Optimising our most visited pages
- Paul Seiler (Unlicensed)
Home page: http://www.victoria.ac.nz/ (56/100 for mobile and 56/100 for desktop)
PageSpeed Tools: 56/100 for mobile and 56/100 for desktop
Web Page Performance: A (first byte), A (keep-alive), A (compress transfer), B (Compress images), F (cache static content) and X (use of CDN)
Load time=4.37s, First byte=0.18s, Start render=1.39s, Speed index=2801 and Interactive (beta)=>7.01s
Optimise images
- Compressing and resizing http://www.victoria.ac.nz/__data/assets/image/0010/351739/QS-stars.jpgcould save 290.4KiB (97% reduction)
- Also others if time allows.
Leverage browser cache
- Set expiration for more files (.jpg, .png and .js files)
- Review expiration times for Facebook, Google Analytics and http://www.victoria.ac.nz/capital-thinking/assets/images-round-4/trump.png/ls_small.png
Eliminate render blocking CSS above the fold
- Can we improve the dependancy on http://www.victoria.ac.nz/assets/css/style.css?v5.2 and http://www.victoria.ac.nz/…s/css/style-blessed1.css?z=1491871907176?
- See https://developers.google.com/speed/docs/insights/OptimizeCSSDelivery
Minify JavaScript and HTML
Search: http://www.victoria.ac.nz/search
PageSpeed Tools: 65/100 for mobile and 77/100 for desktop
Web Page Performance: F (first byte), A (keep-alive), A (compress transfer), A (Compress images), F (cache static content) and X (use of CDN)
Load time=7.08s, First byte=0.99s, Start render=1.88s, Speed index=1912 and Interactive (beta)=>6.01s
Eliminate render blocking CSS above the fold
- Can we improve the dependancy on https://www.victoria.ac.nz/public/include/css/apm.css and http://www.victoria.ac.nz/assets/css/style-blessed1.css?z=1491871907176?
- See https://developers.google.com/speed/docs/insights/OptimizeCSSDelivery
Leverage browser cache
- Set expiration for more files (.jpg, .png and .js files)
- Review expiration times for Facebook, Google Analytics and http://www.victoria.ac.nz/capital-thinking/assets/images-round-4/trump.png/ls_small.png
Reduce server response time
- Slow time to first byte in some test runs.
Minify CSS, JavaScript and HTML
Staff: https://www.victoria.ac.nz/staff
PageSpeed Tools: 80/100 for mobile and 87/100 for desktop
Web Page Performance: A (first byte), B (keep-alive), F (compress transfer), A (Compress images), F (cache static content) and X (use of CDN)
Load time=1.03s, First byte=0.504s, Start render=1.18s, Speed index=1186 and Interactive (beta)=>3.49s
Eliminate render blocking CSS above the fold
- Can we improve the dependancy on https://www.victoria.ac.nz/public/include/css/apm.css?
- See https://developers.google.com/speed/docs/insights/OptimizeCSSDelivery
Enable compression
Reduce transfer size by 36.5KiB (77% reduction) by compresing https://www.victoria.ac.nz/public/include/css/apm.css, https://www.victoria.ac.nz/my.policy and https://www.victoria.ac.nz/public/include/js/session_check.js
Leverage browser cache
- Set expiration for https://www.victoria.ac.nz/staff, https://www.victoria.ac.nz/public/include/js/session_check.js, https://www.victoria.ac.nz/public/images/customization/Common/logo_desktop.png and https://www.victoria.ac.nz/favicon.ico
Minify CSS, JavaScript and HTML
Optimise images
- Compress and resize http://www.victoria.ac.nz/__data/assets/image/0014/344012/ict_graduate_school_3200x180, as it is currently 2 MB
Reduce server response time
- Slow time to first byte in some test runs.
Use persistent connections
- Is keep alive appropriate for https://www.victoria.ac.nz/my.policy?
International: https://www.victoria.ac.nz/international
PageSpeed Tools: 57/100 for mobile and 39/100 for desktop
Web Page Performance: A (first byte), A (keep-alive), C (compress transfer), B (Compress images), F (cache static content) and X (use of CDN)
Load time=4.89s, First byte=0.37s, Start render=2.47s, Speed index=3458 and Interactive (beta)=>7.51s
Leverage browser cache
- Many files without expiry set or set too low
Optimise images
- Compress and resize many images if time allows, saving 204 KB in total
Eliminate render blocking CSS above the fold
- Can we improve the dependancy on https://www.victoria.ac.nz/assets/css/style.css?v5.2 and https://www.victoria.ac.nz/…s/css/style-blessed1.css?z=1491871907176?
- See https://developers.google.com/speed/docs/insights/OptimizeCSSDelivery
Enable compression
Reduce transfer size by 133.5KiB (71% reduction) by compresing many files
Minify JavaScript and HTML
Reduce server response time
- Slow time to first byte in some test runs.
Use persistent connections
- Is keep alive appropriate for https://www.victoria.ac.nz/my.policy?
Study: http://www.victoria.ac.nz/study
PageSpeed Tools: 18/100 for mobile and 20/100 for desktop
Web Page Performance: A (first byte), A (keep-alive), A (compress transfer), F (Compress images), F (cache static content) and X (use of CDN)
Load time=9.0s, First byte=0.17s, Start render=1.08s, Speed index=3997 and Interactive (beta)=>11.51s
Optimise images
- Compress and resize many images if time allows, saving 3.2 MB in total
Eliminate render blocking CSS above the fold
- Can we improve the dependancy on https://www.victoria.ac.nz/assets/css/style.css?v5.2 and https://www.victoria.ac.nz/…s/css/style-blessed1.css?z=1491871907176?
- See https://developers.google.com/speed/docs/insights/OptimizeCSSDelivery
Leverage browser cache
- Many files without expiry set or set too low
Minify JavaScript and HTML
Reduce server response time
- Slow time to first byte in some test runs.
Our students: http://www.victoria.ac.nz/study/why-victoria/our-students
PageSpeed Tools: 0/100 for mobile and 0/100 for desktop
Web Page Performance: A (first byte), A (keep-alive), A (compress transfer), FB (Compress images), F (cache static content) and X (use of CDN)
Load time=85s, First byte=0.19s, Start render=1.48s, Speed index=4763 and Interactive (beta)=>3.08s
Optimise images
- Compress and resize many images if time allows, saving 35.7 MB in total
Leverage browser cache
- Many files without expiry set or set too low
Eliminate render blocking CSS above the fold
- Can we improve the dependancy on https://www.victoria.ac.nz/assets/css/style.css?v5.2?
- See https://developers.google.com/speed/docs/insights/OptimizeCSSDelivery
Minify JavaScript and HTML
Reduce server response time
- Slow time to first byte in some test runs.