After compression 73.5 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. Datebook.sfchronicle.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (35%)

Requests Now

63

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Datebook Sfchronicle. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

datebook.sfchronicle.com

datebook.sfchronicle.com

47 ms

datebook.sfchronicle.com

datebook.sfchronicle.com

25 ms

hnpprivacy-min.js

hnpprivacy-min.js

49 ms

style.min.css

style.min.css

9 ms

harrypotter.css

harrypotter.css

27 ms

sfc-countdown-unit.css

sfc-countdown-unit.css

27 ms

style.css

style.css

27 ms

style.css

style.css

36 ms

jquery.min.js

jquery.min.js

40 ms

Bootstrap.js

Bootstrap.js

114 ms

spm.v1.min.js

spm.v1.min.js

129 ms

loadAds.js

loadAds.js

141 ms

load.js

load.js

156 ms

treg.js

treg.js

136 ms

countdown.js

countdown.js

45 ms

spotimcomments.js

spotimcomments.js

109 ms

spotimcommentsoverride.js

spotimcommentsoverride.js

45 ms

datebook.js

datebook.js

109 ms

wp-embed.min.js

wp-embed.min.js

44 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

50 ms

css

css

74 ms

css

css

93 ms

uploads_2F1586543877573-tg3yuygdzy-39678122da675e73fea523abf66d6b31_2FTotalSF_PodcastCover_Final.webp

uploads_2F1586543877573-tg3yuygdzy-39678122da675e73fea523abf66d6b31_2FTotalSF_PodcastCover_Final.webp

367 ms

serverComponent.php

serverComponent.php

192 ms

SFC-Datebook-Icons.ttf

SFC-Datebook-Icons.ttf

22 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

65 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs18NvsUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs18NvsUZiYA.ttf

138 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs169vsUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs169vsUZiYA.ttf

172 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1y9osUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1y9osUZiYA.ttf

172 ms

L0xuDF4xlVMF-BfR8bXMIhJHg45mwgGEFl0_3vq_ROW9.ttf

L0xuDF4xlVMF-BfR8bXMIhJHg45mwgGEFl0_3vq_ROW9.ttf

172 ms

L0xuDF4xlVMF-BfR8bXMIhJHg45mwgGEFl0_7Pq_ROW9.ttf

L0xuDF4xlVMF-BfR8bXMIhJHg45mwgGEFl0_7Pq_ROW9.ttf

172 ms

L0xuDF4xlVMF-BfR8bXMIhJHg45mwgGEFl0_gPq_ROW9.ttf

L0xuDF4xlVMF-BfR8bXMIhJHg45mwgGEFl0_gPq_ROW9.ttf

172 ms

L0xuDF4xlVMF-BfR8bXMIhJHg45mwgGEFl0_Of2_ROW9.ttf

L0xuDF4xlVMF-BfR8bXMIhJHg45mwgGEFl0_Of2_ROW9.ttf

171 ms

3f4d742893709520d065dd597e428912.js

3f4d742893709520d065dd597e428912.js

17 ms

f01cb08314b9d3b96e499edab8bad26f.js

f01cb08314b9d3b96e499edab8bad26f.js

18 ms

gtm.js

gtm.js

212 ms

Film_Review_Megalopolis_4_-830x442.jpg

Film_Review_Megalopolis_4_-830x442.jpg

207 ms

beacon.js

beacon.js

102 ms

fw-825x550.jpg

fw-825x550.jpg

124 ms

ac-825x550.jpg

ac-825x550.jpg

138 ms

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featured_event3359952--825x550.jpg

140 ms

irshad_levant-779x550.jpg

irshad_levant-779x550.jpg

128 ms

janiak_choir-830x501.jpg

janiak_choir-830x501.jpg

174 ms

harvey_opentime-803x550.jpg

harvey_opentime-803x550.jpg

218 ms

25976658-oktoberfest-oaktoberfest1-826x550.jpg

25976658-oktoberfest-oaktoberfest1-826x550.jpg

243 ms

mjf_guide09201-825x550.jpg

mjf_guide09201-825x550.jpg

222 ms

fall-landing0906_NEW-826x550.jpg

fall-landing0906_NEW-826x550.jpg

219 ms

featured_event3359949--825x550.jpg

featured_event3359949--825x550.jpg

216 ms

Kate_Winslet_as_Lee_Miller_in_LEE_Sky_UK_Brouhaha_Lee_Limited_2023_d95a793222-827x550.jpg

Kate_Winslet_as_Lee_Miller_in_LEE_Sky_UK_Brouhaha_Lee_Limited_2023_d95a793222-827x550.jpg

255 ms

megalopolis_breakout_2_-825x550.jpg

megalopolis_breakout_2_-825x550.jpg

293 ms

combs0924-830x541.jpg

combs0924-830x541.jpg

249 ms

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gaga0924-1-830x547.jpg

237 ms

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greektheatre_1_-825x550.jpg

291 ms

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featured_event3359825--825x550.jpg

254 ms

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322 ms

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featured_event3359760--825x550.jpg

278 ms

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blackartweek_preview-825x550.jpg

351 ms

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featured_event3358338--825x550.jpg

350 ms

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25931897-0926-pyramid-lights0912-web-30f6e91a-830x541.jpg

296 ms

25976573-4006-sfballet0917-web-f29698b3-826x550.jpg

25976573-4006-sfballet0917-web-f29698b3-826x550.jpg

311 ms

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featured_event3358354--825x550.jpg

311 ms

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343 ms

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339 ms

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326 ms

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sfs_spivey0920_1_-825x550.jpg

386 ms

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featured_event3359828--825x550.jpg

350 ms

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365 ms

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Screenshot-2024-09-24-at-12.43.59-PM1.png

387 ms

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26078062-pedrito-825x550.jpg

483 ms

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25943471-GettyImages-1821569868-1--826x550.jpg

434 ms

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hillary_musk0916-825x550.jpg

384 ms

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yj-796x550.jpg

385 ms

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wf-825x550.jpg

443 ms

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bottlerock_assualt09132-825x550.jpg

361 ms

Accessibility Review

datebook.sfchronicle.com accessibility score

59

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

[role]s are not contained by their required parent element

High

[aria-*] attributes do not have valid values

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

datebook.sfchronicle.com best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

datebook.sfchronicle.com SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

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 Datebook.sfchronicle.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 Datebook.sfchronicle.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

datebook.sfchronicle.com

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