Tools & Wizards About Us
sanfranciscowhaletours.com screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

sanfranciscowhaletours.com

San Francisco Whale Tours | Whale Watching Tours in San Francisco

Page Load Speed

1.6 sec in total

First Response

13 ms

Resources Loaded

1.1 sec

Page Rendered

413 ms

sanfranciscowhaletours.com screenshot

About Website

Visit sanfranciscowhaletours.com now to see the best up-to-date San Francisco Whale Tours content for United States and also check out these interesting facts you probably never knew about sanfranciscowhaletours.com

SF Whale Tours offers you an exciting all-day excursion to the protected sanctuary of the Farallon Islands to witness humpback whales and more. Book now!

Visit sanfranciscowhaletours.com

Key Findings

We analyzed Sanfranciscowhaletours.com page load time and found that the first response time was 13 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

sanfranciscowhaletours.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.319

36/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

sanfranciscowhaletours.com

13 ms

sanfranciscowhaletours.com

17 ms

472 ms

jquery.min.js

27 ms

57 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 63% of them (15 requests) were addressed to the original Sanfranciscowhaletours.com, 17% (4 requests) were made to Dipr2nuwo661l.cloudfront.net and 13% (3 requests) were made to Fareharbor.com. The less responsive or slowest element that took the longest time to load (472 ms) belongs to the original domain Sanfranciscowhaletours.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 141.2 kB (8%)

Content Size

1.8 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sanfranciscowhaletours.com main page is 1.8 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. 45% of websites need less resources to load. Javascripts take 853.9 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 81.9 kB

  • Original 103.0 kB
  • After minification 90.0 kB
  • After compression 21.1 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 13.0 kB, which is 13% 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 81.9 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 16.3 kB

  • Original 803.3 kB
  • After minification 786.9 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. San Francisco Whale Tours images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 40.2 kB

  • Original 853.9 kB
  • After minification 853.9 kB
  • After compression 813.8 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

-8%

Potential reduce by 2.8 kB

  • Original 33.7 kB
  • After minification 33.7 kB
  • After compression 30.9 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. Sanfranciscowhaletours.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 6 (27%)

Requests Now

22

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of San Francisco Whale Tours. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sanfranciscowhaletours.com

sanfranciscowhaletours.com

13 ms

sanfranciscowhaletours.com

sanfranciscowhaletours.com

17 ms

472 ms

jquery.min.js

jquery.min.js

27 ms

57 ms

sf-whale-tours-logo1.png

sf-whale-tours-logo1.png

191 ms

integration-kit-bundle.js

integration-kit-bundle.js

152 ms

image0-1.jpeg

image0-1.jpeg

209 ms

sbi-sprite.png

sbi-sprite.png

191 ms

xCAS_Logo.jpg.pagespeed.ic_.g2k3g7v1ss-e1571414697147.jpg

xCAS_Logo.jpg.pagespeed.ic_.g2k3g7v1ss-e1571414697147.jpg

191 ms

aoo-circular-logo-transparent-whitetext-medium-print_orig.png

aoo-circular-logo-transparent-whitetext-medium-print_orig.png

307 ms

PRNSA-2015.jpg

PRNSA-2015.jpg

226 ms

TMMC-horizon-color.png

TMMC-horizon-color.png

390 ms

Farallones-logo-whale-pod-RGB_color-1.png

Farallones-logo-whale-pod-RGB_color-1.png

279 ms

cropped-SFPAL-logo-300x300-1.png

cropped-SFPAL-logo-300x300-1.png

386 ms

378 ms

034A3240.jpg

034A3240.jpg

47 ms

style-cart.a02642c318da0638f31a.css

style-cart.a02642c318da0638f31a.css

97 ms

fonts.eacdf4961de415ddab83.css

fonts.eacdf4961de415ddab83.css

115 ms

Fleet-Week-Blue-Angels-Air-Show-Cruise-image-1.jpg

Fleet-Week-Blue-Angels-Air-Show-Cruise-image-1.jpg

63 ms

output.29011c62dc48.js

output.29011c62dc48.js

95 ms

js

js

36 ms

djangojs.js

djangojs.js

86 ms

output.f074fe444a57.js

output.f074fe444a57.js

89 ms

Accessibility Review

sanfranciscowhaletours.com accessibility score

93

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.

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

sanfranciscowhaletours.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

Missing source maps for large first-party JavaScript

SEO Factors

sanfranciscowhaletours.com SEO score

83

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

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Sanfranciscowhaletours.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 Sanfranciscowhaletours.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

sanfranciscowhaletours.com

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