36 sec in total
11 sec
24.8 sec
207 ms
Click here to check amazing Sf Spine content. Otherwise, check out these important facts you probably never knew about sfspine.com
Spine Surgery in San Francisco - San Francisco Spine Surgeons are Board Certified Spine Surgeons and Orthopedists serving the San Francisco Bay Area.
Visit sfspine.comWe analyzed Sfspine.com page load time and found that the first response time was 11 sec and then it took 25 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
sfspine.com performance score
name
value
score
weighting
Value13.7 s
0/100
10%
Value15.0 s
0/100
25%
Value41.4 s
0/100
10%
Value370 ms
71/100
30%
Value0.539
14/100
15%
Value17.7 s
4/100
10%
11048 ms
59 ms
104 ms
141 ms
171 ms
Our browser made a total of 56 requests to load all elements on the main page. We found that 70% of them (39 requests) were addressed to the original Sfspine.com, 11% (6 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (11 sec) belongs to the original domain Sfspine.com.
Page size can be reduced by 135.7 kB (33%)
409.8 kB
274.1 kB
In fact, the total size of Sfspine.com main page is 409.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 194.2 kB which makes up the majority of the site volume.
Potential reduce by 113.8 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 113.8 kB or 85% of the original size.
Potential reduce by 15.3 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 Spine images are well optimized though.
Potential reduce by 1.1 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.
Potential reduce by 5.5 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. Sfspine.com needs all CSS files to be minified and compressed as it can save up to 5.5 kB or 22% of the original size.
Number of requests can be reduced by 29 (60%)
48
19
The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sf Spine. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
www.sfspine.com
11048 ms
bootstrap.min.css
59 ms
style.min.css
104 ms
am-sticky-nav.css
141 ms
style.css
171 ms
addthis_wordpress_public.min.css
201 ms
style.css
241 ms
modern.css
270 ms
css
37 ms
css
50 ms
jquery.min.js
36 ms
jquery-migrate.min.js
309 ms
thmplt.js
347 ms
am-sticky-nav.js
388 ms
bootstrap.min.js
427 ms
actions.js
457 ms
addthis_widget.js
34 ms
mediaelementplayer-legacy.min.css
523 ms
wp-mediaelement.min.css
576 ms
mediaelement-and-player.min.js
831 ms
mediaelement-migrate.min.js
870 ms
wp-mediaelement.min.js
898 ms
vimeo.min.js
937 ms
gtm.js
108 ms
analytics.js
76 ms
gtm.js
147 ms
header_bg.png
508 ms
logo.png
543 ms
yelp.jpg
571 ms
google-.jpg
601 ms
tel_icon.png
630 ms
non-surgical.png
694 ms
surgical.png
679 ms
Phone_font_awesome.svg_-1.png
637 ms
divider_top.jpg
644 ms
divider_small.jpg
656 ms
mazor_spine_robot-291x300.jpg
675 ms
p-logo-st-mary-med-ctr.jpg
703 ms
logo-1.png
683 ms
nav_divider.png
664 ms
line_circle.png
667 ms
location_pic_34.jpg
749 ms
1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvaorCIPrQ.ttf
78 ms
1Ptxg8zYS_SKggPN4iEgvnHyvveLxVuEorCIPrQ.ttf
79 ms
1Ptxg8zYS_SKggPN4iEgvnHyvveLxVsEpbCIPrQ.ttf
98 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf
128 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf
128 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf
129 ms
collect
41 ms
collect
19 ms
js
56 ms
yelp_hover.jpg
235 ms
google-_hover.jpg
247 ms
non-surgical_hover.png
293 ms
surgical_hover.png
262 ms
57012.js
54 ms
sfspine.com accessibility score
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
Links do not have a discernible name
sfspine.com 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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
sfspine.com 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
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 Sfspine.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 Sfspine.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.
sfspine.com
Open Graph data is detected on the main page of Sf Spine. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: