4.3 sec in total
503 ms
3.5 sec
321 ms
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Visit stanford.universitytutor.comWe analyzed Stanford.universitytutor.com page load time and found that the first response time was 503 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
stanford.universitytutor.com performance score
name
value
score
weighting
Value2.3 s
75/100
10%
Value4.2 s
44/100
25%
Value5.1 s
62/100
10%
Value6,250 ms
0/100
30%
Value0.029
100/100
15%
Value10.8 s
22/100
10%
503 ms
946 ms
13 ms
50 ms
208 ms
Our browser made a total of 42 requests to load all elements on the main page. We found that 10% of them (4 requests) were addressed to the original Stanford.universitytutor.com, 33% (14 requests) were made to Jetut.s3.amazonaws.com and 19% (8 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Jetut.s3.amazonaws.com.
Page size can be reduced by 666.3 kB (64%)
1.0 MB
373.8 kB
In fact, the total size of Stanford.universitytutor.com main page is 1.0 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. 40% of websites need less resources to load. Javascripts take 575.6 kB which makes up the majority of the site volume.
Potential reduce by 61.2 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 61.2 kB or 77% of the original size.
Potential reduce by 3.8 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. Stanford University Tutor images are well optimized though.
Potential reduce by 386.2 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 386.2 kB or 67% of the original size.
Potential reduce by 215.2 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. Stanford.universitytutor.com needs all CSS files to be minified and compressed as it can save up to 215.2 kB or 82% of the original size.
Number of requests can be reduced by 9 (29%)
31
22
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stanford University Tutor. 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 from 4 to 1 for CSS and as a result speed up the page load time.
stanford.universitytutor.com
503 ms
stanford_tutoring
946 ms
j.php
13 ms
gtm.js
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ut_logo_large.png
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caret-down_444444_14.png
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v.gif
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analytics.js
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glyphicons-halflings-regular.woff
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profile_ut.jpg
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application-cd5b56695f58b14e08117c085dedf005d3ee64ec2f2ceb621f5065ae9c197755.js
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application-e8f6565ccbf9561e6a77ce6caccdd135303a3c27efe045ccd6d5f3238316c428.js
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index-edd0ad068f66cc352ca77ddd5189a1653ccc3f9b6eb081bbd5abd29955e7256e.js
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profile_ut.png
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application-b634336cff610fb8c9f9edd270d02792daae0dadea0e21aadc926a393c902e90.css
638 ms
css
24 ms
font-awesome.min.css
13 ms
jquery-ui.min.css
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ui-bg_flat_75_ffffff_40x100.png
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cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf
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DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf
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PRmiXeptR36kaC0GEAetxrfB31yxOzP-czbf6AAKCVo.ttf
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nr-885.min.js
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stanford.universitytutor.com accessibility score
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
Buttons do not have an accessible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
stanford.universitytutor.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
General
Impact
Issue
Detected JavaScript libraries
stanford.universitytutor.com SEO score
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
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stanford.universitytutor.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 Stanford.universitytutor.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.
stanford.universitytutor.com
Open Graph description is not detected on the main page of Stanford University Tutor. 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: