2.3 sec in total
167 ms
1.9 sec
190 ms
Click here to check amazing Sf Symphony content for United States. Otherwise, check out these important facts you probably never knew about sfsymphony.org
The San Francisco Symphony is an award-winning symphony, led by Music Director Esa-Pekka Salonen.
Visit sfsymphony.orgWe analyzed Sfsymphony.org page load time and found that the first response time was 167 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.
sfsymphony.org performance score
name
value
score
weighting
Value2.7 s
60/100
10%
Value5.3 s
21/100
25%
Value6.2 s
43/100
10%
Value4,960 ms
0/100
30%
Value0
100/100
15%
Value18.4 s
3/100
10%
167 ms
582 ms
59 ms
23 ms
481 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 61% of them (23 requests) were addressed to the original Sfsymphony.org, 8% (3 requests) were made to Fast.fonts.com and 5% (2 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (582 ms) belongs to the original domain Sfsymphony.org.
Page size can be reduced by 646.4 kB (38%)
1.7 MB
1.1 MB
In fact, the total size of Sfsymphony.org main page is 1.7 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. 30% of websites need less resources to load. Images take 818.4 kB which makes up the majority of the site volume.
Potential reduce by 60.2 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 60.2 kB or 67% of the original size.
Potential reduce by 28.1 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. Sf Symphony images are well optimized though.
Potential reduce by 259.0 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 259.0 kB or 58% of the original size.
Potential reduce by 299.1 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. Sfsymphony.org needs all CSS files to be minified and compressed as it can save up to 299.1 kB or 88% of the original size.
Number of requests can be reduced by 12 (38%)
32
20
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sf Symphony. 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 from 4 to 1 for CSS and as a result speed up the page load time.
sfsymphony.org
167 ms
www.sfsymphony.org
582 ms
86a7e8a6-bf45-462b-9d3e-99c2b069e40b.css
59 ms
font-awesome.min.css
23 ms
main.css
481 ms
textref.ashx
554 ms
widget.js
64 ms
textref.ashx
150 ms
WebResource.axd
148 ms
conversion.js
14 ms
addthis_widget.js
9 ms
ga.js
48 ms
popanalytics.js
143 ms
bg-body.png
133 ms
1914-15-Spring-Sale-mobile
133 ms
1914-16-Spring-Sale-Carousel
232 ms
Give_Promo_275_family.jpg
323 ms
logo-SFS.png
242 ms
searchbox.png
182 ms
utilnav-vert-line.png
181 ms
icon-cart.png
182 ms
calendar-callout.png
249 ms
mainnav-vert-line.png
250 ms
mainnav.png
250 ms
overlay-75.png
297 ms
homepage-cal-promo.jpg
535 ms
share-icons.png
325 ms
98 ms
3145f7f3-577b-4fc5-b041-fd8a5b0b2d40.woff
95 ms
47a5b741-405e-4d03-ba4a-e50cc7716ddf.woff
122 ms
svg-sprite.svg
235 ms
300lo.json
35 ms
57 ms
sh.7c7179124ea24ac6ba46caac.html
43 ms
__utm.gif
33 ms
collect
51 ms
textref.ashx
77 ms
roundtrip.js
8 ms
sfsymphony.org accessibility score
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
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
ARIA IDs are not unique
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
sfsymphony.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
sfsymphony.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sfsymphony.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 Sfsymphony.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.
sfsymphony.org
Open Graph description is not detected on the main page of Sf Symphony. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: