Tools & Wizards About Us
ktvu.com screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 0

    Best Practices

  • 91

    SEO

    Google-friendlier than
    70% of websites

ktvu.com

KTVU FOX 2 San Francisco

Page Load Speed

6.5 sec in total

First Response

2.3 sec

Resources Loaded

3.1 sec

Page Rendered

1.1 sec

ktvu.com screenshot

About Website

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

Local and breaking news reports from around the Bay Area, brought to you by KTVU FOX 2, serving San Francisco, Oakland, San Jose and the entire Bay Area.

Visit ktvu.com

Key Findings

We analyzed Ktvu.com page load time and found that the first response time was 2.3 sec and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

ktvu.com performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value33.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value67.5 s

0/100

25%

SI (Speed Index)

Value50.0 s

0/100

10%

TBT (Total Blocking Time)

Value12,510 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.113

86/100

15%

TTI (Time to Interactive)

Value101.4 s

0/100

10%

Network Requests Diagram

www.ktvu.com

2273 ms

gtm.js

125 ms

scorestrip-external.css

123 ms

css

173 ms

home.rs.css

231 ms

Our browser made a total of 155 requests to load all elements on the main page. We found that 7% of them (11 requests) were addressed to the original Ktvu.com, 61% (94 requests) were made to Images.foxtv.com and 12% (18 requests) were made to Static.foxtv.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Ktvu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.9 MB (21%)

Content Size

13.8 MB

After Optimization

11.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ktvu.com main page is 13.8 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. Only a small number of websites need less resources to load. HTML takes 7.7 MB which makes up the majority of the site volume.

HTML Optimization

-31%

Potential reduce by 2.4 MB

  • Original 7.7 MB
  • After minification 7.7 MB
  • After compression 5.3 MB

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 2.4 MB or 31% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 3.7 MB
  • After minification 3.7 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. KTVU images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 394.4 kB

  • Original 2.3 MB
  • After minification 2.3 MB
  • After compression 1.9 MB

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 394.4 kB or 17% of the original size.

CSS Optimization

-82%

Potential reduce by 72.8 kB

  • Original 88.8 kB
  • After minification 88.7 kB
  • After compression 16.0 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. Ktvu.com needs all CSS files to be minified and compressed as it can save up to 72.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (32%)

Requests Now

149

After Optimization

101

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 149 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KTVU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.ktvu.com

www.ktvu.com

2273 ms

gtm.js

gtm.js

125 ms

scorestrip-external.css

scorestrip-external.css

123 ms

css

css

173 ms

home.rs.css

home.rs.css

231 ms

pal.js

pal.js

112 ms

scorestrip.js

scorestrip.js

681 ms

profile.js

profile.js

171 ms

js

js

119 ms

073e1d4e67352d316aef36ef546c324623411224a1dfcad54bfb8626003e20f3

073e1d4e67352d316aef36ef546c324623411224a1dfcad54bfb8626003e20f3

340 ms

ag.core.js

ag.core.js

324 ms

core.js

core.js

324 ms

loader.js

loader.js

379 ms

wxwidget.loader.js

wxwidget.loader.js

169 ms

anvload.js

anvload.js

170 ms

loader.js

loader.js

338 ms

chartbeat_mab.js

chartbeat_mab.js

94 ms

chartbeat.js

chartbeat.js

103 ms

resizeClient.js

resizeClient.js

321 ms

loader.js

loader.js

107 ms

js

js

156 ms

datadog-rum-v4.js

datadog-rum-v4.js

241 ms

ua-sdk.min.js

ua-sdk.min.js

389 ms

geo.js

geo.js

140 ms

core-app.fts.js

core-app.fts.js

140 ms

core.js

core.js

175 ms

app.v101.js

app.v101.js

183 ms

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fts-san-francisco-a.svg

138 ms

fts-san-francisco-b.svg

fts-san-francisco-b.svg

143 ms

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+ByRufXhyIdlbAAAAAElFTkSuQmCC

282 ms

warning.svg

warning.svg

57 ms

font

font

97 ms

lodash.js

lodash.js

221 ms

40.svg

40.svg

187 ms

logo.svg

logo.svg

252 ms

video.svg

video.svg

101 ms

facebook.svg

facebook.svg

99 ms

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twitter.svg

254 ms

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253 ms

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email.svg

272 ms

download.png

download.png

291 ms

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256 ms

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388 ms

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374 ms

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388 ms

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394 ms

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399 ms

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416 ms

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441 ms

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502 ms

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419 ms

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420 ms

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428 ms

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438 ms

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502 ms

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501 ms

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502 ms

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504 ms

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505 ms

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515 ms

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514 ms

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515 ms

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518 ms

yt-icon.svg

yt-icon.svg

260 ms

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501 ms

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252 ms

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267 ms

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282 ms

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269 ms

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275 ms

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341 ms

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534 ms

fennec.js

fennec.js

494 ms

aax.js

aax.js

202 ms

gpt.js

gpt.js

242 ms

prebid.js

prebid.js

89 ms

apstag.js

apstag.js

201 ms

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275 ms

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268 ms

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260 ms

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327 ms

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314 ms

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268 ms

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261 ms

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262 ms

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320 ms

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312 ms

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311 ms

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295 ms

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296 ms

pickles-getty.jpg

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293 ms

pickles-getty.jpg

pickles-getty.jpg

287 ms

tag

tag

283 ms

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290 ms

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271 ms

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277 ms

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270 ms

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271 ms

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262 ms

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90 ms

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263 ms

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41 ms

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193 ms

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196 ms

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195 ms

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196 ms

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198 ms

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194 ms

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190 ms

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188 ms

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186 ms

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192 ms

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186 ms

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186 ms

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186 ms

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179 ms

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182 ms

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175 ms

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176 ms

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192 ms

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131 ms

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131 ms

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144 ms

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134 ms

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130 ms

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126 ms

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124 ms

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126 ms

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125 ms

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126 ms

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124 ms

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123 ms

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123 ms

mab

mab

98 ms

ping

ping

95 ms

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tag

53 ms

Accessibility Review

ktvu.com accessibility score

72

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

High

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

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

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.

SEO Factors

ktvu.com SEO score

91

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

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 Ktvu.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 Ktvu.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

ktvu.com

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