defaulter

default profile image generator using up to two initial characters from a text

read about why we built this or try it out live

parameters

text        -> /?text=di
size        -> /?size=500
color       -> /?hex=123456
seed        -> /?seed=deterministic
rounded     -> /?border=true

mix & match -> /?text=di&size=600&seed=123
            -> /?text=猴&size=1024&hex=ffffe0

running locally on mac

sudo port install cairo
npm start or node-dev bin/www

running locally on linux (Debian)

sudo apt-get install libcairo2-dev libjpeg8-dev libgif-dev
npm install
node bin/www

custom font

Replace fonts/font.woff with a different web font file

heroku deployment

enable the heroku multi buildpack
push to heroku

performance

Benchmarking defaulter.herokuapp.com (be patient).....done


Server Software:        Cowboy
Server Hostname:        defaulter.herokuapp.com
Server Port:            443
SSL/TLS Protocol:       TLSv1.2,ECDHE-RSA-AES128-GCM-SHA256,2048,128

Document Path:          /?text=FF
Document Length:        Variable

Concurrency Level:      2
Time taken for tests:   1.800 seconds
Complete requests:      100
Failed requests:        0
Total transferred:      122126 bytes
HTML transferred:       77326 bytes
Requests per second:    55.56 [#/sec] (mean)
Time per request:       35.997 [ms] (mean)
Time per request:       17.998 [ms] (mean, across all concurrent requests)
Transfer rate:          66.26 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        6    8   2.0      7      16
Processing:    11   28  13.3     25      70
Waiting:       11   27  13.0     24      69
Total:         18   36  13.8     33      86

Percentage of the requests served within a certain time (ms)
  50%     33
  66%     38
  75%     45
  80%     46
  90%     58
  95%     65
  98%     70
  99%     86
 100%     86 (longest request)

cloudflare

If you use cloudflare in front of defaulter and append .png in the url, the cdn will be able to cache the images.

https://defaulter.betterworks.com/?text=CF&size=100&hex=ffa500&cloudflare.png

a1Gupta/defaulter