Google Web Fonts file size comparison

	A	B	C	D	E	F	G	H	I
1	Fonts downloaded from https://google-webfonts-helper.herokuapp.com/fonts		Anna Yeaman / anna@stylecampaign.com		http://stylecampaign.com/blog/2015/02/webfont-support-in-email/
2	Google Fonts file size comparison for working out web font budgets (KB)	WOFF	TTF	EOT	SVG	WOFF 2	Google impact on page load time meter (in KB)	No. of available weights	Notes and further reading on web font performance

3	Top 20 Goggle Fonts at normal weight	Most important format for email	2nd most important format for email	Edge case	Edge case	Not really used in email handy for web
4	Open Sans	20	34	18	105	11	15	10	Karla smallest at 9 KB WOFF file, and Lora largest at 64 KB WOFF file
5	Roboto	19	32	16	48	11	12	12	Average weight of top 20 Goggle fonts in WOFF format is 27.95 KB
6	Roboto Condensed	18	32	16	47	11	11	6	9 10-20KB, 5 21-30 KB, 3 31-40 KB over 41 KB 3 / Most top 20 (45%) fall in 10-20K range
7	Lato	35	81	35	231	17	25	10	Web font support in email by format
8	Slabo 27px	20	40	18	51	10	13	1	No Italic weight, see this post 'Say No to Faux Bold'
9	Oswald	20	34	18	56	10	13	3	No italic or bold italic (light, normal and bold only)
10	Lora	64	138	60	427	34	28	4	The Performance and usability of Font Loading
11	PT Sans	56	100	49	96	17	55	4	WOFF2 is ~30% smaller than WOFF but not much use to email designers at this point.
12	Source Sans Pro	18	35	16	59	12	18	12	Only load styles and characters you need, see unicode range (not supported everywhere, need to use Google <link> or @import)
13	Open Sans Condensed	21	35	19	104	10	17	3	Missing some weights just light, light italic and bold
14	Droid Sans	25	39	22	71	12	25	2	Just normal and bold no italic or italic bold
15	Raleway	32	63	30	121	15	59	9	Watch your font weight
16	Ubuntu	40	72	34	101	18	28	8	See slide 11 about how font size is determined by complexity of the glyphs
17	Montserrat	14	22	11	44	10	14	2	Only normal and bold missing italic
18	Roboto Slab	22	36	19	56	11	12	4	Thin, light, normal and bold missing italic
19	Droid Serif	26	41	23	94	13	27	4	Making web fonts faster
20	Merriweather	17	31	14	85	13	11	8	Google font analytics
21	PT Sans Narrow	44	81	39	82	16	48	2	Normal and bold weights only missing italic. Quite a difference bettwen file size of regular vs. bold here. e.g woff regular is 44k vs. 65k for bold
22	Arimo	29	46	23	57	10	28	4	How to quickly test Google web font speeds
23	Noto Sans	19	29	17	54	10	21	4
24	Notable
25	Cabin	59	143	57	421	26	83	8
26	Playfair Display	30	57	27	93	18	26	6
27	Inconsolata (monospace)	38	62	35	62	10	27	2	Normal and bold missing styles
28	Muli	25	46	23	100	13	31	4	Light, light italic, normal and normal italic missing bold
29	Josefin Sans	28	60	27	117	17	21	10
30	Josefin Slab	46	103	41	66	13	51	10
31	Karla	9	14	7	33	7	4	4
32	Fira Sans	15	29	14	53	12	18	8
33	Ropa Sans	19	36	15	53	12	10	2	Normal and normal italic missing bold
34	EK Mukta	29	63	28	82	15	143	7	Missing italics
35	Syncopate	42	108	39	96	14	67	2	Normal and bold missing italics
36	Alegreya	48	102	41	109	20	15	6
37	Domine	28	63	26	68	15	26	2	Normal and bold
38	Cinzel	16	32	14	61	13	24	3	Normal, bold and ultra bold missing italic
39	Arimo	29	44	23	57	10	28	4
40	Arvo	25	37	22	71	11	26	4
41	Vollkorn	27	49	25	105	18	31	4
42	PT Serif	43	83	38	167	20	44	4